MuscleWiki
Function: Fitness Videos
Introduction: A fitness video website that provides mobile access, but there are in-app purchases on the mobile platform.
This website has a comprehensive library of fitness videos. By clicking on different body parts, you can find exercises specifically targeting certain muscle groups. There are three levels: beginner, intermediate, and advanced. Additionally, for each body part, you can choose exercises such as bodyweight training, equipment training, dumbbell exercises, stretching, and more.