Shoulder Exercises

How to Do an External Rotation: Rotator Cuff Strengthener

Athletes aren't the only ones who need strong rotator cuffs. Strengthening this group of shoulder muscles can help anyone prevent shoulder stiffness and injury. An external rotation is one exercise that helps strengthen the rotator cuff.

Step 1

Assume start position as shown by attaching one side of your resistance tube to a steady bar or piece of equipment.

Step 2

While keeping upper arm still, rotate forearm away from your body.

Step 3

Return to start position.

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Lottie Olson is a nationally certified personal trainer with 10 years of experience in fitness and personal training. She graduated from the University of Wisconsin in Oshkosh with a B.S. in Exercise Science and Fitness Management.