skeletal muscle weight biceps brachii muscle weight 2014-07-28T17:42:05Z CMO:0002512 JSmith The weight or the measure of the heaviness of the long fusiform muscle of the upper arm (or the upper segment of the foreleg of quadrupeds) located on the anterior surface of the humerus. It arises in two heads from the scapula and flexes the elbow, integrates the actions of the shoulder and elbow and, in humans, supinates the hand. clinical_measurement_ontology