The right cardio exercise and weight training activities can make a difference in your backside, depending on your body type and genetics. Below are some of the best cardio and strength training exercises for strengthening and toning your glutes, hips and thighs.Squats and lunges Squats and lunges are one of the best exercises you can do for your hips, butt and thighs and they’re also a functional exercise, helping us build strength for a variety of daily activities.BikingRiding a bike is great for your heart and it also targets almost every muscle in your hips, thighs and butt. On a stationary bike, alternate 3 minutes for a calorie-blasting 30 minute workout. A 140-lb person burns 335 calories in 45 minutes.RunningRunning helps in weight loss and it makes one feel good. It really works the butt, especially when you add a few hills to your regular running route. Sprints are another option for folks wanting to both burn more calories and tighten up the tush. A 140-lb person burns 475 calories during a 45 minute jog.WalkingWalking is easy and can be done anywhere, anytime with no special equipment. There’s no learning curve and it’s something you can incorporate all day long. If you walk up hills, you can really target your glutes and, if you pick up the intensity, you’ll burn more calories, which can help if you’re trying to lose body fat.  A 140-lb person burns about 300 calories an hour during a brisk walk.Source; About.com.Health Exercise