This article is going to show how u can do weight watchers for free, but first off, lets see why weight watchers is so successful. The 4 pillars of success; Food, exercise, behavior & support.
1 Hip muscles. Lunges work all of the gluteal muscles in the hips, primarily the gluteus maximus that is used to extend your hips. Taking large steps during a lunge can further engage this muscle. The gluteus minimus and gluteus medius are also used to stabilize your body throughout the lunge.  Thigh muscles.
Why They Rock: Like squats, lunges work most of the muscles in your legs including your quads, hamstrings, glutes and calves. How to Do It: Stand in a split-stance (one leg forward, one leg back). Bend knees and lower body into a lungeposition, keeping the front knee and back knee at 90 degree angles.