Hairdressers double as therapists and moral support — hey, if you're spending hours at a time letting a person get all up close and personal with your scalp, you're bound to talk about some non-hair-related issues.

They're also in a very physically demanding line of work: They're holding heavy hairdryers, bending over sinks, and spending all day on their feet. When's the last time you saw a hairstylist just take a seat in the middle of a busy afternoon?

A massage therapist's now-viral post sheds some light on just how physically grueling being a hairdresser can be.

Hitesh Patel, a massage therapist from Leicester, posted a photo of his clients' backs, illustrating that being on your feet all day can cause some major damage.

"Because she [sic] spending hours standing on your feet rotated forward, whilst holding brush in one hand and a hairdryer in the other angle over your clients head for hours and hours," he stated. "Your muscles develop and stop holding your skeletal system in an unnatural off central position. So then when you finally do you put down your crimping equipment. And try and sit down and a natural neutral position it just doesn't work."

In short, when a hairdresser finally decides to relax in a comfortable position, it's straining their backs.

That looks painful.

It's not just hairdressers who have to deal with back problems due to their job. Any job that requires you to be on your feet most of the day — doctors, personal trainers, waiters, retail positions — can be the cause of a bad back.

Patel's advice? Try gua sha.

Gua sha, a traditional Chinese medical treatment that includes skin scraping and bruising, can help.

"To reset your muscles we need to gua sha all the scar tissue and then pin and stretch your muscles and then re-align your spine so when you do your yoga exercises it has a greater affect," Patel explained. 

"Next time you look at your hairdresser and think they have an easy life, think of these pictures and see how much they sacrifice their own health just so your hair can look good!"