kinesiology muscles
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upper trapezius | occipital bone, nuchal ligament | outer third of clavicle, acromion process | show | spinal accessory (cranial nerve XI)
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middle trapezius | spinal processes of C7 through T3 | show | scapular retraction | spinal accessory (cranial nerve XI)
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lower trapezius | spinous processes of middle and lower thoracic vertebrae | base of the scapular spine | show | spinal accessory (cranial nerve XI)
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levator scapula | transverse process of first four cervical vertebrae | show | scapular elevation and downward rotation | third and fourth cervical nerves
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rhomboids | show | vertebral border of scapula between the spine and inferior angle | scapular retraction and downward rotation | dorsal scapular nerve
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show | lateral surface of the upper eight ribs | vertebral border of the scapula, anterior surface | scapular protraction and upward rotaiotn | long thoracic nerve
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pectoralis minor | anterior surface, third through fifth ribs | coracoid process of the scapuls | show | medial pectoral nerve
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anterior deltoid | show | deltoid tuberosity | shoulder flexion, medial rotation, horizontal ladduction | axillary nerve
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show | acromion process | deltoid tuberosity | shoulder abduction | axillary nerve
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posterior deltoid | spine of scapula | show | shoulder extension, hyperextension, lateral rotation, horizontal abduction | axillary nerve
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supraspinatus | supraspinous fossa of the scapula | greater tubercle of the humerus | show | suprascapular nerve
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show | medial third of clavicle, sternum, costal cartilage of first six ribs | lateral lip of bicipital groove of humerus | shoulder adduction, medial rotaion, horizontal adduction, flexion to approximately first 60 degress, extension to approximately first 120 degres | lateral and medial pectoral nerve
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latissimus dorsi | spinous processes of T7 through L5, posterior surface of sacrum, illiac crest, and lower three ribs | medial lip of bicipital groove of humerus | show | thoracodorsal nerve
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show | axillary border of scapula near the inferior angle | crest elow lesser tubercle next to the latissimus dorsi muscle attachment | shoulder extension, adduction, medial rotation | subscapular nerve
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infraspinatus | infraspinous fossa of scapula | greater tubercle of humerus | show | suprascapular nerve
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teres minor | axillary border of scapula | greater tubercle of humerus | show | axillary nerve
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subscapularis | subscapular fossa of the scapula | lesser tubercle of the humerus | show | subscapular nerve
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coracobrachailis | coracoid process of the scapula | show | stabilizes the shoulder joint | musculocutaneous nerve
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brachialis | show | coronoid process and ulnar tuberosity of the ulna | elbow flexion | musculocutaneous nerve
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brachioradialis | lateral supracondylar ridge on the humerus | styloid process of the radius | elbow flexion | show 🗑
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show | scapula: long head-supraglenoid tubercle, short head-coracoid process | radial tuberosity of radius | elbow flexion, forearm supination | musculocutaneous nerve
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supinator | lateral epicondyle of humerus and adjacent ulna | show | forearm supination | radial nerve
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triceps | long head-infraglenoid tubercle of scapuls, lateral head-inferior to greater tubercle on posterhumerus, medial head-posterior surface of humerus | olecranon process of ulna | elbow extension | show 🗑
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pronator teres | show | later aspect of radius at its midpoint | forearm pronation, assistive in elbow flexion | median nerve
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pronator quadratus | show | distal fourth of radius | forearm pronation | median nerve
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show | medial epicondyle of humerus | pisiform, and base of fith metacarpal | wrist flexion, ulnar deviation | ulnar nerve
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flexor carpi radialis | medial epicondyle of humerus | show | wrist flexion, radial deviation | median nerve
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show | medial epicondyle of humerus | palmar fascia | assistive in wrist flexion | median nerve
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extensor carpi radialis longus | supracondylar ridge of humerus | base of second metacarpal | wrist extension, radial deviation | show 🗑
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show | lateral epicondyle of humerus | base of third metacarpal | wrist extension | radial nerve
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extensor carpi ulnaris | lateral epicondyle of humerus | base of fifth metacarpal | wrist extension, ulnar deviation | show 🗑
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flexor digitorum superficialis | show | sides of the middle phalanx of the four finger | flexes MP and PIP joints of the fingers | median nerve
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flexor digitorum profundus | upper three-fourths of ulna | distal phalanx of the four fingers | flexes all three joints of the fingers | show 🗑
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extensor digitorum | lateral epicondyle of the humerus | base of distal phalanx of the second through fifth fingers | show | radial nerve
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extensor digiti minimi | show | base of distal phalanx of fifth finger | extends all joints of fifth finger | radial nerve
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extensor indicis | distal ulna | show | extends all joints of the second finger | radial nerve
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flexor digiti minimi | show | base of proximal phalanx of the fifth finger | flexes MP of the fifth finger | ulnar nerve
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abductor digiti minimi | pisiform and tendon of flexor carpi ulnaris | proximal phalanx of fifth finger | abducts MP of the fifth finger | show 🗑
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opponens digiti minimi | hamate and flexor retinaculum | fifth metacarpal | show | ulnar nerve
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palmar interossei | show | base of the proximal phalanx | adduction of finger | ulnar nerve
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dorsal interossei | two adjacent metacarpals | show | abduction of fingers | ulnar nerve
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lumbricales | tendon of the flexor digitorum profundus muscle | show | flex the MP joint while extending the IP joints | 1st and 2nd lumbircales-medial nerve, 3rd and 4th lumbricales-ulnar nerve
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show | radius, anterior surface | distal phalanx of thumb | flexes all joints of the thumb | median nerve
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show | posterior radius, interosseous membrane, middle ulna | base of the first metacarpal | abducts thumgb | radial nerve
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extensor pollicis brevis | posterior distal radius | base of the proximal phalanx of the thumb | extends MP joint of thumb | show 🗑
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show | middle opsterior ulna and interosseous membrane | base of distal phalanx of thumb | extends MP and IP joints of the thumb | radial nerve
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show | trapezium and flexor retinaculum | proximal phalanx | flexes MP joint of thumb | median nerve
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abductor pollicis brevis | scaphoid, trapezium and flexor retinaculum | proximal phalanx | show | median nerve
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opponens pollicis | trapezium and flexor retinaculum | first metacarpal | opposes the thumb | show 🗑
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adductor pollicis | capitate, base of the second metacarpal, palmar surface of the third metacarpal | base of proximal phalanx of the thumb | show | ulnar nerve
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