What best defines balance?

• A. Proprioceptive feedback
• B. Coordination of eye and hand movements
• C. Rapid directional changes
• D. The ability to keep an upright posture while standing still or moving

Answer: (D)

Balance is the ability to keep the body's center of gravity over its base of support, so you can stay upright whether you’re standing still or moving. It relies on sensing and integrating information from the eyes, inner ear, and muscles and joints to make continual postural adjustments. This definition covers both static balance (holding still) and dynamic balance (moving without falling). Proprioceptive feedback helps inform these adjustments, but it isn’t the full definition of balance by itself. Eye–hand coordination focuses on coordinating vision with limb movement, not maintaining posture, and rapid directional changes describe agility, not balance alone.