囚徒健身-徒手锻炼宝典 is a free iPhone app developed by 叶 李. It falls under the Lifestyle category with a subcategory of Health & Fitness. This app provides a training guide with instructional videos to help users build strong muscles through bodyweight exercises. It is a must-have for home workouts and offers short videos on fitness basics. Users can also track their daily fitness progress.

The app features the "Six Arts and Ten Styles" exercise method, with each style having specific indicators and intensity levels. Users can follow the instructions to perform the ten exercises. The app also includes a comprehensive explanation of the "Prisoner Fitness" program and video tutorials for each exercise. Additionally, it provides answers to common fitness-related questions.

Download囚徒健身-徒手锻炼宝典 now and start your fitness journey!