Is it OK to crack your back?

Related questions

1. Who is faster Hyper Sonic or flash?
2. What does Snickersnee mean?
3. What does Cattywampus mean?
4. What happens if you pop your knuckles?
5. What came first Super Sonic or Super Saiyan?
6. Why does popping back feel so good?
7. Is it bad to pop your back?
8. What happens when knuckles crack?
9. What does the saying Heavens to Betsy mean?
10. How can challenges be harmful?

Tags

1. #yourself
2. #tendons
3. #crack
4. #cracking
5. #muscle
6. #ligaments
7. #stretch
8. #attempt
9. #injuries
10. #however
11. #purposefully
12. #contraindicated
13. #pulls
14. #cause
15. #strain