As previously reported (Icons passim), I tripped and fell on my way out of the AI conference last week, and have had some sort of problem with my right foot since. No pain, but it feels "flat" somehow.
I took advantage of yesterday's yoga class to give it a more thorough check. The issue seems to be that though I can move the foot down and two the sides, I can't move it, or indeed the toes on the end of it up.
According to ChatGPT:
The movement of the foot upwards is called dorsiflexion https://www.medicalnewstoday.com/articles/318930. It involves the contraction of the muscles in the front of the leg and foot, such as the tibialis anterior, the extensor hallucis longus and the extensor digitorum longus https://dermalmedix.com/foot-tendon-functions/. These muscles are connected to the foot by tendons that pass through the front of the ankle joint . The tendons help pull the foot upwards when the muscles contract.
Some possible injuries that can affect dorsiflexion are tibialis anterior tendonitis, which is inflammation or degeneration of the tendon of the tibialis anterior muscle https://www.sportsinjuryclinic.net/sport-injuries/ankle-pain/anterior-ankle-pain/tibialis-anterior-tendon-inflammation, and ankle joint restriction, which is when the ankle joint is tight or scarred and limits the range of motion Sometimes, a tendon transfer surgery may be done to restore more normal movement to a foot that has lost function due to nerve damage or muscle weakness https://www.footcaremd.org/conditions-treatments/ankle/tendon-transfer.
Deep peroneal nerve damage? Perhaps Ollie or Renu can point me in the right direction.
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