Why does laughing make our sides hurt?
Diaphragm's Comedy Sprint
Why does laughing make our sides hurt?
You're laughing so hard your sides ache. Not your arms, not your legs — your sides. Why does your body pick that exact spot to complain when the joke is too good?
Your sides hurt because of a flat sheet of muscle stretched across your belly like a trampoline fabric. It's called your diaphragm, and it sits right under your lungs. Every breath you take? That's your diaphragm doing the work — pulling down to suck air in, pushing up to squeeze air out.
