Machine Back Extension vs Machine Seated Crunch
Overall Comparison
Metric |
Machine Back Extension |
Machine Seated Crunch |
Difference |
Percent |
Daily count |
13 |
56 |
-43 |
-77% |
Total lifts entered |
36,195 |
88,511 |
-52,316 |
-59% |
Male Comparison
Metric |
Machine Back Extension |
Machine Seated Crunch |
Difference |
Percent |
Average lift |
263.8 lb |
187.3 lb |
76.5 lb |
41% |
Elite lift |
591.4 lb |
390.5 lb |
200.8 lb |
51% |
Average bodyweight |
172.4 lb |
172 lb |
0.4 lb |
0% |
Lifts analysed |
635 |
1,350 |
-715 |
-53% |
Female Comparison
Metric |
Machine Back Extension |
Machine Seated Crunch |
Difference |
Percent |
Average lift |
89.6 lb |
84.7 lb |
4.9 lb |
6% |
Elite lift |
186.7 lb |
167.2 lb |
19.5 lb |
12% |
Average bodyweight |
140.8 lb |
143.6 lb |
-2.8 lb |
-2% |
Lifts analysed |
0 |
0 |
0 |
- |