Precor Discovery Selectorized Line - Back Extension Users Guide

Discovery Selectorized Line Owner's Manual: Product Specifications and Use 22
Back Extension User’s Guide
Specifications
Machine Dimensions
48” L x 43” W x 59” H
(122 cm L x 109 cm W x 150 cm H)
Working Area
78” L x 51” W (198 cm L x 130 cm W)
Weight Stack
160 lb (73 kg)
Machine Weight
488 lb (221 kg)
Setup
Number Action
Select an appropriate weight.
Sit with your lower back against the back pad.
Adjust the movement arm to a comfortable start position.
Exercise
 Cross your arms in front of your chest.
 Extend back in a slow, controlled motion.
 Pause at full contraction.
 Slowly return to the start position.
Training Tips
 Keep your lower back against the back pad.
 Avoid overextending.
 Maintain proper breathing:
 Breathe out as you contract your muscles.
 Breathe in as you relax your muscles.