Question

all are heads of triceps brachii except​

Answer 1

The medial head of the triceps is active in all forms of forearm extension, while the long and lateral head are only significantly active during extension at the elbow that occurs against resistance.

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Answer 2

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The medial head of the triceps is active in all forms of forearm extension, while the long and lateral head are only significantly active during extension at the elbow that occurs against resistance.