I stopped sitting with my legs crossed for 30 days and realised one important thing about optimal desk posture

Trying this experiment reduced my hip and knee pain

Woman sits on a chair with her legs crossed underneath her, and rests one arm on a desk with a laptop on it
(Image credit: Getty Images / Westend61)

I've worked at a desk for more than five years and sitting hunched over my laptop every day has taken its toll on my body.

I deal with stiffness in my shoulders, neck and, most frustratingly, my hips.

Another contributing factor to the physical strain is a habit of sitting cross-legged on my chair, rather than with both feet on the floor.

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While sitting cross-legged occasionally isn’t a problem, doing it for longer periods can cause issues.

“As with any position, sitting for extended periods of time can cause discomfort, simply because we function best when we move regularly,” says Helen O'Leary, physiotherapist at Complete Pilates

After a particularly bad period of hip stiffness, I decided to kick the habit for good and challenged myself to avoid this position for 30 days.

What I noticed when I stopped sitting cross-legged

1. I developed greater body awareness

Changing my desk posture meant I had to be more aware of my position throughout the day.

It was easy to slip back into my familiar cross-legged set up but the goal was to find an alternative that was also comfortable.

There was lots of fidgeting and more getting up (never a bad thing) but overall I became more intentional over how I was sitting, and how often I was getting up for a break.

2. I experienced less hip stiffness

One of the reasons I prefer to sit cross-legged is because I’m hypermobile and the position opens my hips, which feels good on my joints.

You’d think that all that stretching would keep my hips feeling mobile, but for hypermobile people, too much stretching can lead to injury and discomfort. A physiotherapist once described my ligaments and muscles to me like an elastic band that was too loose. This meant I was flexible but lacked strength.

I suspect that too much stretching and not enough strengthening weakened my joints and contributed to me experiencing a lot of discomfort in my hips, especially while exercising and walking.

After a month of trying to reduce the time spent in a crossed-leg position, my hip stiffness has definitely reduced, both while sitting and when moving my body.

3. My knee pain got better

Sitting cross-legged puts your knees into flexion and with a long-standing knee injury, I didn't realize that sitting like this for long periods could be exacerbating my knee pain.

Since changing up my desk posture, I’ve experienced much less achiness in my knees. Win-win.

Is sitting cross-legged bad for you?

According to O’Leary, it’s not the actual position that’s bad and making my hips feel sore, but the amount of time I spend cross-legged.

“As with any position, sitting for extended periods of time can cause discomfort, simply because we function best when we move regularly,” she explains.

"Sitting cross-legged may be comfortable for some people because it actually requires you to use your postural muscles a bit more and makes it easier to sit with a neutral, balanced posture," she explains.

What is the ideal desk posture?

There are a few things to consider when it comes to supporting your body while sitting at a desk.

O’Leary suggests keeping the following in mind:

  • Your hips should be slightly higher than your knees.
  • Your feet should be flat on the floor.
  • There should be one or two inches between the back of your knee and the chair.
  • Your elbows should be slightly higher than your wrists.
  • Your computer screen should be roughly one arm's length away and at eye level.

But, the most important thing, O'Leary says, is to move regularly.

“Regular changes of position helps to lubricate joints through the movement of the synovial fluid inside. This helps to prevent muscle aches and pains that are caused by reduced blood supply to muscles,” she explains.

“Sustained sitting can lead to mild aches, pains and stiffness,” she adds.

If you find that your feet don’t touch the floor, then placing your feet on a box or a specialist footrest can be helpful, says O’Leary.

This turned out to be the most useful thing I did to make sitting at my desk—without crossing my legs—more comfortable.

Contributor

Alice Porter is a freelance journalist covering lifestyle topics including health, fitness and wellness. She is particularly interested in women's health, strength training and fitness trends and writes for publications including Stylist Magazine, Refinery29, The Independent and Glamour Magazine. Like many other people, Alice's personal interest in combining HIIT training with strength work quickly turned into a CrossFit obsession and she trains at a box in south London. When she's not throwing weights around or attempting handstand push-ups, you can probably find her on long walks in nature, buried in a book or hopping on a flight to just about anywhere it will take her.

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