There are diverse kind of exercises and weight lifting for obtaining more muscular mass in the area below the knees. There are also surgical silicone implants and even a treatment called CXC-Legs for reshaping that part of your legs.
It can do. Assuming you do no running already it depends on a few things, namely: a) How muscular your legs already areb) What type of running you're going to do - eg. Long distance, sprinting,...
This is quite a simple question. Sports will of course affect how muscular you are, but if you do not play a sport ( or a sport that does not involve working the muscles) try lifting weights and...
Exercise? It is also determined by your physiology. Steroids can help but are not reccomended. Perhaps it's better to be happy with your thin legs so long as you are fit.
Answer.
Lots of squats,...