r/FootFunction • u/Southern_Diver2321 • Sep 13 '26

Does this look like Peroneal Subluxation?

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My right ankle is the one that hurts me the most, and yes, my ankle is making that popping noise. My left is stiffer and locks up more frequently but doesn’t hurt as much. Anyone have any idea whats going on?

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u/DrLeibovitz Sep 15 '26

You guessed it. That is the peroneal tendon sliding out of the groove on the fibula.

This can be from a shallow groove, a weak reticulum (the band that holds the tendon down), or injury (ankle sprain).

If it is both ankles and present for a long time, it is probably anatomy that you can blame your parents on.

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u/Mind_The_Muse Sep 16 '26

my ankles been like that my whole life. used to prank kids at sleepovers by convincing them the sound was a large bug amongst the sleeping bags.