And Vertically Aligned With No Overarching Or Banana-back Curve The Core Is Tightly Engaged Both Legs Are Extended Vertically Straight Up Toward The Ceiling, And Shoulder-width Apart On A Yoga Mat The Elbows Are Bent At A -degree Angle Directly Under The Shoulders The Head Is Lifted Slightly Off The Ground, Balanced Strictly On Their Forearms Which Are Placed Parallel Porno IA