Exercises for the Extensor Muscle in the Legs

Exercises for the Extensor Muscle in the Legs. Part of the series: LS - Muscle Workout Tips. The quadriceps which is actually a group of four muscles on the front part of the upper leg is the primary group responsible for extending the leg. Find out about exercises for the extensor muscle in the legs with help from the only physician in the country to hold board certification in Obesity Medicine and be certified by the American College of Sports Medicine as a Clinical Exercise Specialist in this free video clip.