Anatomy Database

Entries only - no images, no searches possible. Each muscle has the: actions [0 primary/1 assist], origin, insertion, note & palpations. Skip To: Pelvis, Leg & Foot | Shoulder, Arm & Hand

Head, Neck and Thorax

1
Pterygoid Lateral
Deviate_Lat_Opp Mandible 0, Elevate Mandible 0, Protract Mandible 0
Super.- Sphenoid bone - gtr. wing. Infer.- Sphenoid bone - Lat. surf. of Pterygoid plate
Mandible - Neck & Temporomandibular jnt. (articular disc & capsule)
Horiz. fbers btw. Sphenoid & TMJ. Accessible both in & out of mouth.
[Supine] Btw. mandible & its coronoid process. ** Protract mandible **(When working at TMJ, pressure must be EQUAL on both sides.)
2
Pterygoid Medial
pterygoid-medial.png
Deviate_Lat_Opp Mandible 0, Elevate Mandible 0, Protract Mandible 0
Deep: Sphenoid bone - Med. surf. & Pterygoid plate, Lat.Superf.: Maxilla - Tuberosity
Mandible - Med. surf. of Ramus & Angle
Assists Masseter & Temporalis in moving mandible.
[Lies inside the mouth.]
3
Occipitofrontalis
occipitofrontalis.png
Fr.: Raise Eyebrows 0, Wrinkle Forehead 0, Oc.: Anchor Galea poster. 0, Retract Galea poster. 0
Both: Galea Aponeurotica
Fr.: Skin above eyebrows, Oc.: Occiput - Super. Nuchal line
Four thin bellies [2 ea.] joined by a sheath of connective tissue.
[Supine]<brt /> Frontalis: **Raise eyebrows** From forehead to top of skull. Occipitis: About 1" above super. nuchal line.
4
Temporalis
temporalis.png
Elevate Mandible 0 Retract Mandible 0
Temporal bone - fossa & fascia [lines]
Mandible - Ramus [anter. edge] & Coronoid process [tip & med. surface]
Thick, passes under cheekbone.
[Supine]**CLENCH / relax jaw** Fingers on side of head then move about 1" above cheekbone follow to coronoid process **OPEN mouth**
5
Masseter
masseter.png
Elevate Mandible 0, Protract Mandible 1
Zygomatic arch [cheekbone]
Mandible - Angle & Ramus
Strongest muscle in body rel. to size & primary musc. of mastication.
[Supine]Btw. zyg. arch and angle **CLENCH / unclench jaw** Relax to grab btw. index & thumb. (2 bellies - deep one only access. inside the mouth.)
6
Scalene - Posterior
scalene-posterior.png
Flex_Lat_Same Head & Neck 0, Rotate_Opp Head & Neck [ribs fixed] 0, Elevate Ribs 1
TVPs C-6 > C-7 [poster. tubercles]
Ribs - [2]
Btw. Middle Scalene & Lev. Scapula.
[Supine]Btw. the other musc. bellies at lat. neck, sink deeper...**Sniff hard**
7
Scalene - Middle
scalene-middle.png
Rotate_Opp Head & Neck 0, Flex_Lat Head & Neck [ribs fixed] 0, Elevate Ribs 1
TVPs of C-2 > C-7 [poster. tubercles]
Ribs - [1]
Lat. to Anter. scalene. Brachial plexus & Subclavian artery pass through Scalenes.
[Supine]Move lat. from Anter. scalene **ROTATE head to OPP side**
8
Scalene - Anterior
scalene-anterior.png
Rotate_Opp Head & Neck 0, Flex_Lat_Opp Head & Neck [ribs fixed] 0, Elevate Ribs 1, Flex Head & Neck 0
TVPs C-3 > T-6 [anter. tubercles]
Ribs - [1]
Deep to SCM but access. at lat. edge.
[Supine]From SCM's lat. edge roll across until it tucks under the clavicle.**ROTATE head to OPP. side**Work prox. twd. cervical TVPs & **FLEX head** to contract.
9
Sternocleidomastoid
sternocleidomastoid.png
Flex_Lat Head & Neck 0, Rotate_Opp Head & Neck 0, Flex Neck 0, Elevate Ribs 1
Sternal: Manubrium - top & Clavicular: Clavicle - med. 1/3
Sternal: Temporal bone - Mastoid process, Clavicular: Occiput - Super. Nuchal line, lat. portion
2 bellies, merging behind the ear. Carotid artery is med. & deep to it; Ext. jugular vein is superf. to it.
[Supine] **ROTATE to opp. side & FLEX neck**Follow from mast. proc. to med. clavicle/top of sternum. "milk" / grip along its length.
10
Levator Scapula
levatorScapula.png
Elevate Scapula 0, Rotate_Down Scapula 0, Flex_Lat Head & Neck 0, Rotate_Same Head & Neck 0, Extend Head & Neck 0
TVPs of C-1 > C-4
Scapula - Med. border btw. Super. angle & Spine
More superf. at lat. edge but near the Brachial plexus. Deep to Trapz. [Also in SAH Group].
[Prone, Supine or Side-Lying]From super. angle of scapula medially to lat. side of neck. **ELEVATE / depress scapula / shrug shoulders**At neck, **ROTATE to OPP. side** to shorten/soften Trapezius fbers.
11
Trapezius
trapezius.png
Up.:
Extend Head & Neck 0, Flex_Lat Head & Neck 0, Rotate_Opp Head & Neck 0, Elevate Scapula 0, Rotate_Up Scapula 0
Midd.:
Adduct Scapula 0
Low.:
Depress Scapula 0, Rotate_Up Scapula 0
SPs - C7>T12, Ligamentum Nuchae, Occiput - Superior nuchal line & External Occipital protuberence
Clavicle - Lat. 1/3, Scapula - Acromion process & Spine
Large, triangular [also in SAH Group]
[Prone]Up: From occiput twd. lat. clavicle / top of should., poster. *EXTEND head/neck*Midd.: From scap. spine, med. & oblique. *ADDUCT scapula - should. off table* Low.: From last rib lat. & super. to spine of scapula. *EXTEND arms - superman*
12
Oblique Capitis Inferior
obliqueCapitisInferior.png
Rotate_Same Head 0
SP of C-2 / Axis
TVP of C-1 / Atlas
Suboccipital Group
[Supine] Bolst. @ knees[See R.C.P. MINOR]
13
Oblique Capitis Superior
obliqueCapitisSuperior.png
Rotate_Same Head 0
TVP of C-2 / Axis
Occiput - Btw. Nuchal lines
Suboccipital Group
[Supine] Bolst. @ knees[See R.C.P. MINOR]
14
Rectus Capitis Posterior Major
rectusCapitisPosteriorMajor.png
Rotate_Same Head 0, Rock / tilt Head into extension 0
SP of C-2 / Axis
Occiput - Infer. Nuchal line
Suboccipital Group
[Supine] Bolst. @ knees [See R.C.P. MINOR]
15
Rectus Capitis Posterior Minor
recutsCapitisPosteriorMinor.png
Rock / tilt Head into extension 0
C-1 / Atlas - Tubercle of poster. arch
Occiput - Infer. Nuchal line
Suboccipital Group - short, small fibers deep to: Trapezius, Splenis Cap. & Semispinalis Cap.
[Supine] Bolst. @ kneesCradle head in hands **passively extend the neck** to soften top tissues.Find Super. nuchal line & SP of C-2 & switch to one hand, using fingertips to slowly palpate deeply, rolling across.
16
Quadratus Lumborum
quadratusLumborum.png
Tilt Pelvis Laterally 0, Flex_Lat Vertebral Column 0, Fix last Rib during respiration 1, Extend Vertebral Column 1
Iliac Crest - Poster.
Ribs - [1] & TVPs of L-1 > L-4
Deep to Thoracolumbar Apon. & Erector Spinae Group in abdomen but lat. edge is accessible.
[Prone] Bolst. @ anklesThumbs btw. iliac crest and rib, poster. Slow, firm pressure to sink medially twd. vert. col.**laterally tilt pelvis / elevate hip** to contract.OPT. - [Side-lying]
17
Transverse Abdominis
transverseAbdominis.png
Compress Abdomen 0
Iliac Crest, Thoacolumbar Facia, Inguinal ligament, lat. & Ribs - [6-12] interal surf.
Abdominal aponeurosis to Linea alba
Abdominals Group - Deepest; helps w/ forced exhalation; inaccessible.
18
Internal Oblique
internalOblique.png
Flex_Lat Vertebral Column 0, Rotate_Same Vertebral Column 0, Flex Vertebral Column 0, Compress Abdomen 0
Iliac Crest & Inguinal ligament, lat.
Ribs - [9-12] & Abdominal aponeurosis to Linea alba
Abdominals Group - Deep and thin; perpendicular to Ext. Obliques.
19
External Oblique
externalOblique.png
Flex_Lat Vertebral Column 0, Rotate_Opp Vertebral Column 0, Compress Abdomen 0
Ribs - [5-12], External surfaces
Iliac Crest - Anter. & Abdominal aponeurosis to Linea Alba
Abdominals Group - Lat. to Rectus Abdominis w/ oblique fbers
[Supine] Bolst. @ kneesProx. - from ribs where join w/ Serratus Anterior. Dist. - Abdom. Apon. and laterally to iliac crest.Flex knees **Rotate trunk - L. shoulder twds. R. hip**
20
Rectus Abdominis
rectusAbdominis.png
Flex Vertebral Column 0, Tilt Pelvis anteriorly
Ischium - Pubic crest & symphysis
Ribs - [5-7] & Sternum - Xiphoid process
Abdominals Group - "Washboard" stomach formed by mult. bellies.
[Supine] Bolst. @ knees]Prox. - Xiph. proc. and lateral ribs. Dist. - Twd. pubic crest.Flex knees and **flex / relax trunk** (mini sit-ups).
21
Diaphragm
diaphragm.png
Pull down Central tendon 0, Increase volume of Thoracic cavity [inhalation] 0
Ribs - [6-12] Lower surfaces & Lumbar vert., upper 2-3 & Sternum - Xiphoid process, inner
<a href="imgs_hnt/central_tendon.png" title="view">Central Tendon</a>
Primary musc. of respiration ; separates upper & lower thoracic cavities.Contract / inhalation = vacuum in lung tissue. <a href="imgs_hnt/respiratoryDiaphragm.png" title="view action">Actions</a>
[Supine] Bolst. @ kneesLat. to Xiph. proc. at infer. rib cage **slow, deep breaths** w/ thumbs under edge of opp. ribs. Deeper on exhale.OPT. - [Side-lying] w/ fingertips curling under same side.
22
Intercostals Exterior & Interior
intercostals.png
Ext.: [inhalation], Draw Ribs superiorly 0, Increase Size of Thoracic cavity 0
Int.: [exhalation], Draw Ribs inferiorly 0, Decrease Size of Thoracic cavity 0
Inferior border of rib above
Superior border of rib below
"Spare ribs", small and thin; divided into int. [med.] & ext. [lat.] - parallel to each other.
[Supine] Bolst. @ kneesPull fingertips btw. ribs opp. **Slow, deep breaths**Isolate one w/ f-tip btw. 2 ribs.<br/ >OPT. - [Side-lying or Prone] Sensitive area & won't tell a difference btw. the two.
23
Serratus Posterior Inferior
serratus.png
Depress Ribs [exhalation] 0
SPs of T-12 > L-3
Ribs - [9-12], poster. surfaces
Deep to Thoracolumbar Aponeurosis - stabilizes ribs.
[Prone] Bolst. @ anklesRoll thumbs across oblique fibers infer. to ribs.
24
Serratus Posterior Superior
serratus.png
Elevate Ribs [inhalation] 0
SPs of C-7 > T-3
Ribs - [2-5], poster. surfaces
Pair of muscles deep to Scapula and parallel to Rhomboids.
[Prone] Bolst. @ anklesArm off side of table - pulling the Scapula lat.Locate upper part of med. border **inhale** and sink deep to Rhomboids.
25
Splenius Cervicis
spleniusCervicis.png
Rotate_Same Head & Neck 0, Flex_Lat Head & Neck 0, Extend Head & Neck 0
SPs of T-3 > T-6
TVPs of C-1 > C-3
Pair deep to Splen. Cap. but accessible in upper Lamina groove.
[Supine] Bolst. @ kneesCradle head and rotate 45 to opp. side. Find lamina groove of cervical and upper thoracic vert.**Passively extend the neck** to shorten.
26
Splenius Capitis
spleniusCapitis.png
Rotate_Same Head & Neck 0, Flex_Lat Head & Neck 0, Extend Head & Neck 0
Ligamentum nuchae - Infer. 1/2 & SPs of C-7 > T-4
Occiput - Mastoid process & Nuchal line, lat.
Oblique pair deep to Trapz. & Rhomboids but accessible near SCM.
[Supine] Bolst. @ kneeCradle head and rotate 45 degrees to opp. side. Find lamina groove of cervical and upper thoracic vert.**Passively extend neck** to shorten.
27
Interspinalis
interspinalis.png
Extend Vertebral Column 0
SPs of C-2 > T-3 [cervical] & SPs of T-12 > L-5 [lumbar]
SPs of C-2 > T-3 [cervical] & SPs of T-12 > L-5 [lumbar]
Short and deep: spanning vertically.
28
Intertransversarii
intertranverserii.png
Flex_Lat Vertebral Column 0, Extend Vertebral Column 0
TVPs of C-2 > C-7 [cervical] & TVPs of L-1 > L-5 [lumbar]
TVPs of C-2 > C-7 [cervical] & TVPs of L-1 > L-5 [lumbar]
Deepest in both regions - no access. Also span vertically.
29
Semispinalis Capitis
semispinalisCapitis.png
Extend Vertebral Column 0, Extend Neck 0
TVPs of C-4 > T-5
Occiput - Btw. super. and infer. Nuchal Lines
Transversospinalis Group - deep to Erector Spinae. "Speed Bumps" @ poster. neck.
[Prone] Bolst. @ anklesFrom upper Trapez., find lat. edge / triangle**extend head / relax** and follow to mastoid process.
30
Rotatores
rotatores.png
Rotate_Opp Vertebral Column 0, Extend Vertebral Column 0
TVPs of lumbar to cervical vertebrae
SPs of lumbar vertebrae up to C-2
Transversospinalis Group - deep to Erector Spinae. Shorter & smaller and deeper to Multifidi; ea. spans 1-2 vert.
[Prone] Bolst. @ ankles[See Multifidi]
33
Multifidi
multifidi.png
Rotate_Opp Vertebral Column 0, Extend Vertebral Column 0
Sacrum & TVPs of lumbar to cervical vertebrae
SPs of lumbar vert. up to C-2
Transversospinalis Group - deep to Erector Spinae. Thick, short fibers; ea. spans 2-4 vertebrae.
[Prone] Bolst. @ anklesMove lat. from spine and move Erector Spinae out of the way to sense dense, oblique fibers.
34
Iliocostalis [Cervicis, Thoracis, Lumborum]
iliocostalis.png
Flex_Lat Vertebral Column 0, Extend Vertebral Column 0
Common tendon - Lumbar & Ribs - [1-12], poster. surfaces
TVPs of L-1 > L-3 & Ribs - [1-12], poster. surfaces & TVPs of lower cervicals
Erector Spinae Group - Most lat. w/ tendons deep to Scapulae.
[Prone] Bolst. @ ankles[See Spinalis]
35
Longissimus [Capitis, Cervicis, Thoracis]
longissimus.png
Flex_Lat Vertebral Column 0, Extend Vertebral Column 0
Common tendon - Thoracic & TVPs of T-1>T-5
Ribs - [3-12] & TVPs of thoracic > cervical vertebrae & Temporal bone - Mastoid process
Erector Spinae Group - Thickest
[Prone] Bolst. @ ankles[See Spinalis]
36
Spinalis [Cervicis & Thoracis]
spinalis.png
Flex_Lat Vertebral Column 0, Extend Vertebral Column 0
SPs of upper lumbar > cervical vertebrae & Ligamentum nuchae
SPs of upper thoracic > cervical vertebrae [not C-1/Axis]
Erector Spinae Group - Smallest, closest to spine in Lamina groove.
[Prone] Bolst. @ anklesHands on either side of spine btw. thor. and lumb. regions**raise / lower feet* to contract the group.Prox. - Ropy fibers btw. Scapulae & up to back of neck, lat. to lam. groove. Dist. - Thor. region.**extend spine & neck** and down to sacrum.
37
Digastric
digastric.png
Elevate Hyoid bone [mandible fixed]
Temporal bone - Mastoid process
Mandible - Infer. border
Suprahyoids Group
[Supine]From M. Proc. > Hyoid > Chin **Lower Jaw w/ resist.**
38
Platysma
platysma.png
Tighten Neck Fascia 0, Pull Down Mouth corners 0
Pectoralis Major - Overlying fascia
Mandible - Base & Face - Lower skin
[Supine]**Tighten neck / Protract jaw**
39
Stylohyoid
stylohyoid.png
Retract Hyoid bone 0, Elevate Hyoid bone 0
Temporal bone - Styloid process
Hyoid bone - body
Suprahyoid Group - Moves larynx; assists in swallowing.
40
Sternohyoid
sternohyoid.png
Depress Hyoid bone 0, Depress Larynx 0
Sternum - Manubrium & Clavicle
Hyoid bone - body
Infrahyoid Group [Learn more: <a href="imgs_hnt/mouthFloor.png" title="view mouth floor">Mouth Floor</a>]

^

Pelvis, Leg and Foot

1
Piriformis
piriformis.png
Rotate_Lat Hip 0, Abduct Hip [flexed]
Sacrum - Poster. lat. surf.
Femur - Gtr. trochanter
Lateral Rotator Group - Only one w/ a 2nd action. Close to Sciatic Nerve.
[Prone] Bolst. at ankles Prox. - Base of 'T' @ Coccyx, PSIS and Gtr. Troch. Dist. - Follow lat. to femur.Bend knee/FLEX **LAT. ROT. HIP w/ resist.**
2
Quadratus Femoris
quadratusFemoris.png
Rotate_Lat Hip 0
Ischium - Ischial tuberosity, lat. side
Femur - Gtr. trochanter
Lateral Rotator Group - need to press firmly to feel beneath Glut. Max.
[Prone] Bolst. at ankles. Prox. - Poster. thigh above gluteal fold. Dist. - Move super. twd. gtr. troch. **LAT. ROT. HIP w/ resist.** Alt. with MED. ROT. to relax. OPT. - [Side-lying] **ABDUCT HIP w/ resist.**
3
Obturator Internus
obturatorInternus.png
Rotate_Lat Hip 0
Ischium - Obturator foramen, inter. & Obt. membrane
Femur - Gtr. trochanter, med. surf.
Lateral Rotator Group - All ~6" deep to Glut. Max. and insert at the gtr. trochanter.
4
Obturator Externus
obturatorExternus.png
Rotate_Lat Hip 0, Abduct Hip [flexed] 0
Ischium - Obturator foramen & Membrane, Inter.
Femur - Gtr. trochanter, med. surf.
Lateral Rotator Group
5
Gemellus Superior
gemellusSuperior.png
Rotate_Lat Hip 0
Ischium - Ischial tuberosity and Spine (bump near ctr. of obt. foramen)
Femur - Gtr. trochanter, med. surf., center
Lateral Rotator Group
6
Gemellus Inferior
gemellusInferior.png
Rotate_Lat Hip
Ischium - Ischial tuberosity
Femur - Gtr. trochanter, med. surf., center
Lateral Rotator Group
7
Semimembranosus
semimembranosus.png
Flex Knee 0, Rotate_Med Knee [flexed] 0, Extend Hip 0, Rotate_Med Hip 0, Tilt Pelvis Posteriorly
Ischium - Ischial tuberosity
Tibia - Medial condyle, poster.
Hamstring Group - Deep to all others
[Prone; bolst. at ankles] Prox. - Upper thigh, below gluteal fold. Dist. - Poster. knee, medial side.**EXTEND HIP w/ resist. or FLEX KNEE w/ resist.**
8
Semitendinosus
semitendinosus.png
Flex Knee 0, Rotate_Med Knee [flexed] 0, Extend Hip 0, Rotate_Med Hip 0, Tilt Pelvis Posteriorly 0
Ischium - Ischial tuberosity
Tibia - Medial, prox. via Pes Anserinus tendon
Hamstring Group - superficial to Semimemb.
[Prone; bolst. at ankles] Prox. - Inner thigh above gluteal fold. Dist. - Medial knee below patella, tendonous.<br / >**EXTEND HIP or MED. ROT. HIP w/ resist. or FLEX KNEE**OPT. - [Supine] to palpate around poster. knee.
9
Biceps Femoris
bicepsFemoris.png
Flex Knee 0, Rotate_Lat Knee [flexed] 0, Extend Hip 0, Rotate_Lat Hip 0, Tilt Pelvis Posteriorly
Long: Ischium - Ischial tuberosity & Short: Femur - Linea aspera, lat. lip
Fibula - head
Hamstring Group - Most superf. and lat. Medial to Vast. Lateralis.
[Prone; bolst. at ankles] Prox. - Poster. thigh above gluteal fold to access more superficial long head. Dist. - Move twds. tendon at head of fibula. **EXTEND or LAT. ROT. HIP**OPT. - [Side-lying; bolst. top knee] **FLEX KNEE w/ resist. at ankle**
10
Tensor Fasciae Latae
tensorFasciaeLatae.png
Flex Hip 0, Rotate_Med Hip 0, Abduct Hip 0
Ilium - Iliac crest, poster. to ASIS
IT Tract
Btw. Rec. Femoris and Glut. Med. - "hip pocket"
[Supine; bolst. at knees] Prox. - Just infer. and poster. to ASIS / iliac crest. Dist. - Blends into iliotibial tract.**MED. ROT. hip w/ resist.** OPT. - [Side-lying] **ABDUCT or FLEX HIP**
11
Sartorius
sartorius.png
Flex Hip 0, Rotate_Lat Hip 0, Abduct Hip 0, Flex Knee 0, Rotate_Med Knee [flexed] 0
Ilium - ASIS (Anterior Super. Iliac Spine)
Tibia - Prox., med. via Pes Anserinus tendon
Longest muscle in the body, slender. Medial to Rec. Fem. and Vast. Med. 'Sartor' = tailor in Latin.
[Supine] Bolst. at knees & Fig. 4 posit. to Flex/Lat. Rot. HIP.Prox. - Just infer. to ASIS. (If twd. pubic tubercle = Gracilis - lies anterior to it.) Dist. - Medial thigh to med. tibia/knee.**FLEX HIP w/ resist. - raise knee**
12
Psoas Minor
psoasMinor.png
Flex Hip 0, Flex Vertebral Column 0, Tilt Pelvis Anteriorly 0, Tilt Pelvis Posteriorly 0
Lumbar Vertabrae - Bodies and TPs [T12 & L1]
Pubis - Superior Ramus
Iliopsoas Group - Only 40% of people have this; crucial for the "horizontal mambo"!
14
Psoas Major
psoasMajor.png
Flex Hip 0, Flex Torso 0, Rotate_Lat Hip 0, Tilt Pelvis Anteriorly
Lumbar Vertabrae - bodies TVPs
Femur - Linea aspera, med. lip & Adductor tubercle
Iliopsoas Group - Deep to abdominals, deep to inguinal ligament.
[Supine] Bolst. at knees Prox. - Betw. ASIS and navel. Dist. - Press deeper on exhale, circular motions.RAISE knee to FLEX. / LAT. ROT. **FLEX HIP** / sit-up. (Watch abdominal aeorta that lies medially & remove hands slowly.)
15
Iliacus
iliacus.png
Flex Hip 0, Flex Vertebral Column 0, Rotate_Lat Hip 0, Tilt Pelvis Anteriorly
Ilium - Iliac fossa
Femur - Lsr. trochanter
Iliopsoas Group - Deep to abdominals
[Supine or side-lying: shifts abdominals to side] rox. - Curl around Iliac fossa with fingertips. Dist. - Press deeper on exhale.**FLEX HIP** / a sit-up. (May need to warm the tissue first & remove hands slowly.)
16
Rectus Femoris
rectusFemoris.png
Extend Knee 0, Flex Hip 0
Ilium - AIIS (Anterior Inferior Iliac Spine)
Tibia - Tibial tuberosity infer. to patella
Quadriceps Group - 2-3 fingers wide, crosses hip and knee jnts.
[Supine] Bolst. at kneesProx. - AIIS. Dist. - Just inf. to patella.**FLEX HIP / lift foot w/ resist.**OPT. - **EXTEND KNEE w/ resist.**
17
Vastus Medialis
vastusMedialis.png
Extend Knee 0
Femur - Linea aspera, med. lip
Fibula - Head
Quadriceps Group - Med. to Rec. Femoris, lat. to Sartorius.
[Supine] Bolst. at kneesProx. - Too deep... Dist. - Medial bulge superior to patella.**EXTEND KNEE w/ resist.**
18
Vastus Lateralis
vastusLateralis.png
Extend Knee 0
Femur - Linea aspera, lat. lip; Gluteal tuberosity and Gtr. trochanter
Tibia - Tuberosity via patellar ligament
Quadriceps Group - Only lat. musc., deep to IT tract and poster. to Biceps Femoris.
[Side-lying] Bolst. top kneeProx. - Lateral thigh at gtr. troch. Dist. - Move distally twd. patella. (Check for difference betw. it and super. IT fibers.)**EXTEND KNEE w/ resist.** alt. w/ relax/flex.
19
Vastus Intermedius
vastusIntermedius.png
Extend Knee 0
Femur - Shaft, anter., lat.
Tibia - Tibial tuberosity via patellar ligament
Quadriceps Group - Deepest
[Supine] Bolst. at kneesProx. - Shift Rec. Femoris aside to palpate lat. edge. Dist. - Just infer. to patella.**FLEX HIP w/ resist** - lift foot.OPT. - [Seated] **EXTEND KNEE w/ resist. below knee** alternate w/ flex/relax. to feel group w/ hands on anterior thigh.
20
Gluteus Maximus
gluteusMaximus.png
Extend Hip 0, Rotate_Lat Hip 0, Abduct Hip [upper] 0, Adduct Hip [lower] 0
Coccyx & Sacrum - poster., lat. edge & Ilium - Iliac crest, poster.
IT Tract [upper] & Femur - Gluteal tuberosity (btw. Gtr. and Lsr. trochanters)
Gluteals Group - Most supericial
[Prone] Bolst. at anklesProx. - Thumb and index of hand curled around edge of sacrum. Dist. - Palpate lat. and distally twds. lat. femur.**EXTEND HIP w/ resist** - raise leg.
21
Gracilis
gracilis.png
Adduct Hip 0, Rotate_Med Hip 0, Flex Knee 0, Rotate_Med Knee [flexed] 0
Pubis - Infer. Ramus
Tibia - Shaft, prox., med. via Pes Anserinus tendon
Adductor Group - Only one that crosses the knee
[Supine] Bolst. at kneesProx. - Tendon inferior to pubic tuber. / medial thigh. Dist. - From thigh just distal to knee, tendinous.TOP LEG FLEXED / Lat. Rot. **ADDUCT HIP or MED. ROT. HIP w/ resist.**
22
Adductor Magnus
adductorMagnus.png
Adduct Hip 0, Rotate_Med Hip 0, Flex Hip [anter.] 0, Extend Hip [poster.] 0
Pubis - Infer. Ramus & Ischium - Ramus and Ischial tuberosity
Femur - Linea aspera, med. lip & Adductor tubercle
Adductor Group - Deepest, med. and deep to hamstrings
[Supine] Bolst. at kneesProx. - Tendon inferior to tubercle. Dist. - Thins at medial femur.**ADDUCT or MED. ROT. HIP w/ resist.**OPT. - [Side-lying] Bolst. top kneeProx. - Lower leg, at tendon below ischial tuberosity.**FLEX HIP / lift top LEG**
23
Adductor Longus
adductorLongus.png
Adduct Hip 0, Rotate_Med Hip 0, Flex Hip 0
Pubis - Pubic tubercle
Femur - Linea aspera, med. lip
Adductor Group
[Supine] Bolst. at kneesTOP LEG raised/FLEXED and LAT. ROT. Prox. - Tendon infer. to pubic tubercle. Dist. - Angle twd. medial thigh. If angles twd. knee = Gracilis.**ADDUCT or MED. ROT. HIP w/ resist.**
24
Pectineus
pectineus.png
Adduct Hip 0, Rotate_Med Hip 0, Flex Hip 0
Pubis - Super. Ramus
Femur - Pectineal line
Adductor Group - Most lateral / top corner. Femoral artery/nerve/vein is superficial to this musc.
[Supine] Bolst. at kneesTop leg raised, FLEXED and LAT. ROT. Prox. - Tendon infer. to pubic tubercle. Dist. - Move laterally twd. femur.**ADDUCT or MED. ROT. HIP w/ resist**
25
Adductor Brevis
adductorBrevis.png
Adduct Hip 0
Pubis - Infer. Ramus (body of)
Femur - Linea aspera, med. lip & Pectineal line
Adductor Group - Deep to Longus and Pectineus
[Supine] Bolst. at kneesTOP LEG FLEXED and LAT. ROT.Prox. - Prominent tendon near pubic tubercle. Dist. - Upper thigh.**ADduct hip w/ resist.**
26
Gluteus Medius
gluteusMedius.png
Abduct Hip 0, Rotate_Med Hip 0, Rotate_Lat Hip 0, Flex Hip 0, Extend Hip 0
Ilium - Infer. to iliac crest, poster.
Femur - Gtr. trochanter
Gluteal Group - Distal end deep to Glut. Max.
[Side-lying] Bolst. top kneeProx. - Iliac crest from PSIS nearly to ASIS. Dist. - Twds. lat. femur.**ABduct hip / raise top leg** **MED. ROT. = shorten; LAT. ROT. = lengthen**
27
Gluteus Minimus
gluteusMinimus.png
Abduct Hip 0, Flex Hip 0, Rotate_Med Hip 0
Ilium
Femur - Gtr. trochanter, anter. side
Gluteal Group - Deep to Med + Max. Inferior to TFL
[Side-lying] Bolst. top kneeProx. - Poster. buttocks. Dist. - Twd. gtr. troch.**MED. ROT. hip / RAISE TOP LEG** Alternate w/ LAT. ROT. to relax/lengthen.
28
Flexor Hallucis Longus
flexorHallucisLongus.png
Flex Toe [1] 0, Invert Foot 0, Plantar Flex Ankle 1
Fibula - Shaft, middle 1/2, poster.
Phalanges [1] - Dist. phalanx [Plantar]
Flexor Group - Belly is at lateral, lower calf - poster.
[Any] Prox. - Center of Fibula, poster but access. at lat. 'v' betw. tibia/sol/calc. tend.**INVERT FOOT** Dist. - Twds. ankle at med. mall. and flexor retinacula then tendinous under the foot to hallucis. **FLEX HALLUCIS w/ resist.**
29
Flexor Digitorium Longus
flexorDigitoriumLongus.png
Flex Toes [2-5] 0, Invert Foot 0, Plantar Flex Ankle 1
Tibia - Shaft, poster., middle
Phalanges - [2-5], dist. [Plantar]
Flexor Group - Deep to Soleus, med. side
[Any] Prox. - Center shaft of poster. tibia but more access. at 'v' on med. side: tibial/sol/calc. tend. Dist. - Tendon goes under heel @ med. mall. & flexor retinacula before spreading-out under the toes and branching into 4.**PLANTAR FLEX ANKLE w/ resist.**
30
Tibialis Posterior
tibialisPosterior.png
Invert Foot 0, Plantar Flex Ankle 0
Tibia - Shaft & Fibula - Shaft, both prox. and poster.
Metatarsals [2-4] & Tarsals - Bases [Plantar]
Flexor Group - Most anterior but deep btw. Tibia and Fibula
[Any] **PLANTAR FLEXION - tiptoes** Prox. - Tendonous at poster. knee.**INVERSION of FOOT - Big toe up** Dist. - Tendons wrap under the medial malleolus and toes.
31
Extensor Hallucis Longus
extensorHallucisLongus.png
Extend Toe [1] 0, Dorsiflex Ankle 0, Invert Foot 0
Fibula - Shaft, middle, anter. & Interossous membrane
Phalanges [1] - Dist. Phalanx [Dorsal]
Extensor Group - Slender belly, tendinous.
[Supine] Bolst. at kneesProx. - Deep @ lateral, middle of fibula. **EXTEND 1st TOE** Dist. - Tendon wraps medially twds. Hallucis - crosses calc. on dorsal side under extensor retinacula.**DORSIFLEX ANKLE**
32
Tibialis Anterior
tibialisAnterior.png
Invert Foot 0, Dorsiflex Ankle 0
Tibia - Lat. condyle, prox., lateral & Interossous membrane
1st Metatarsal - Bas &; Tarsal - Intermediate Cuneiform
Extensor Group
[Supine] Bolst. at kneesProx. - Lateral, anterior tibia. **INVERSION foot - big toe is up ** Dist. - Tendon wraps around medial side, center of foot under extensor retinacula.**DORSIFLEX ankle**
33
Extensor Digitorium Longus
extensorDigitoriumLongus.png
Extend Toes [2-5] 0, Dorsiflex Ankle 0, Evert Foot 0
Tibia - Lat. Condyle, prox., lat. & Fibula - Shaft, prox., anter.
Phalanges [2-5] - Middle and dist. phalanxes
Extensor Group - Runs down the shaft of the fibula.
[Supine] Bolst. at kneesProx. - At lateral condyle, deep to Tib. Anter. **DORSIFLEX ANKLE**Dist. - Tendons on dorsal foot pass under extensor retinacula before branching into 4. **EXTEND TOES w/ resist.**
34
Peroneus Brevis
peroneusBrevis.png
Evert Foot 0, Plantar Flex Ankle 1
Fibula - Shaft, lat., dist. 2/3
Metatarsals [5] - Tuberosity
Deep to Peroneus Longus, tendinous.
[Side-lying] Bolst. top kneeProx. - Middle of lateral calf, Ext. dig. long. (anter.) and Gastroc. (poster.) surrounding it. Dist. - Tendon wraps around the lat. malleolus before insertion point: bump on lat. foot. **EVERSION and Relaxation of foot**
35
Peroneus Longus
peroneusLongus.png
Evert Foot 0, Plantar Flex Ankle 1
Fibula -Head & Shaft, lat., prox. 2/3
Metatarsals [1] - Base & Tarsals - Interm. Cuneiform [Plantar]
Blends-in w/ more distal Peroneus Brevis.
[Side-lying] Bolst. top kneeProx. - One hand on head of fibula, lat. Dist. - Other hand on lat. malleolus. Crosses under lat. foot in center, poster. to lat. mall.**EVERSION and Relaxation of Foot**
36
Gastrocnemius
gastrocnemius.png
Flex Knee 0, Plantar Flex Ankle 0
Femur - Condyles, poster.
Calcaneus via Calcaneal tendon
Heart-shaped, split bellies & med. side is longer. Crosses 2 joints.
**Stand on tiptoes / PLANTAR FLEX**Prox. - Poster. knee orig. btw. hamstring tendons. Dist. - Large bellies make-up the calf.
37
Soleus
soleus.png
Plantar Flex Ankle 0
Tibia - Soleal line, prox., poster. & Fibula - Head, poster.
Calcaneous via Calcaneal tendon
Deep to Gastrocnemius.
[Prone] Bolst. at anklesProx. - Lat., poster. knee. Dist. - Can feel the bellies on either side of Gastrocnemius before disappears into the large tendon. **Flex Knee and PLANTAR FLEX ANKLE w/ resist.**
38
Plantaris
plantaris.png
Plantar Flex Ankle 1, Flex Knee 1
Femur - Supracondylar line, lat.
Calcaneus - via Calcaneal tendon
Longest tend. in the body w/ a very small, oblique belly; more important for reptiles.
[Prone] Bolst. at anklesProx. - Belly at poster. lat. condyle. Dist. - Move obliquely & medially twds. the tibia betw. heads of Gastrocnemius.**FLEX KNEE w/ resist.** [In popliteal space poster. knee.]
39
Popliteus
popliteus.png
Rotate_Med Knee [flexed] 0, Flex Knee 1
Femur - Lat. Condyle
Tibia - Shaft, poster., prox.
Deep in popliteal endangerment site; unlocks a hyperextnd. knee.
[Prone] Bolst. at anklesProx. - Just distal to Lat. condyle of Femur. Dist. - Move obliquely twds. tibia (medial) - below pes anser. attchmt. site.**FLEX KNEE w/ Resist.**

^

Shoulder, Arm and Hand

1
Coracobrachialis
coracobrachialis.png
Flex Shoulder 0, Adduct Shoulder 0
Scapula - Coracoid Process
Humerus - Shaft (Med., Midd.)
Deep to Biceps Brachii.
[Supine] shake hands Prox. - Edge of Pect. Maj. Dist. - From axilla to med. humerus. * ADD. w/ resist. / elbow to body*
2
Pectoralis Minor
pectoralisMinor.png
Depress Scapula 0, Abduct Scapula 0, Rotate_Down Scapula 0, Elevate Thorax 1
Ribs - 3-5
Scapula - Coracoid process (Med. surf.)
Deep to Pectoralis Major, oblique with 3 strips.
[Side-lying] Flex arm / pull anter. to access lat. edge. Prox. - Deep to Pect. Maj. at Coracoid proc. Dist. - Deep to Pect. Maj. at ribs 3>5.*DEPRESS scapula - should. twd. hip*
3
Biceps Brachii
bicepsBrachii.png
Flex Elbow 0, Flex Shoulder 0, Supinate Forearm 0
Short: Scapula - Coracoid process Long: Scapula - Supraglenoid tubercle
Radius - Radial tuberosity, Bicipital aponeurosis
2-headed; long passes through Intertubecular groove of humerus.
[Seated] Shake hands... Prox. - Under Deltoids, 2 tendons. Dist. - Medial elbow, lg. tendon. *FLEX ELBOW w/ resist* or *SUPIN. f- arm*
4
Triceps Brachii
tricepsBrachii.png
Extend Elbow 0, Long:
Extend Shoulder 0, Adduct Shoulder 0
Long: Scapula - Infraglendoid tubercle Lat.: Humerus - Shaft (Prox., poster.) Med.: Humerus - Shaft (Dist., poster.)
Ulna - Olecranon process
3 heads - Med. head deepest and between other 2.
[Prone] Arm off table side. Prox. - Edge of poster. Deltoid. Dist. - Elbow. *EXTEND ELBOW w/ resist - 'lock' arm. Long head: more medial, over Teres Maj. / under Teres Min.
5
Supraspinatus
supraspinatus.png
Abduct Shoulder 0, Stabilize Humerus in Glenoid cavity 1
Scapula - Supraspinous fossa
Humerus - Greater tubercle
Rotator Cuff group - only one that does not rotate!
[Prone] Face their head.Prox. - Sup. to spine of scapula. Dist. - Lat. under acromion.*ABDUCT should. w/ resist* Makes super. Trapz. "inactive"...
6
Infraspinatus
infraspinatus.png
Rotate_Lat Shoulder 0, Stabilize Humerus in Glenoid cavity 1
Scapula - Infraspinous fossa
Humerus - Greater tubercle
Rotator Cuff group
[Prone] Face head, arm off table side. Prox. - Med. border infer. to scap. spine. Dist. - Lat. triangle to humerus. *LAT.ROT. sh. - raise elbow w/ resist.*
7
Teres Minor
teresMinor.png
Rotate_Lat Shoulder 0, Adduct Shoulder 0, Stabilize Humerus in Glenoid cavity 1
Scapula - Lat. border, upper 2/3
Humerus - Greater tubercle
Rotator Cuff group; antagonist to T. Major which med. rotates shoulder.
[Prone] Face head, arm off table side. Prox. - Lat. border of scap. Dist. - Off scap. edge to axilla/humerus. *LAT. ROT. shoulder - raise hand*
8
Subscapularis
subscapularis.png
Rotate_Med Shoulder 0, Stabilize Humerus in Glenoid cavity 1
Scapula - Subscapular fossa
Humerus - Lesser tubercle
Rotator Cuff group - only one on anterior.
[Supine] Cradle flexed arm. Prox. - Rib 7, infer. to nipple. Dist. - Via axilla to humerus. *MED. ROT. - press elbow into table* Grasp scapula / thumb into axilla.
9
Teres Major
teresMajor.png
Extend Shoulder 0, Adduct Shoulder 0, Rotate_Med Shoulder 0
Scapula - Lat. border (low. 1/3), Infer. angle
Humerus - Lsr. tubercle (crest)
Antag. to T. Minor w/ Lat. Rot.
[Prone] Arm off table side. Prox. - Lat./infer. border of scap. Dist. - Humerus, anter. *MED. ROT. w/ resist* Press forearm down. Grasp btw. lat. border & humerus at axilla.
10
Latissimus Dorsi
latissimusDorsi.png
Extend Shoulder 0, Adduct Shoulder 0, Rotate_Med Shoulder 0
SPs - T6>T12, Ribs - 9>12, Iliac Crest - poster., Thoracolumbar Aponeurosis, Scapula - Infer. angle
Humerus - Intertubecluar groove
Widest muscle in body.
[Prone] Arm off table side. Midd. finger at infer./lat. border of scap., curl thumb into lat. ribs. Dist - Poster. shoulder.*MED. ROT. shoulder w/ resist. - f-arm down*
11
Rhomboid Major
rhomboidMajor.png
Adduct Scapula 0, Elevate Scapula 0, Rotate_Down Scapula 0
SPs - T2>T5
Scapula - Med. border (btw. Spine & Infer. angle)
Deep to Trapezius, oblique fibers.
[Prone] Arm behind back - Gp.Prox. - SPs at base of neck to rib 5. Dist. - Med. border of scap.*ELEVATE scapula - raise elbow*
12
Rhomboid Minor
rhomboidMinor.png
Adduct Scapula 0, Elevate Scapula 0, Rotate_Down Scapula 0
SPs - C7>T1
Scapula - Med. border (upper, across from Spine)
Deep to Trapezius, oblique - superior to R. Major.
[Prone] Arm behind back.Prox. - SPs at base of neck. Dist. - Med. border of scap. *ELEVATE scapula - raise elbow*
13
Deltoids
deltoid.png
Abduct Shoulder 0, Ant.:
Flex Shoulder 0, Rotate_Med Shoulder 0, Adduct_Hz Shoulder 0
Post.:
Rotate_Lat Shoulder 0, Abduct_Hz Shoulder 0
Clavicle - Lat. 1/3, Scapula - Spine & Acromion
Humerus - Deltoid tuberosity
3 heads: Middle supports oth. actions.
[Seated] Prox. - 'V' at top of should. Dist. - Lat. humerus. *ABBDUCT shoulder* *MED. / LAT. ROT. to contract anter./poster. fibers.
14
Serratus Anterior
serratusAnterior.png
Abduct Scapula 0, Depress Scapula 0, Rotate_Up Scapula 0, Elevate Thorax dur. forced inhal. 1, Hold Med. border of Scapula to Ribs 1
Ribs - 1>9 (anter. surf.)
Scapula - Med. border (anter. surf.)
Btw. Latissimus Dorsi & Pectoralis Major
[Supine] Face at opp. side of table. Prox. - Ribs 1>9. Dist. - Med. scapula.*UP. ROT. scapula / punch w/ resist* Grasp ribs near Lats. Dorsi edge.
15
Pectoralis Major
pectoralisMajor.png
Adduct Shoulder 0, Rotate_Med Shoulder 0, Up.:
Flex Shoulder 0, Adduct_Hz Shoulder 0
Low.:
Extend Shoulder 0
Clavicle - Med. 1/2, Sternum - Med. 1/2, Ribs - 1>6 (cartilage)
Humerus - Gtr. tubercle (crest)
3 heads, crossing super. to Axilla
[Side-lying] Flex arm & pull fwd. at elbow. Prox. - Upper ribs. Dist. - Humerus. *HZ. ADD. should.* OPT. {Supine] *FLEX/raise & EXTEND/lower* for Up. vs. Low. fibers
16
Trapezius
trapezius.png
Up.: Extend Head & Neck 0, Flex_Lat Head & Neck 0, Rotate_Opp Head & Neck 0, Elevate Scapula 0, Rotate_Up Scapula 0
Midd.:
Adduct Scapula 0
Low.:
Depress Scapula 0, Rotate_Up Scapula 0
SPs - C7>T12, Ligamentum Nuchae, Occiput - Superior nuchal line & External Occipital protuberence
Clavicle - Lat. 1/3, Scapula - Acromion process & spine
Large, triangular. Antagonist to self up/low fibers - Protagonist in rotating Scap. up.
[Prone] Up: From occiput twd. lat. clavicle / top of should., poster. *EXTEND head/neck* Midd.: From scap. spine, med. & oblique. *ADDUCT scapula - should. off table* Low.: From last rib lat. & super. to spine of scapula. *EXTEND arms - superman*
17
Levator Scapula
levatorScapula.png
Elevate Scapula 0, Rotate_Down Scapula 0, Flex_Lat Head & Neck 0, Rotate_Same Head & Neck 0, Extend Head & Neck 0
TVPs - C1>C4
Scapula - Med. border (btw. Super. angle & Spine)
[Prone] Prox. - From super. angle of scap. Dist. - Medially and super. to lat. neck. *ELEVATE scapula - shrug* (To ck. if Trapz., rot. opp. side.)
18
Brachioradialis
brachioradialis.png
Flex Elbow 0, Pronate Forearm 1, Supinate Forearm 1
Humerus - Prox. 2/3 of Lat. Supracondylar ridge
Radius - Styloid process
Dividing line btw. Flexors & Extensors. Does not cross the wrist.
Seated] Flex arm, shake hands. Prox. - Lat. to ropy tendon on lateral f-arm. Dist. - Styloid process distal to thumb.**FLEX elbow w/ resist** Thumb up, push into your hand: Stop them from chugging!
19
Brachialis
brachialis.png
Flex Elbow 1
Humerus - Distal 1/2, anter. surf.
Ulna - Tuberosity & Coronoid process
Deep to Biceps Brachii - lateral edge btw. it & Triceps is accessible.
[Seated] Flex arm, shake hands. Prox. - Below Deltoid tuberos. Dist. - Either side of Biceps tendon @ inner elbow.**FLEX elbow w/ resist** & RELAX to differentiate btw. it & Biceps.
20
Supinator
supinator.png
Supinate Forearm 1
Humerus - Lat. Epicondyle
Radius - Prox. shaft
Branch of Radial nerve runs through it - can have a sharp sensation if compressed.
[Seated] Flex arm, shake hands. Prox. - Btw. Humerus & Radius at lat. elbow. Dist. - Prox. 1/3 of f-arm; deep to Extensors.**SUPINATE f-arm w/ resist** [Thumb turns Lat.]
21
Pronator Teres
pronatorTeres.png
Pronate Forearm 0, Flex Elbow 1
Humerus - Med. Epicondyle & Ulna - Coronoid process
Radius - Lat. surface, middle
Btw. Brachioradialis & Flexors on med./anter. f-arm. Only muscle in area w/ oblique fibers.
[Seated] Flex arm, shake hands. Prox. - Inner elbow twd. med. condyle of humerus. Dist. - Tendon of Biceps at inner elbow.**PRONATE f-arm w/ resist** [Thumb turns Med.]
22
Pronator Quadratus
pronatorQuadratus.png
Pronate Forearm 0
Ulna - Anter. surf., medial & distal
Radius - Anter. surf., medial & distal
Accessible only on lat. side - deep to Flexor tendons & blood vessels.
Seated] Flex arm, shake hands. Find pulse in radial artery @ lateral, anterior wrist then slide twds. styloid proc. of radius - lies in tissue btw. this & tendons. **PRONATE flexed wrist**
23
Flexor Carpi Radialis
flexorCarpiRadialis.png
Flex Wrist 0, Abduct Wrist 0, Flex Elbow 1
Humerus - Med. Epicondyle
Metacarpals [2-3] - bases
5 Flexors: Anter., medial f-arm w/ origins at Med. Epicondyle of Humerus @ Common Flexor tend. "Fleshy/hairless"
[Seated] Flex arm, shake hands. **SUPINATE forearm** Dist. - 2 superf. tendons at wrist: Palmar Longus in center & F.C.R. lat. to that. **FLEX wrist w/ resist.** Palm up: central forearm. **ABDUCT wrist**
24
Palmaris Longus
palmarisLongus.png
Flex Wrist 0, Tense Palm Fascia 0
Humerus - Med. Epicondyle
Flexor Retinaculum of Wrist & Palmar Aponeurosis
Superficial tendon at palmar wrist, center: NOT EVERYONE HAS THIS MUSCLE
[See Flexor Carpi Radialis] **Palm a B-ball**
25
Flexor Carpi Ulnaris
flexorCarpiUlnaris.png
Flex Wrist 0, Adduct Wrist 0, Flex Elbow 1
Humerus - Med. Epicondyle & Ulna - Poster. surface, prox.
Carpals - Pisiform & Hamate hook & Metacarpal [5] - base
Most medial Flexor; past Palmaris Longus.
[Seated] Flex arm, shake hands. **SUPINATE f-arm** Dist. - Tendon just prox. to Pisiform carpal. Prox. - 1 finger away from Ulna shaft, medially. **ADDUCT wrist w/ resist.**
26
Flexor Digitorum Profundus
flexorDigitorumProfundus.png
Flex Phalanges [2-5] 0, Flex Wrist 0
Humerus - Med. Epicondyle, anter. , prox.
Phalanges [2-5] - Middle & distal
Deepest flexors [layers 2 & 3] w/ tendons passing through Carpal tunnel.
[Seated] Flex arm, shake hands. **FLEX wrist** to soften flexor tendons (distal). Bend f-arm into 'bird' & touch fingertips 2-5 to thumb. Slide med. off Ulna shaft to feel: from the 'gap' there... **TYPE**
27
Flexor Digitorum Superficialis
flexorDigitorumSuperficialis.png
[See Flexor Digitorum Profundus]
[See Flexor Digitorum Profundus]
28
Extensor Carpi Ulnaris
extensorCarpiUlnaris.png
Extend Wrist 0, Adduct Wrist 0
Humerus - Lat. Epicondyle
Metacarpal [5] - base
[Seated] Flex arm, shake hands. Slide lat. off Ulna shaft / twd. anter. **ADDUCT wrist w/ resist.** Dist. - Past Ulna head to base of phalanges [5] = tendon @ wrist.
29
Extensor Carpi Radialis Longus
extensorCarpiRadialisLongus.png
Extend Wrist 0, Abduct Wrist 0
Humerus - Lat. Epicondyle & Supracondylar ridge
Metacarpals [2-3] - bases
4 Extensors - Lat./poster. f-arm. "hairy/sinewy"."Wad of 3" w/ Brachiorad. & E.C.R. Brevis @ top of f-arm if thumb up.
Seated] Flex arm, shake hands. Prox. - Move lat. from Brachiorad. **ABDUCT wrist w/ resist.** 2 tendons ~1/2 way down f-arm.
30
Extensor Carpi Radialis Brevis
extensorCarpiRadialisBrevis.png
[See E.C.R. Longus]
[See E.C.R. Longus]
31
Extensor Digitorum
extensorDigitorum.png
Extend Phalanges [2-5] 0, Extend Wrist 1
Humerus - Lat. Epicondyle
Phalanges [2-5] - Middle & distal
Poster./Lat., central F-arm btw. E.C.R.L./B. & E.C.U.
Seated] Flex arm, shake hands. Prox. - **TYPE** feel where flat @ belly; tendonous at fingers - Dist. - dorsal 'death claw'. **EXTEND wrist & fingers**.
32
Extensor Pollicis Longus
extensorPollicisLongus.png
Extend Phalanges [1] 0, Abduct Wrist 0
Radius - Poster. surface & Ulna - Distal 1/2
Phalanges [1] - [Pollicis]
Poster., dorsal - deep to Extensors - part of the 'anatomical snuffbox'.
[See A.P.L.]**EXTEND thumb** **CIRCUMDUCT thumb**
33
Extensor Pollicis Brevis
extensorPollicisBrevis.png
[See E.P. Longus]
[See E.P. Longus]
34
Abductor Pollicis Longus
abductorPollicisLongus.png
Abduct Phalanges [1] 0, Extend Phalanges [1] 0, Abduct Wrist 1
Radius - Distal, poster. surf. & Ulna - Distal, poster. surf.
Metacarpal [1] - base
Tendons form 'anatomical snuffbox' distally from Styloid proc. of Radius.
Seated] Flex arm, shake hands. Dist. - From thumb. **EXTEND thumb** to see trough. Prox. - Under Flex. retin. **CIRCUMDUCT thumb** & palp. at poster. Radius, prox. to wrist.Poster. / Dorsal - deep to Extensors.
35
Abductor Pollicis Brevis
abductorPollicisBrevis.png
[See A.P. Longus]
[See A.P. Longus]
36
Flexor Pollicis Longus
flexorPollicisLongus.png
Flex Phalanges [1] 0, Flex Wrist 1
Radius - Anter. surface & Interosseous membrane
Phalanges [1] - Base of distal phalanx
At the Thenar eminence at thumb, palmar side.
[Seated] Flex arm, shake hands. **Squeeze thumb & pinky together** & move from base of 1st metacarpal > webbing at thumb.
37
Flexor Pollicis Brevis
flexorPollicisBrevis.png
Flex Phalanges [1] 0, Oppose Phalanges [1] 0
Superf. - Flexor retinaculum & Deep - Carpals: Trapezius, Trapezoid & Capitate
Phalanges [1] - Base of proximal phalanx
[See F.P.L.]

^