iguidekorea warmup rotator cuff2 Published December 17, 2016 at 2800 × 2800 in 4 Important Warm Up Concepts To Keep You Healthier and Stronger ← Previous Next → Keep your elbow bent at 90 degrees and then pull arm back as far as you can go and hold the position for a second. Alternate arms. iguidekorea warmup rotator cuff2