Appropriate shoulder rotation is essential for overhead athletes; I want to discuss this in the context of volleyball. My bread and butter. Think of a volleyball player hitting a cut shot or winding up to swing away at a set. You will see a great amount of external rotation during the cocking phase (the middle frame in the photo above). The greatest demand for internal rotation range of motion would be the follow through for a cut shot or “thumb down." The amount of shoulder rotation range of motion for a volleyball player is that of a normal individual but you need a balance of range of motion, strength and control. A quick side note worth mentioning: as an overhead athlete, you are likely to have greater range of motion in external rotation and less internal rotation. This is normal due to the demands of your sport. The baseline that we look for is that total range of motion side-to-side is the same. So you may look like the guy on the right in the picture below. It is also common for volleyball players to demonstrate greater internal rotation rather than external rotation strength, which may lead to injury down the road if the ratio becomes too skewed. Let’s go through the steps of an arm swing and see where a weakness may be and how to address it:
Check your external rotation by laying on your back, arm out to the side and elbow bent. See how far you can drop the back of your hand down to the floor. Lacking here? Try this out: Subscap Smash
The shoulder joint is one of the most complex in the body due to its high mobility demands that compromises the stability. For volleyball players, shoulder maintenance is key for longevity, pain-free function, power and control. I broke the attack down very simply to highlight a few major areas of weakness that is often found in volleyball players. Give these mobility and strengthening exercises a try and see what works best for you. At Athletes’ Potential, we believe that self-maintenance should be the first step toward managing pain and recovering properly. But if you have a nagging volleyball shoulder and cannot seem to find that silver bullet, give us a call! Thanks for reading, Dr. Jackie, PT, DPT
1 Comment
9/20/2016 01:55:56 am
I have a lot of friends who loves volleyball and I love getting into fitness also. Everytime, they have training, they asked help from me and I give them some exercise to help them in their game. I can add this shoulder rotation. Thanks a lot.
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