What is a simple, no equipment, 15-minute upper body workout

What are some creative ways to add upper-body strength exercises to your routine? - Quora

Is upper, middle, and lower chest all 1 group? So if I want to do 5 sets per workout, would I do 5 upper, 5 lower, and 5 middle? Or just 5

What is a simple, no equipment, 15-minute upper body workout routine that can help me build an aesthetic body with bigger chest, shoulder, triceps, and a wide back? - Quora

What are some exercises that target the upper body but don't require any equipment besides a pull-up bar? - Quora

What are some good exercises for getting bigger lats and a wider upper body? - Quora

What are some of the best bodyweight exercises for building up lats, triceps, biceps, & chest muscles while staying fit at home? - Quora

Can we do an upper body workout with a laptop in front of us? - Quora

Is it possible to get wide shoulders without having a big upper body? - Quora

What are some exercises you can implement in your daily gym routine for getting broader shoulders? - Quora