[논문]Sex Difference in the Range of Pelvic Tilt in Sitting and Standing Among Korean Young Adults

Yoon, Jangwhon

doi:10.12674/ptk.2020.27.2.149

Sex Difference in the Range of Pelvic Tilt in Sitting and Standing Among Korean Young Adults 원문보기

한국전문물리치료학회지 = Physical Therapy Korea, v.27 no.2, 2020년, pp.149 - 154

Yoon, Jangwhon (Laboratory of Biomechanics (LABIO), Department of Physical Therapy, Hoseo University)

Abstract ▼ AI-Helper

Background: The range of pelvic tilt is one of modifiable risk factors in preventing the lower back pain. Objects: The purpose of this study were to compare the range of pelvic tilt motion by testing position and sex. Methods: One hundred five young adults (61 females and 44 males) agreed to participate in measuring the anterior and posterior pelvic tilt with the PALM (Palpation Meter) in sitting and standing. The range of pelvic tilt motion was defined as the difference between the pelvic anterior and posterior tilt angles. Results: In general, the anterior pelvic tilt was greater (p < 0.01) in standing than in sitting and the posterior pelvic tilt was lesser (p < 0.01) in sitting than in standing. The anterior pelvic tilt in sitting and standing was greater (p < 0.01) in the females than in the males. However, the effect of sex on the posterior pelvic tilt was only significant in sitting (p < 0.01), but not in standing (p = 0.78). The range of pelvic tilt was greater (p = 0.03) in sitting but not significantly (p = 0.07) affected by the sex. Conclusion: The pelvic tilt motion in these young adults showed large variability and further studies are needed to understand better its relationship to the prevalence of the lower back disorders.

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문제 정의

The active range of pelvic motion in standing and sitting can be a fundamental dynamic variable easily assessed in a clinical setting. The purpose of this study was to compare the range of pelvic tilt measured in standing and sitting position between the young male and the female participants.
The purpose of this study was to compare the range of pelvic tilt motion by testing position and sex. The anterior pelvic tilt was greater in standing than in sitting and the posterior pelvic tilt was lesser in sitting than in standing.
Majority of previous studies regarding pelvic tilt has focused on the static neutral angle in standing [5,15,19-21] or on the dynamic angular displacement as a part of the lumbosacral coordination during deep bending forward [1,9,22-24]. This study focused on the active range of pelvic motion in sitting and standing which is calculated from the maximal voluntary anterior and posterior tilt angle. The active range of pelvic motion in standing and sitting can be a fundamental dynamic variable easily assessed in a clinical setting.

대상 데이터

One hundred five volunteers (61 females and 44 males) without any on-going pain or history of major injury or surgery in the spine and lower limbs were participated in this study. Participants signed an Institutional Review Board approved (approval No.

데이터처리

For statistical analyses, repeated-measures ANOVA was used to test whether the outcome variables were associated with the testing position (a within-subject effect, sitting and standing) and sex (a between-subject effect).
For statistical analyses, repeated-measures ANOVA was used to test whether the outcome variables were associated with the testing position (a within-subject effect, sitting and standing) and sex (a between-subject effect). In case of significant interaction between sex and testing position, sitting and standing data were separately tested using the independent t-test. All analyses were conducted with SPSS version 20 (IBM Co.
The maximal pelvic anterior and posterior tilt angles were measured at the end of active range of motion on the dominant side in sitting and standing. The order of measurement was randomized using the random formula in Excel (Microsoft, Redmond, WA, USA). Participants were asked to wear a short pants to visually inspect the alignment of lower extremities.

성능/효과

Intraclass correlation coefficient values (95% confidence Interval), standard error of measurement and smallest detectable change values for intra-rater reliability of sagittal pelvic position was 0.92 (0.80–0.97), 0.7 and 1.8 degrees in standing and 0.90 (0.74–0.96), 1.5 and 4.0 degrees in sitting [20].
The main effects of position (F = 261.25, p < 0.01) and of sex (F = 5.4, p = 0.02) on the posterior pelvic tilt were both statistically significant.
The main effects of testing position (F = 5.17, p = 0.03) was statistically significant but the effect of sex (F = 3.29, p = 0.07) on the pelvic range of motion was not statistically significant.

후속연구

The pelvic tilt motion has fairly large variability even though the participants were young and healthy. There should be more studies to figure out the influence of pelvic orientation on whole-body posture and body mechanics. Furthermore, studies are needed to understand better its relationship to the prevalence of the lower back disorders.

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연합인증

Sex Difference in the Range of Pelvic Tilt in Sitting and Standing Among Korean Young Adults 원문보기

Abstract ▼ AI-Helper

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성능/효과

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참고문헌 (32)

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연합인증

Sex Difference in the Range of Pelvic Tilt in Sitting and Standing Among Korean Young Adults 원문보기

Abstract ▼ AI-Helper

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문제 정의

대상 데이터

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성능/효과

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참고문헌 (32)

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