Male Strength Standards (kg)
| Strength Level | Back Extension | Superman |
|---|---|---|
| Beginner | -28 kg | -22 kg |
| Novice | +13 kg | +17 kg |
| Intermediate | +71 kg | +69 kg |
| Advanced | +142 kg | +133 kg |
| Elite | +223 kg | +205 kg |
Female Strength Standards (kg)
| Strength Level | Back Extension | Superman |
|---|---|---|
| Beginner | -16 kg | -23 kg |
| Novice | +10 kg | +7 kg |
| Intermediate | +43 kg | +47 kg |
| Advanced | +82 kg | +96 kg |
| Elite | +124 kg | +151 kg |