How can I get rid of arm fat and knee-crotch lump?

Fat & lumps. You can not spot lose fat. If you have actual lumps - would recommend medical evaluation of these.

Related Questions

It is normal to have many stretch marks - knees, under arm, buttocks? I'm not fat. How to get rid of these?

17 and growing. 'Stretch' marks aren't really 'stretch 'marks. As you grow, you make skin. If you grow rapidly, like now, you can't make skin fast enough, so you make scar or 'stretch' marks. Not much you can really do about them. I would be interested to hear from our plastic surgeons out there about the subject tho . Read more...