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51 Cards in this Set
- Front
- Back
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scapular mm. |
1) attach the scapula to the trunk 2) provide stability and mobility for UE |
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serratus anterior m. (scapular) |
A: scapular protraction scapular upward rotation (w/ trapezius) N: long thoracic n. O: outer surface & superior borders of upper 8-9 ribs I: costal surface of medial border of scapula |
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upper trapezius m. (scapular) |
A: scapular elevation scapular upward rotation (w/ serratus ant.) N: spinal accessory n. O: external occipital protuberance 1/3 of superior nuchal line spinous process of C7 I: lateral 1/3 of clavicle acromion process |
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middle trapezius m. (scapular) |
A: adduction of scapula (retraction) N: spinal accessory n. O: spinous processes of T1-T5 I: spine of scapula (superior lip) |
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lower trapezius m. (scapular) |
A: scapular depression upward rotation of scapular (w/ serratus ant. ) N: spinal accessory n. O: spinous processes of T6-T12 I: apex of the scapular spine |
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levator scapulae m. (scapular) |
A: elevation of scapula downward (medial) rotation of scapula N: dorsal scapular n. O: transverse processes of C1-C4 I: medial border of scapula between superior angle & root of spine |
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rhomboid major m. (scapula) |
A: adduction, elevation, and downward (medial) rotation of scapula N: dorsal scapular n. O: spinousprocesses of T2-T5 I: medialborder of scapula between the spine and the inferior angle |
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rhomboid minor m. (scapula) |
A: adduction, elevation, and downward (medial) rotation of scapula N: dorsal scapular n. O: spinousprocess of C7 and T1 I: rootof the spine of the scapula |
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pectoralis minor m. (scapular) |
A: scapular depression anterior tilting N: medial pectoral O: ribs 3-5 near cartilages I: coracoid process of scapula |
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rotator cuff mm. |
1) unique, provide dynamic stability to GH joint 2) one function is to keep humerus head in glenoid fossa |
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supra- spinatus m. (rotator cuff) |
A: initial 90 degrees of shoulder abduction stabilizes head of humerus in glenoid N: suprascapular n. O: medial 2/3 of supraspinous fossa of scapula I: greater tubercle of humerus |
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infra-spinatus m. (rotator cuff) |
A: external (lateral) rotation of humerus stabilizes head of humerus in glenoid downward glide of head of humerus N: suprascapular n. O: medial 2/3 of infrapinous fossa of scapula I: greater tubercle of humerus |
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teres minor m. (rotator cuff) |
A: external (lateral) rotation of the humerus stabilizes head of humerus in glenoid downward glide of head of humerus N: axillary n. O: upper 2/3 & dorsal surface of lateral border of scapula I: greater tubercle of humerus |
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subscapularis m. (rotator cuff) |
A: internal (medial) rotation of the humerus stabilizes head of humerus in glenoid downward glide of humerus N: upper & lower subscapular nn O: subscapular fossa of scapula I: lesser tubercle of humerus |
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GH joint mm. |
1) move GH joint, given that other mm. are accurately providing stability and mobility |
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latissimus dorsi m. (GH joint) |
A: adduction medial (internal) rotation extension of GH joint N: thoracodorsal n. O: lower 6 thoracic vertebrae thoracolumbar fascia iliac crest I: intertubercular groove of humerus |
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teres major m. (GH joint) |
A: adduction medial rotation extension of GH joint N: subscapular n. O: dorsal inferior angle of scapula I: lesser tubercle of humerus |
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pectoralis major m. (GH joint) |
A: adduction medial rotation horizontal adduction N: lateral & medial pectoral n. O: medial 1/3 of clavicle sternum upper ribs I: greater tubercle of humerus |
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anterior deltoid m. (GH joint) |
A: flexion at GH joint abduction at GH joint (15-90) medial rotation N: axillary n. O: lateral 1/3 of clavicle I: deltoid tuberosity of humerus |
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middle deltoid m. (GH joint) |
A: abduction of GH joint N: axillary n. O: lateral & superior part of acromion process I: deltoid tuberosity of humerus |
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posterior deltoid m. (GH joint) |
A: extension of GH joint abduction of GH joint lateral rotation N: axillary n. O: spine of scapula I: deltoid tuberosity of humerus |
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coracobrachialis m. (GH joint) |
A: flexion of GH joint adduction of GH joint N: musculocutaneous n. O: apex of corocoid process of scapula I: anteromedial middle shaft of humerus |
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elbow joint mm |
1) move elbow joint 2) some are 2-joint muscles & also move GH |
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triceps brachii m. (elbow) |
A: extends elbow long also extends GH joint long also adducts GH joint I: radial n. O: long- infraglenoid tubercle of scapula lateral- lateral & posterior proximal half of body of humerus medial- distal 2/3 of medial & posterior surfaces of humerus I: olecranon process of ulna |
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anconeus m. (elbow) |
A: extends elbow N: radial n. O: lateral epicondyle of humerus I: olecranon process of ulna |
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biceps brachii m. (elbow) |
A: elbow flexion forearm supination long- flexes GH joint N: musculocutaneous n. O: short- coracoid process of scapula long- supraglenoid tubercle of scapula I: radial tuberosity |
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brachialis m. (elbow) |
A: elbow flexion N: musculocutaneous n. O: distal anterior half of humerus I: ulnar tuberosity coronoid process |
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brachio-radialis m. (elbow) |
A: elbow flexion forearm supination/pronation to mid-position N: radial n. O: lateral supracondylar ridge of humerus I: styloid process of radius |
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supinator m. (elbow) |
A: forearm supination N: radial n. O: lateral epicondyle of humerus I: lateral proximal shaft of radius |
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pronator teres m. (elbow) |
A: forearm pronation elbow flexion N: median n. O: medial epicondyle of humerus coronoid process of ulna I: medial side of lateral surface of radius |
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pronator quadratus m. (elbow) |
A: forearm pronation N: median n. O: anterior distal surface of ulna I: anterior distal surface of radius |
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wrist mm. |
1) moves and stabilizes wrist 2) provides stability and mobility to wrist |
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extensor carpi ulnaris m. (wrist) |
A: extends wrist adducts (ulnar deviation) wrist N: radial n. O: common extensor tendon from lateral epicondyle of humerus I: base of 5th metacarpal |
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extensor carpi radialis longus & brevis m. (wrist) |
A: extend wrist abduct (radially deviate) wrist longus- flexes elbow N: radial n. O: lateral supracondylar ridge of humerus I: longus- base of 2nd metacarpal brevis- base of 3rd metacarpal |
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flexor carpi ulnaris m. (wrist) |
A: flexes wrist adducts (ulnar deviates) wrist assists in elbow flexion N: ulnar n. O: common flexor tendon from medial epicondyle of humerus I: pisiform bone hamate bone 5th metacarpal |
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flexor carpi radialis m. (wrist) |
A: flexes wrist abducts (radially deviates) wrist flexes elbow N: median n. O: common flexor tendon from medial epicondyle of humerus I: base of 2nd & 3rd metacarpals |
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palmaris longus m. (wrist) |
A: tenses palmar fascia N: median n. O: common flexor tendon from medial epicondyle of humerus I: flexor retinaculum |
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flexor digitorum profundus m. (wrist) |
A: 2-5 - flex wrist flex MP, PIP, and DIP joints N: 2 & 3- median n. 4 & 5- ulnar n. O: anterior middle ulna I: distal phalanges |
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flexor digitorum superficialis m. (wrist) |
A: flexes wrist flexes MP & PIP joints of 2-5 N: median n. O: common flexor tendon from medial epicondyle of humerus I: sides of middle phalanges 2-5 |
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extensor digitorum m. (wrist) |
A: extends wrist extends 2-5 at MP joints *Viaattachment into the extensor expansion and in conjunction with the lumbriclesand interossei alsoextend the PIP and DIP joints. N: radial n. O: lateral epicondyle of humerus I: extensor expansions of 2-5, specifically into base of proximal phalanx |
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lumbricales m. (wrist) |
A: flex MP joints extend PIP & DIP joints 2-5 N: 2 & 3- median n. 4 & 5- ulnar n. O: tendons of flexor digitorum profundus in digits 2-3 w/ 1 & 2 and 4-5 w/ 3 & 4 I: radial border of extensor expansions of 2-5 |
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palmar interossei m. |
A: adducts 2, 4 & 5 to axial line (middle finger) assists with PIP & DIP joint extension N: ulnar n. O: ulnar side of digits 1, 2, 4, & 5 metacarpals I: extensor expansions of digits 2, 4, & 5 bases of proximal phalanges |
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dorsal interossei m. (wrist) |
A: abducts digits 2-4 assists in PIP & DIP joint extension N: ulnar n. O: adjacent sides of 2 relative metacarpals I: bases of proximal phalanges extensor expansions of digits 2-4 |
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abductor pollicis longus m. (wrist) |
A: abducts CMC joint of thumb extends CMC joint of thumb abducts (radially deviates) wrist flexes wrist N: radial n. O: posterior surface of proximal ulnar & radius I: base of first metacarpal |
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abductor pollicis brevis m. (wrist) |
A: abducts CMC & MC joints extends IP joint of thumb N: median n. O: two lateral carpal bones (trapezium/scaphoid) I: base of proximal phalanx of thumb (radially) |
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extensor pollicis longus m. (wrist) |
A: extends IP and MCP joint of thumb assists in abduction & extension of wrist N: radial n. O: posterior surface of middle 1/3 of ulna I: dorsal aspect of base of distal phalanx of thumb |
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extensor pollicis brevis m. (wrist) |
A: extends CMC joint of thumb abducts CMC joint of thumb extends MCP joint of thumb assists in abduction of wrist N: radial n. O: posterior surface of distal 1/3 of radius I: dorsal aspect of base of proximal phalanx of the thumb |
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flexor pollicis longus m. (wrist) |
A: flexes IP joint of thumb assists in flexion of MCP & CMC joints of the thumb N: median n. O: anterior surface of radius I: base of distal phalanx of thumb |
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flexor pollicis brevis m. (wrist) |
A: flexes MCP & CMC joints of thumb assists in action of opposition N: median & ulnar n. O: three lateral carpal bones (trapezium, trapezoid, & capitates) I: proximal phalanx of thumb |
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opponens pollicis m. (wrist) |
A: opposes (flex, abduct, & internally rotate) CMC joint of thumb N: median n. O: trapezium and flexor retinaculum I: 1st metacarpal bone |
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adductor pollicis m. (wrist) |
A: adducts thumb N: ulnar n. O: capitate & mid-metacarpal bones 2 & 3 I: medial proximal phalanx |
