Guest Esa Lackström 173096 Posted February 22, 2017 Share Posted February 22, 2017 Should i keep the natural curve of my spine on this exercise? I have understood this that i should press my lower back to floor completely, and after i while i start to shake visibly. I can still hold the position, i can breathe and talk. My core just shakes uncontrollably. Link to comment Share on other sites More sharing options...
Alessandro Mainente Posted February 22, 2017 Share Posted February 22, 2017 It is a natural sign of weak core, if the spine it is held in a neutral position why we should call it "hollow"? Link to comment Share on other sites More sharing options...
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