Repeat the series twice without any rest, for a total of 3 rounds.
1. Body-Weight Jump Squat: Lower your body until your thighs parallel the floor. Then jump as high as you can. Repeat for 20 seconds.
2. Body-Weight Squat: Do as many reps as you can in 20 seconds.
3. Isometric Squat: Lower your body until your thighs parallel the floor, and pause. Hold the position 30 seconds.
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