Anatomy
·Upper Limb
Muscles of the Arm
⭐ PREMIUM
The arm has an anterior (flexor) compartment supplied by the musculocutaneous nerve and a posterior (extensor) compartment supplied by the radial nerve.
ANTERIOR COMPARTMENT (musculocutaneous n., C5,6,7)
• Biceps brachii: long head from supraglenoid tubercle (through the bicipital groove), short head from coracoid. Powerful SUPINATOR + flexor of the flexed, supinated forearm.
• Brachialis: the…
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