Muscular Fitness Jack Calamita

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Across
  1. 3. exercises that use your own body, like push-ups
  2. 5. when your muscles get bigger
  3. 6. when your muscles work but do not move
  4. 8. how strong your muscles are when you lift something heavy
  5. 11. when a muscle gets shorter while working
  6. 14. exercises that make your muscles stronger using weights
  7. 16. when your muscles move and change length while working
  8. 19. the most weight you can lift one time
  9. 20. exercise machines you use at the gym
Down
  1. 1. doing two exercises back to back with no rest
  2. 2. weights like dumbbells or barbells you can move freely
  3. 4. how strong your stomach and back muscles are
  4. 7. when a muscle gets longer while working
  5. 9. doing different exercises in a row with little rest
  6. 10. when your muscles get smaller from not using them
  7. 12. how long your muscles can keep working without getting tired
  8. 13. doing the same exercise one time
  9. 15. slowly making exercises harder to get stronger
  10. 17. a short break between exercises
  11. 18. a group of repetitions done together