at a similar speed (24). The average stride length of 0.78 t 0.05 m stride i was similar to the stride length of 0.78 t 0.04 m stride i found in adults 18-65 years of age by Bassett et al. (3) when participants walked at a speed of 94 m min 1. The average walking speed of 89.7 t 10.3 m min i was slower than the average observed walking speed of recreational walkers aged between 21 and 74 years (96.0 t 14.4 m min 1), and brisk