Amputees with Parkinson’s!

Hi, I was just wondering if there is anyone on the forum like me.
I am a 65 year old bilateral leg amputee which presents problems with keeping fit and exercising. All the recommendations are to keep fit and do exercises which can present problems for me. I currently do Archery and sailing (not at the same time).
Any ideas and would like to hear from anyone in a similar position.Thanks