I find this "training the core" quite fascinating when you consider that 2/3 of that is low back strength.
we do all these fancy exercises like bridges, tons of various adaptations of ab work and lunges but nothing to specifically address the low back.
now I cannot identify with one exercise that effectively strengthens the muscles of the low back.
can anyone?
having said all that, I do not believe that ab work contributes to strengthening the core, and in fact can make things worse, I also believe that weak abs, if there is such a thing, is the cause of low back issues.
one thing I've learnt about this industry is:
If everyone heads west, you'd better go east, and pretty quick.