Trouble breathing while engaging my core
I started my fitness journey 2 months ago. I hired a Physical trainer 2 days per week, play competitive USTA tennis (4.0) and also "wog" (walk/jog) 2-3 days a week (wogging 4-5.5 miles each time) pushing a stroller. My problem is this: it is so hard for me to breath when I am "engaging my core" why?! Some of the sit up/…
