Sinding-Larsen and Johansson Syndrome
Sinding-Larsen and Johansson Syndrome is a knee injury that is particularly prominent in growing adolescents (between the ages of 10 and 15) who are heavily engaged in sports. It arises when the growth plate at the low end of the kneecap (patella) becomes inflamed, due to the relatively fragile nature of the growth plate's cartilage which is far more prone to injury than mature bones.
Symptoms of Sinding-Larsen and Johansson Syndrome
Pain located primarily near the bottom of the kneecap. This is usually accompanied by tenderness in the area and possible swelling. The knee can become very painful to use as a result, and these symptoms are most regularly preceded by a traumatic incident or noticeable knee strain during activity. Limping may occur as a result, and the pain is likely to be worse after a period of exercise or when extending the leg against pressure (such as in sprinting, jumping, heavy lifting or climbing stairs).
Causes of Sinding-Larsen and Johansson Syndrome
The condition is caused through great and concentrated stress and tension on the growth centre of the affected knee. As mentioned, this usually occurs during periods of adolescent growth, which can provoke further factors like excess tightness of the quadriceps (front thigh) muscles that in turn adds strain to the growth plate. The most common cause is overuse of the knee, which means the athlete continues to train for too long or inappropriately, such as by exercising when the muscles are weak or by neglecting to stretch and strengthen the leg muscles properly. This causes more pressure to build on the knee, where otherwise it would be dispersed throughout the muscles.
Treatment for Sinding-Larsen and Johansson Syndrome
The doctor will examine the knee and may conduct a test such as an ultrasound scan in order to assess the patellar tendon and surrounding cartilage. They might prescribe a support for the kneecap like a brace or band. The injured party must rest from strenuous leg activities and not try to continue with the pain, as this can further damage the knee and extend the recovery period. Rest allows the inflammation to heal, and applying ice to the area approximately 3 times per day can help to diminish the pain.
Rehabilitation from Sinding-Larsen and Johansson Syndrome
The amount of time needed for recovery will depend on the speed of the knee's healing, which can be measured through successful diminishing of the symptoms. Only when the sufferer can walk, run, jump and stretch without pain should a return to activity be contemplated, and when all other symptoms have also cleared up. The doctor will be able to recommend a suitable period to begin some light stretches, which can help to relieve tight muscles as well as gradually build up strength and motion in the injured leg.
Prevention of Sinding-Larsen and Johansson Syndrome
Avoiding the pitfalls of overuse can be especially important for an athlete going through adolescence. Warm ups should be active and last at least ten minutes to ensure effective blood circulation to the muscles; this increases their flexibility and can decrease the chances of strain and other problems. You should also regularly stretch all important muscles in order to combat muscle tightness and unnecessary pressure.
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