I have taken too many photos of late and to my surprise, I am actually sore on my left shoulder, left pec, and left forearm. I have been physical all my life with weight lifting, cardio workouts and it took me a couple of days to realize what exactly is wrong after visiting my chiropractor. So I own a Nikon Coolpix P900 and I'm never really sore or just don't realize when I'm enjoying taking pictures of nature and birds and so forth. Interestingly I think my camera weighs almost or five pounds or two something kilos in European talk. So hopefully my muscles will calm down a bit in the next few weeks. Being a senior I'm used to living with pain. It happens when your parts exceed normal expectations after so much you have done in your life it eventually catches up with you. For one I broke my collar bone in my twenties and my skeleton is not exactly the same on both sides. Being flat-footed did me no favors too for laughing out loud. Oh well, I'm standing on a Soap Box here so I like to know is there anyone else in the photography world that has this happened to them?