Back Extension Machine
Back ExtensionMachine
The backextension machine is usedto build the strength and size of the muscles of the upper back, Erector spinae, muscles of arm, semitendinosus, semimembranosus, and so on.During exercising, users should place the feet between the foot platform andthe padded foot rest, and lean the upper back on the back pad.
With safety protective housing made of metal for the counterweightsystem, and imported high quality bearings, the back extension machine isuser-friendly designed, and is ideal for use in gymnasiums.
Technical Specifications and Features
| Model | SK15 | SM17 | SW17 |
| Counterweight | 90K | 90kg | 90kg |
| Weight | 186kg | 105.4kg (excluding the counterweight) | |
| Guide bar | Diameter: 19mm | Length: 1550mm, Diameter: 19mm | |
| Steel type (tube size) | Q235 (50×150mm, mainly 50×100mm, wall thickness: 2.5mm) | Q235 (50×100mm, 50×70mm, mainly 50×80mm, wall thickness: 2.5mm) | Q235 (50×100mm, 50×70mm, mainly 50×80mm wall thickness: 2.5mm) |
| Equipment dimension | 1160×1140×1520mm | 1180×1000×1700mm | 1180×1000×1700mm |
| Characteristics | Fully enclosed protective housing | Designed based on PRECOR and HOIST brand machines; Portal height: 1680mm | |
SK15 SK15
SM17 SM17
SW17 SW17
RelatedNames:
Dorsal Muscle Training Machine | Back Muscle Training Machine | Back Power RiseDevice | Muscle Adding Equipment
Links：https://www.globefindpro.com/products/46244.html
