Nautilus Nitro Plus Leg Extension

The Nautilus Nitro Plus Leg Extension is a commercial-grade selectorized strength machine engineered to effectively isolate and strengthen the quadriceps while providing smooth, controlled resistance throughout the entire range of motion.
The Nitro Plus Leg Extension positions the user to achieve maximum knee extension while maintaining proper joint and machine axis alignment. Its reclined seating position helps reduce hamstring interference, allowing the quadriceps to work through a complete range of motion and achieve a strong contraction at full extension.
A specially engineered variable resistance cam profile provides smooth resistance that complements the natural strength curve of the quadriceps. This creates consistent loading throughout the movement rather than placing excessive resistance at a single point in the exercise.
The machine features a quick-set adjustable leg pad, allowing users of different heights and leg lengths to establish the proper starting position quickly and easily. A heavily padded movement arm roller provides comfortable contact against the lower legs, while the contoured seat and back support help maintain a stable training position throughout the exercise.

Convenient integrated handles give users additional upper-body stability, particularly during heavier sets, allowing them to focus on controlled knee extension and quadriceps engagement.

Features

• Commercial-grade selectorized leg extension
• Designed to effectively isolate the quadriceps
• Reclined seating position promotes full quadriceps contraction
• Maintains proper alignment between the knee and machine pivot point
• Variable resistance cam provides smooth resistance throughout the movement
• Improved cam profile encourages a strong contraction at full extension
• Quick-set adjustable leg pad accommodates users of different heights
• Heavily padded movement arm roller for lower-leg comfort
• Contoured seat and back pad provide comfortable, stable positioning
• Integrated handles provide additional stability during exercise
• Selectorized design allows quick and convenient resistance changes

Specifications

Dimensions: 55" L × 36" W × 54" H
Machine Weight: Approximately 557 lbs

The Nautilus Nitro Plus Leg Extension primarily targets the quadriceps, including the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.