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 ...

Hamstring tightness occurs when the muscles on the back of the thighs become shortened due to injury, sitting for long periods, muscle overuse, or a history of inactivity. The hamstrings consist of ...

Hamstring exercises include the deadlift, hamstring curl, Bulgarian split squat. To avoid injury, warm up your hamstrings before working out with mobility exercises like toe touches. Recovery is key ...

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 ...

Tight hamstrings are an incredibly common complaint among runners, whether they spend their time at a local parkrun, are getting ready for their next 10K race or are training for a marathon. Actually ...

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 ...

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 ...