Planet __: gym chain (7)

I believe the answer is:

fitness

(Other definitions for fitness that I've seen before include "condition" , "Competence" , "State of good health" , "Suitability - health" , "Well-being" .)

I've seen this clue in the LA Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.