
Knee pain affects people of all ages, from athletes and active individuals to those dealing with wear and tear from daily life. The pain can be sharp and sudden or develop slowly over weeks and months. It might show up during specific activities like running or climbing stairs, or it might be present all the time, even at rest.
The way knee pain presents varies. Some people experience swelling and stiffness that makes it hard to bend or straighten the leg. Others feel instability or a sense that the knee might give out. Sharp pain on the inside or outside of the knee, aching behind the kneecap, or pain that worsens with impact are all common. You might also notice clicking, popping, or grinding sensations when you move.
What Causes Knee Pain?
Knee pain has many possible sources:
-
Ligament sprains or tears, including ACL, PCL, LCL and MCL injuries
-
Meniscus tears or cartilage damage
-
Patellofemoral pain syndrome, often called runner's knee
-
Tendinitis or inflammation of the tendons around the knee
-
Osteoarthritis or degenerative joint changes
-
Bursitis or swelling of the fluid-filled sacs in the knee
-
IT band syndrome or tightness affecting knee alignment
-
Muscle weakness or imbalances in the hips, quads, or glutes
-
Previous injuries that didn't heal properly
The trigger might be obvious, like a sports injury or a fall. Or it might develop without warning, tied to changes in activity, footwear, or movement patterns.
When Knee Pain Becomes Chronic
Most acute knee pain responds well to early intervention and movement modification. But when pain persists beyond a few months, it often becomes more complicated. Chronic knee pain can involve not just the joint itself but also how the entire leg and hip function together. Weakness, compensatory movement, and increased sensitivity can all play a role. Left unmanaged, chronic knee pain can affect your ability to stay active and maintain your quality of life.
When to Seek Help
Knee pain doesn't have to stop you in your tracks before you address it. If your knee is limiting your ability to exercise, work, or move comfortably through your day, that's reason enough to get it checked.
Living With Knee Pain
Knee pain responds well to assessment and targeted treatment. Most people can reduce their symptoms, restore function, and return to the activities they care about. At Kevlar Performance & Rehab in Burlington, we work with people dealing with knee pain to help them move better and feel better.
