Sitting with your shoulders rounded forward most days can raise your ... are the broad V-shaped muscles of your back. They help move your arm back and toward your body — think of the motion ...

There are also key health benefits that come from working out your arm muscles ... Don’t sway, lean forward, or arch your back as you bring them up. Keep your core engaged and your back straight.

Move one foot back, so that the edge of the step is running across the arch/ball of the foot. Before the movement, ensure the foot is with toes pointing forward and heel over the edge of the step.

Do not try to return to your previous level of physical activity until you can: Look over both shoulders without pain or stiffness Rock your head all the way forward and all the way back without ...