A hamstring tendon injury refers to damage or strain to the tendons located at the back of the thigh, which connect the hamstring muscles (biceps femoris, semitendinosus, and semimembranosus) to the pelvis and the bones in the lower leg.

Cristiano Ronaldo suffered a hamstring tendon injury during Al-Nassr’s win over Al-Fayha. Here’s what this common sports injury means, including symptoms, recovery timeline, treatment options, and how long healing usually takes.