Male Strength Standards (kg)
| Strength Level | Seated Leg Curl | Machine Back Extension |
|---|---|---|
| Beginner | 29 kg | 30 kg |
| Novice | 50 kg | 67 kg |
| Intermediate | 79 kg | 120 kg |
| Advanced | 114 kg | 188 kg |
| Elite | 154 kg | 268 kg |
Female Strength Standards (kg)
| Strength Level | Seated Leg Curl | Machine Back Extension |
|---|---|---|
| Beginner | 16 kg | 13 kg |
| Novice | 29 kg | 24 kg |
| Intermediate | 47 kg | 41 kg |
| Advanced | 70 kg | 61 kg |
| Elite | 96 kg | 85 kg |