The Impulse RL8107 Hydraulic Resistance AB Crunch / Back Extension is a dual-function strength training machine designed to effectively target the abdominal and lower back muscles. Ideal for rehabilitation centers, senior fitness programs, and compact gym spaces, this machine offers a comprehensive workout for the core.​

Key Features

• Dual-Function Design: Performs both abdominal crunches and back extensions, allowing users to strengthen the rectus abdominis, external obliques, and erector spinae muscles. ​

• Hydraulic Resistance System: Provides adjustable resistance with tension settings ranging from 90–750N and pressure settings from 80–700N, allowing for customized workout intensities. ​

• Ergonomic Design: Features a sturdy frame with a thickness of 2.5mm and a functional part using φ76.2 circular and rectangular tubes, ensuring stability and durability.​

• Comfortable Upholstery: The chest, head, and back pads are made from aggregate material, designed to align with human physiological structure and fitness exercise principles, ensuring comfort and safety during workouts.​

• User-Friendly Adjustments: Equipped with a six-gear resistance adjustment knob with a red eye-catching arrow and digital indication, reducing user learning cost.​

• Convenient Storage: Includes a multifunctional shelf to easily store portable items such as mobile phones and water cups.​

• Compliance with Safety Standards: Meets EN957 safety requirements, ensuring user safety during exercises.​

Specifications

• Product Dimensions: 1097 × 842 × 1165 mm​

• Weight: 44.2 kg​

• Resistance Range: Tension: 90–750N; Pressure: 80–700N​

• Targeted Muscles: Rectus Abdominis, External Obliques, Erector Spinae​

• Targeted Body Parts: Abdomen, Lower Back