Here's a great leg workout you can do to build mass. The key is to choose a weight that is challenging, but not too heavy that you lose your form. Click on the name of the exercise to see a video demonstration of how to perform it correctly.

 Mass Building Leg Workout

This is a great leg workouts for men. This workout features four leg exercises. Perform each exercise 12 to 15 reps for three sets while resting 60 seconds between sets.