The joint present between the carpals isa)Ball and socket jointb)Saddl...
The joint present between the carpals isa)Ball and socket jointb)Saddl...
The joint present between the carpals is a gliding joint.
Explanation:
A gliding joint, also known as a plane joint, is a type of synovial joint where the bones involved have flat surfaces that glide against each other. This type of joint allows for limited movement in multiple directions. Carpals are the small bones that make up the wrist and are arranged in two rows, proximal and distal. The joint between these carpals is a gliding joint.
Here is a detailed explanation of why the joint between the carpals is a gliding joint:
1. Definition of a gliding joint:
- A gliding joint is a type of synovial joint where the articulating surfaces of the bones are relatively flat or slightly curved.
- The bones in a gliding joint slide or glide against each other, allowing movement in multiple directions.
2. Structure of the carpals:
- The carpals are eight small bones located in the wrist.
- They are arranged in two rows, the proximal row closer to the forearm and the distal row closer to the hand.
- The carpals articulate with each other, forming joints that allow for movement in the wrist.
3. Characteristics of the joint between the carpals:
- The joint between the carpals is a gliding joint because the articulating surfaces of the bones are relatively flat.
- The bones of the carpals have smooth surfaces that slide or glide against each other.
- This joint allows for limited movement in multiple directions, including flexion, extension, abduction, adduction, and circumduction of the wrist.
4. Functions of the gliding joint between the carpals:
- The gliding joint between the carpals allows for the movement of the wrist, which is essential for various activities such as grasping, manipulating objects, and performing fine motor skills.
- It provides stability and flexibility to the wrist joint, allowing for precise movements and coordination.
In conclusion, the joint between the carpals is a gliding joint because the articulating surfaces of the bones are relatively flat, allowing for limited movement in multiple directions. This joint plays a crucial role in the movement and functionality of the wrist.
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