Study finds prehistoric hunter-gatherers in South Texas may have crafted musical instruments from human bones.

Posterior Tibial Tendon ... upper leg, and humerus," Dr Malhan explains. Factors contributing to this include: - Metabolic ...

There is one radius (R1) and one ulna (U1); these are the two bones that connect the wrist and elbow. There are two humerus bones (H1 and H2). The humerus connects the shoulder and the elbow.