An increase in intrabdominal pressure by expanding the lungs could lead to an increase in intra-spinal pressure. So could a sneeze or bearing during a bowel movement. If there was a narrowing of the nerve foramen for the L4 nerve root (the nerve supplying sensation to the knee) or a bulging disc at the region of the L4 nerve, the aggravation from the increased pressure could cause your symptoms.
Answered 6/29/2021
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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