Male Strength Standards (lb)
| Strength Level | Back Extension | Hip Extension |
|---|---|---|
| Beginner | -63 lb | -25 lb |
| Novice | +30 lb | +67 lb |
| Intermediate | +156 lb | +188 lb |
| Advanced | +313 lb | +335 lb |
| Elite | +492 lb | +500 lb |
Female Strength Standards (lb)
| Strength Level | Back Extension | Hip Extension |
|---|---|---|
| Beginner | -35 lb | -31 lb |
| Novice | +22 lb | +37 lb |
| Intermediate | +94 lb | +125 lb |
| Advanced | +180 lb | +232 lb |
| Elite | +273 lb | +351 lb |