Question

Define a joint. Classify joints on the basis of movement.​

Answer 1

Answer:

There are two ways to classify joints: on the basis of their structure or on the basis of their function. The structural classification divides joints into fibrous, cartilaginous, and synovial joints depending on the material composing the joint and the presence or absence of a cavity in the joint.

Fibrous Joints

Synovial Joints

Cartilaginous Joints

Explanation:

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Answer 2

• Sutures, syndesmoses, and gomphoses are examples of fibrous joints, which include fibrous connective tissue but cannot move.
• There are two forms of cartilaginous joints: synchondroses and symphyses, both of which include cartilage and enable very little mobility.
• Only synovial joints contain a gap between the neighbouring bones (a synovial cavity filled with fluid).
• Synovial joints have the largest range of motion of the three joint types due to the presence of synovial fluid and an articular capsule, but they are also the weakest.
• Synarthroses, amphiarthroses, and diarthroses are three types of joints that differ in function.
• Fibrous joints are seen in synarthrosis; cartilaginous joints are found in amphiarthrosis; and synovial joints are found in diarthrosis.