i never understood this

1. 2022-09-26 at 10:26 PM UTC

   #1
   Wariat Marine/Preteen Biologist
   why is it these guys when they do burpees they punch their stomach and do this like routine weird movement shit before starting?
   
   
2. 2022-09-26 at 11:35 PM UTC

   #2
   

   Bradley Florida Man
   it's to tighten your abdominal core
3. 2022-09-26 at 11:52 PM UTC

   #3
   Wariat Marine/Preteen Biologist
   but he also punches his knees or sbove them. also isnt just doing exercises enough to tighten it?
4. 2022-09-27 at 12:22 AM UTC

   #4
   

   Bradley Florida Man
   yeah that's to tighten your thighs they want to make them crush resistant