Monday 28th January 2013 By MelissaJanuary 27, 2013August 3, 2018CrossFit The Theoretical Hierarchy of Development, A pyramid is only as tall and as strong as its foundations. Skill – Mobility for the workout WOD For time; – 30 Handstand push ups – 40 Pull ups – 50 Kettlebell swings (16kg/24kg) – 60 Sit ups – 70 Burpees