What is the clinical purpose of estimating limit of stability using forward reach tests or computerized posturography?

• A. To gauge fall risk and balance capacity.
• B. To measure flexibility.
• C. To assess cognitive function.
• D. To determine cardiovascular fitness.

Answer: (A)

Estimating limit of stability with forward reach or computerized posturography focuses on balance control and the ability to maintain stability while the body shifts toward the edges of its base of support. The farther a person can reach forward without losing balance or taking a step, the larger their limit of stability, indicating better balance capacity. In computerized posturography, how the center of pressure moves and how sway is controlled across different sensory conditions provides objective insight into neuromuscular control and sensory integration. Clinically, this helps identify individuals at higher fall risk and guides rehabilitation goals and safety planning. It isn’t about flexibility, cognitive function, or cardiovascular fitness, which involve different capacities.