Your thumb contains the only saddle joint in the entire body. how would your hand function differently if your thumb contained a pivot joint? what if it contained a ball and socket joint? describe four consequences of having a different type of joint in the thumb.

Explanation:

your thumb could bend in other ways and could be moved in a 360 degrees if it was a ball and joint, if it was a pivot it could only move in a straight line and not bend like we are used too, the thumbs are opposable so humans can grab things if a different joint is used it can have a harsh affect on the human structure and functions, a major consequence is that if this evolution happened suddenly now out technology could not comprehend with this evolution and we could lose our ability to use now day tools