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your biceps contract and your triceps relax
The biceps brachii is a muscle.
Biceps brachii
The effector muscle is the biceps brachii.
The Biceps brachii muscle. We just call it the biceps, though. (Pronounced bye-seps) To straighten the arm again, the triceps muscle is contracted - which lies 'underneath' the upper arm.
The scientific name for biceps is Biceps Brachii.
Pronator teres muscle The supinator muscle acts with the biceps brachii to supinate the forearm.
The triceps brachii is the antagonist to the biceps brachii.
The triceps brachii is the antagonist to the biceps brachii.
Biceps Brachii
The scientific name for the biceps muscle is "biceps brachii." It is a two-headed muscle located in the upper arm that is responsible for flexing the elbow and rotating the forearm.
A antagonist muscle is a muscle that opposes the action of another muscle. The Triceps Brachii is the antagonist of the Biceps Brachii.