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Original Article
The Relationship between Lifetime Sports Activity Measured with MET and Peak Strain Score and Bone Measurement in College-aged Women
Eun-Nam Lee, Eun Jung Choi
Journal of Korean Academy of Nursing 2008;38(5):667-675.
DOI: https://doi.org/10.4040/jkan.2008.38.5.667
Published online: October 30, 2008

1Professor, Department of Nursing, Dong-A University, Busan, Korea.

2Part-time Instructor, Department of Nursing, Dong-A University, Busan, Korea.

Address reprint requests to: Lee, Eun Nam. Department of Nursing, Dong-A University, 1 Dongdaesin-dong 3 ga, Seo-gu, Busan 602-714, Korea. Tel: 82-51-240-2864, Fax: 82-51-240-2947, enlee@dau.ac.kr
• Received: June 26, 2008   • Accepted: September 30, 2008

Copyright © 2008 Korean Society of Nursing Science

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  • Purpose
    The aim of this study was to compare the relation between differently measured sports activities (metabolic equivalent [MET] and peak strain score) and distal radius bone mineral density in college-aged women.
  • Methods
    Lifetime sports activity was scored in two different ways: 1) a sports activity score by multiplying the intensity (METs) and duration and 2) a sports activity score by adding up physical strain scores based on the ground reaction force of each sports activities. Bone mineral density was measured using dual energy x-ray densitometry (DTX-200) in the distal radius site.
  • Results
    In stepwise multiple regression analysis, body weight and sports activities during the college period were significant positive predictors for distal radius bone mineral density. The explained variance of sports activity measured with a peak strain score (8.8%) for distal radius bone mineral density was higher than one measured with the MET score (3.3%).
  • Conclusion
    It can be concluded that sports activity scores based on MET and peak strain scores during college are very important for determining the bone mineral density in the distal radius site in women under 30.
  • Keywords: Sports; Bone density; Women
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Table 1
Baseline Characteristics of the Subjects (N=194)
jkan-38-667-i001.jpg

BMD=bone mineral density.

Table 2
MET, PSS and Duration of Sports Activity according to Period (N=194)
jkan-38-667-i002.jpg

MET=metabolic equivalent; PSS=peak strain score.

Table 3
Correlation between Variables and Bone Mineral Density
jkan-38-667-i003.jpg

*p<.05; **p<.01.

META=activity level based on MET score; PSSA=activity level based on peak strain score; BMD=bone mineral density.

Table 4
Comparison of Variance in Bone Mineral Density explained by Physical Activity Measured with META and PSSA
jkan-38-667-i004.jpg

META=Activity level based on MET score; PSSA=Activity level based on peak strain score.

Figure & Data

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        The Relationship between Lifetime Sports Activity Measured with MET and Peak Strain Score and Bone Measurement in College-aged Women
        J Korean Acad Nurs. 2008;38(5):667-675.   Published online October 30, 2008
        DOI: https://doi.org/10.4040/jkan.2008.38.5.667
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      The Relationship between Lifetime Sports Activity Measured with MET and Peak Strain Score and Bone Measurement in College-aged Women
      The Relationship between Lifetime Sports Activity Measured with MET and Peak Strain Score and Bone Measurement in College-aged Women

      Baseline Characteristics of the Subjects (N=194)

      BMD=bone mineral density.

      MET, PSS and Duration of Sports Activity according to Period (N=194)

      MET=metabolic equivalent; PSS=peak strain score.

      Correlation between Variables and Bone Mineral Density

      *p<.05; **p<.01.

      META=activity level based on MET score; PSSA=activity level based on peak strain score; BMD=bone mineral density.

      Comparison of Variance in Bone Mineral Density explained by Physical Activity Measured with META and PSSA

      META=Activity level based on MET score; PSSA=Activity level based on peak strain score.
      Table 1 Baseline Characteristics of the Subjects (N=194)

      BMD=bone mineral density.

      Table 2 MET, PSS and Duration of Sports Activity according to Period (N=194)

      MET=metabolic equivalent; PSS=peak strain score.

      Table 3 Correlation between Variables and Bone Mineral Density

      *p<.05; **p<.01.

      META=activity level based on MET score; PSSA=activity level based on peak strain score; BMD=bone mineral density.

      Table 4 Comparison of Variance in Bone Mineral Density explained by Physical Activity Measured with META and PSSA

      META=Activity level based on MET score; PSSA=Activity level based on peak strain score.

      Table 1

      Table 2

      Table 3

      Table 4

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