Tuesday, February 18 2020 For completion:Alternating tabata:GHD Plank hold (prone)GHD Plank hold (supine)- If we are still working towards capacity on the GHD, perform a plank hold for the prone, and then a hollow hold for supine Guest UserFebruary 17, 2020 Facebook0 Twitter LinkedIn0 Reddit Tumblr 0 Likes