Impact® Leg Extension
Proven. Smart. Effective.
The Nautilus Impact® Leg Extension isolates the quadriceps through a fully supported seated extension, helping users build strength for walking, running, jumping, and squatting. Designed to reduce stress on the knees while maximizing quad engagement, it features an optimized cam and 1:1 weight ratio to deliver smooth resistance through the full range of motion. With Lock N Load® weight selection and ergonomic adjustments, it’s ideal for building leg-focused strength circuits.
W: 38 IN (145 CM)
L: 57 IN (97 CM)
H: 60 IN (152 CM)
STACK WEIGHT: 260 LBS (130 KG)
OVERALL WEIGHT: 609 LBS (276 KG)
SHIPPING WEIGHT: 668 LBS (303 KG)
SKU: 9NA-S1312
- User-friendly weight stack selection
- 5 lb incremental weight system for optimal progression
- Ratcheting seat adjustment
- Pull-pin adjustment
- Gravity assisted positioning
- Featuring the patented Lock N Load® weight selection system
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