Home exercise for body building?

push ups

stairs exercising-walking up and down stairs

on place jogging-just jog standing at one place

rope jumping

crunches

or

buy some light weight dumbells...and exercise as much as u want with them ;-)

aaand have a healthy diet with lots of fibre and proteins ;-)

1

push ups . . you can add weight to your back with books, etc

pull ups/chin ups

squats, squats and more squats - get some dumbbells or you can use other stuff for weight

lunges

buy some dumbbells and do military presses from a chair.

heck once you add dumbbells into the equation, there are a ton of exercises you can do. It's difficult to build muscle without weight. Squats are important because they are a trigger to muscle growth throughout your body, not just your legs.

Always warm up first. Run in place, do jumping jacks etc. Then u can do pull ups, push ups, crunches and standing lunges. (Step out, let one knee almost touch the floor then push back to standing position). Google free exercise routines and you'll get some great ideas. Best of luck.

if its possible to get your self one of the 'Total Gym' pieces of eqpt you will get a great workout for all muscle groups - it especially works the legs in a functional way so they develop strength in a functional way- the machine is designed to let you work against your own body weight first and then you can add extra bar weights...be safe and good luck

Push ups are by far the best overall muscle building excersize for upper body. For lower body try calf raises and leg lunges.

Check out http://hundredpushups.com/

do variations (such as inclined, one limbed, weighted(extra weight can be girlfriend, books, weighted clothes), reverse, slow motion, etc.) of bodyweight exercises such as pushups, crunches, pullups, dips, deep knee bends, squats calf raises, hyperextensions, etc...

also i know you said you dont have time for gym but can you really not spare 45 mins at most for something you really want? a good workout at the gym can be 30 mins

what is your goal?

lift heavy stuff in a controlled concentric motion repeatedly

U can do push-ups, crunches, dumples at home and jog..