How do you know what exercises to do at the gym?

The best way to know what exercises to do at the gym is to consult with a certified personal trainer. A personal trainer can assess your fitness level and goals and create a customized workout plan that is tailored to your individual needs. Additionally, many gyms offer group classes that can provide guidance and instruction on how to perform various exercises. Finally, there are many online resources that can provide information on different exercises and how to perform them correctly.