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MediumAbout 5 minOn your own
Holding a weight straight up while rolling onto your side. Builds a steady shoulder with the arm overhead.
Video: Muscle & Strength
Lie on your back with a light kettlebell pressed straight up over one shoulder. Bend the knee on the same side, other leg straight, free arm out on the floor.
You need: A light kettlebell or dumbbell
Hold a light dumbbell, or just hold the top position on your back.
Longer holds.