Wear and tear from daily activities and injuries are some of the most common causes of knee pain, but long-term knee pain can indicate an underlying health issue. Here, we group the most common ...

Symptoms. Rupture of either the quadriceps or patellar tendon causes pain (especially when you try to kick or straighten your knee). If you have a complete rupture, you can't straighten your knee.

The patellar tendons in 102 participants (204 tendons ... whether it is the vessels themselves or the presence of detectable blood in the vessels that causes pain. This study suggests that the ...

The Red Sox have announced that First Baseman Triston Casas has had a successful surgery to repair his left patellar tendon.