Back Extension
A seated outdoor machine for the legs and back: holding the armrests, the user pushes backwards with the feet on the footrests.
- Legs and back
- One user up to 150 kg
- Safety zone 3900 × 4000 mm
- Posts and arms come assembled
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Description
Exercise
Hold the armrests and sit firmly with your upper body straight. Push slowly backwards with your feet on the footrests, then return slowly to the starting position. Repeat.
What it trains
Builds the strength of the legs, improves the stability of the knees and ankles, relieves tired back muscles, helps prevent lower back strain and strengthens the back.
Installation
The posts and arms come assembled; on site the crossbar is bolted to the posts. The posts are set in concrete in pits of 600 × 600 × 600 mm, the seat and the footrests in pits of 400 × 400 × 400 mm. Use concrete of at least C20. Before the machine is used, the foundation cures for seven days above 15 °C and ten days between 0 and 15 °C.
Site
Keep a safety zone of 3900 × 4000 mm round the machine free of people and obstacles. Place it at least 8 m from overhead power lines and 2 m from underground pipes and cables, away from flammable or hazardous materials; if it is used after dark, light the area within 2 m of it to at least 15 lx.
Specifications
| Dimensions (L × W × H) | 866 × 934 × 986 mm |
|---|---|
| Weight | 69 kg |
| Maximum user weight | 150 kg |
| Users at a time | 1 |
| Safety zone (L × W × H) | 3900 × 4000 × 1500 mm |
| Foundation | Posts: pits 600 × 600 × 600 mm; seat and footrests: 400 × 400 × 400 mm; concrete C20 or stronger |
| Delivery | Posts and arms assembled |
| Service life | 8 years |
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