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