Male Strength Standards (lb)
| Strength Level | Lying Leg Curl | Leg Extension |
|---|---|---|
| Beginner | 50 lb | 78 lb |
| Novice | 89 lb | 135 lb |
| Intermediate | 141 lb | 212 lb |
| Advanced | 206 lb | 306 lb |
| Elite | 279 lb | 411 lb |
Female Strength Standards (lb)
| Strength Level | Lying Leg Curl | Leg Extension |
|---|---|---|
| Beginner | 30 lb | 39 lb |
| Novice | 53 lb | 76 lb |
| Intermediate | 83 lb | 128 lb |
| Advanced | 121 lb | 193 lb |
| Elite | 164 lb | 268 lb |