Thank you for your query.
It is very difficult for us to tell the cause f the blood dots that you are mentioning till we have a look at the photograph. If she does not have arthritis
then an examination by an orthopedic surgeon will help you in knowing the reason why she has pain in her ankles and she runs in a funny and slow manner.
I hope I have answered your query to your satisfaction.
With best wishes for your grand-daughter.