Interval Training Interferes With Quality of Strength-Training Workouts

Many power athletes and active adults practice concurrent training— aerobics and strength exercises— in the same workout. High-intensity interval training (HIIT) is an effective way to gain aerobic capacity and improve overall power. Brazilian researchers, however, found that practicing HIIT before a weight workout decreased strength performance, compared to a weight workout without HIIT. The quality of the weight-training workout is critical for building strength and lean muscle mass. This study showed that HIIT compromises workout muscle strength, which might reduce gains in muscle mass and strength. (Frontiers and Physiology, published online March 4, 2016)

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