6 Types of Joints found in the Human Body

Sunday, January 9, 2022

The human body is an amazing machine. In order for a person to ride a skateboard, his feet, hips, knees, elbows, and shoulders must be able to bend and flex. However, what allows the bones to bend the way they do?

Joints are where bones come together. A synovial joint is unique because the bones have cartilage at the end they are attached by the ligaments and there's a space in between the two bones filled with a fluid called synovial fluid which acts as a cushioning agent.

synovial joint

Let's take a look at some of the different types of synovial joints we have in our body

types of joints
Ball and socket joints are found at your shoulder and your hip and they allow you to move your shoulders and hips up and down and back and forth and they have the greatest range of motion.

ball and socket

Condyloid joints consist of an oval-shaped end of one bone fitting into a similarly oval-shaped hollow of another bone. This type of joint allows the joint to move both side to side and up and down. An example of a condyloid joint is found at your wrist and fingers.

condyloid joint

Planar joints have bones that allow for gliding movements, and so the joints are sometimes referred to as gliding joints. The range of motion is limited in these joints and does not involve rotation. Planar joints are found in the carpal bones in the hand and the tarsal bones of the foot.

planar joint

Saddle joints are so named because the ends of each bone resemble a saddle, An example of a saddle joint is the thumb joint, which can move back and forth and up and down, but more freely than the wrist or fingers.

saddle joint

Hinge joints
can be found at your knees and your elbows and they allow for back and forth movement.

hinge joint

Pivot joints consist of the rounded end of one bone fitting into a ring formed by the other bone. This structure allows rotational movement, as the rounded bone moves around its own axis. An example of a pivot joint is the joint of the first and second vertebrae of the neck that allows the head to move back and forth.

pivot joint

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