Back Extension vs Crunches

Overall comparison

The daily number of back extension lifts entered on Strength Level is less than the daily number of crunches lifts.

Metric Back Extension Crunches Difference Percent
Daily count 21 31 ↓10 ↓32%
Total lifts entered 3,450 36,198 ↓32,748 ↓90%

Male comparison

The average back extension entered by men on Strength Level is less heavy than the average crunches.

The bodyweight of men entering back extension lifts on Strength Level is on average heavier than those entering crunches lifts.

Metric Back Extension Crunches Difference Percent
Average lift 329.8 lb 459.2 lb ↓129.4 lb ↓28%
Elite lift 673.7 lb 933.7 lb ↓260 lb ↓28%
Average bodyweight 170.5 lb 163.5 lb ↑7 lb ↑4%
Lifts analysed 1,266 14,378 ↓13,112 ↓91%

Female comparison

The average back extension entered by women on Strength Level is less heavy than the average crunches.

The bodyweight of women entering back extension lifts on Strength Level is on average heavier than those entering crunches lifts.

Metric Back Extension Crunches Difference Percent
Average lift 236.9 lb 333.1 lb ↓96.2 lb ↓29%
Elite lift 424.6 lb 692 lb ↓267.4 lb ↓39%
Average bodyweight 142.2 lb 137.1 lb ↑5.1 lb ↑4%
Lifts analysed 331 2,828 ↓2,497 ↓88%