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