Runner’s knee pain, or patellofemoral pain syndrome (PFPS), is a common condition that causes pain around the kneecap (patella), typically in the front of the knee. This condition is often associated with repetitive stress or overuse, especially in runners or athletes who perform activities that involve frequent bending or high-impact movements. The pain occurs when the knee joint experiences strain from the improper alignment of the patella, which moves in the femoral groove, leading to irritation of the cartilage beneath the patella. While the exact cause can vary, common risk factors include weak quadriceps muscles, overuse, muscle imbalances, or even structural abnormalities such as flat feet or incorrect running form. An imbalance in the muscles around the knee joint can cause abnormal tracking of the patella, which aggravates the surrounding tissues and causes pain.
In addition to overuse, runner’s knee may also be triggered by changes in activity level or sudden increases in intensity, such as when a runner increases the distance or frequency of their runs too quickly. It is often worsened by prolonged sitting with the knee bent, climbing stairs, squatting, or jumping. Individuals with an uneven leg length, tight hamstrings, or those who run on hard surfaces may also be at higher risk. Proper footwear, strength training for the legs, and flexibility exercises can help reduce the risk of developing runner’s knee pain. In some cases, mechanical issues, such as patellar misalignment, can also contribute to the condition.
|