Background: The cause of non-specific lumbopelvic pain is unknown. Pregnancy-related pelvic girdle pain seems to be a subgroup that deserves a specific treatment. One of the options is the use of a pelvic belt. Aim: To objectify the influence of a pelvic belt in patients with pelvic girdle pain. Design. Case-control study. Setting: Outpatient clinic. Population: A total of 49 women with long-lasting posterior pelvic girdle pain and 37 parous women of the same age group without pelvic girdle pain. Methods: Hip adduction force was measured by asking the participant to squeeze a hand-held dynamometer between the knees. This was firstly performed without a pelvic belt and then with a pelvic belt. The increase of hip adduction force after applying the pelvic belt was expressed in percentages. Results: After tightening a pelvic belt hip adduction force increased 25.9±33.9% in patients with pelvic girdle pain (P<0.0001) and 1.0±8.6% in participants without (P=0.67). The difference between groups was significant (P<0.00001). ConclusionS: A pelvic belt has a positive influence on hip adduction force in pregnancy-related posterior pelvic girdle pain. Clinical Rehabilitation Impact: The results show an objective positive effect of the pelvic belt in women with long-lasting pregnancy-related posterior pelvic girdle pain in a test-situation. The results support the idea that the use of a belt could be part of a multidisciplinary rehabilitation of those patients.

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Keywords Braces, Muscle weakness, Rehabilitation
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Journal European Journal of Physical and Rehabilitation Medicine
Mens, J.M.A. (2017). Does a pelvic belt reduce hip adduction weakness in pregnancy-related posterior pelvic girdle pain? A case-control study. European Journal of Physical and Rehabilitation Medicine, 53(4), 575–581. doi:10.23736/S1973-9087.17.04442-2