Squats are a part of strength training exercises that target the leg muscles, hips, and buttocks. They also help in strengthening the bones and ligaments present in these parts of the body. It is a basic exercise of weight training, and is considered as the "King of Exercises". It is an excellent thigh exercise, which can tone the thigh and leg muscles. Squat is basically an exercise that involves lowering of the body with a straight back. It can be performed in various ways, and using dumbbells is one of them.