作者: Breanna R Dumke , Lauren H Theilen , Janet M Shaw , K Bo Foreman , Lee E Dibble
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摘要: Approximately 25% of pregnant people fall, but the underlying mechanisms of this increased fallYrisk remain unclear. The purpose of this study was to determine if pregnant people exhibit increased sway at the lumbar spine and impaired sensory integration for balance control compared to healthy nonpregnant controls. 30 pregnant people (first trimester: n 10, second trimester: n 10, third trimester: n 10) and healthy, nonpregnant control people (n 10) stood quietly for one minute in four conditions: eyes open on a firm surface (EO firm), eyes closed on a firm surface (EC firm), eyes open on a foam pad (EO foam) and eyes closed on foam (EC foam). Postural sway was quantified using the root mean square (RMS) accelerations in the anteriorY posterior (AP) and medialYlateral (ML) directions from an inertial sensor at the lumbar region. Sensory sway ratios were calculated between the EO firm and EO foam (visual …