Leg extensions are an excellent method to strengthen the quadriceps muscles. They use a leg extension machine that isolates the quadriceps muscles by sitting the user upright. The user will have their legs bent in the seated position, and the weight resistance will come into play as they extend their legs, straightening them in a kicking motion.
Leg extension exercises are seen in most gyms, and are an essential part of a total leg workout. A leg extension can build great strength in the quadriceps, which can improve speed, explosiveness, and overall leg strength. When used in conjunction with other leg exercises, like leg curls, they help form a complete leg workout that can improve definition and help athletes perform at a high level.