Standing Leg Curl vs Machine Back Extension
Measured in kg
Male Strength Standards (kg)
| Strength Level | Standing Leg Curl | Machine Back Extension |
|---|---|---|
| Beginner | 6 kg | 30 kg |
| Novice | 23 kg | 67 kg |
| Intermediate | 51 kg | 120 kg |
| Advanced | 92 kg | 188 kg |
| Elite | 142 kg | 268 kg |
Female Strength Standards (kg)
| Strength Level | Standing Leg Curl | Machine Back Extension |
|---|---|---|
| Beginner | 14 kg | 13 kg |
| Novice | 26 kg | 24 kg |
| Intermediate | 42 kg | 41 kg |
| Advanced | 62 kg | 61 kg |
| Elite | 85 kg | 85 kg |