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Plank, Crunch
07/01/20
Plank, Crunch
Alternate between a plank and crunches:
Hold plank for 15 seconds, 5 crunches
Hold plank for 15 seconds, 4 crunches
Hold plank for 15 seconds, 3 crunches
Hold plank for 15 seconds, 2 crunches
Hold plank for 15 seconds, 1 crunch
Rest for 30 seconds
Repeat 5x
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