Male Strength Standards (kg)
| Strength Level | Roman Chair Side Bend | Back Extension |
|---|---|---|
| Beginner | -13 kg | -28 kg |
| Novice | +22 kg | +13 kg |
| Intermediate | +67 kg | +71 kg |
| Advanced | +121 kg | +142 kg |
| Elite | +180 kg | +223 kg |
Female Strength Standards (kg)
| Strength Level | Roman Chair Side Bend | Back Extension |
|---|---|---|
| Beginner | -17 kg | -16 kg |
| Novice | +9 kg | +10 kg |
| Intermediate | +43 kg | +43 kg |
| Advanced | +84 kg | +82 kg |
| Elite | +129 kg | +124 kg |