Essential Physical Requirements -- Must be able to perform all essential physical aspects of the position which may include standing, sitting, running, walking, jumping, squatting, bending, and reaching, as well as pushing, pulling and lifting up to 50 lbs in the course of normal studio operations and/or demonstrate the workouts to members. The certification is a national EMS certification and may be accepted as continuing education credits for some national fitness certification organizations, making it much easier to maintain your certification there.