For upper body strength I’ve preferred the moment of the best exercises of all time and extra excess weight to it. This is the Weighted Pullup, which you'll be able to put in place with my Pet dog leash trick or simply by grabbing a dumbbell in between your ankles. https://emiliofteqf.alltdesign.com/the-definitive-guide-to-back-exercises-with-dumbbells-52553603