>>1869240240 minute fast walk and up a gradient a day. 30 pressups, Dumb bells every three days, two arm shoulder raise, shoulder press, spider curl and maybe some squats.
I don't want to build body mass so it's just to keep trim and for longevity. I did start a ab course, I chose this:
https://www.youtube.com/watch?v=HrpW5PliIdU&t=116s