This is very, VERY good news.
. “Living tissue adapts differently than dead tissue does,” so the research leaves out the question of how our spines might adapt and change when we place crunch-like pressure on it.Finally, you’re probably not doing tens of thousands of crunches. The pig spines studied were subjected to many thousands of flexion and extension cycles, Schoenfeld points out. The review notes that the total times a spine was bent in each study ranged from 4,400 to 86,400.
One other thing: Schoenfeld’s review mentions that there could potentially be some benefits to spinal flexion exercises like crunches, in terms of increasing spinal fluid exchange and promoting better nutrient delivery to the discs. Smith says that yes, spinal literature does suggest that loading the discs a certain amount could have benefits.
But if you’re not, and your goal is to strengthen and stabilize your core overall, you probably would be fine never doing crunches again and just focusing on other exercises that keep your core strong and healthy .
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