Male Strength Standards (lb)
| Strength Level | Nordic Hamstring Curl | Russian Twist |
|---|---|---|
| Beginner | -73 lb | -34 lb |
| Novice | -16 lb | +80 lb |
| Intermediate | +58 lb | +240 lb |
| Advanced | +146 lb | +440 lb |
| Elite | +243 lb | +669 lb |
Female Strength Standards (lb)
| Strength Level | Nordic Hamstring Curl | Russian Twist |
|---|---|---|
| Beginner | -43 lb | -31 lb |
| Novice | +6 lb | +48 lb |
| Intermediate | +69 lb | +155 lb |
| Advanced | +143 lb | +285 lb |
| Elite | +224 lb | +433 lb |