Machine Calf Raise vs Machine Back Extension

Measured in lb

Machine Calf Raise
Machine Back Extension

Male Strength Standards (lb)

Strength LevelMachine Calf RaiseMachine Back Extension
Beginner69 lb67 lb
Novice160 lb147 lb
Intermediate295 lb264 lb
Advanced471 lb415 lb
Elite678 lb591 lb

Female Strength Standards (lb)

Strength LevelMachine Calf RaiseMachine Back Extension
Beginner33 lb28 lb
Novice90 lb54 lb
Intermediate182 lb90 lb
Advanced306 lb135 lb
Elite454 lb187 lb