Also important are courses in fields like psychology and social science. To choose a school to prepare one for a physiotherapy degree, it is wise to consider whether that school offers clinical experiences as a part of the training. It is also important to be aware of the degrees that are available to earn, and the length of the course of study. Physiotherapy offers some relief to these patients. Guillain Barre Syndrome is one of the types of neurological conditions that affect the brain and spinal cord too. It is a case of the person's own immune system attacking outside these areas. It can be severe enough to require emergency hospitalization. Heel slides are exercises for ACL sports injuries that are easy to understand, but may be painful to do at first. One simply lies on the bed or floor with the foot down. Then, one slides the foot slowly towards the buttocks until it hurts a little, and slides it back. This and the other exercises help prepare the knee for surgery or to heal without it. There is a problem with one of the muscles of the neck so that the child is not able to hold his head up straight. The head will be tilted to one side. This chin will jut out on the opposite side of the neck. Physiotherapy can stretch this muscle so that the child can hold his head more normally. Spinal cord injuries as pediatric disorders are difficult to treat. This can relieve much pain and tension in the muscles that are overworked in getting used to their new situation. Other treatments can be used. Some of them are heat, acupuncture, ultrasound, and electrical stimulation. There is a need for physiotherapy in amputee rehabilitation that no other discipline can fill. Physiotherapy of different types can be used to treat lower back pain. Acupuncture is fast becoming an important method for the relief of such pain. The doctor has the patient lie face-down and inserts the acupuncture needles across the back. The doctor then finishes the procedure for lower back pain.