Machine Back Extension vs Machine Seated Crunch
Overall Comparison
| Metric | Machine Back Extension | Machine Seated Crunch | Difference | Percent |
|---|---|---|---|---|
| Daily count | 26 | 54 | -28 | -52% |
| Total lifts entered | 36,139 | 88,419 | -52,280 | -59% |
Male Comparison
| Metric | Machine Back Extension | Machine Seated Crunch | Difference | Percent |
|---|---|---|---|---|
| Average lift | 119.7 kg | 85 kg | 34.7 kg | 41% |
| Elite lift | 268.2 kg | 177.1 kg | 91.1 kg | 51% |
| Average bodyweight | 78.2 kg | 78 kg | 0.2 kg | 0% |
| Lifts analysed | 635 | 1,350 | -715 | -53% |
Female Comparison
| Metric | Machine Back Extension | Machine Seated Crunch | Difference | Percent |
|---|---|---|---|---|
| Average lift | 40.6 kg | 38.4 kg | 2.2 kg | 6% |
| Elite lift | 84.7 kg | 75.8 kg | 8.8 kg | 12% |
| Average bodyweight | 63.9 kg | 65.2 kg | -1.3 kg | -2% |
| Lifts analysed | 0 | 0 | 0 | - |