one case of right limp for 25 years

she have right limp fore 25 years. she got injury in right toe, while skipping, she had pain on toe for 1 month, then she got second toe injury, her right toe kicked to wall , then made her limp to now. while she walk with heels, it is normal, but it is bad while she walk with toes, pushing right toe, her right foot is tremor. no pain, no weakness, no numbness on right foot. i have not a idea which body’s party problem, toe ？，nerve? lower back? or brain? or mental problem? but I give acupuncture on lower back, feeling much better after one session. keeping treatment.