Muscle Fitness Crossword

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Across
  1. 4. ability of a muscle to apply maximal force once
  2. 7. a group of Repetitions
  3. 10. speed of a movement
  4. 11. muscle found in the heart
  5. 13. completion of a single movement of an exercise
  6. 14. shortening of a muscle during exercise
Down
  1. 1. muscle found surrounding organs
  2. 2. muscle fibers used to sprint 50 yards
  3. 3. ability to repeat muscle movements
  4. 5. type of muscle that allows movement/exercise
  5. 6. increase in muscle size
  6. 8. no change in the length of a muscle during exercise
  7. 9. lengthening of a muscle during exercise
  8. 12. muscle fibers used to run a marathon