20x5 sets

The video likely worked due to its clear, concise visual demonstration of exercises targeting common aesthetic and postural concerns. The use of simple text overlays and a split-screen format makes it easy to follow and understand the benefits of each movement.

The video demonstrates a series of exercises targeting posture and body shape. It shows four distinct exercises with accompanying text overlays indicating their benefits, such as eliminating accessory milk, improving hunchback and sagging, and relieving shoulder and neck tension.