Resistance-Band 90-Degree External Rotation
Strengthen rotator cuffs with Resistance-Band 90-Degree External Rotation. Improve shoulder stability & prevent injury. Simple, effective exercise.
The Resistance-Band 90-Degree External Rotation mainly works the shoulders and back. You'll need: resistance bands.
Required Equipment

Resistance-Band 90-Degree External Rotation Muscles Worked
Primary
Rotator Cuff (infraspinatus); Outer Lats (teres major)
Secondary
Lats (latissimus dorsi); Rear Shoulder (Delts) (posterior deltoid)
Resistance-Band 90-Degree External Rotation Variations and Alternatives
How to do the Resistance-Band 90-Degree External Rotation
Resistance Band 90 Degrees External Rotation
Starting Position:
Stand with your feet shoulder-width apart.
Hold the resistance band with one hand, keeping your elbow bent at a 90-degree angle and your forearm parallel to the ground.
Your elbow should be close to your side.
Setup:
Anchor the other end of the resistance band to a stable object at waist height. This could be a pole, an immovable door handle, or anything sturdy enough that can support resistance.
Ensure there is some tension in the band at the starting position.
Movement:
Slowly rotate your arm outward, away from your body, while maintaining the 90-degree angle at the elbow.
Keep your elbow close to your side throughout the movement to isolate the shoulder muscles.
Return:
After reaching the end of your comfortable range of motion, pause briefly.
Slowly return to the starting position, controlling the movement to maintain tension in the band.
Repetitions:
Perform 10 to 15 repetitions on one side before switching to the other side.
Aim for 2 to 3 sets.
Tips:
Focus on control rather than speed; this helps to engage the correct muscles effectively.
Make sure to maintain good posture throughout the exercise, keeping your core engaged and your shoulders relaxed.
If the resistance is too much, step closer to the anchor point to reduce tension. If it’s too easy, step further away for more resistance.
Resistance-Band 90-Degree External Rotation FAQs
What muscles does the Resistance-Band 90-Degree External Rotation work?
The Resistance-Band 90-Degree External Rotation mainly works the shoulders and back. The main muscles are the infraspinatus and teres major.
What equipment do you need for the Resistance-Band 90-Degree External Rotation?
Resistance bands.
What workout day should the Resistance-Band 90-Degree External Rotation go on?
It belongs on pull day in a push/pull/legs routine.
What are some Resistance-Band 90-Degree External Rotation variations and alternatives?
Similar exercises include the Cable Kneeling Shoulder External Rotation, Cable 90-Degree Shoulder External Rotation, Dumbbell Supported Shoulder External in Rotation and Dumbbell Standing Shoulder External 90-Rotation.
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