Having trained quite a lot of women for the past 9 years, (in addition to making these mistakes myself earlier in my training career) here are my top 4 mistakes most women make at the gym: 1. Lifting too light If men lift too damn heavy, women are on the other side of the spectrum and tend to go easy on the weight they use. I don't know if this is because of shit trainers like Tracy Anderson who popularize the myth that women shouldn't lift more then 3 lbs if they want to