Hi major question?

Hi I'm also trying to lose weight too. It sounds like your doing great in cardio!! for your arms, get two 10 pound dumbells and do tricept extentions and Lifting it up. do about 30 of them in a row with 3 sets of them. then do push ups (about 50-100[depending on how strong your arms are] in between those take a break every 25 you do!! every day add one more push up on your reps of them. ex one day I do 25 push ups in a set next day I do 26 push ups. Keep on increasing!! good luck!!