Exercises Dumbbell Side Lying External Rotation repmaxpro.comAugust 20, 2024084 views Dumbbell Side Lying External Rotation (on a Bench) Targeted Muscle Groups Primary Muscles:Infraspinatus:Teres Minor:Secondary Muscles:Deltoids (Posterior Head):Rhomboids and Trapezius: Equipment Needed Dumbbell:Flat Bench: How to Perform the Dumbbell Side Lying External Rotation: Step-by-Step Guide 1. Setup: 2. Starting Position:3. Engage the Core and Shoulder Muscles:4. Rotate the Arm:5. Top Position:6. Lower the Dumbbell:7. Repetition: Recommended Reps and Sets For Muscle Strength and Stability:For Rehabilitation and Maintenance: Pro Tips for Success Start with Light Weight:Focus on Form:Breathe Correctly:Engage Your Scapula: Common Mistakes to Avoid Using Too Much Weight:Allowing the Elbow to Drift:Moving Too Quickly:Lack of Core Engagement: Dumbbell Side Lying External Rotation Video