Brachium
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each of the black spaces below before clicking
on it to display the answer.
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Biceps brachii | Supinates forearm; strongly flexes supinated
elbow; weak shoulder flexor; checks upward translation of humeral head during deltoid abduction
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Brachialis | Strongly flexes forearm in all postions
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Coracobrachialis | Helps to flex and adduct arm weakly
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Triceps brachii | Extends the forearm powerfully; it is chief extensor of forearm; long head steadies head of abducted humerus
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Anconeus | Assists triceps in extending forearm; stabilizes elbow joint; abducts ulna during pronation
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Radial collateral (off Deep Brachial) | Radial current (off Radial)
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Superior ulnar collateral(off Brachial) | Posterior ulnar recurrent(off Ulnar)
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What nerve innervates biceps brachii, Coracobrachialis, Brachialis? | Musculocutaneous (C5,C6)
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What nerve innervates Triceps brachii and Anconeus? | Radial (C5-T1)
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Inferior ulnar collateral (off Brachial) | Anterior ulnar recurrent (off Ulnar)
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Middle collateral (off Deep Brachial) | Posterior interosseous recurrent (off Common Interosseous)
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Anterior Compartment | Biceps brachii and Brachialis
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Posterior compartment | Triceps brachii and Anconeus
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Medial brachial cutaneous and Medial antebrachial cutaneous | Medial Cord
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Lateral superior cutaneous | Axillary
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Lateral inferior cutaneous and Posterior cutaneous | Radial
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Lateral antebrachial cutaneous | musculocutaneous
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