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 ...

Physical therapists are challenging the belief that tight hamstrings need more stretching, noting the muscle is often ...

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 ...

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 ...

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 ...

Your glutes and hamstrings aren’t just for looks—they’re the powerhouse behind walking, running, lifting, and protecting your back. Weakness or imbalance here can lead to tightness, pain, and higher ...

Hamstring strain injuries are among the most prevalent and persistently frustrating conditions in field sport. Understanding why they recur so readily is t ...

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 ...