I am 174 cm (5.7 ft) and 55 kg (121 lbs). Very skinny as you can see. Most of the workouts I read on the internet seem to be for losing weight, which is not my case here. I think I need to GAIN weight.
I can't afford gym, all I have are two pairs of dumbbells (11 lbs and 4.4 lbs). Any ideas?.