Frequently (25-75% of the time) performed tasks: Standing, sitting with and without back support, walking, reaching (overhead, forward, lateral, and low), crouching, balancing, lifting 5-25 pounds, carrying 5-10 pounds, and pushing up to 75 pounds. Evaluates and treats patients by physical measures and the use of therapeutic exercises and rehabilitation procedures (with or without assistive devices) for the purpose of preventing, correcting, or alleviating disabilities.