HEP2go.com - Provides tools to create and share home exercise programs for patients or clients.
Physiopedia - Comprehensive, open knowledge resource; a "Wikipedia for the physiotherapy profession."
National Institute on Aging - Evidence-based resources for older adults, including detailed information on various types of exercises and their uses.
CornellHealth PT exercise videos (Cornell University)
The Hub - virtual reality for anatomy with some physiology
A Primer for the Exercise and Nutrition Sciences by 
ACSM's Exercise Management for Persons with Chronic Diseases and Disabilities by 
ACSM's Guidelines for Exercise Testing and Prescription by 
ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription by 
Cellular Physiology and Metabolism of Physical Exercise by 
Clinical Decisions in Therapeutic Exercise by 
Clinical Exercise Physiology by 
Exercise, Sport, and Bioanalytical Chemistry by 
Exercise Prescription for Medical Conditions: Handbook for Physical Therapists by 
Exercise Therapy in Adult Individuals with Obesity by 
Functional Anatomy for Sport and Exercise by 
Musculoskeletal Interventions by 
Nutrition for Sport and Exercise by 
Skeletal Muscle Structure, Function, and Plasticity: The Physiological Basis of Rehabilitation by 
Therapeutic Exercise: Foundations and Techniques by 
Therapeutic Exercise: Treatment Planning for Progression by 
The Role of Physical Exercise in Preventing Disease and Improving the Quality of Life by 
