Key Responsibilities Implement treatment goals, plans, and programs as established by the supervising Physical Therapist, including posture training, strengthening exercise, endurance/cardiac training, balance and coordination exercises, joint mobility, muscle lengthening, pain relief, and functional skills training. Administer therapeutic modalities including ultrasound, iontophoresis, hot/cold packs, whirlpools, paraffin bath, fluidotherapy, and TENS units; monitor patient response and intervene as necessary.