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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | King, Adam C. Challis, John H. Bartok, Cynthia Costigan, F. Aileen Newell, Karl M. |
| Description | Country affiliation: United States Author Affiliation: King AC ( Department of Kinesiology, Pennsylvania State University, University Park, PA 16802, USA. ack196@psu.edu) |
| Abstract | There is preliminary evidence that BMI is positively correlated with movement variability of standing posture. However, this negative effect of obesity on postural control may be mediated by the change in other body scale variables (e.g., mechanical and fitness) that also occur with changes in BMI. This study investigated the influence of selected body scale (height, body mass, BMI), body composition (body fat percentage), mechanical (moment of inertia - MI) and strength (S) variables as predictors of the control of postural motion in adolescents. 125 healthy adolescents (65 boys, 60 girls) with a wide range of BMI (13.8-31.0 kg/m(2)) performed a battery of tests that assessed body composition, anthropometry, muscular strength and postural control. Multiple measures of postural motion variability were derived for analysis with body scale, mechanical and lower extremity strength variables separately for boys and girls. BMI, height and body mass, considered both separately and collectively, were poor and/or inconsistent predictors of variability in all three posture tasks. However, the ratio of lower extremity strength to whole body moment of inertia showed the highest positive correlation to most postural variability measures in both boys and girls and these effects were strongest in the less stable tasks of single leg standing and recovery of stance. Our findings support the hypothesis that diminished lower extremity strength to mechanical constraint ratio compromises the robustness of the strength to body scale relation in movement and postural control. |
| File Format | HTM / HTML |
| ISSN | 09666362 |
| Issue Number | 2 |
| Volume Number | 35 |
| e-ISSN | 18792219 |
| Journal | Gait & Posture |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2012-02-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Body Composition Research Support, Non-u.s. Gov't Discipline Orthopedics Comparative Study Anthropometry Humans Male Reference Values Journal Article Knee Joint Female Physiology Diagnosis Muscle Strength Body Mass Index Obesity Movement Complications Risk Factors Range Of Motion, Articular Adolescent Sex Factors Lower Extremity Body Height Longitudinal Studies Postural Balance Cohort Studies |
| Content Type | Text |
| Resource Type | Article |
| Subject | Orthopedics and Sports Medicine Rehabilitation Biophysics Sports Science |
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