HUMAN NUTRITION

Detailed explanation-1: -It is a combination hinge and pivot joint. The hinge part of the joint lets the arm bend and straighten; the pivot part lets the lower arm twist and rotate. At the upper end of the ulna is the olecranon, the bony point of the elbow that can easily be felt beneath the skin.

Detailed explanation-2: -Free throw: The elbow joint is a hinge joint. You start with elbow flexion, which is caused by the biceps being the agonist and the triceps as the antagonist. This movement would happen to help push the ball towards the hoop. You might want to put backspin on the ball so it bites back on the board and comes down.

Detailed explanation-3: -The elbow is both a ball-and-socket joint as well as a hinge joint, allowing the elbow to bend (flexion) and straighten (extension) as well as enable the hand to rotate palm-up (pronation) and palm-down (supination).

Detailed explanation-4: -The knees and elbows are examples of a hinge joint. Hinge joints are used frequently in sport. The shoulders and hips are examples of ball and socket joints. These joints allow a wide range of movement in the human body and are used in a variety of sporting movements.