Male Strength Standards (lb)
| Strength Level | Back Extension | Lying Leg Raise |
|---|---|---|
| Beginner | -63 lb | -85 lb |
| Novice | +30 lb | +21 lb |
| Intermediate | +156 lb | +179 lb |
| Advanced | +313 lb | +387 lb |
| Elite | +492 lb | +632 lb |
Female Strength Standards (lb)
| Strength Level | Back Extension | Lying Leg Raise |
|---|---|---|
| Beginner | -35 lb | -46 lb |
| Novice | +22 lb | +23 lb |
| Intermediate | +94 lb | +117 lb |
| Advanced | +180 lb | +233 lb |
| Elite | +273 lb | +363 lb |