why cant i do pushups?

[SassyQ]

I can carry heavy things but cant do 1 pushup! whats the main muscle used? what muscles should i be working out so i can do pushups?

i know its a silly question but i really want to do them lol im tired of my brother calling me weak lol

 

[Blondie_Bombshell]

Push ups work your whole upper body. Start doing them on your knees (girl push ups) and then progress to going on your toes.

I felt the same way when I first started working out and I couldnt do any pull ups.