Male Strength Standards (lb)
| Strength Level | Russian Twist | Crunches |
|---|---|---|
| Beginner | -34 lb | -35 lb |
| Novice | +80 lb | +102 lb |
| Intermediate | +240 lb | +299 lb |
| Advanced | +440 lb | +550 lb |
| Elite | +669 lb | +840 lb |
Female Strength Standards (lb)
| Strength Level | Russian Twist | Crunches |
|---|---|---|
| Beginner | -31 lb | -48 lb |
| Novice | +48 lb | +53 lb |
| Intermediate | +155 lb | +198 lb |
| Advanced | +285 lb | +383 lb |
| Elite | +433 lb | +598 lb |