GROSS ANATOMY

Detailed explanation-1: -Superficial muscles of the chest and upper arm: The biceps brachii is located in the anterior compartment of the upper arm and flexes and supinates the forearm at the elbow.

Detailed explanation-2: -The three flexors are brachialis, biceps, and brachioradialis. Here’s the brachialis muscle. It arises from this broad area on the anterior humerus.

Detailed explanation-3: -Function. The brachioradialis flexes the forearm at the elbow. Depending on the position of the hand during the flexion, the brachioradialis can tend to move the hand to neutral.

Detailed explanation-4: -Humeroulnar joint of the elbow – The biceps brachii also functions as an important flexor of the forearm, particularly when the forearm is supinated. Functionally, this action is performed when lifting an object, such as a bag of groceries or when performing a biceps curl.

Detailed explanation-5: -Function. The main function of the supinator is to supinate the forearm. This can be done with the elbow in any position of flexion or extension. Supinator works with Biceps Brachii if powerful supination is required.