PT on the Net Research

Shoulder Rehab - AC Joint Separation


Could you give me some information on AC Joint separation (i.e., the best post rehab exercises, what problems to expect in the future regarding joint ROM, flexibility and how best to counteract them)?


Of course, a medical clearance is vital prior to commencement of any training when dealing with an injury of this nature. Concerning the shoulder girdle, there are specific muscles prone to tightness and reduced ROM that can be identified through a few basic assessments.

Some muscles prone to tightness at the shoulder girdle include: 

The following assessments can be used to address the tightness: 

Overhead Squat Assessment:

Active ROM Assessment:

Possible Exercises:

Please refer to the Exercise & Flexibility Library for descriptions. 


  1. Clark MA. "Integrated Training for the New Millennium." Thousand Oaks, CA The National Academy of Sports Medicine; 2001.
  2. Clark MA. "Essentials of Integrated Training Series." 2002. Personal Training on the Net,
  3. Kendall; McCreary; Provance. "Muscles Testing and Function." Fourth Ed. 1993.