You don't often hear anyone talking about how hard they hit their hamstrings at the gym. Leaving them out of your workout, though, is a big mistake, because they help you perform so many daily ...

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 ...