The semitendinosus is one of the four muscles in the hamstring muscle group. The others are the semimembranosus and the biceps femoris. The semitendinosus is the longest of these muscles, and it runs ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. For strong, powerful ...

Your hamstring is a group of three muscles along the back of your thigh. These muscles help you bend your knee and straighten and rotate your leg. If the muscle fibers or tendons that connect your ...

The hamstring muscles are often overlooked, yet they play a pivotal role in exercise performance and mobility. Though you’ve probably seen fitness gurus sharing their intense hamstring workouts, you ...

Hamstring injuries mostly occur during activities like sprinting and soccer. People aged 16-25 are more likely to injure their hamstrings due to varying growth rates of muscles and bones. Applying ice ...

Hamstring pain can be sharp or cause tightness in the back of your thigh. Your hamstring is a group of three muscles on the ...

The three large muscles at the back of your thigh are known as the hamstrings. They join the hip joint to the knee joint. You’ll use your hamstrings a lot in any activity that requires you to bend ...

The hamstrings tend to get a lot of love during a stretch routine (who doesn’t have tight hammies?). When it comes to strength training, though, the quads and calves steal most of the spotlight — ...

Hamstring cramps may have a variety of causes, such as muscle strain, mineral deficiency, or dehydration. Treatment and prevention techniques include stretching and massaging, among others. Hamstring ...

Dana Santas, known as the “Mobility Maker,” is a certified strength and conditioning specialist and mind-body coach in professional sports. She is also the author of “Practical Solutions for Back Pain ...