Cybernetic and/or Nanotech enhancements to the human body which provide either increased functionality of current abilities or entirely new capabilities.
Dude #1: "Hey dude, wake up, we gon' play some ball outside"
*Dude #2 lying motionless*
*Dude #1 starts crying because Dude #2 is dead because he's not moving and he Dude #1 can't study Dude #2's biomechanics*
A term coined by exercise scientist Dr Mike Israetel in relation to poorly designed exercise equipment.
"I made up a term uh back back a few years ago when I was debating some biomechanics folks called
diagrammatical biomechanics where you looked at some diagrams and you're like 'Ehhh... this must be how the human body works!' and you made a machine only on that."
"You tried that machine over there?"
"It fucking sucks, the creators were probably on some diagrammatical biomechanics bullshit."