triceps brachii ( origin, insertion, action, innervation)
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triceps brachii: long head: action
extends humerus and extends forearm
triceps brachii: long head: origin
infraglenoid tubercle
triceps brachii: lateral head: insertion
olecranon process
triceps brachii: long head: insertion
olecranon process
triceps brachii: medial head: insertion
olecranon process
triceps brachii: lateral head: origin
posterior surface of proximal humerus
tricep brachii: medial head: innervation
radial nerve
triceps brachii: lateral head: innervation
radial nerve
triceps brachii: long head: innervation
radial nerve
triceps brachii: medial head: origin
distal 2/3 of medial and posterior humerus
triceps brachii: lateral head: action
extend forearm
triceps brachii: medial head: action
extend forearm