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