Trends in Growth Status among Schoolchildren in Sendai, Japan, 1994-2003: Leveling-Off of Mean Body Height and Weight

Kurokawa, Naoyuki; Nakai, Kunihiko; Suzuki, Keita; Sakurai, K.; Shimada, Maki; Kameo, Satomi; Nakatsuka, Haruo; Satoh, Hiroshi

doi:10.1620/tjem.216.371

Cited by 19 publications

(9 citation statements)

References 16 publications

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“…Populations around the world display different secular trends in height in the past century on the basis of their socioeconomic, life style, and rescue from the wars . The Sardinian population after World War II experienced a dramatic economic and social advancement .…”

Section: Discussionmentioning

confidence: 99%

Role of Helicobacter pylori Infection in Body Height of Adult Dyspeptic Patients

et al. 2016

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Section: Discussionmentioning

confidence: 99%

Role of Helicobacter pylori Infection in Body Height of Adult Dyspeptic Patients

et al. 2016

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“…For example, between 1900 and 2000, Japanese boys had height and weight increments of 1.0–2.0 cm per decade and 0.4–1.7 kg per decade whereas girls had rates of 1.1–1.9 cm and 0.4–1.5 kg per decade (Kurokawa et al 2008). The rates of height increment were significantly different between pre-, during and post-World War II periods.…”

Section: Discussionmentioning

confidence: 99%

“…However, there seems to be a levelling-off in both body height and body weight across time. Kurokawa et al ( 2008) reported the secular changes in growth status for children aged 11–12 years and 14–15 years since 1934. Between World War II and the early 1970s, both body height and body weight increased in both primary school children and junior high school students.…”

Section: Discussionmentioning

confidence: 99%

Sex difference in age and performance in elite Swiss freestyle swimmers competing from 50 m to 1,500 m

Rüst

Rosemann

Knechtle³

2014

SpringerPlus

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Recent studies reported different ages for peak freestyle swimming performances for 50 m and 1,500 m. The aims of the present study were (i) to determine the age of peak freestyle swimming speed for distances including 50 m, 100 m, 200 m, 400 m, 800 m, and 1,500 m and to (ii) analyze the sex difference in peak freestyle swimming speed for all distances between 50 m and 1,500 m for elite female and male swimmers competing at national level. Data from the ‘Swiss Swimming Federation’ between 2006 and 2010 from 10,405 men and 9,552 women were analyzed using regression analyses and analyses of variance (ANOVA). Women achieved peak freestyle swimming speed at ~20–21 years from 50 m to 400 m, at ~24–25 years in 1,500 m and at ~25–27 years in 800 m. In men, the age of peak freestyle swimming speed varied between ~22–23 years and ~25–27 years for 50 m to 1,500 m. Between the age of 10 and 29 years, the sex difference in freestyle swimming speed increased from 2.2 ± 0.4% to 19.0 ± 6.7% in 50 m (r2 = 0.87, P < 0.001), from 2.4 ± 0.7% to 10.8 ± 2.8% in 100 m (r2 = 0.67, P = 0.004) and from 3.6 ± 1.9% to 10.2 ± 3.4% in 200 m (r2 = 0.60, P = 0.008). In 400 m (r2 = 0.24), 800 m (r2 = 0.39) and 1,500 m (r2 = 0.34), the sex difference showed no changes (P > 0.05) with 6.9 ± 3.0%, 5.8 ± 3.5%, and 9.7 ± 8.6%, respectively. The sex difference in freestyle swimming speed showed no change with increasing race distance (r2 = 0.12, P > 0.05). To summarize, the age of peak freestyle swimming speed increased for women with the length of the race distance from 50 m to 200 m, but not from 400 m to 1,500 m. For men, the age of peak freestyle swimming speed varied between ~22–23 years and ~25–27 years from 50 m to 1,500 m. The sex difference in freestyle swimming speed of 9.1 ± 2.5% showed no change with increasing race distance. Future studies need to confirm these findings in elite swimmers competing at international level such as the World Championships and the Olympic Games.

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“…It is widely recognized that the growth of children is a common marker of their health (Kurokawa et al ., ) and that growth is regulated by the interaction of genetic and acquired factors with environmental influences (Weedon et al ., ), especially socioeconomic conditions and nutritional status (Steckel, ). Growth retardation in children has a multifactorial origin.…”

Section: Introductionmentioning

confidence: 99%

Skeletal Growth and IGF Levels in Rats after HT042 Treatment

Kim

Lim

et al. 2012

Phytotherapy Research

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HT042, a new herbal prescription consisting of Astragalus membranaceus, Phlomis umbrosa and Eleutherococcus senticosus, is used in traditional Korean medicine to stimulate growth in children. This study was conducted to investigate the effects of HT042 on skeletal growth, insulin-like growth factor-1 (IGF-1) and insulin-like growth factor binding protein-3 (IGFBP-3) levels, and oestrogenic activity in female rats. Female Sprague-Dawley rats were divided into control, recombinant human growth hormone (rhGH; 20 µg/kg/day), and HT042 (100 mg/kg/day) groups and treated for 3 weeks. Axial skeletal growth, femur length, and growth plate length were measured every 3 weeks. The serum IGF-1 and IGFBP-3 levels were analysed. Moreover, the oestrogenic activity of the herbal extracts in the immature and ovariectomized rats was tested. The nose-anus, nose-tail, femur and growth-plate lengths were increased significantly in the HT042 group. Both IGF-1 and IGFBP-3 were highly expressed in the hypertrophic zone of the growth plate. The serum IGF-1 levels were increased. Moreover, HT042 had no uterotrophic effects in the rats. Consequently, HT042 promoted longitudinal bone growth by stimulating cell proliferation in the epiphyseal plate and inducing the expression of IGF-1 without an oestrogenic response. HT042 may be helpful in stimulating growth in children with short stature.

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Trends in Growth Status among Schoolchildren in Sendai, Japan, 1994-2003: Leveling-Off of Mean Body Height and Weight

Cited by 19 publications

References 16 publications

Role of Helicobacter pylori Infection in Body Height of Adult Dyspeptic Patients

Role of Helicobacter pylori Infection in Body Height of Adult Dyspeptic Patients

Sex difference in age and performance in elite Swiss freestyle swimmers competing from 50 m to 1,500 m

Skeletal Growth and IGF Levels in Rats after HT042 Treatment

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