The 20-Minute Workout
Six exercises scientifically proven to get you strong and fit―fast.
The Super-Crunch: Variations
1. Keep your legs in the air and lift your hips only off the floor for two counts, bringing knees toward chest; return to
the starting position for two counts. Do eight reps, holding the last one for eight counts, then pulsing up for eight counts
before lowering to the start position.
2. Next, lift both upper and lower body, as shown, for two counts, then lower for two; do eight reps. Hold the last rep for
eight counts, then pulse eight times.
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