Abdominal activation during pelvic compression

Study to determine the effect, if any, on abdominal muscle activation with and without pelvic compression.

Due to the prevalence of low back pain, understanding the sacroiliac (SI) joint and its anatomical role are essential in designing patient specific physiotherapy interventions. When dealing with non-specific low back pain (NsLBP) of SI origin current physical therapy approaches typically include lumbopelvic stabilization and compression belts. With this in mind, the authors wanted to determine the effect pelvic compression had on deep abdominal musculature during an active straight leg raise (ASLR). Overall it was shown that despite patients with SIJ pain reporting less pain with compression, the pelvic compression did not alter the muscular activity of the deep abdominal musculature (transversus abdominus and internal oblique) as measured as a percentage change in thickness of TrA and IO.


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