50-40-30-20-10 reps for time of:
GHD sit-ups
Wall-ball shots
♀ 14-lb. ball to 9-ft. target
♂ 20-lb. ball to 10-ft. target
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Training the GHD Sit-Up Haz click aquí para verlo
In this exercise, the abs are maintaining midline stabilization against the force of the hip flexors pulling the athlete back to seated.