Add Yahoo as a preferred source to see more of our stories on Google. Continue reading to learn why you need a hamstring workout and which key exercises you need to do to build strong, resilient legs.

Your hamstrings are made up of three muscles: the biceps femoris, semimembranosus, and semitendinosus. And they work hardest when you pull your leg up from the bottom of the pedal stroke. But they’re ...