Quadriceps muscles are situated in front part of thighs. These muscles help in movement of the knees. We require these muscles for activities like walking and jumping. We also need this muscle for squatting. Quadriceps help in flexing the hips and forward swinging of legs. It supports the knee while walking. Squats are the best exercises for quadriceps. You can also do leg press and leg extension. Lunges and step-ups are also good for quads. Athletes do quad exercises for strengthening the legs. We will tell you some quad exercises. Following are the best quadriceps strengthening exercises. Learn the steps very carefully.