It is also important to be aware of the degrees that are available to earn, and the length of the course of study. The final step before getting that first job to start a physiotherapy career is accreditation. The Commission on Accreditation in Physical Therapy Education (CAPTE) is tasked with ensuring that physiotherapists are fit for the licensing exam. Some sports injuries happen because something physically traumatic happens to your body. Someone runs into you as you run with the football towards the end zone, for example. Other times, it is simply a matter of the physical demands you put on your body. Physiotherapy is instrumental in the healing of many sports injuries. Another category geriatric physiotherapy deals with is cardiovascular disease, like heart disease and stroke. The physiotherapy professional has an array of tools at her disposal to work with these conditions. Exercise, aqua therapy, electrical stimulation, and more can be used. The third category is skeletal problems. They may be called in to consult with employers and ergonomics specialists about what changes need to be made to make the work environment acceptable for their patients. Work environments are safer than they once were. Ergonomics principles are used and in many cases are required by law to be used if requested by workers. While physical therapy aides can help with certain treatment tasks, it is the physiotherapist that assesses the condition of the patient. This person also plans the course of treatment and specific treatments like special exercises. This physiotherapist is the person to whom the patient will return for progress reports and who will oversee the work of the physical therapy aide. Strengthening exercises help the muscles provide more support to the joints of people with rheumatoid arthritis. If there is not enough muscle tone, the patient will have more trouble walking or doing other normal movements. The rheumatoid arthritis will dominate the movements instead of the muscles dominating them.