Abstract:
BACKGROUND:Many women have low back pain (LBP) or pelvic girdle pain (PGP) during pregnancy, but there is limited evidence of effective primary and secondary preventive strategies. OBJECTIVE:The purpose of this study was to investigate whether a group-based exercise program can reduce the prevalence and severity of LBP and PGP in pregnant women. DESIGN:An observer-blinded randomized controlled trial with equal assignments to a training group and a control group was conducted. SETTING:The study was conducted in primary care maternity units in 2 suburban municipalities in the southeastern part of Norway. PATIENTS:The participants were 257 pregnant women who were healthy and between 18 and 40 years of age before gestation week 20. INTERVENTION:The training group received supervised exercises in groups once a week, and the control group received standard care. MEASUREMENTS:The main outcome measures were self-reported LBP and self-reported PGP. Secondary outcome measures were pain intensity in the morning and evening, disability, and 8-Item Short-Form Health Survey (SF-8) Physical Component Summary (PCS) and Mental Component Summary (MCS) scores. Follow-up measurements were performed at gestation weeks 24, 28, 32, and 36. RESULTS:Overall, there was no effect of the program on the prevalence of PGP (odds ratio = 1.03, 95% confidence interval [CI] = 0.66 to 1.59) or LBP (odds ratio = 0.77, 95% CI = 0.50 to 1.19). For the secondary outcomes, the estimated mean differences between the groups were -0.4 (95% CI = -0.8 to 0.1) for pain intensity in the morning, -0.4 (95% CI = -1.0 to 0.2) for pain intensity in the evening, -1.0 (95% CI = -2.2 to 0.0) for disability, 1.8 (95% CI = 0.0 to 3.7) for the SF-8 PCS, and -0.6 (95% CI = -2.2 to 1.4) for the SF-8 MCS. LIMITATIONS:Due to low statistical power, the estimates for the primary outcomes are imprecise. CONCLUSIONS:Supervised group exercise did not reduce the prevalence of LBP or PGP in pregnancy.
journal_name
Phys Therjournal_title
Physical therapyauthors
Eggen MH,Stuge B,Mowinckel P,Jensen KS,Hagen KBdoi
10.2522/ptj.20110119subject
Has Abstractpub_date
2012-06-01 00:00:00pages
781-90issue
6eissn
0031-9023issn
1538-6724pii
ptj.20110119journal_volume
92pub_type
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