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.
A: The walking lunge works the same muscles as the stationary lunge, but the emphasis and involvement of those muscles differs significantly between these two popular leg movements. Incorporate both variations into your leg routine to avoid plateaus in muscle growth and keep your training fresh.