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.
Why Stress Fracture Grading is BS for Runners
What is periosteal elevation in tibial stress reaction?
Why variety makes you stronger as a runner
My Stress Fracture Framework simplified
The most important ingredient for healing a stress fracture
Is the pain from injury or inflammation?
2 ways capsulitis can lead to plantar plate rupture
Osteoblast vs Osteoclast battle rebuilding bone after stress fracture
How long will it take my overtraining injury to heal?
3 running drills that can cause plantar plate sprain
Who’s fault if a runner is not getting better?
What is the most important ingredient to a runner after a plantar plate sprain?
Do not ask me if you do not know your pain numbers
Tall fracture boot vs Short fracture boot, which is better for runners?
Do I have to wait for a callus to go away before I can run?
How can I tell if I should have surgery to remove a big toe fracture fragment?
Best imaging study to assess non-union stability
Is two weeks on crutches better than one week with a tibial stress fracture?
Last chance option to avoid non-union surgery in a runner
Minimal restrictive intervention is the goal with runners
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