Maximize HIIT With Metabolic Strength Conditioning

Exercise intensity is typically presented as a percentage of heart-rate reserve, maximum heart rate or VO₂reserve, but this method often yields mixed results. A new ACE-commissioned study compared the effectiveness of two exercise-training programs for improving cardiorespiratory fitness: the ACE three-zone training model versus the more common relative-percent method. Read on to learn their findings and how to apply them.

Power or explosive exercises are most often used to enhance athletic performance, but they also can provide many useful benefits for clients of all fitness levels. Whether your clients are competing at an elite level or just want to remain injury-free for their favorite leisure-time activities, learn why power exercises can deliver big results in less time.