The Muscles at the back of your thigh, hamstrings, are made up of three muscles: biceps femoris, semitendinosus, and ...

This exercise works the biceps and quadriceps while strengthening the core muscles. Step 1: Hold a dumbbell in each hand, with your arms down by your side. Balance on your left foot and lift your ...

A 10-minute workout? Consider us sold. Here’s the deal: One round of this workout will take you 10 minutes to complete, and all you need to get through it is a bench (or a really stable surface of ...