References
- Atwood JA, Nielsen DH. Scope of cardiac rehabilitation. Physical Therapy 1985; 65: 1812–1819
- Brown SP, Anderson ER, He Q, Liu S, Wu Whittle R. Physiological comparison and validation of stairobic stepping with bench stepping. Journal of Sports Medicine and Physical Fitness 1992; 32: 288–292
- Butts NK, Dodge C, McAlpine M. Effect of stepping rate on energy costs during stairmaster exercise. Medicine and Science in Sports and Exercise 1993; 25: 318–382