Male Strength Standards (lb)
| Strength Level | Machine Seated Crunch | Leg Extension |
|---|---|---|
| Beginner | 58 lb | 78 lb |
| Novice | 112 lb | 135 lb |
| Intermediate | 187 lb | 212 lb |
| Advanced | 282 lb | 306 lb |
| Elite | 391 lb | 411 lb |
Female Strength Standards (lb)
| Strength Level | Machine Seated Crunch | Leg Extension |
|---|---|---|
| Beginner | 30 lb | 39 lb |
| Novice | 53 lb | 76 lb |
| Intermediate | 85 lb | 128 lb |
| Advanced | 123 lb | 193 lb |
| Elite | 167 lb | 268 lb |