Pronator Quadratus
The pronator quadratus muscle pronates the forearm and helps the triceps muscle extend the elbow.
Pronator Quadratus Read More »
Elbow
Supinator
The supinator muscle is an elbow joint muscle that is used most when your arm is straight and you are turning your forearm outwards. Or
Anconeus
The Anconeus is one of the small elbow muscles. It works alongside Triceps Brachii in extending the elbow. It also acts to pull the synovial
Biceps Brachii
The Biceps brachii crosses both the elbow and shoulder joints. Its action on the shoulder joint is very weak flexion. It works most efficiently in
Brachialis
The Brachialis acts to flex the elbow whether in pronation or supination, along with Biceps Brachii. As Brachialis is attached to the Ulna, which cannot
Brachioradialis
The Brachioradialis muscle acts to supinate the forearm from a pronated position when it flexes the elbow. When starting in a supinated position, it acts
Triceps Brachii
The Triceps Brachii also assists Latissimus Dorsi in extending the shoulder joint. It contracts strongly during the up phase of a push-up, to straighten the
Pronator Teres
Pronator Teres works the hardest when the elbow is flexing the hand simultaneously pronating.