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8 Cards in this Set
- Front
- Back
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Muscle- Extensor Carpi Radialis Brevis
Function- extends the hand at the wrist, radially deviates the hand at the wrist, Origin- lateral epicondyle via the CET (common extensor tendon), radial collateral ligament, antebrachial fascia Insertion- base of 3rd metacarpal(triquetrum) Antagonist- Flexor Carpi Ulnaris, Extensor Carpi Ulnaris, Flexor Carpi Radialis Blood Supply- radial recurrent artery Nerve- deep branch of the radial nerve, C6,7 |
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Muscle- Extensor Carpi Radialis Longus
Function- extends the hand, radially deviates the hand at the wrist, weakly flexes the forearm at the elbow, weakly supinates the forearm Origin- lateral supracondylar ridge, lateral intermuscular septum of humerus Insertion- base of 2nd metacarpal(lunate) Antagonist- Flexor Carpi Radialis, Pronator Teres, Flexor Carpi Ulnaris, Palmaris Longus, Flexor Digitorum Superficialis, Flexor Digitorum Profundus, Pronator Quadratus, Flexor Pollicis Longus Blood- radial recurrent artery Nerve- radial nerve, C5,6 ORdeep branch of the radial nerve |
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Muscle- Extensor Carpi Ulnaris
Function- extends wrist, ulnarly deviates wrist Origin- lateral epicondyle, posterior body of ulna, antebrachial fascia Insertion- 5th metacarpal (trapezium) Antagonist- Extensor Carpi Radialis Longus, Extensor Carpi Radialis Brevis, Flexor Carpi Radialis, Flexor Carpi Ulnaris, Palmaris Longus Blood- posterior interosseous artery Nerve- posterior interosseous nerve of the radial nerve C 6,7,8 |
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Muscle- Scalene group
Function- elevates the ribs for respiration, rotates to side opposite of contraction, laterally flexes to the contracted side, bilaterally flexes the neck Origin- all cervical vertebrae (spine) Insertion- 1st rib Antagonist- Serratus Posterior Inferior, Transversus Abdominis Blood- ascending cervical artery Nerve- ventral rami C3-C8 |
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Muscle- Fibularis Brevis
Function- flexes toes 2-5 Origin- medial process of calcaneal tuberosity, plantar aponeurosis Insertion- both sides of the bases of the middle phalanx of rays 2-5 Blood- medial plantar artery Nerve- medial plantar nerve, L5,S1 Antagonist- Extensor hallucis longus, Extensor digitorum longus, Tibialis anterior, Peroneus tertius |
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Muscle- Tibialis Posterior
Function- stabilizes ankle, inversion & adduction of foot, prevents hyperpronation while in gait, weak plantarflexion of ankle Origin- posterior proximal tibia, interosseous membrane, medial surface of fibula Insertion- navicular tuberosity, cuneiforms (plantar surface), bases of 2nd-4th metatarsals (calcaneus, navicular), cuboid, calcaneus Antagonist- Extensor hallucis longus, Extensor digitorum longus, Tibialis anterior, Peroneus tertius Blood- peroneal artery, posterior tibial artery Nerve- tibial nerve, L5,S1 |
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