Thanks so much guys! I got a trainer but she only does one muscle group per session, so all these suggestions were nice so I can stay on track the days I am not with her

Just starting back into working out......I've got leg routine pretty well down, but wondering in what order should I do upper body....I am on the road to losing @100 lbs, so ANY input is awesome!!! Also any great butt exercies!! =) I am starting off with 3 days per week for strength training, how sh...