Nautilus Instinct Dual Leg Extension/Curl

Build stronger, more balanced legs with the Nautilus Instinct Dual Leg Extension / Leg Curl, a commercial-grade selectorized strength machine designed to combine two essential lower-body exercises into one versatile training station. The leg extension targets the quadriceps, helping develop strength, muscle size, and definition throughout the front of the thighs, while the leg curl targets the hamstrings, supporting posterior-leg strength and muscular development. By training both opposing muscle groups, this machine provides an effective solution for improving overall lower-body strength, muscular balance, and athletic performance.

The dual-function design allows users to transition between leg extensions and leg curls without requiring two separate machines, making it an excellent choice for maximizing exercise variety while conserving valuable gym floor space. The leg extension movement isolates the quadriceps through controlled knee extension, while the leg curl emphasizes the hamstrings through knee flexion. Selectorized resistance allows for quick and convenient weight adjustments, making the machine suitable for progressive overload, hypertrophy, muscular endurance, and targeted lower-body training. The supported seated position and guided movement pattern help users maintain controlled repetitions while focusing on proper muscle engagement.

Built as part of the Nautilus Instinct Series, this dual-function machine is designed for demanding commercial fitness environments where durability, versatility, and space efficiency are essential. Combining two foundational leg exercises into one station makes it an excellent addition to a complete lower-body strength circuit, complementing equipment such as leg presses, squat racks, calf raises, and hip abductor machines. Ideal for commercial gyms, athletic performance centers, schools and universities, hotels, apartment and multifamily fitness centers, corporate wellness facilities, personal training studios, recreation centers, fire and police fitness facilities, and high-end home gyms, the Nautilus Instinct Dual Leg Extension / Leg Curl provides an effective platform for developing leg strength, muscle growth, and lower-body muscular endurance.

Dimensions 56 × 37× 55 inches

Weight Stack: 190 lbs