Under-arm hair. A controversial issue amonst those who like to show off their body image -- and those who perform, like professional acrobats, shirtless. To shave it off, or not? We prefer the natural look, actually, and never have. Some disagree and take things even further, shaving chest hair and even upper back hair if they have it. Today's images explore the very popular 'arms up' poses so frequently posted by proud lifters and trainers. We leave you to judge which images you prefer! Let's go... ...