Why: Works the backside of the body, which is essential for preventing low-back injury.
How: Assume an all-fours position. Extend your right arm forward and your left leg behind your body to form a straight line with your back. Lower your arm and leg to the ground to return to the starting position. Repeat on the opposite side and continue in alternating fashion for the specified number of reps.
Sets/Reps: 2×5 each side
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