Male Strength Standards (kg)
| Strength Level | Crunches | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -16 kg | -33 kg |
| Novice | +46 kg | -7 kg |
| Intermediate | +136 kg | +26 kg |
| Advanced | +249 kg | +66 kg |
| Elite | +381 kg | +110 kg |
Female Strength Standards (kg)
| Strength Level | Crunches | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -22 kg | -20 kg |
| Novice | +24 kg | +3 kg |
| Intermediate | +90 kg | +31 kg |
| Advanced | +174 kg | +65 kg |
| Elite | +272 kg | +101 kg |