Related Experiment Video
Updated: Jun 12, 2025
06:48
Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
Published on: June 7, 2024
1.2K
Reference data for body composition parameters in normal-weight Polish adolescents: results from the population-based
Maria Kaczmarek1, Magdalena Durda-Masny2, Tomasz Hanć2
1Faculty of Biology, Institute of Human Biology and Evolution, Adam Mickiewicz University, Uniwersytetu Poznańskiego 6, 61-614, Poznań, Poland. makac@amu.edu.pl.
European Journal of Pediatrics
|September 26, 2024
Summary
This study establishes age- and sex-specific body composition reference data for healthy Polish adolescents. Boys exhibit higher fat-free mass and muscle mass, while girls have a higher body fat percentage, highlighting significant sexual dimorphism.
Area of Science:
- Human Physiology
- Pediatric Health
- Nutritional Science
Background:
- Adolescence involves rapid growth and vulnerability to nutritional issues, with body composition (BC) parameters being more indicative of health risks than BMI alone.
- Existing BC reference data often lacks regional specificity or comprehensive parameter coverage.
Purpose of the Study:
- To develop age- and sex-specific reference data for key body composition parameters in Polish adolescents.
- To assess sex-based differences in body composition during adolescence.
Main Methods:
- Utilized Bioelectrical Impedance Analysis (BIA) on 4037 normal-weight Polish adolescents (10-18 years).
- Employed the LMS method and RefCurv software to generate centile values and curves.
- Selected participants based on BMI from the ADOPOLNOR study cohort.
Main Results:
- Significant age-related changes and sexual dimorphism in body composition were observed.
- Boys showed higher fat-free mass (FFM), body cell mass (BCM), muscle mass (MM), and total body water (TBW) from ages 13-14 onwards.
- Girls had significantly higher fat mass (FM) and fat mass percentage (FM%) throughout adolescence.
Conclusions:
- The study provides valuable, regionally specific reference data for adolescent body composition in Poland.
- These data can aid in identifying nutritional abnormalities and health risks in normal-weight adolescents.
- The findings may also be applicable to other Central European adolescent populations.
Related Concept Videos
01:27Signs of Puberty
279
Puberty is a critical phase, typically beginning between the ages of 8 and 13 in girls and 9 and 14 in boys, though timing can vary based on genetics, environmental factors, and overall health. This period is characterized by the development of secondary sexual characteristics and the attainment of reproductive potential. Endocrine changes underpin puberty, with hormonal surges of Luteinizing Hormone (LH) and Follicle-Stimulating Hormone (FSH) instigated by Gonadotropin-Releasing Hormone (GnRH)...
279
01:24Obesity
401
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
401
01:28Anorexia Nervosa
49
Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
Symptoms and Physical Effects
Individuals with anorexia nervosa commonly exhibit extreme...
49
01:02Hypodermis
4.2K
The hypodermis (the subcutaneous layer or superficial fascia) is present directly below the dermis. It connects the skin to the underlying fascia (fibrous tissue) of the bones and muscles. It is not strictly a part of the skin, although the border between the hypodermis and dermis can be difficult to distinguish. The hypodermis consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for...
4.2K
01:29Bone Disorders
3.4K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
3.4K