Pain in the back of the knee while walking can have various causes, some more serious than others. Common causes include muscle or tendon strains, Baker's cysts, and osteoarthritis.

Tendonitis: The hamstring tendons connect behind the knee. When the tendons become inflamed due to overuse, they can lead to swelling and pain that worsen with activity.

March-Andre ter Stegen missed nearly all of last season because of a tendon rupture in his knee, and in 2023 he missed about ...

BOSTON — Boston Red Sox first baseman Triston Casas suffered a ruptured tendon in his left knee and is out for the remainder of the season, the team said. The 25-year-old Casas ruptured his ...