BodyKore Isolation Ab Back Extension GR637

The BodyKore Isolation Ab Back Extension GR637 is a versatile, user-friendly core machine designed to strengthen both the abdominals and lower back in one compact station. Its dual-movement design allows members to perform controlled abdominal crunches or targeted back extensions with smooth, guided resistance.

Built with commercial-grade construction rated over 1000 lbs, the GR637 features multiple range-of-motion adjustments, dual foot platforms, and a lumbar support pad to ensure proper alignment and safe execution for users of all levels.

If your facility needs a durable, space-efficient core training solution that balances anterior and posterior chain development, the GR637 is a reliable Isolation Series essential.

BodyKore GR637 Highlights

• Commercial dual-function ab crunch and back extension machine
• 220 lb weight stack standard, upgradeable to 340 lbs
• Multiple range-of-motion adjustments for both exercises
• 10-degree incremental ROM settings for safe progression
• Dual foot platforms for proper positioning during each movement
• Lumbar pad supports optimal alignment to axis of rotation
• Heavy-duty steel frame rated for commercial use
• Overall Dimensions: 48″ L × 46″ W × 65″ H

Dual-Movement Core Training
Perform both abdominal crunches and lower back extensions in one machine, promoting balanced core development.

Precision Range-of-Motion Control
Adjustable in 10-degree increments, allowing users to safely tailor movement depth based on flexibility and strength level.

Seated Start Position Adjustment
Easily adjust the start position from the seated position to ensure proper alignment for both exercises.

Ergonomic Lumbar Support
The integrated lumbar pad helps users find the correct position relative to the axis of rotation for safe, effective reps.

Model / SKU
GR637 Abdominal / Back Extension

Category
Selectorized Ab & Back Machine

Dimensions
48″ L × 46″ W × 65″ H

Footprint
Approximately 16 sq. ft.

Machine Weight
504 lbs