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A trainer demonstrates a core-focused upper-body move that requires straightening and bending your body fully while keeping one leg and arm rigid, then executing a controlled bend into the left knee for proper alignment and strength.
A trainer demonstrates a core-focused upper-body move that requires straightening and bending your body fully while keeping one leg and arm rigid, then executing a controlled bend into the left knee for proper alignment and strength.
Straighten and bend. All the way down, all the way up. You're going to hold that leg super straight, that arm straight, bending into your left knee.
