heel involuntary movement

[petesrepairs]

My girlfriend has a 3 diagnoses of a mitochondrial disorder and coupled with a stroke has been learning to walk again. However she has recently started having issues with her "difficult" leg. Her heel has started to rise and fall off its own accord. It's not always happening, however it does happen when she's sitting or even lay in bed trying to sleep. Can anyone help or offer a suggestion as to what it is or can do.

Thank you.
Pete

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[physiobob]

For the heel to rise it requires muscles in the back of the lower leg (calf and toe flexors etc) to switch on and contract. This is not uncommon following brain injury and can be the result of random signals to the leg from the brain or a reaction to the pressure of the foot on the floor or a sensory organ in the tendon that attaches to the heel area. I suppose working out the trigger will then help address a solution.

[dailyPT]

Ankle clonus? Not sure though.