Male Strength Standards (kg)
| Strength Level | Reverse Crunches | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -10 kg | -33 kg |
| Novice | +29 kg | -7 kg |
| Intermediate | +79 kg | +26 kg |
| Advanced | +139 kg | +66 kg |
| Elite | +206 kg | +110 kg |
Female Strength Standards (kg)
| Strength Level | Reverse Crunches | Nordic Hamstring Curl |
|---|---|---|
| Beginner | -18 kg | -20 kg |
| Novice | +9 kg | +3 kg |
| Intermediate | +45 kg | +31 kg |
| Advanced | +89 kg | +65 kg |
| Elite | +137 kg | +101 kg |