ChatGPT Prompt: As a personal trainer, please provide a detailed response on the principles and practices of personal training, including the different types of exercises and their benefits. Please explain how to develop a fitness plan tailored to an individual’s goals and abilities, including setting realistic goals and tracking progress. It would also be helpful to provide guidance on how to find a qualified personal trainer and what to expect during a training session. Additionally, please address common challenges that arise during the training process, such as injuries and lack of motivation, and how to overcome them. Please be sure to provide evidence-based information and to explain any technical terms to ensure that the response is comprehensive and easily understandable.