Leg Extension vs Machine Seated Crunch

Measured in kg

Leg Extension
Machine Seated Crunch

Male Strength Standards (kg)

Strength LevelLeg ExtensionMachine Seated Crunch
Beginner35 kg26 kg
Novice61 kg51 kg
Intermediate96 kg85 kg
Advanced139 kg128 kg
Elite186 kg177 kg

Female Strength Standards (kg)

Strength LevelLeg ExtensionMachine Seated Crunch
Beginner18 kg14 kg
Novice34 kg24 kg
Intermediate58 kg38 kg
Advanced88 kg56 kg
Elite122 kg76 kg