Heres a more intense vertical split that allows you to use your upper-body strength to stretch your hamstring even more. Keep your lifted leg straight in order to effectively target the muscles in the back of the leg. Stand with your big toes

Heres a more intense vertical split that allows you to use your upper-body strength to stretch your hamstring even more. Keep your lifted leg straight in order to effectively target the muscles in the back of the leg. Stand with your big toes

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