고 뛰다

run wearing or doing something

The -고 clause is what you have on, or what you do, while running: 양말 신고 바로 신발 신고 뛰어 "socks on, shoes on, and off you run", 옷을 벗고 뛰고 달리고 "running about with their tops off". 걷지 말고 뛰어라 — "don't walk, run" — appears twice; it is the Running Man catchphrase. 뛰다 covers both running and jumping, so the surrounding words settle which one is meant.