infraglenoid tubercle
No. The triceps is an upper arm muscle
Triceps muscle has got medial head, lateral head and long head. Long head has got the origin from the infraglenoid tubercle. That means, when you contract the triceps muscle, long head gets support from the scapula bone. That gives additional support for the muscle to do the the action of extension on the elbow joint.
The triceps brachii is the muscle of the body primarily used to extend the elbow. It is a long muscle that originates in the scapula.
I think you are referring to the triceps. This is the muscle that attaches at the elbow and the shoulder. The one that you use when extending your arm. biceps; up triceps; under
when you bend your elbow, what is the triceps muscle acting as in relation to the biceps muscle
triceps brachii
triceps
Triceps muscle is not a flexor. Triceps is an extensor of elbow joint. Biceps muscle is flexor.
biceps - front of arms (muscle) triceps - back of arms (muscle) qaudriceps - muscle of thigh
It is paired with the biceps brachii. The triceps extends the forearm and the biceps flexes it. ("making a muscle")
The triceps brachii muscle is the muscle that attaches on the olecranon process of the ulna. The triceps brachii muscle extends the elbow joint.