THE WORKOUT Here is Round 9 of the JRT GYM 500 Rep Challenge. Complete all reps of the following movements for a total of 500 Reps. 100 Double Unders25 Burpees75 Double Under50 Push Ups50 Double Unders75 Sit Ups25 Double Unders100 Mountain Climbers DESCRIPTION If you are unable to do jump rope Double Unders you […]
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