physical interventions for patients and clients under a care plan established by and under the supervision of a physical therapist. Physical therapist assistants in the United States are currently trained under associate of applied sciences curricula specific to the profession, as outlined and accredited by CAPTE. As of August 2011, there were 276 accredited two-year (Associate degree) programs for physical therapist assistants In the United States of America. According to CAPTE, as of 2012 there are 10,598 students currently enrolled in 280 accredited PTA programs in the United States. Updated CAPTE statistics list that for 2015–2016, there are 12,726 students enrolled in 340 accredited PTA programs in the United States. Curricula for the physical therapist assistant associate degree include: Anatomy & physiology Exercise physiology Human biology Physics Biomechanics Kinesiology Neuroscience Clinical pathology Behavioral sciences Communication Ethics Research Other coursework as required by individual programs Job duties and education requirements for Physical Therapy Technicians or Aides may vary depending on the employer, but education requirements range from a high school diploma or equivalent to completion of a 2-year degree program. O-Net reports that 64% of PT Aides/Techs have a high school diploma or equivalent, 21% have completed some college but do not hold a degree, and 10% hold an associate degree. Some jurisdictions allow physical therapists to employ technicians or aides or therapy assistants to perform designated routine tasks related to physical therapy under the direct supervision of a physical therapist. Some jurisdictions require physical therapy technicians or aides to be certified, and education and certification requirements vary among jurisdictions. Employment Physical therapy-related jobs in North America have shown rapid growth in recent years, but employment rates and average wages may vary significantly between different countries, states, provinces, or regions. A study from 2013 states that 56.4% of physical therapists were globally satisfied with their jobs. Salary, interest in work, and fulfillment in a job are important predictors of job satisfaction. In a Polish study, job burnout among the physical therapists was manifested by increased emotional exhaustion and decreased sense of personal achievement. Emotional exhaustion is significantly higher among physical therapists working with adults and employed in hospitals. Other factors that increased burnout include working in a hospital setting and having seniority from 15 to 19 years. United States According to the United States Department of Labor's Bureau of Labor Statistics, there were approximately 210,900 physical therapists employed in the United