Harley Pasternak's List of Annoying Gym Mistakes People MakeHarley Pasternak Gym Tips

Fitness trainer Harley Pasternak has helped celebrities like Halle Berry, Kim Kardashian, Rihanna, Katy Perry, Lady Gaga and Jessica Simpson get the silhouette they always wanted. Throughout his career, he saw a variety of fitness mistakes people make at the gym. 

From mistakes that delay results and can even result in injury to gym etiquette rules that often end up being broken, here are some behaviors the famed celebrity trainer advises everyone to avoid:

Gym mistake No.1: Doing Too Much, Too Fast