Are shrugs good for shoulders?

Related questions

1. Is it bad to roll your shoulders when doing shrugs?
2. Do shrugs build traps?
3. How often should I work traps?
4. Are shrugs a waste of time?
5. Do shrugs build shoulders?
6. Do shrugs really work?
7. Should I do shrugs with back or shoulders?
8. What are shrugs good for?
9. Are shrugs back or shoulders?
10. How often should I train traps?

Tags

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2. #exercise
3. #choice
4. #strengthening
5. #modified
6. #minutes
7. #fitness
8. #upper
9. #better
10. #popular
11. #shrugs
12. #anywhere
13. #muscles
14. #shoulder
15. #strength
16. #perfect
17. #levels