30R*3

The video likely worked due to its clear, concise visual demonstration of exercises, making it easy for viewers to follow along and understand the workout routine. The use of on-screen text for reps and sets provides essential information without requiring narration.

The video displays a series of exercises for a full-body workout, with each exercise shown with its recommended repetitions and sets. The exercises target different muscle groups, including abs, back, chest, neck, and arms, and are presented visually with accompanying text.