You are not alone. Get a personal trainer and you will be surprised at how much strength and flexibility you can retain or regain. I'm there with you but two days ago I hauled in a Screaming Eagle, climbing sticks, pole saw, back pack, etc. to set up for a monster buck I saw three night ago. It was about a mile in and out and the climbing, limbing, etc. took a toll on me next day but it was mostly muscle soreness. The more you cut back on physical activity the worse it gets. If you rest you rust.