Some training mistakes you’re making when lifting weights

4. Mirror mirror

Check yourself Flexboy, those mirrors aren’t for creating Tinder profiles. They’re in the gym so you can keep your technique where it should be. If you aren’tholding a weight there’s no reason to look at a mirror. Things to look out for in mid-session include barbells that aren’t parallel to the floor (indicating muscle fatigue in your less dominant form) or a swaying torso (meaning you’re using momentum rather than distinct muscle groups to get a weight up and down).