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Military personnel lead high-energy workouts. Also: tips on avoiding injuries.
Season 4, Episode 2
Three eight minutes or less workouts: 1) Arms 2) Back 3) Legs.
Season 4, Episode 1
Three 10 minutes or less routines: 1) Triceps & Core 2) Chest & Triceps 3) Full Body metabolic with descending reps. Also available in High Definition.
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