>spend all day in shitty sitting positions that tighten and overly loosen the back muscles and tendons >for literally years of your life >OH WHY DO YOU HAVE BACK PROBLEMS
fuck off kid you didn't need this thread
it's been proven the reason why back problems are commonplace is simply posture and posture alone. it accounts for almost 90% of all back issues.
white males are literally weaker than black females hahaha
This moron doesn’t know what osteopenia is lmao
>moron not knowing a word longer than two syllables
Imagine my shock
Apparently so are male morons, you room temp IQ retard
yeah
White males are always above black females except for age 40.
WE WUZ STRONGBONEZ N SHEEIT
>white males have office jobs
revelation
what's the y-axis supposed to be
bone density
Isn’t this literally the reason black men can’t swim well?
Most people have back problems due to weak spinae erectors, and just a weak core in general.
That and/or overuse. Also posture.
erector spinae*
This. never had back issues again after using pic related
How is it called again? I remember what it is but forgot the name.
Ab roller. A must have for every ISTizen
>spend all day in shitty sitting positions that tighten and overly loosen the back muscles and tendons
>for literally years of your life
>OH WHY DO YOU HAVE BACK PROBLEMS
fuck off kid you didn't need this thread
it's been proven the reason why back problems are commonplace is simply posture and posture alone. it accounts for almost 90% of all back issues.