Male Strength Standards (kg)
| Strength Level | Russian Twist | Back Extension |
|---|---|---|
| Beginner | -16 kg | -28 kg |
| Novice | +37 kg | +13 kg |
| Intermediate | +109 kg | +71 kg |
| Advanced | +200 kg | +142 kg |
| Elite | +304 kg | +223 kg |
Female Strength Standards (kg)
| Strength Level | Russian Twist | Back Extension |
|---|---|---|
| Beginner | -14 kg | -16 kg |
| Novice | +22 kg | +10 kg |
| Intermediate | +70 kg | +43 kg |
| Advanced | +129 kg | +82 kg |
| Elite | +196 kg | +124 kg |