High Performance

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Across
  1. 4. speed your heart beats
  2. 8. duration
  3. 10. what sort of exercise
  4. 11. Being specific
  5. 13. energy source
  6. 15. Exercise and sports
  7. 16. Difficulty
Down
  1. 1. different options
  2. 2. long duration exercise
  3. 3. physical or mental effort
  4. 5. short and intense
  5. 6. Maximum
  6. 7. frequent
  7. 9. ability to keep going
  8. 12. getting hurt
  9. 14. breaks or timeout