Angular motion either increases or decreases the between two bones. these movements may occur at many of the joints. they include the following specific types: (decreasing or increasing the angle between bones), (extension past anatomical position), (bending of the spine to the side in a coronal plane) , (moving a bone into or away from midline), and (the distal end of a limb moves in a circle).

1. ANGLE

2. SYNOVIAL

3. FLEXION and EXTENSION

4. HYPEREXTENSION

5. LATERAL FLEXION

6. ADDUCTION and ABDUCTION

7. CIRCUMDUCTION

Explanation:

° Anatomically, ANGULAR MOTION is generated as result of changes in angles between bones of a joint.

° For bones that are being attached together at joints to move and glide upon each other freely without friction, there needs to be a lubricant between them . This lubricant is called SYNOVIAL FLUID and the space between them is called SYNOVIAL CAVITY.

Hence, Movement of bones at angles occurs the SYNOVIAL JOINTS.

° FLEXION occurs when the angle of the bone decrease e.g upward movement of the forearm at the elbow region.. The opposite is true for EXTENSION . As the name implies, it's simply occurs when the angle of the bone increases.

° HYPEREXTENSION , "HYPER" means an increased state of activity. Anatomically, HYPEREXTENSION is the extension past anatomical position.

° In a Coronal Plane , a body is divided into Dorsal and ventral part giving rise to a LATERAL VIEW.

The bending of a spine decrease the angle of the bone, as such, LATERAL FLEXION takes place.

° ADDUCTION is the movement of a bone to the midline of the body while the opposite is true for ABDUCTION (i.e movement of a bone away from the midline of the body). A typical example of this can be demonstrated by the lower mandible jaw.

° CIRCUMDUCTION is the conical(because the circular movement forms a cone) movement of a limb extending from the joint at which the movement is controlled.

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