Male Strength Standards (lb)
| Strength Level | Glute Kickback | Back Extension |
|---|---|---|
| Beginner | -78 lb | -63 lb |
| Novice | +23 lb | +30 lb |
| Intermediate | +169 lb | +156 lb |
| Advanced | +355 lb | +313 lb |
| Elite | +571 lb | +492 lb |
Female Strength Standards (lb)
| Strength Level | Glute Kickback | Back Extension |
|---|---|---|
| Beginner | -57 lb | -35 lb |
| Novice | +18 lb | +22 lb |
| Intermediate | +124 lb | +94 lb |
| Advanced | +257 lb | +180 lb |
| Elite | +410 lb | +273 lb |