'The GHD Sit-Up...with no GHD. This is a game changer to implement into your core training from home! For more FREE PRx Performance content: Instagram: https://www.instagram.com/prxperformance/ Facebook: https://www.facebook.com/PRxPerformance/ Pinterest: https://www.pinterest.com/prxperformance/'
Tags: crossfit workouts , prx performance , home gym hacks , ghd situps
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