How can something like >this<
still be a mystery?
What is the best way to strengthen the core?
What is the best way to strengthen the back?
Isometrics? Plank/prone/side? Dead Lifts?
or ....Shiko? (to come full circle, pardon the pun)
P.S. Gents, Thank you for the sound advice.
PPS. Mike, any chance of any kind of functional description of what you meant by 'complete'? Other than the opposite of incomplete....that is.