Do the pushups according to the song Bring Sally Up while following the video. Whenever you hear "bring Sally up" go up and when you hear "bring Sally down" you go down with push up. The goal is to reach until the end of the song/video.

Original video: https://www.challengeachieved.com/post/here-is-original-video-where-the-challen-60661f0c44ddf44641dba522

Stronger upper body muscles.