Focus on scenarios such as training injuries and post-operative recovery, and provide personalized rehabilitation plans. Identify the root causes of problems such as muscle strains and joint wear through professional assessment, design targeted rehabilitation training programs combined with nutritional supplement suggestions (such as protein powder intake), and provide 1-on-1 offline guidance and online video course follow-up services. Regularly monitor recovery progress and adjust training intensity and nutritional supplement plans to help users return to sports safely.