Leg exercises help kids manage their weight, be more agile and perform better in their favorite sports.

Don’t let knee pain take the joy out of your usual workout! There are ways to modify some of the most common exercises that cause your knees to hurt (like lunges, squats and jumping jacks for starters).

Some of the hardest CrossFit workouts are focused on the lower body. They might seem simple, but they moves can be grueling.

To run faster, build your leg muscles with a variety of strength-training exercises that use heavy weights.

Several different exercises can be combined into a beginner leg workout routine that targets the lower-body muscle groups.

Tingling feelings in the legs are usually caused by impingement on one or more nerves, such as by a muscle or tendon.

Leaving your legs out of your workouts cheats you of muscle growth, calorie-burning and overall strength development.

Squats, deadlifts and hip raises are some of the top exercises for building leg strength. Learn the technique and add them to your routine.

The hamstring is a [group of three muscles](http://orthoinfo.aaos.org/topic.cfm?topic=a00408) that extends across the back of the thigh and moves the leg forward and backward.

The leg press is an essential part of a fitness regimen, especially if you have any interest in developing your legs or lower body muscles. While this resistance machine offers a lot of benefits, it poses potential danger if stability is not maintained throughout the workout.

You can replace the leg press with a few different squat variations, depending on which one feels better and lets you use the most weight.

There aren't any exercises to lengthened a short femur, but you can adjust your workout to work around leg length discrepancy.