Male Strength Standards (lb)
| Strength Level | Standing Leg Curl | Leg Extension |
|---|---|---|
| Beginner | 13 lb | 78 lb |
| Novice | 50 lb | 135 lb |
| Intermediate | 113 lb | 212 lb |
| Advanced | 203 lb | 306 lb |
| Elite | 313 lb | 411 lb |
Female Strength Standards (lb)
| Strength Level | Standing Leg Curl | Leg Extension |
|---|---|---|
| Beginner | 31 lb | 39 lb |
| Novice | 57 lb | 76 lb |
| Intermediate | 93 lb | 128 lb |
| Advanced | 137 lb | 193 lb |
| Elite | 188 lb | 268 lb |