Types Of Movements Of Synovial Joints

Types Of Movements Of Synovial Joints

Question 1. What are the types of movements that commonly occur in the synovial joints?
Answer.

Four types of movements commonly occur in the synovial joints:

• Gliding
• Angular
• Circumduction
• Rotation

“Importance Of Synovial Joint Movements For Mobility”

Question 2. Write a short note on adjunct and conjunct rotation.
Answer.

• The rotation around a longitudinal axis is called rotation proper. It may be adjunct or conjunct.
• The adjunct rotation takes place actively by some muscles, while the conjunct rotation takes place passively due to the configuration of the articular surfaces or tension of some ligaments.

The differences between the adjunct and conjunct rotation are summarized in the following table:

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Question 3. Enumerate the factors maintaining the stability of the joints.
Answer.

• Configuration of articular surfaces
• Ligaments
• Muscles
• Atmospheric pressure

Anatomy Of Synovial Joint – Capsule – Ligaments

 List the nerve supply of a synovial joint.

 

The synovial joint is supplied by three types of nerves:

• Sensory nerves carrying pain from the articular fibrous capsule, ligaments and synovial membrane.
• Sensory nerves carry proprioceptive sensations from articular fibrous capsules and ligaments.
• Autonomic nerves supplying blood vessels. They regulate the flow of blood in an articular fibrous capsule.

“Effective Ways To Teach Students About Types Of Synovial Joint Movements”

What is Hilton’s law

This law enunciates that the nerves supplying sensory fibres to the capsule of the joint also supply the muscles crossing the joint and skin over the joint. Therefore, when the joint is diseased, the irritation of these nerves causes

1. Reflex spasm of muscles to bring the joint in the position of maximum comfort and
2. The pain of the joint is referred to as the overlying skin.