This movement combines a supine and prone grip ... deep in the upper arm behind the biceps brachii, responsible for elbow flexion. By targeting these muscles you will improve grip strength ...
Relocation test22 Posture: the patient is in supine position, the arm in 90° abduction and the elbow in 90° flexion. Fixation: with one hand, the examiner holds the forearm and the other hand is ...