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22 Cards in this Set
- Front
- Back
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biceps brachii
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O: scaupla
I: radial tuberosity F: shoulder flexion, elbow flexion, radioulnar supinatin SN: fibrous locertus. most powerful supinator |
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brachialis
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O: distal anterior humerus
I: ulnar tuberosity F: elbow flexion |
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brachioradialis
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O: lateral supracondylar ride of humerus
I: radial styloid F: elbow flexion SN: palpate during resisted flexion |
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triceps brachii
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O: Long head - infraglenoid tubercle of scaupla. Lateral head - proximal posterolateral humerus. Medial head - distal posteromedial humerus
I: olecranon process of ulna F: shoulder extension. elbow extension |
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anconeus
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O: lateral epicondle of humerus
I: olecranon process (lateral) F: extension |
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pronator teres
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O: medial epicondly of humerus(humeral head) and coronoid process of ulna (ulna head)
I: middle lateral radius F: pronation. assists with elbow flexion |
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palmaris longus
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O: medial epicondyle of humerus (common flexor tendon)
I: palmar aponeurosis F: assits with wrist flexion SN: absent ins ~25% of population, "claws" |
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flexor carpi radialis
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O: medial epicondyle of humerus (common flexor tendon)
I: based on 2nd and 3rd metacarpals F: wrist flexion. radial deviation. SN: palpate during wrist & MCP/IP flexion |
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flexor carpi ulnaris
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O: medial epicondyle of humerus (common flexor tendon) and proximal posterior ulna
I: pisiform, hook of hamate; base of 5th metacarpal F: wrist flexion. ulanr deviation |
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flexor digitorum superficialis
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O: medial epicondyle (common flexor tendon), ulna and radius
I: middle phalanx of the 4 fingers F: flexes proximal interphalangeal jt (2-5) SN: distal tendon splits to allow for passage of tendons of flexor digitorum profundus |
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flexor digitorum profundus
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O: ulna and interosseous membrane
I: distal phalanx of fingers (2-5) F: flexion of DIP jts. assists in flexion of PIP and MCP joints. assists with wrist flexion. Palpate prox. - ant. forearm during IP flexion |
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flexor pollicis longus
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O: middle anterior radius and interosseous membrane
I: distal phalanx of thumb F: flexion of thumb IP & MCP joint |
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pronator quadratus
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O: distal anterior ulna
I: distal anterior radius F: pronation ( principal) SN: only muscle that goes from one ulna to only radius |
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ext. carpi radialis longus/brevis
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O: lateral supracondylar ridge (longus) and lateral epicondyle of humerus (brevis)
I: based of 2nd metacarpal (longus). Base of 3rd metacarpal (brevis) F: wrist extension/hyperextension. radial deviation |
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extensor digitorum
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O: lateral epicondyle of humerus(common extensor tendon)
I: middle and distal phalanges of 4 fingers F: extends fingers |
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extensor digiti minimi
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O: lateral epicondyle (common extensor tendon)
I: middle and distal phalanges of little finger F: extension of joints of little finger |
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extensor carpi ulnaris
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O: lateral epicondyle of humerus(common extensor tendon) and proximal posterior ulna
I: base of 5th metacarpal F: wrist extension. ulnar deviation. SN: distal tendon runs through groove b/w ulnar head and styloid |
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supinator
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O: lateral epicondyle of humerus and proximal posterolateral ulna
I: anterolateral proximal radius F: supination |
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abductor pollicis longus
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O: posterior radius and ulna and interosseous membrane
I: base of 1st metacarpal F: abduction and extesion of 1st carpometacarpal joint SN: forms border of anatomical snuffbox (lateral/radial) |
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extensor pollicis brevis
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O: posterior radius and interosseous membrane
I: proximal phalanx of thumb F: extension of 1st MCP joint SN: forms border of anatomical snuffbox(anterior/?) |
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extensor pollicis longus
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O: posterior ulna nad interosseous membrane
I: distal phalanx of thumb F: thumb extension SN: forms border of anatomical snuffbox (medial/ulnar) |
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extensor indicis
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O: posterior ulna and interosseous membrane
I: extensor expansion of "index" finger F: extension of joints of index finger |
