HIIT Plus Weight Training Improves Aerobic Capacity and Strength

A series of studies since the 1980s has shown that aerobic training interferes with strength when strength and aerobic programs are practiced simultaneously. However, Greg Cantrell and colleagues from the University of Oklahoma found that practicing high-intensity interval training (HIIT) with weight training improved maximal oxygen consumption by nearly 10 percent and upper and lower body strength. A similar study by Mike Smith and co-workers showed that CrossFit training, involving high-intensity resistance training and aerobics, also caused positive changes in aerobic capacity, strength and body composition. (European Journal of Applied Physiology, published online January 5, 2014)

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