Body composition development of adolescent white females: The penn state young women's health study

Tom Lloyd, Vernon M. Chinchilli, Douglas F. Eggli, Nan Rollings, Howard E. Kulin

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37 Citations (Scopus)

Abstract

Objective: To obtain simultaneous and longitudinal measures of height, weight, total body bone mineral content, total body bone mineral density, percentage of body fat, lean body mass, and body mass index in healthy white females between the ages of 11 and 18 years. Design: A longitudinal, observational study. Setting: University medical center in a small city. Study Participants: At initiation in 1990, 112 premenarchal, healthy girls were enrolled. Results presented in this report are based on measurements made on the 82 participants who remained in the study in 1996 and for whom we had comprehensive measurements. Interventions: None. Main Outcome Measures: Dual-energy x-ray absorptiometry was used to obtain measurements of total body bone mineral content, total body bone mineral density, percentage of body fat, and lean body mass every 6 months for the first 4 years of the study and yearly thereafter. Results: The mean age for peak velocity and peak accumulation for each measurement was as follows: height, 11 1/4 and 17 1/4 years, respectively; weight, 11 1/4 and 17 1/4 years; body mass index, 11 1/4 and 17 1/4 years; percentage of body fat, 11 1/4 and 13 1/4 years; lean body mass, 12 and 17 1/4 years; total body bone mineral content, 13 1/4 and 17 1/4 years; and total body bone mineral density, 13 1/4 and 17 1/4 years. Conclusions: Among a healthy population of white females, the age of peak velocities for height, weight, body fat, and lean body mass occur at 11 1/4 to 12 years. Thus, peak soft-tissue velocities precede hard-tissue velocities by about 2 years, with peak accumulation of all tissue components being reached, on average, by age 17 1/4 years.

Original languageEnglish (US)
Pages (from-to)998-1002
Number of pages5
JournalArchives of Pediatrics and Adolescent Medicine
Volume152
Issue number10
StatePublished - Oct 1 1998

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Adolescent Development
Women's Health
Body Composition
Bone Density
Adipose Tissue
Weights and Measures
Body Mass Index
Observational Studies
Longitudinal Studies
Body Weight
X-Rays
Outcome Assessment (Health Care)
Population

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health

Cite this

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title = "Body composition development of adolescent white females: The penn state young women's health study",
abstract = "Objective: To obtain simultaneous and longitudinal measures of height, weight, total body bone mineral content, total body bone mineral density, percentage of body fat, lean body mass, and body mass index in healthy white females between the ages of 11 and 18 years. Design: A longitudinal, observational study. Setting: University medical center in a small city. Study Participants: At initiation in 1990, 112 premenarchal, healthy girls were enrolled. Results presented in this report are based on measurements made on the 82 participants who remained in the study in 1996 and for whom we had comprehensive measurements. Interventions: None. Main Outcome Measures: Dual-energy x-ray absorptiometry was used to obtain measurements of total body bone mineral content, total body bone mineral density, percentage of body fat, and lean body mass every 6 months for the first 4 years of the study and yearly thereafter. Results: The mean age for peak velocity and peak accumulation for each measurement was as follows: height, 11 1/4 and 17 1/4 years, respectively; weight, 11 1/4 and 17 1/4 years; body mass index, 11 1/4 and 17 1/4 years; percentage of body fat, 11 1/4 and 13 1/4 years; lean body mass, 12 and 17 1/4 years; total body bone mineral content, 13 1/4 and 17 1/4 years; and total body bone mineral density, 13 1/4 and 17 1/4 years. Conclusions: Among a healthy population of white females, the age of peak velocities for height, weight, body fat, and lean body mass occur at 11 1/4 to 12 years. Thus, peak soft-tissue velocities precede hard-tissue velocities by about 2 years, with peak accumulation of all tissue components being reached, on average, by age 17 1/4 years.",
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Body composition development of adolescent white females : The penn state young women's health study. / Lloyd, Tom; Chinchilli, Vernon M.; Eggli, Douglas F.; Rollings, Nan; Kulin, Howard E.

In: Archives of Pediatrics and Adolescent Medicine, Vol. 152, No. 10, 01.10.1998, p. 998-1002.

Research output: Contribution to journalArticle

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N2 - Objective: To obtain simultaneous and longitudinal measures of height, weight, total body bone mineral content, total body bone mineral density, percentage of body fat, lean body mass, and body mass index in healthy white females between the ages of 11 and 18 years. Design: A longitudinal, observational study. Setting: University medical center in a small city. Study Participants: At initiation in 1990, 112 premenarchal, healthy girls were enrolled. Results presented in this report are based on measurements made on the 82 participants who remained in the study in 1996 and for whom we had comprehensive measurements. Interventions: None. Main Outcome Measures: Dual-energy x-ray absorptiometry was used to obtain measurements of total body bone mineral content, total body bone mineral density, percentage of body fat, and lean body mass every 6 months for the first 4 years of the study and yearly thereafter. Results: The mean age for peak velocity and peak accumulation for each measurement was as follows: height, 11 1/4 and 17 1/4 years, respectively; weight, 11 1/4 and 17 1/4 years; body mass index, 11 1/4 and 17 1/4 years; percentage of body fat, 11 1/4 and 13 1/4 years; lean body mass, 12 and 17 1/4 years; total body bone mineral content, 13 1/4 and 17 1/4 years; and total body bone mineral density, 13 1/4 and 17 1/4 years. Conclusions: Among a healthy population of white females, the age of peak velocities for height, weight, body fat, and lean body mass occur at 11 1/4 to 12 years. Thus, peak soft-tissue velocities precede hard-tissue velocities by about 2 years, with peak accumulation of all tissue components being reached, on average, by age 17 1/4 years.

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