Unfortunately those etiquette classes your mom dragged you and your sibs to when you were younger did not teach you workout class protocol because they anticipated you going to thousands of tea parties, yet never bothering to haul ass to barre. Luckily, we're here to teach you how fitness class decorum works. Here are some faux pas you could be making that rub others the wrong way! And don't worry, we're guilty of committing these as well.

[Photo via @bandier]