Books are shelved in general subject categories using the Library of Congress classification system. You may want to supplement your use of the catalog with browsing shelf areas for your topic. Below is a brief listing of some of the subject locations in the field of health and exercise science.
ACSM's Primary Care Sports Medicine by 
The Athlete's Shoulder by 
Examination of Orthopedic and Athletic Injuries by 
Physical Rehabilitation of the Injured Athlete by This work is licensed under CC BY-NC-SA 4.0
