Learn about the normal range of motion for shoulder flexion, extension, abduction, ... also referred to as external rotation — and the normal range of motion for a healthy shoulder is 90 degrees.

Standing Hip and Shoulder Abduction. by The Editors of Women’s Health Published: Nov 28, 2007 10:26 PM EST. ... extend your left leg out to the side at about 45 degrees. Return to starting position.

They’re active in moves like lateral leg raises and shoulder raises. One abduction-based exercise you probably already ... bending right knee and lowering until right knee is bent to 90 degrees.