find out the best workout for a 6 foot guy at 73 kg who want...

Prompt

find out the best workout for a 6 foot guy at 73 kg who wants to build muscle at home. he has a backpack that weighs about 21-22 kg when full with two 5 kg dumbbells, one 2 kg one and lots of books. of course, he can take them out if he wants to. he also has a pull up bar. do all the studies, search for everything, prove everything, have evidence for all of your statements and words, and find an efficient way to build muscle at home.