Watch Legs of Steel for Free: How to Stream the Movie Online at 123Movies. . Make the most of your legs. You'll strengthen, tighten and tone the inner and outer thighs, quadriceps, hamstrings and calves. Hips and buttocks too! This program was designed so you will never be on your knees. It's safe, yet challenging and you'll love the results! The best overall leg workout available! Try it with ankle weights too!