Concept explainers
Name and describe the three types of joints as classified by range of motion.
To determine:
The name and describe the three types of joints as classified by the range of motion.
Introduction:
Interaction of bones occur, wherever they meet at the articulations or joints. The joints are classified on the basis of their structure or function. Functional basis of classification comes under the range of motion.
Explanation of Solution
The functional classification of joints or the classification of joints on the basis of range of motion is divided into 3 types that are as follows:
1. Freely movable joints: These are also called as synovial joints or diarthrosis, which means “through joints”. These are present in the appendicular skeleton. These are subdivided on the basis of their plane of movement.
2. Slightly movable joints: These are also called as amphiarthrosis, which means “on both sides joint”. It is either, cartilaginous or fibrous. It depends on the type of connections between the two bones (opposing).
3. Immovable joints: These are also called as synarthrosis, which means “together joint”. These joints can be either, cartilaginous or fibrous. It depends on the type of connections between the two bones. The two bones over the time, can even fuse or ossify.
Interaction of bones occur, wherever they meet at the articulations or joints.
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