Hamstrings are the muscles in the back of your leg that help you bend your knee and straighten your leg. They are some of the strongest muscles in your body, and they are important for many activities, such as running, jumping, and kicking. Hamstring injuries are common, especially in athletes. You can help prevent hamstring injuries by stretching regularly and strengthening your hamstrings.
The football player tore his hamstring.
Noun: hamstring.
Adjective: hamstringed.
Verb: hamstring.
The word "hamstring" comes from the Old English word "ham", which means "the back of the thigh" and "string", which means "a tough, strong cord". The word was first used in English in the 14th century to refer to the tendons at the back of the thigh.
What is a hamstring?