Your arm is made up of three main bones. The humerus is the long bone in the upper arm that extends from your shoulder to ...

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in ... joint is made up of a round end of one bone that fits into a small cup-like area of another ...

Skeletal muscle is joined to bones. Its cells contract to ... it's also a great way to show off the trainers. The elbow and knee are just two of the joints you might use when dancing Joints ...