Male Strength Standards (kg)
| Strength Level | Russian Twist | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -16 kg | -33 kg |
| Novice | +37 kg | -7 kg |
| Intermediate | +109 kg | +26 kg |
| Advanced | +200 kg | +66 kg |
| Elite | +304 kg | +110 kg |
Female Strength Standards (kg)
| Strength Level | Russian Twist | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -14 kg | -20 kg |
| Novice | +22 kg | +3 kg |
| Intermediate | +70 kg | +31 kg |
| Advanced | +129 kg | +65 kg |
| Elite | +196 kg | +101 kg |