Give your quads the main focus they deserve by constructing this key leg train into your lower-body exercise.
In a world of compound actions, practical coaching, and full-body workouts, the leg extension typically will get dismissed as a one-trick pony. In spite of everything, it’s an isolation transfer that hits only one muscle group, the quadriceps, and is carried out on a machine—not like the squat, thought of a extra manly barbell motion that hits the whole decrease physique and delivers many advantages.
The leg extension is likely one of the extra polarizing workouts. Some individuals like it and see large worth whereas others discover it a waste of time, citing different quadriceps strikes that produce extra profit. Both method, the leg extension’s simplicity can be its biggest asset and a stable transfer for constructing leg power.
Leg Extension Advantages
Leg extensions goal the quads, which have gone unappreciated lately as the recognition of practical motion and CrossFit routines have emphasised the hips and core. However dismissing the quads as aesthetic muscle mass or “decrease physique triceps” neglects an important a part of your physique’s working system. That’s as a result of the four-pronged quadriceps muscle mass serve to increase the knees, thus making sturdy quads essential for strolling, working, leaping, and squatting.
The quads play a vital function in stabilizing the knees and serving to to flex the hips, which tighten after a full day of sitting at a desk or behind the wheel. Sturdy quads are mandatory for actions of on a regular basis life and athletic exercise. Few strikes work the quads higher than the leg extension.
What Does the Leg Extension Work?
With leg extensions, you focus simply on the quads: the vastus medialis, vastus lateralis, vastus intermedius, and rectus femoris. The rectus femoris is probably the most generally injured quad muscle in sports activities, partly as a result of it flexes the thigh on the hip and extends the leg on the knee joint.
This muscle, like the remainder of the quadriceps, deserves particular consideration. Few strikes provide you with extra instant visible suggestions as leg extensions, since you possibly can see the quads flex and contract as you increase and decrease the padded bar.

How one can Do Leg Extensions
- When setting weight on a leg extension machine, battle the urge to load it with heavy resistance, particularly at first. Higher to concentrate on correct kind and actually really feel it in your quads.
- Sit within the leg extension machine. Relying on the peak of the final particular person to make use of the machine, you would possibly want to regulate the seat pad again or ahead. Place your legs beneath the pad and seize the rails together with your arms. Modify the shin pad so it’s simply above your ankles.
- Lengthen your legs so far as doable, exhaling as you achieve this. Although it is a easy transfer, get probably the most out of it and keep away from harm by taking it gradual and avoiding quick actions that may enhance the prospect of hyperextending the knees.
- Pause for 2 seconds on this contracted place, rising the time beneath rigidity with out locking the knees at full extension.
- Decrease the load as you inhale again to the beginning place. Keep in mind, gradual. Don’t merely drop again to the beginning place, or carry your legs past a 90-degree place.
How one can Add a Leg Extension Right into a Exercise
As an isolation train for the quadriceps, leg extensions are a key a part of leg days and could be carried out after compound actions like deadlifts or squats. Some individuals like to guide off with leg extensions. Others desire to save lots of them for final to get that ultimate leg burn in a lower-body exercise.
Leg Extension Variations
Not like different strikes, there’s little variation to doing leg extensions aside from including or lowering weight. When you’re someplace and not using a leg extension machine, you possibly can improvise with any train the place you will need to contract your quadriceps towards a resistance that produces the identical impact. If at dwelling or touring, sit on a chair and use ankle weights or resistance bands.