Exercise Library

Exercise Library

Category: Upper

Shoulder ER / IR Isolation

Take a band with medium to low resistance and clip/wrap it securely around a stable post at elbow height. Grab the end of the band with the arm. Have the arm at the side with the elbow bent at 90 degrees. Step out sideways away from the post without letting the hand drift back towards the post.

Shoulder ER / IR Isolation

How to perform:

Shoulder ER / IR Isolation

This exercise is excellent at assessing and training the rotator cuff muscles in isolation. The musculature of the rotator cuff can often be weak or imbalanced, leading to strains and/or poor shoulder mechanics and posture. It can be used in one of two positions depending on the function and muscles that need to be strengthened.

 

To set both variations up, grab a medium to low resistance band and secure it to a post or door handle at elbow height.

 

One of the functions of this exercise is to strengthen external rotation of the shoulder. For this variation, grab the end of the band and turn so that the arm holding the band is on the opposite side of the body from the post. The body should be pointing in a perpendicular direction from the line of pull from the band. With the arm at the side, bend the elbow at 90 degrees so that the fist is pointing straight forward. This is the same position that we use for strengthening internal rotation of the shoulder, except for IR, the band is held in the arm closest to the band. From here, step out sideways until the band has tension. The arm is going to want to drift into the pull of the band, but the point of the exercise is to be able to keep the arm in the same orientation the whole time. For beginners, hold this position for time. The advanced version would be to, while holding, step out away from the post and back in for reps.

Protocol:

Complete 20-40 second hold or 2-3x 15 step outs

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