Understanding Joints

Wat is a joint?

A joint is the connection between two bones. It allows smooth movement.

Three types of joints are distinguished, depending on their mobility:

  • Mobile joints that allow large movements (knee, ankle, shoulder, elbow, hip, etc.)
  • Semi-mobile joints that allow small movements (like the ones joining the vertebrae).
  • Immobile joints that do not allow any movement (like those connecting the bones of the skull).

 

Healthy mobile joints

  • Joint cartilage : cartilage is a smooth, white, non-vascularized tissue that covers and protects the bone ends of all joints. It forms an elastic pad that allows joints to absorb shock while we move.
  • The joint capsule : the joint capsule surrounds and defines the joints.
  • The synovial membrane : the synovial membrane covers the inner face of the joint capsule. It nourishes and lubricates the joint surfaces by producing synovial fluid.

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Joints Tips

 

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