What happens if you flex too hard?

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Tags

1. #sprains
2. #exertion
3. #sometimes
4. #athletes
5. #muscle
6. #problem
7. #still
8. #injury
9. #right
10. #while
11. #point
12. #caused
13. #intensely
14. #which
15. #beginners
16. #flexing
17. #causes
18. #muscles
19. #comparatively
20. #cramps
21. #bulge
22. #forces