Male Strength Standards (lb)
| Strength Level | Reverse Crunches | Russian Twist |
|---|---|---|
| Beginner | -22 lb | -34 lb |
| Novice | +64 lb | +80 lb |
| Intermediate | +174 lb | +240 lb |
| Advanced | +307 lb | +440 lb |
| Elite | +453 lb | +669 lb |
Female Strength Standards (lb)
| Strength Level | Reverse Crunches | Russian Twist |
|---|---|---|
| Beginner | -41 lb | -31 lb |
| Novice | +20 lb | +48 lb |
| Intermediate | +100 lb | +155 lb |
| Advanced | +195 lb | +285 lb |
| Elite | +302 lb | +433 lb |