Originally Posted by HardwoodLegend
It's an exercise that many athletes have as part of their regimen and their backs fare just fine throughout life.
Maybe it's the way certain people are anatomically structured? Or maybe some people should work on strengthening their lower back first on a roman chair or something before doing situps hardcore.
maybe the best way to find out for sure is to spend the next 20 years doing lots of situps, see how much or how little damage you wind up doing to your lower back, and then report back here and let us know.
i for one will be free that day. ^^