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HIIT keeps the heart rate elevated while pushing the metabolic system into an oxygen deficit. The primary benefits include:

Unlike traditional 90-minute gym sessions, the typically lasts between freeze240209jennifermendezhardworkoutxx best

| Benefit | Explanation | |--------|-------------| | Increased muscle recruitment | More motor units activated during holds | | Joint-friendly | No explosive momentum, safer for tendons | | Mental toughness | Forces you to embrace discomfort | | Time efficiency | 30-second freeze = 5–8 regular reps | HIIT keeps the heart rate elevated while pushing