Sale, D. G., MacDougall, J. D., Jacobs, I., & Garner, S. (1990). Interaction between concurrent strength and endurance training. Journal of Applied Physiology, 68, 260-270.

Responses to concurrent strength and endurance training were assessed. Ss (M = 4; F = 4) trained one leg for strength and the other leg for strength and endurance. A second group (M = 4; F = 4) trained one leg for endurance and the other for endurance and strength. Endurance training used a cycle ergometer with five 3-min bouts of activity at an intensity of 90-100% VO2max. Strength training consisted of six sets of 15-20 repetitions with the heaviest weight possible on a leg press machine. Training was performed three times per week for 22 weeks.

Concurrent strength and endurance training did not interfere with strength or endurance development, the two improving independently.

Implication. Strength and endurance training can be performed concurrently.

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