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.

Medically reviewed by Scott Zashin, MD Rheumatoid arthritis (RA) is known for causing all-over inflammation and pain. It happens when the immune system malfunctions and attacks the synovium, the ...

The bone tools measure up to around 16 inches (40 centimeters), with the largest being a sharp blade made from the humerus of an elephant.

Visitors to a museum have the chance to see the bone of what is believed to have been the world’s largest ever land mammal, ...

There was evidence of a smooth periosteal reaction associated with the cranial and caudal cortex of the proximal humerus of ...

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 ...

Ball and socket joints also allow flexion and extension. Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from the rest of the body, which happens at the end of an ...