As others have mentioned, core exercises will be key here.
Some more traditional non-core exercises like squats and deadlifts will be engaging your core muscles (and a reminder that your ‘core’ is your whole trunk/body and not just your abs!), but you can progress this along with additional core exercises.
As someone that sits a lot for work, I really like to do ‘supermans’ and variations of them, a basic one is to lie flat on your stomach with arms and legs extended, then raise your arms and legs off the floor. You can hold, do them as reps, “swim” in the air, add in some pulls (like an overhead row if you have a resistance band or something you can attach in front of you).
Yoga has been mentioned below, but I would add Pilates to the list as well, there are plenty of core exercises to go at.
Yo… I was referred to them in April 2024 and got my diagnosis in November… it was a long slog but eventually came through.
When I first picked them as the RTC partner the wait time was only like 6 weeks but by the time my GP got around to it the waitlist got much longer 🤦♀️.
The process with them has been good though, so best of luck!