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Correlation between Foot Arch Index and Intensity of Foot, Knee and Low Back Pain among Pregnant Women in a South Eastern Nigerian community.

Correlation between Foot Arch Index and Intensity of Foot, Knee and Low Back Pain among Pregnant Women in a South Eastern Nigerian community.
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Ojukwu CP, Anyanwu EG, Nwafor GG,


Ojukwu CP, Anyanwu EG, Nwafor GG, (click to view)

Ojukwu CP, Anyanwu EG, Nwafor GG,

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Medical principles and practice : international journal of the Kuwait University, Health Science Centre 2017 09 19() doi 10.1159/000481622
Abstract
OBJECTIVES
To assess the arch height index of pregnant women and its correlation with foot pain, anterior knee pain and low back pain.

SUBJECTS AND METHODS
Two hundred and fifteen (215) consenting pregnant women participated in this cross-sectional study. Arch height index was assessed from their foot prints while pain intensity was rated on a numerical pain rating scale. Data was summarized with descriptive statistics and Pearson’s correlation was used to determine correlations between the variables at p<0.05. RESULTS
Of the 215 pregnant women, 123 (57.2%) and 127 (59.9%) had low arch heights on the right and left feet, respectively, and the mean arch height indices were right foot: 0.27±0.71 and left foot: 0.28±0.07. Prevalence of foot, knee and low back pain was 65 (30.2%), 43 (20.0%) and 93 (43.3%), respectively. Person correlation analysis did not reveal any significant relationship (p>0.05) between foot pain and each of the right (r=-0.010, p=0.886) and left (r=0.004, p=0.955) arch indices as well as between knee pain and each of the right (r=0.042, p=0.536) and left (r=0.045, p=0.515) arch indices. A similar trend was observed for the low back which also did not show any significant relationship with each of the right (r=0.026, p=0.703) and left (r=0.097, p=0.157) arch indices.

CONCLUSION
The study participants had a high prevalence of low foot arches, indicating pes planus. Low back pain was most common compared to foot and knee pain. The foot arch heights did not show any relationships among the intensities of foot, anterior knee and low back pain.

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