All content in the video database, including titles, videos themselves, and others, is embedded from YouTube. The sources of the videos and the original content providers are clearly labeled with hyperlinks. Fitness Nook only categorizes the videos based on their content, and encourages users to visit the YouTube channels of the original content providers. Should you discover non-functional links, incorrect categorizations or any other issues, please feel free to contact Fitness Nook. Our team will do our best to correct these issues in a timely manner. Fitness Nook is not responsible for any users who infringes on the copyright or perform any illegal activities with the content from the fitness video database.