On Our Site:

Where Does It Hurt? Our clickable guide to managing an injury and preventing another one.

Body Links: Get Better! Our guides to better workplace ergonomics and fitness with guides for runners and a look at our Body Links to Better Golf program.

Terms and Therapies: A guide to the terms we use on the site and the therapies we use to help patients get better.

Manual Therapy: A layman's explaination of Manual Therapy Techniques.

Third Party References: Studies on the Efficacy of Manual Therapies:
From Texas PTS: Manual Therapy Shown to be More Effective than NSAIDS at Resolving Pain
From the Annals of Internal Medicine: A comparison of Manual Therapy, Physical Therapy, or Continued Care by a GP for Patients With Neck Pain.

On The Web:

The American Physical Therapy Association

Medscape from WebMD: a massive database of health information.

Southern California Orthopaedic Institute has patient educational articles here.

The Mayo Clinic is a simply amazing site with a fully searchable database, including full stretching and strengthening routines such as this one for your back.  Use the search function to type in "back pain" or "shoulder pain" to pull up a wealth of information on virtually any condition.