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Showing posts from January 26, 2011

MOVEMENT TYPES OF MUSCULAR SKELETAL SYSTEM - LESSON 230

Now let us learn about some of the muscular actions and their meanings. As a human being we live with movements using our muscles and bones of different kinds. Each muscle contracts and expands in combination with bone corresponding to the muscle attached to it, and so we can move easily in a smooth manner. These movements are as follows. They are flexion, extension, abduction, adduction, rotation, dorsiflexion, plantar flexion, supination, and pronation. As a medical transcription aspirant, we should know about these movement types and should have a good understanding about them. We will see the explanation of each movement type one by one now. 1. For ‘flexion’ the term means lessening or decreasing the angle between two bones or bending a limb. 2. For ‘extension’ the term means increasing or to make much the angle between two bones or straightening out a limb. 3. For ‘abduction’ the term means the movement or acting away from the midline of the body. 4. For ‘adducti