Monitoring Progress: Heart Rate, Timing, and Performance Metrics in HIIT
Introduction High-Intensity Interval Training (HIIT) has revolutionized the fitness world by offering a time-efficient method to improve cardiovascular endurance, build muscle strength, and enhance metabolic function. The format of HIIT—alternating brief bursts of maximum or near-maximum effort with periods of recovery—challenges the body in unique ways that elicit rapid physiological adaptations. However, one of the …
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