i just got a bench for my room at home and i have a feww dumb bells, 25, 35, 45. i am working on my chest and when i do bench inclines i don't get any burn in my chest. i feel it all in my arms. am i doing something wrong or are my arms to weak right now to do them long enough for a burn in my chest? also if you any any good bench work outs please share thanks.