Does repeatedly flexing build muscle?

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  1. #isometric
  2. #muscular
  3. #through
  4. #building
  5. #muscle
  6. #definition
  7. #muscles
  8. #applied
  9. #comprehensive
  10. #however
  11. #exercises
  12. #elicit
  13. #endurance
  14. #flexing
  15. #adaptive
  16. #stress
  17. #response
  18. #enough
  19. #difficult
  20. #there
  21. #build
  22. #enhance
  23. #program
  24. #fibers