This happens mostly when I'm working out, doing either fast walking or running.

It occurs at the end of each stride, when my foot is far behind me and I push off the ground and readjust the angle of my foot to the ground as it lifts into the air; my ankle then cracks, like the noise of cracking your knuckles.

It will happen with each stride until I don't notice it anymore or it goes away. It happens to either ankle. I think it cracks as I'm pushing off the ground, but it might happen rather when I readjust my foot to being ready for my next step (either way it occurs at the end of each stride).

It's not painful at all, but I can't imagine it's healthy.

I'm ~5'10 and 135 lbs.

Thanks for any help.

unless you feel pain when they crack, Its just gas being expelled when your joints move apart. IF it hurts then you need a few scans to assess what damage is there.

My ankles crack with every movement I make all day, just gas in the joint. Unless it hurts no need to worry.

Purchase yourself an MP3 player, turn up until you can not hear cracking is how I fix that one.

There was a period of time when I worked in a cubicle farm and I could hear my boss coming before he actually showed up because he had loud ankles.

gray,

You must have sprained it many times before right? Haha...that's one of the common causal factors. Yes they could be a little loose, but no worries. It's perfectly fine like what (Silent) mentioned. Cheers and continue exercising! Great work!

Regards,
Sam Chng
LiveWithFitness.com

Every joint in my body creaks and cracks and i am only 19, so i wouldn't worry about it if i were you. I am most likely more broken than you.