Sam Hopes, a fitness writer, introduces a 3-move bodyweight shoulder workout to target the triceps, pecs, and delts, which can be completed in 20 minutes. These exercises offer an effective way to challenge muscles over time and enhance upper body strength. The three exercises consist of wall walks, dive bomber push-ups, and decline push-ups, and are recommended to be performed in rounds with a rest interval.
  

Key Points: 

1. The 3-move workout is designed to reinvigorate stale chest and shoulder routines using bodyweight alone.
2. The three exercises – wall walks, dive bomber push-ups, and decline push-ups – form a giant set to be performed back-to-back.
3. To see improvements, consistency and progression, known as progressive overload in the fitness industry, are crucial.
4. Performing high reps of these exercises can increase strength, build lean muscle, and enhance muscular endurance.
5. Proper warm-up and post-workout stretching are recommended to prevent injuries and ensure recovery.

Source: https://www.tomsguide.com/features/this-3-move-bodyweight-shoulder-workout-carves-your-pecs-deltoids-and-triceps-in-20-minutes