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Anthropometric measurements and body proportions among Chinese children
1Department of Orthopaedics and Traumatology, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin.
Insights
This study analyzed body proportions in 2193 Hong Kong Chinese children (ages 4-16). Results reveal distinct limb-to-trunk ratios compared to other racial groups, highlighting unique Chinese pediatric body morphology.
Area of Science:
- Anthropometry
- Pediatric Health
- Human Biology
Background:
- Significant racial variations exist in human body proportions.
- Data on body proportions for Chinese children are limited.
- Understanding these differences is crucial for growth assessment and health monitoring.
Purpose of the Study:
- To document the body proportions of Hong Kong Chinese children.
- To compare these proportions with other racial groups.
- To establish normative data for this population.
Main Methods:
- Cross-sectional study of 2193 children aged 4–16 years.
- Measurements included standing height, sitting height, and arm span.
- Lower segment height calculated; statistical analysis performed.
Main Results:
- High linear correlations found between standing height and arm span, sitting height, and lower segment height (r=0.965–0.983).
- Ratios of standing height to arm span and sitting height to lower segment height showed age-related linear changes.
- Chinese children exhibited proportionally shorter limbs relative to trunk compared to white and black children.
Conclusions:
- Hong Kong Chinese children possess distinct body proportions, particularly in limb-to-trunk length.
- These findings contribute valuable anthropometric data for Chinese pediatric populations.
- The study underscores the importance of race-specific data in growth and development studies.
Abstract:
There are significant racial differences in body proportions. Such data are not readily available for Chinese children. This article reports a cross section study of body proportions of 2193 Hong Kong Chinese children, ages 4 to 16 years, with equal gender distribution. Standing height, sitting height, and arm span were measured with standard equipment and methodology. Lower segment height was calculated as the difference between standing height and sitting height. Statistical analysis of the results showed a high linear correlation of the standing height with arm span, sitting height, and lower segment height, with a correlation coefficient ranging from 0.965 to 0.983 for both genders. When expressed as the ratio of standing height to arm span, the value was relatively constant and changed only linearly from 1.03 to 1 in girls and 1.03 to 0.98 in boys ages 4 to 16 years. The ratio of sitting height to lower segment height varied from a mean of 1.4 to 1.14 in boys and 1.36 to 1.18 in girls ages 4 to 16 years. The Chinese children were found to have a proportional limb segmental length relative to the trunk that differed significantly from the proportionally longer limbs in whites and blacks.