The squat is the gold standard leg exercise either done with weights, no weights, tubing, and/or weighted balls. The benefits are many—from sports skills improvements to maximize caloric expenditure.

The hamstring muscles are responsible for your hip and knee movements in walking, squatting, bending your knees, and tilting your pelvis. Hamstring muscle injuries are the most common sports injury.

A number of Premier League players – including Arsenal’s Kai Havertz and Chelsea’s Nicolas Jackson (above) – have suffered hamstring injuries in recent weeks. With the help of Matt Konopinski, ...

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 ...

Distance runners have always known they need not look like super-muscular sprinters or body builders. Bulging muscles don't improve performance; they make you big and bulky when you want to be lean ...

Background Hamstring injury is the single most common injury in professional football. MRI is commonly used to confirm the diagnosis and provide a prognosis of lay-off time. Objective To evaluate the ...