Back pain: The popping noise is either coming from the lumbar facet joints above the fusion or the sacroiliac joints below the fusion. The popping is very similar to cracking knuckles and it is harmless. This is due to extra stress on the joints above and the below the fusion. Core exercises with strengthening of the stomach and back muscles will reduce the stress on the joints.
Answered 12/10/2016
4k views
Popping: The popping is most likely from gas like when popping your knuckles but please consider asking your provider if it worsens or persists.
Answered 8/5/2014
3.8k views
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