Medically reviewed by Amy Kwan, PT Key Takeaways Patellar tendonitis happens when the tendon becomes inflamed and irritated.

Does it seem like the number of people you know who have sustained knee injuries has increased recently? That's likely ...

Your knee is a complex piece of equipment: Bones, cartilage, ligaments, tendons, and muscles meet at or help to form the knee, and any of these could be involved in knee pain. "There are a number of ...

Wall sits strengthen your quadriceps, knee caps, and quadricep tendons. Doing hamstring curls boosts knee strength and lowers stress and injury risk. Clam shells target your gluteus medius and minimus ...

Knee strains involve a tendon or muscle tear around the knee. Symptoms can include cramping, spasms, swelling, and bruising. A knee strain can happen due to twisting, overuse of the muscle, or an ...

The knee is one of the most important joints. It enables you to walk, squat, and climb steps. A knee sprain can seriously affect your quality of life by making these everyday movements difficult and ...

Knee conditions or injuries can cause pain in different parts of the knee. The location of pain can help determine which knee condition a person has. People may have pain above, below, behind, or at ...

Common causes of pain above your knee include quadricep or hamstring tendonitis, arthritis, and knee bursitis. Your knee is the largest joint in your body, formed where your femur and tibia meet.

If you have swollen, painful knees that are tender to the touch, you may have knee bursitis. Knee bursitis is very common among people ages 40 to 60. Even so, many adults don’t know how to recognize ...

Taylor Fritz enjoyed a remarkable 2025 on the ATP Tour. He claimed titles in Eastbourne and Stuttgart on grass courts.

Merete Juhl Koenig, The Parker Institute, Frederiksberg Hospital, Nordre Fasanvej 57, DK-2000 Frederiksberg, Denmark; merete.koenig{at}frh.regionh.dk Background Anterior knee tendon problems are ...