Squats are a great exercise to use on your legs and they will help you tone up your thighs as well as your hips. Wide squats concentrate on your inner thigh muscles. Stand with your feet a little wider than your shoulders and bend till your knees are at a 45 degree angle. Tighten your thighs and hold for five seconds and stand back up. Keep your back straight for good posture.
Leg extension is a good isolated exercise when the purpose is to specially target the quadriceps muscles (front of the thigh). First select your weight and sit on the machine with your legs under the pad (feet pointed forward) and the hands holding the side bars. This will be your starting position. You will need to adjust the pad so that it falls on top of your lower leg (just above your feet). You need to adjust the pad so that it falls on top of your lower leg. Also make sure that your legs form a 90 degree angle between the lower and upper leg. Using your quadriceps, extend your legs to the maximum as you exhale. Ensure that the rest of your body remains stationary on the seat. Pause for a second on the contracted position and slowly lower the weight back to the position as you exhale, ensuring that you do not go past the 90 degree angle limit.
Hamstring curl helps to tone up your hamstrings. Place your mat on the floor. Lie on the yoga mat on your stomach and keep your legs and feet together at all times during the exercise. Wear an ankle weight on each leg and start with having your legs and feet on the ground, and then bend your legs at the knee and bring them to your hips as close as possible. Hold for ten seconds and then bring them back down, but do not let your feet and leg touch the ground.