As a physical therapist assistant, you are a member of a health care team working under the supervision and direction of a physical therapist You may administer different kinds of treatment to decrease pain, including hot packs, ultrasound and electrical stimulation Physical therapist assistants help patients perform exercises to increase strength and motion They teach patients how to ambulate with assistive devices like crutches and canes, and instruct in walking with braces and artificial limbs Excellent clinical skills and communication interpersonal skills are essential for this career