brachioradialis
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The biceps brachii flexes the forearm, specifically at the elbow joint. The pronator teres and supinator muscles are responsible for pronation and supination of the forearm, respectively, at the radioulnar joints.
The main muscle that flexes the forearm is the biceps brachii.
The pronator teres and pronator quadratus muscles located in the forearm are responsible for pronation. These muscles work together to rotate the forearm so that the palm faces downwards or backwards.
The flexor digitorum profundus is a muscle in the forearm that flexes the fingers and holds the handle.The flexor carpi radialis and extensor carpi radialis longus allow you 'bend' the wrist as you turn the handle.
The length of the forearm from the elbow to the fingertips is typically referred to as the "forearm length" or simply the "forearm."
The forearm.