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...Traction for low back pain with or without sciatica wegner et al overview of the study objectives to assess effects compared placebo sham reference treatments and no treatment in people lbp methods evidence current up august participants adults older treated acute subacute chronic phases interventions any type outcomes o primary intensity specific functional status global measure improvement return work secondary not specified results conclusions trials quality effective patients sub at short term moderate little difference effect other mixed symptom patterns both long physiotherapy alone better adverse events seven studies reported such as increased aggravation symptoms anxiety during these do provide that either combination has a large on...