Ystrom, L., & Tesch, P. A. (1966). Effect of acute endurance exercise on muscle glycogen content and performance during subsequent resistance exercise. Medicine and Science in Sports and Exercise, 28(5), Supplement abstract 128.

The effect of a single session of endurance exercise (45 min of elbow extensor activity) was related to heavy-resistance exercise (12 sets of 8-12 repetitions to failure).

Resistance performance was reduced by an average of 12% after endurance exercise. It was not shown if the reduction was due to glycogen depletion.

Implication. Resistance training should be performed prior to endurance training if its principal benefits are to be incurred.

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