Male Strength Standards (kg)
| Strength Level | Leg Extension | Machine Back Extension |
|---|---|---|
| Beginner | 35 kg | 30 kg |
| Novice | 61 kg | 67 kg |
| Intermediate | 96 kg | 120 kg |
| Advanced | 139 kg | 188 kg |
| Elite | 186 kg | 268 kg |
Female Strength Standards (kg)
| Strength Level | Leg Extension | Machine Back Extension |
|---|---|---|
| Beginner | 18 kg | 13 kg |
| Novice | 34 kg | 24 kg |
| Intermediate | 58 kg | 41 kg |
| Advanced | 88 kg | 61 kg |
| Elite | 122 kg | 85 kg |