Question

Write a short note on the shoulder bone?

Answer 1

Hint: Shoulder is made up of mainly three bones clavicle, scapula, and the humerus. These three bones combination forms the pectoral grid and shoulder joint.

Complete answer: 1. The shoulder joint is also known as the ball and socket joint.
2. The head of the humerus bone, the acromion cavity of the clavicle, and the scapula form the shoulder joint, the acromion process, and the scapula form the socket and the head of the humerus form the ball of the joint.
3. Humerus is one of the long bone of our body which is divided into three parts upper head shaft and the lower part, the upper head have two necks one is surgical and one is anatomical the surgical neck have small nerve cells injury to that part leads to the paralysis.
4. Clavicle is also known as beauty bone the lateral end of the clavicle involves in the formation of the shoulder joint and supports the humerus bone on the shoulder point.
5. Scapula bone present on the backside of the body it has an extra process on the upper side of the bone this process is known as the acromion process and forms the shoulder blade and helps in the formation of the shoulder joint.

Note: 1. The clavicle is a long bone and presents horizontally in the body it is the only long bone that is present horizontally.
2. Scapula is a plain shaft like a triangular bone of the body.