
Runner's knee - the Big 5 - the 5 most common running injuries
Runner's knee
Definition: A softening or wearing away and cracking of the cartilage under the kneecap, resulting in pain and inflammation. The cartilage becomes like sandpaper because the kneecap is not riding smoothly over the knee.
Symptoms:
Pain beneath or on the sides of the kneecap crepitus (grinding noise), as the rough cartilage rubs against cartilage when the knee is flexed. Pain is most severe after hill running. Swelling of the knee.
Causes:
Overpronation (feet rotate too far inward on impact) - can cause the kneecap to twist sideways fatigued or weak quadriceps muscle. The quadriceps muscle assists in the proper tracking of the kneecap. Weakness, especially of the inside part of the quadriceps, can prevent the kneecap from tracking smoothly muscle imbalance - between weak quadricepsand tight hamstring and iliotibial band (ITB). Muscles can also affect proper tracking hill running (especially down hills) and running on cambered surfaces. Incorrect or worn shoes. Overtraining.
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