Numbness : Numbness that shoots from the big toe up the lower limb and triggered by movement of the toe sounds like neuritis. Neuritis is caused by irritation or injury to a nerve. In this case, the involved nerve could be one of the digital (that's digit as in toes) nerves to the big toe, the medial plantar nerve, or the posterior tibial nerve. Since feet take such a beating, from things including the activities we do and the things we wear on our feet, it is not surprising that the nerves in our feet can be injured. Digital nerves can sometimes become swollen, causing something called morton's neuroma. The medial plantar nerve can be hurt by badly-fitting arch supports. The posterior tibial nerve can get pinched at the ankle, something called tarsal tunnel syndrome. Foot nerves can also be made more liable to injury by other conditions, like diabetes and vascular disease. Podiatrists, who specialize in diagnosis and treatment of diseases of the feet, may be a good resource for foot nerve injuries.
Answered 10/3/2016
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Is trigonum: This is likely tendon related. By moving your big toe open down, you're using the long flexor to the toe. You may have an extra bone behind your ankle called an os trigonum. This can literally shoot pain up into your leg. Otherwise, this could be related to carpel tunnel syndrome. Read about both on the internet. See local podiatrist.
Answered 4/28/2014
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