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London Bridge
Performing the: A Step-by-Step Tutorial London Bridge
Extend your right arm forward and your left leg back, keeping them in line with your body and parallel to the floor.
Then, slowly bring your right elbow and left knee together under your body, rounding your back and contracting your abs.
Extend your arm and leg back out, returning to the original position.
Repeat the exercise for the desired number of repetitions, then switch sides and perform the same steps with your left arm and right leg.
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