NAUTILUS IMPACT PRONE LEG CURL

The Nautilus Impact® Prone Leg Curl is a commercial-grade strength machine designed to deliver focused, controlled hamstring training using proven Nautilus biomechanics. As part of the Impact® Strength line, this machine combines durability, refined movement paths, and user-friendly adjustments to support consistent performance in high-traffic fitness environments.

Built around features users value most, the Impact® Prone Leg Curl incorporates thoughtful design elements such as pre-stretch positioning, start assist functionality, and fixed-path motion to promote proper alignment and safe execution. These details help users maintain control throughout the movement while minimizing unnecessary strain during setup and transitions.

The selectorized weight system allows for precise progression with small increments, making the machine suitable for a wide range of users, from beginners to experienced lifters. With its solid frame construction, ergonomic pads, and intuitive adjustments, the Nautilus Impact® Prone Leg Curl is well suited for gyms, training centers, and rehabilitation-focused facilities seeking reliable lower-body equipment.

Features (Uniquely Rewritten)

Core Features

• Brand: Nautilus

• Intuitive Weight Selection: Easy-to-use selectorized stack for quick load changes

• Progressive Load System: Fine-tuned 5 lb plate increments for gradual strength development

• Simple Adjustment Controls: Pull-pin mechanisms for fast setup changes

• Assisted Positioning: Gravity-assisted design helps users enter and exit the machine smoothly

• Secure Weight Selection: Equipped with the patented Lock N Load® selector system for safe, stable loading

Adjustments & Movement Design

• Range of Motion: Fixed movement path for consistent, controlled repetitions

• Adjustment Assistance: Gravity-assisted positioning with an adjustable seat featuring an “easy-up” ratcheting system (SKU dependent)

• Visual Setup Guidance: Color-coded pivot points and adjustment markers on all units

• Movement Capability: Supports unilateral or bilateral training depending on configuration

• Motion Pattern: Converging or diverging movement paths based on unit design

• Pulley Ratio: 1:1 ratio for smooth, predictable resistance delivery

Frame & Cable Construction

• Standard Frame Color: Black

• Standard Upholstery: Black

• Frame Finish: Electrostatic powder-coated surface for durability and corrosion resistance

• Customization Options: Custom paint, upholstery, and branding available with added cost and extended lead times

• Drive System: Cable- or belt-driven transmission depending on SKU

• Anchoring Points: Predefined bolt-down locations for floor mounting

• Leveling System: Rubber feet for floor protection (no integrated leveling system)

• Hardware: Hex and button-head fasteners

• Tubing Design: Contemporary mix of round and square tubing, primarily 3 mm or 2.5 mm (11-gauge) steel

• Height Profile: Varies by unit, typically around 60 inches

User-Focused Details

• Exercise Placards: Clear, static instructional placards included

• Multi-Language Placards: Available as an option

• Animated Displays: Not included

• Safety Stops: Integrated safety catches and stops on select SKUs

• Accessory Holders: No water bottle or phone holder

• Grip Design: Durable rubber grips, larger for pushing actions and smaller for pulling

• Foot Platform: Design varies by machine configuration

• Padding: Ergonomically contoured pads on select models

• Restraint System: Not included

Technical Specifications

Machine Type
Selectorized Prone Leg Curl

Dimensions (L x W x H)
71 in x 38 in x 60 in
(180 cm x 97 cm x 152 cm)

Overall Machine Weight
516 lb (234 kg)

Weight Stack Details

• Stack Weight: 180 lb (90 kg)

• Total Stack Weight: Machine dependent

• Increment System: 5 lb incremental plates for controlled progression
  Exception applies to Chin/Dip Assist models only

• Weight Stack Tower Height: Machine dependent