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.

This discovery marks the first Hobbit bone beyond the cranium identified at Mata Menge. Based on the bone's size, researchers ...

Besides protecting our organs, bones also work together with muscles and tendons to get the body moving. For example, the humerus, radius and ulna work with your biceps and triceps to curl or ...