If you have pain under the big toe joint, it could be an injury called sesamoiditis. Sesamoid bones are like a pair of tiny little kneecaps under the big toe joint. They are about the size of kidney beans. If irritated enough, sesamoid can develop stress fractures.
Any inflammation of the sesamoid bones is called sesamoiditis.
But pain in the sesamoid area can also result from inflammation of the tendon sheath that goes around the flexor tendon. The flexor tendon sheath is just a tube around the tendon that actually helps the tendon glide as your big toe moves up and down.
The flexor tendon sheath is very close to the sesamoids. Sometimes it is hard for a runner to tell the two conditions apart.
There's a big difference between the two conditions and a big difference between the way that you would treat them.
What's the difference between flexor hallucis longus tenosynovitis and sesamoiditis?
Well, that's what we're talking about today on the Doc On The Run Podcast.
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How big toe position can help sesamoid stress fracture or bipartite sprain
Injured 5 weeks out from half marathon. Is there hope?
What does a fracture walking boot do?
Difference between a sesamoid fracture non-union and bi-partite sesamoid sprain
The #1 question for a runner with a second stress fracture
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How much earlier than X-ray can ultrasound prove fracture healing?
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What is a common cause of 5th metatarsal fracture in a trail runner?
Can the toenail grow back if the root of the nail is removed by biopsy?
When can I start running after metatarsal fracture if no healing on the x-ray?
When should I start working out with a plantar plate sprain?
Is it risky to run with cuboid fracture?
When can I run if my doctor says don’t run?
How likely is a setback if I run while stress fracture heals?
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