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Abstract
This study focuses on the quantification of genetic and environmental sources of variation in physical fitness components in 105 10-yr-old twin pairs and their parents. Nine motor tests and six skinfold measures were administered. Motor tests can be divided into those that are performance-related: static strength, explosive strength, running speed, speed of limb movement, and balance; and those that are health-related: trunk strength, functional strength, maximum oxygen uptake, and flexibility. The significance and contribution of genetic and environmental factors to variation in physical fitness were tested with model fitting. Performance-related fitness characteristics were moderately to highly heritable. The heritability estimates were slightly higher for health-related fitness characteristics. For most variables a simple model including genetic and specific environmental factors fitted the observed phenotypic variance well. Common environmental factors explained a significant part of the variation in speed components and flexibility. Assortative mating was significant and positive for speed components, balance, trunk strength, and cardiorespiratory fitness, but negative for adiposity. Static strength, explosive strength, functional strength, and cardiorespiratory fitness showed evidence for reduced genetic transmission or dominance. The hypothesis that performance-related fitness characteristics are more determined by genetic factors than health-related fitness was not supported. At this prepubertal age, genetic factors have the predominant effect on fitness.
Keywords
performance-related fitness, health-related fitness, strength, speed, balance, flexibility, cardiorespiratory fitness, adiposity, path analysis, Mx, model-fitting, heredity, human variation, AEROBIC POWER, FAMILY, PERFORMANCE, MODELS, TRANSMISSION, RESEMBLANCES, COMMUNITY, LISREL

Citation

Please use this url to cite or link to this publication:

MLA
Maes, Hermine HM, et al. “Inheritance of Physical Fitness in 10-Yr-Old Twins and Their Parents.” MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, vol. 28, no. 12, 1996, pp. 1479–91.
APA
Maes, H. H., Beunen, G. P., Vlietinck, R. F., Neale, M. C., Thomis, M., Vanden Eynde, B., … Derom, R. (1996). Inheritance of physical fitness in 10-yr-old twins and their parents. MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 28(12), 1479–1491.
Chicago author-date
Maes, Hermine HM, Gaston P Beunen, Robert F Vlietinck, Michael C Neale, Martine Thomis, Bavo Vanden Eynde, Roeland Lysens, Jan Simons, Catherine Derom, and Robert Derom. 1996. “Inheritance of Physical Fitness in 10-Yr-Old Twins and Their Parents.” MEDICINE AND SCIENCE IN SPORTS AND EXERCISE 28 (12): 1479–91.
Chicago author-date (all authors)
Maes, Hermine HM, Gaston P Beunen, Robert F Vlietinck, Michael C Neale, Martine Thomis, Bavo Vanden Eynde, Roeland Lysens, Jan Simons, Catherine Derom, and Robert Derom. 1996. “Inheritance of Physical Fitness in 10-Yr-Old Twins and Their Parents.” MEDICINE AND SCIENCE IN SPORTS AND EXERCISE 28 (12): 1479–1491.
Vancouver
1.
Maes HH, Beunen GP, Vlietinck RF, Neale MC, Thomis M, Vanden Eynde B, et al. Inheritance of physical fitness in 10-yr-old twins and their parents. MEDICINE AND SCIENCE IN SPORTS AND EXERCISE. 1996;28(12):1479–91.
IEEE
[1]
H. H. Maes et al., “Inheritance of physical fitness in 10-yr-old twins and their parents,” MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, vol. 28, no. 12, pp. 1479–1491, 1996.
@article{261303,
  abstract     = {This study focuses on the quantification of genetic and environmental sources of variation in physical fitness components in 105 10-yr-old twin pairs and their parents. Nine motor tests and six skinfold measures were administered. Motor tests can be divided into those that are performance-related: static strength, explosive strength, running speed, speed of limb movement, and balance; and those that are health-related: trunk strength, functional strength, maximum oxygen uptake, and flexibility. The significance and contribution of genetic and environmental factors to variation in physical fitness were tested with model fitting. Performance-related fitness characteristics were moderately to highly heritable. The heritability estimates were slightly higher for health-related fitness characteristics. For most variables a simple model including genetic and specific environmental factors fitted the observed phenotypic variance well. Common environmental factors explained a significant part of the variation in speed components and flexibility. Assortative mating was significant and positive for speed components, balance, trunk strength, and cardiorespiratory fitness, but negative for adiposity. Static strength, explosive strength, functional strength, and cardiorespiratory fitness showed evidence for reduced genetic transmission or dominance. The hypothesis that performance-related fitness characteristics are more determined by genetic factors than health-related fitness was not supported. At this prepubertal age, genetic factors have the predominant effect on fitness.},
  author       = {Maes, Hermine HM and Beunen, Gaston P and Vlietinck, Robert F and Neale, Michael C and Thomis, Martine and Vanden Eynde, Bavo and Lysens, Roeland and Simons, Jan and Derom, Catherine and Derom, Robert},
  issn         = {0195-9131},
  journal      = {MEDICINE AND SCIENCE IN SPORTS AND EXERCISE},
  keywords     = {performance-related fitness,health-related fitness,strength,speed,balance,flexibility,cardiorespiratory fitness,adiposity,path analysis,Mx,model-fitting,heredity,human variation,AEROBIC POWER,FAMILY,PERFORMANCE,MODELS,TRANSMISSION,RESEMBLANCES,COMMUNITY,LISREL},
  language     = {eng},
  number       = {12},
  pages        = {1479--1491},
  title        = {Inheritance of physical fitness in 10-yr-old twins and their parents},
  url          = {http://dx.doi.org/10.1097/00005768-199612000-00007},
  volume       = {28},
  year         = {1996},
}

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