Fitness posture guidance method and fitness posture guidance system

A fitness posture guidance system, comprising:

• a server device;
• and
• a user terminal device, comprising an image capture device, and connected to the server device through a network,
• wherein the server device is configured to execute:
• receiving a setting of a plurality of target fitness postures and at least one attention part of a target fitness action;
• obtaining a plurality of target frames respectively corresponding to the target fitness postures from an expert video according to a plurality of marked times;
• obtaining a professional angle range of the at least one attention part of each of the target fitness postures based on a plurality of body feature points of each of the target frames to generate an expert motion model of the target fitness action;
• and
• integrating the expert motion model with an application angle range of the at least one attention part of each of the target fitness postures in an application motion model to generate a final motion model comprising a final angle range of the at least one attention part of each of the target fitness postures,
• wherein the user terminal device is configured to execute:
• obtaining the final motion model of the target fitness action from the server device;
• and
• executing a prompt function according to the final motion model and a plurality of body postures in a real-time video stream captured by an image capture device.