Gait coördination in pregnancy: Transverse pelvic and thoracic rotations and their relative phase.

W Wu, O.G. Meijer, C.J.C. Lamoth, K. Uegaki, J.H. van Dieen, P.I.J.M. Wuisman, J.I. de Vries, P.J. Beek

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    Objective. To examine the effects of pregnancy on the coordination of transverse pelvic and thoracic rotations during gait. Design. Gait of healthy pregnant women and nulligravidae was studied during treadmill walking at predetermined velocities ranging from 0.17 to 1.72 m/s. Background. Pelvis-thorax coordination during walking is altered in women with postpartum pregnancy-related pelvic girdle pain. This coordination has not been investigated in a healthy pregnant population. Methods. Comfortable walking velocity was established. Amplitudes of pelvic and thoracic rotations were calculated. Their coordination was characterized by relative Fourier phase and its standard deviation. Results. Comfortable walking velocity was significantly reduced. The amplitudes of pelvic and thoracic rotations were somewhat reduced, with significantly smaller intra-individual standard deviations. Also pelvis-thorax relative Fourier phase was somewhat smaller, its intra-individual standard deviation was negatively correlated with week of pregnancy, and significantly lower at velocities ≥1.06 m/s. Conclusions. The general pattern of gait kinematics in pregnant women is very similar to that of nulligravidae. Still, it appears that pregnant women experience difficulties in realizing the more anti-phase pelvis-thorax coordination that is required at higher walking velocities. Relevance The present study shows that gait in healthy pregnancy is remarkably normal, but some differences in pelvis-thorax coordination were detected. In healthy pregnancy, anti-phase pelvis-thorax coordination appears difficult, but less so than in pregnancy-related pelvic girdle pain. Better understanding of gait in healthy pregnancy may provide insight into the gait problems of women with pregnancy-related pelvic girdle pain. © 2004 Elsevier Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)480-488
    JournalClinical Biomechanics
    Volume19
    Early online date1 Jun 2004
    DOIs
    Publication statusPublished - 2004

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