Check out this vocabulary list for doing exercise in Spanish. With this cheat-sheet you can narrate your workouts to yourself, learn parts of the body, and practice exercise-related terms.
How to use these cheat sheet:
Read through the sheet to see how many words you already know or can figure out from the context. Then, if you get stuck, you can check out the English translation here.
Once you feel comfortable with the meaning of the words, go out into the world to practice using them in-context. You’ll remember more vocabulary if you put it in place with other related words, so make sure to add notes to the sheet to make it yours.