Male Strength Standards (kg)
| Strength Level | Nordic Hamstring Curl | Back Extension |
|---|---|---|
| Beginner | -20 kg | +6 kg |
| Novice | -1 kg | +36 kg |
| Intermediate | +22 kg | +74 kg |
| Advanced | +48 kg | +118 kg |
| Elite | +76 kg | +166 kg |
Female Strength Standards (kg)
| Strength Level | Nordic Hamstring Curl | Back Extension |
|---|---|---|
| Beginner | -13 kg | +7 kg |
| Novice | +5 kg | +26 kg |
| Intermediate | +27 kg | +49 kg |
| Advanced | +54 kg | +76 kg |
| Elite | +83 kg | +104 kg |