Male Strength Standards (kg)
| Strength Level | Back Extension | Lying Leg Raise |
|---|---|---|
| Beginner | -28 kg | -39 kg |
| Novice | +13 kg | +9 kg |
| Intermediate | +71 kg | +81 kg |
| Advanced | +142 kg | +176 kg |
| Elite | +223 kg | +287 kg |
Female Strength Standards (kg)
| Strength Level | Back Extension | Lying Leg Raise |
|---|---|---|
| Beginner | -16 kg | -21 kg |
| Novice | +10 kg | +11 kg |
| Intermediate | +43 kg | +53 kg |
| Advanced | +82 kg | +106 kg |
| Elite | +124 kg | +165 kg |