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My back/lower back cracks when i do bicycle crunches?
Should this be ignored? I only started doing this exercise yesterday. any advice?- imported_=_=
- Thread
- Replies: 0
- Forum: Discuss Biking
-
I
My back/lower back cracks when i do bicycle crunches?
Should this be ignored? I only started doing this exercise yesterday. any advice?- imported_=_=
- Thread
- Replies: 1
- Forum: Discuss Biking