But in addition to asking others for help, you can also ask the coach in the gym for help, even if you don't ask a personal trainer, because the gym usually has coaches to patrol and solve problems in the process of fitness, so if you have any questions, you can also ask them for advice.
In fact, some equipment in the gym is still relatively simple. When you really see the equipment, you can exercise according to some instructions on the equipment, without asking others, and you can understand it at a glance.
But if you are too shy to ask others and don't understand. You can search how to use these devices from the internet, and there will be detailed videos on the internet to explain how to use these devices.
Moreover, if someone next to you is exercising this equipment, you can secretly observe how they do it and then use this equipment according to their usage. This is also a very good method, but be careful not to pay too much attention to your eyes, because then others will feel uncomfortable.
But if it's Xiao Bai, you'd better ask a personal trainer to take you to study, because you don't know anything at this time. If you have a personal trainer, they can make a special training plan for you according to your figure, and will also guide your posture.