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.
Side Lunges. Side lunges work your abductors, hamstrings and quadriceps. Stand with your feet hip-width apart and your arms in front of your chest. In a steady motion, take a big step laterally to your left. When your foot comes to the ground, bend your knee, and push your butt backward.