and also im trying to gain muscle but do not know any thing i can d as i am no told enough to go to teh gym yet (as im only 14) what exersies can i do at the mo i just lift my wegits for my arms and seit ups and press ups

but i need to do my legs and pecs and chest an stuff but not sure what i can do to gain muscle there
and the only equpment i have iz my weghts

and if u have any ideas could you explain how to do them

tahnx