| 22 July 2010
Are you tired of not being able to get your first serve in? The problem may not be your tennis skills or lack thereof. It could be your body. I often find that my tennis athletes suffer from anterior glenohumeral migration or shoulder subluxation. In English, this means your shoulder and or posterior ribcage are out of alignment.
Your shoulder is only as strong as the parachute that slows it down. That parachute is the muscles that make up your posterior shoulder girdle and upper back. Essentially, it works like this... you can only hit the ball as hard as your upper back muscles will allow. If you override the muscles in this area, your shoulder will slide forward in the socket and start to create dysfunction. The dysfunction is often evidenced by not being able to hit those lines with your serve or generalized shoulder soreness. A good functional shoulder evaluation will help diagnose whether this is the cause of your shoulder problems. 

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