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Components of balance (static and dynamic)
- 2. WHAT IS BALANCE? • Control of centre of mass over the base of support. • The overall goals of balance is to control system stability, function and integrated CNS control.
- 3. COMPONENTS OF BALANCE • The 3 components of balance comprise of the : 1. Visual system 2. Proprioceptive system 3. Vestibular system
- 4. • The brain integrates and processes all the information from these 3 systems to help us maintain our balance. • When you start to have problems with your balance one or more of the above systems might be affected.
- 5. VISUAL SYSTEM Receptors in the retina are called rods and cones. When struck by light, the receptors send impulses to the brain that provide visual feedback on how a person is oriented relative to other objects .
- 6. VESTIBULAR SYSTEM • The vestibular system in each ear is made up of the utricle saccule and 3 semicircular canals .The utricle and saccule detect up down and side to side movements .The semicircular canals detect rotational movement.When the head rotates in the direction sensed by a particular canal, the receptors in that canal sends impulse to the brain about movement.
- 7. • When the vestibular organs on both sides of the head are functioning properly.They send symmetrical information to the brain.
- 8. PROPRIOCEPTIVE SYSTEM • Sensory/ Mechanoreceptors from the skin,muscles and joints are sensitive to stretch, pressure and movements. • With any movement of the body, the receptor respond by sending impulses to the brain which then interprets this movements. • This is how even with your eyes closed you can tell if your elbow is straight or bent or which way your head is turned.