"backtool"
… trains the lower back muscles. Primary the musculi multifidi and rotatores. Deflecting the movement by an intervention of the hip extensors will be excluded as far as possible.
| backtool data: | |
|---|---|
| weight: approx. | ca. 88 kg |
| total dimensions: | |
| legth= | 1,10 m |
| width = | 0,80 m |
| height = | 1,30 m |