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González-Devesa D, López-Eguía A, Amoedo L, Ayán-Pérez C. Associations between Agility, the Relative Age Effect, Siblings, and Digit Ratio (D2:D4) in Children and Adolescents. CHILDREN (BASEL, SWITZERLAND) 2024; 11:893. [PMID: 39201828 PMCID: PMC11353056 DOI: 10.3390/children11080893] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/19/2024] [Accepted: 07/23/2024] [Indexed: 09/03/2024]
Abstract
BACKGROUND This study aims to analyze the influence of relative age effects, siblings, and digit ratio on the agility of children and adolescents. METHODS The study included 283 children (9.54 ± 1.36 years) and 296 adolescents (14.68 ± 1.36 years) from four different schools. The analyzed variables included anthropometric data, the presence of siblings, relative age effect, and results from the 10 × 5 m shuttle run test. RESULTS The findings indicated no significant association between agility and either the 2D:4D ratio or the relative age effect in both children and adolescents (p > 0.05). Additionally, having siblings did not have a notable impact on agility. Multiple regression analysis confirmed that relative age did not influence this lack of association (quarter of birth: p = 0.345, β = 0.039; siblings: p = 0.100, β = -0.069). However, boys showed higher performance than girls in the 10 × 5 m shuttle run test, and higher body mass index was related to lower agility. CONCLUSIONS These findings contribute to existing knowledge on the relative effects of age and provide valuable information for physical education teachers on the influence of the 2D:4D ratio and the presence of siblings on the physical fitness of children and adolescents.
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Affiliation(s)
- Daniel González-Devesa
- Well-Move Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36310 Vigo, Spain;
| | - Alba López-Eguía
- Facultad de Ciencias de la Educación y del Deporte, Universidad de Vigo, Campus a Xunqueira, s/n, 36005 Pontevedra, España; (A.L.-E.); (L.A.)
| | - Lucas Amoedo
- Facultad de Ciencias de la Educación y del Deporte, Universidad de Vigo, Campus a Xunqueira, s/n, 36005 Pontevedra, España; (A.L.-E.); (L.A.)
| | - Carlos Ayán-Pérez
- Well-Move Research Group, Galicia Sur Health Research Institute (IIS Galicia Sur), SERGAS-UVIGO, 36310 Vigo, Spain;
- Departamento de Didácticas Especiais, Universidade de Vigo, 36310 Vigo, Spain
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2
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Querevalú-Pancorbo I, Rojas-Cama LF, Soncco-Llulluy F, Li J, Rosales-Rimache J. Abnormal uterine bleeding and associated factors: a cross-sectional study in high-performance Peruvian athletes. BMJ Open Sport Exerc Med 2024; 10:e001820. [PMID: 38818354 PMCID: PMC11138278 DOI: 10.1136/bmjsem-2023-001820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2024] [Indexed: 06/01/2024] Open
Abstract
Background Abnormal uterine bleeding (AUB) is a problem that affects women and can cause outcomes such as anaemia, affecting women's quality of life. In high-performance athletes, this problem can be further exacerbated by intense physical activity, strict nutritional regimens and physical stress. Hypothesis There are factors that increase the risk of occurrence of AUB in high-performance Peruvian athletes. Study design Cross-sectional study. Level of evidence Level 4. Methods We applied an online questionnaire with questions to identify AUB according to the International Federation of Gynecology and Obstetrics criteria, demographic characteristics, sport practised and evaluation of the risk of an eating disorder using the Eating Attitudes Test questionnaire. We used a generalised linear model to identify factors associated with AUB. Results We evaluated 101 participants whose mean age was 22.3±4.3 years. The body mass index had a mean of 22.6±2.4 kg/m2. From the total of athletes, 68.3% (95% CI 58.6% to 76.7%) presented AUB. The bivariate analysis showed that the type of sport and the duration of the sporting activity were associated (p<0.05) with AUB, with AUB frequencies of 76.5% observed in athletes who practised anaerobic sports. The multivariate analysis did not report factors significantly associated with AUB. Conclusion We found a high frequency of AUB in high-performance Peruvian athletes, especially in those who practice anaerobic and resistance sports. Clinical relevance High-performance female athletes health must be evaluated periodically, and immediate actions are taken to control and treat AUB.
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Affiliation(s)
| | | | | | - Jair Li
- Escuela de Posgrado, Universidad Peruana Cayetano Heredia, Lima, Peru
| | - Jaime Rosales-Rimache
- Facultad de Ciencias de la Salud, Escuela de Tecnología Médica, Universidad Continental, Huancayo, Peru
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3
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Musijowska M, Kwilosz E. Association between Physical Activity Level, Body Composition, and Phase Angle in University Students from Bioelectrical Impedance Analysis (BIA). J Clin Med 2024; 13:2743. [PMID: 38792285 PMCID: PMC11121990 DOI: 10.3390/jcm13102743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/23/2024] [Accepted: 04/27/2024] [Indexed: 05/26/2024] Open
Abstract
Background: The aim of this study is to determine the relationship between selected components of body composition and the phase angle specified by bioelectrical impedance analysis, depending on the level of physical activity among students. Materials and Methods: The study group consisted of 484 university students from Krosno. The diagnostic survey method (IPAQ-SF), measurements of highs, and analysis of body composition components (BIA) were used. The relationship between variables was determined using the χ2 test, the V-Kramer coefficient, and Spearman's rho coefficient. Results: University students in physical education demonstrated the highest level of physical activity and the lowest incidence of excessive body mass. Among the participants, 28.1% did not engage in any physical activity, or their level was insufficient. The PhA level was correlated with lean body mass and muscle mass. The correlation between higher levels of PA and PhA values was statistically significant, as was the relationship between self-assessment of physical fitness and the level of PA determined by IPAQ-SF. Conclusions: Preventive actions and educational programs, especially about spending leisure time in active ways, should be particularly targeted at students of disciplines with a significant amount of sedentary classes.
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Affiliation(s)
- Monika Musijowska
- Department of Physical Education, State University of Applied Sciences in Krosno, Rynek 1, 38-400 Krosno, Poland
| | - Edyta Kwilosz
- Department of Nursing, State University of Applied Sciences in Krosno, St. Kazimierza Wielkiego 6, 38-400 Krosno, Poland
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Qiu G, Riley JM, Dikdan S, Johnson D, Masood I, Hajduczok AG, Shipon D. Relationship Between Obesity and Youth Athletes' Physical Activity and Exercise-Related Cardiac Symptoms. Child Obes 2024. [PMID: 38621158 DOI: 10.1089/chi.2023.0194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Background: While studies have identified the negative cardiovascular effects of obesity, the effects of obesity on youth athletes are less studied. This study investigates the associations between obesity in youth athletes and exercise activity and exertional cardiac symptoms. Methods: The HeartBytes National Youth Database produced by Simon's Heart, a nonprofit that organizes adolescents' sports pre-participation examinations (PPEs), was used. This database contains demographic data, exercise-related symptoms, and electrocardiogram data obtained during PPEs. BMI was converted to percentiles, with obesity defined as BMI ≥95th percentile. Outcomes were evaluated using a chi-squared test with odds ratios (ORs) and 95% confidence intervals (CIs). Results: Of 7363 patients, there were 634 individuals with obesity. Youth athletes within normal weight ranges (5th-85th percentile) had higher exercise rates than those with underweight, overweight, or obesity (p < 0.001 for each). Athletes with obesity had higher odds of exertional symptoms overall (OR: 1.63 [CI: 1.36-1.96]; p < 0.001). However, for athletes who exercised >10 hours a week, there was no association between obesity and exertional symptoms. Athletes with obesity had higher odds of elevated blood pressure (OR: 5.35 [CI: 2.00-14.30]; p < 0.001) and hypercholesterolemia (OR: 3.84 [CI: 2.51-5.86]; p < 0.001). Conclusions: In this dataset, obesity in youth athletes is associated with decreased physical activity and increased exertional symptoms in general. Obesity is not associated with exertional symptoms in athletes who participated in higher weekly physical activity. Further studies are needed to elucidate the cause-effect relationship of these findings.
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Affiliation(s)
- Grace Qiu
- Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, PA, USA
| | - Joshua M Riley
- Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Sean Dikdan
- Division of Cardiology, Jefferson Heart Institute, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
- Section of Cardiac Electrophysiology, Temple Heart and Vascular Institute, Department of Medicine, Lewis Katz School of Medicine at the Temple University Hospital, Philadelphia, PA, USA
| | - Drew Johnson
- Division of Cardiology, Jefferson Heart Institute, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - Imran Masood
- Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Alexander G Hajduczok
- Division of Cardiology, Jefferson Heart Institute, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
| | - David Shipon
- Division of Cardiology, Jefferson Heart Institute, Department of Medicine, Thomas Jefferson University Hospital, Philadelphia, PA, USA
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Gentiluomo M, Dixon-Suen SC, Farinella R, Peduzzi G, Canzian F, Milne RL, Lynch BM, Campa D. Physical Activity, Sedentary Behavior, and Pancreatic Cancer Risk: A Mendelian Randomization Study. J Endocr Soc 2024; 8:bvae017. [PMID: 38425433 PMCID: PMC10904288 DOI: 10.1210/jendso/bvae017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Indexed: 03/02/2024] Open
Abstract
Pancreatic cancer is currently the seventh leading cause of cancer death worldwide. Understanding whether modifiable factors increase or decrease the risk of this disease is central to facilitating primary prevention. Several epidemiological studies have described the benefits of physical activity, and the risks associated with sedentary behavior, in relation to cancer. This study aimed to assess evidence of causal effects of physical activity and sedentary behavior on pancreatic cancer risk. We conducted a two-sample Mendelian randomization study using publicly available data for genetic variants associated with physical activity and sedentary behavior traits and genetic data from the Pancreatic Cancer Cohort Consortium (PanScan), the Pancreatic Cancer Case-Control Consortium (PanC4), and the FinnGen study for a total of 10 018 pancreatic cancer cases and 266 638 controls. We also investigated the role of body mass index (BMI) as a possible mediator between physical activity and sedentary traits and risk of developing pancreatic cancer. We found evidence of a causal association between genetically determined hours spent watching television (hours per day) and increased risk of pancreatic cancer for each hour increment (PanScan-PanC4 odds ratio = 1.52, 95% confidence interval 1.17-1.98, P = .002). Additionally, mediation analysis showed that genetically determined television-watching time was strongly associated with BMI, and the estimated proportion of the effect of television-watching time on pancreatic cancer risk mediated by BMI was 54%. This study reports the first Mendelian randomization-based evidence of a causal association between a measure of sedentary behavior (television-watching time) and risk of pancreatic cancer and that this is strongly mediated by BMI. Summary: Pancreatic cancer is a deadly disease that is predicted to become the second leading cause of cancer-related deaths by 2030. Physical activity and sedentary behaviors have been linked to cancer risk and survival. However, there is limited research on their correlation with pancreatic cancer. To investigate this, we used a Mendelian randomization approach to examine the genetic predisposition to physical activity and sedentariness and their relation to pancreatic cancer risk, while excluding external confounders. Our findings revealed a causal link between the time spent watching television and an increased risk of pancreatic cancer. Additionally, we determined that over half of the effect of watching television on pancreatic risk is mediated by the individual's BMI.
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Affiliation(s)
- Manuel Gentiluomo
- Unit of Genetics, Department of Biology, University of Pisa, Pisa, Italy 56126
| | - Suzanne C Dixon-Suen
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria 3004, Australia
| | - Riccardo Farinella
- Unit of Genetics, Department of Biology, University of Pisa, Pisa, Italy 56126
| | - Giulia Peduzzi
- Unit of Genetics, Department of Biology, University of Pisa, Pisa, Italy 56126
| | - Federico Canzian
- Genomic Epidemiology Group, German Cancer Research Center (DKFZ), Heidelberg, Germany 69120
| | - Roger L Milne
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria 3004, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Precision Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia 3168
| | - Brigid M Lynch
- Cancer Epidemiology Division, Cancer Council Victoria, Melbourne, Victoria 3004, Australia
- Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Victoria 3010, Australia
- Physical Activity Laboratory, Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia 3004
| | - Daniele Campa
- Unit of Genetics, Department of Biology, University of Pisa, Pisa, Italy 56126
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Alsamman RA, Shousha TM, Faris ME, Abdelrahim DN, Arumugam A. Association of sociodemographic, anthropometric, and sleep quality factors with accelerometer-measured sitting and physical activity times among Emirati working women during the COVID-19 pandemic: A cross-sectional study. WOMEN'S HEALTH (LONDON, ENGLAND) 2024; 20:17455057231225539. [PMID: 38279820 PMCID: PMC10822070 DOI: 10.1177/17455057231225539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 12/15/2023] [Accepted: 12/21/2023] [Indexed: 01/29/2024]
Abstract
BACKGROUND Although a significant lack of physical activity has been linked to an increase in obesity among Emirati women, the factors associated with accelerometer-measured sitting and physical activity times in Emirati women remain unclear. OBJECTIVES To explore the association of accelerometer-measured sitting and physical activity times with sociodemographic, anthropometric, and sleep quality factors among Emirati working women. DESIGN A cross-sectional study. METHODS A convenience sample of 163 healthy working Emirati women aged 18-45 years was used. Sedentary and physical activity times were measured using the Fibion accelerometers worn on the thighs for 4-7 days. General demographic information, anthropometric measurements, and self-reported sleep quality (Pittsburgh sleep quality index score) were collected. Only participants who had valid data (i.e. wear time of ⩾600 min (10 h) per day for a minimum of 4-7 days) were evaluated. All values were normalized to a 16-h day to mitigate differences in wear time among the participants. RESULTS Overall, 110 Emirati women were included. The mean sitting time per 16-h day was 11.6 ± 1.1 h; mean moderate activity time per day, 40.88 ± 17.99 min; and mean vigorous activity time per day, 2.41 ± 1.21 min. Longer sitting time was associated with high body fat, secondary education, and divorce. Sitting time was reduced in those with good sleep quality. Moderate-to-vigorous physical activity time was increased in women with postgraduate education and was decreased in women with a longer work experience and with comorbidities. The total activity time increased with increasing age and good sleep quality, whereas it decreased with increasing body fat, presence of at least one comorbidity, secondary education, and divorce. CONCLUSION Certain demographic, anthropometric, and sleep quality factors were associated with accelerometer-measured sitting and physical activity times among Emirati working women. Future longitudinal studies should consider these factors when investigating predictors of physical activity levels in this population.
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Affiliation(s)
- Razan Adnan Alsamman
- Department of Physiotherapy, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Tamer Mohamed Shousha
- Department of Physiotherapy, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Neuromusculoskeletal Rehabilitation Research Group, RIMHS–Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - MoezAlIslam E. Faris
- Department of Clinical Nutrition and Dietetics, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Nutrition and Food Research Group, Research Institute for medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
- Environment and Cancer Research Group, Research Institute for medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
| | - Dana N. Abdelrahim
- Research Institute for medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab Emirates
| | - Ashokan Arumugam
- Department of Physiotherapy, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Neuromusculoskeletal Rehabilitation Research Group, RIMHS–Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
- Sustainable Engineering Asset Management Research Group, RISE-Research Institute of Sciences and Engineering, University of Sharjah, Sharjah, United Arab Emirates
- Adjunct Faculty, Department of Physiotherapy, Manipal College of Health professions, Manipal Academy of Higher Education, Manipal, India
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Alhroub N, Al-Sarairhe I, Awamleh RA, Ayasreh I, Alkhawaldeh A, ALBashtawy M, Oweidat IA, ALBashtawy S, Ayed A, ALBashtawy Z, Abdalrahim A, Alkhawaldeh H. Physical Activity Barriers Among Adolescents in Jordan: A Cross-Sectional Study. SAGE Open Nurs 2024; 10:23779608241272688. [PMID: 39165912 PMCID: PMC11334122 DOI: 10.1177/23779608241272688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 06/27/2024] [Accepted: 07/03/2024] [Indexed: 08/22/2024] Open
Abstract
Introduction Physical activity is critical for health promotion and the prevention of noncommunicable illnesses, especially among teenagers. However, teenagers' active participation in physical exercise may be hampered by perceived impediments to physical activity. Objective This study aimed to identify the external and internal barriers to physical activities among adolescents, as well as any differences in these barriers between males and females. Methods A cross-sectional study was carried out among 600 adolescent students (aged 11-16) from a public school in Jordan. A self-administered questionnaire with 12 items assessed barriers to physical activity. Internal and external barriers were identified, and statistical analyses were performed using SPSS. Results Male adolescents reported more perceived hurdles to physical exercise than female adolescents, with lack of time and lack of self-confidence being the most significant impediments. External impediments were more prominent than internal barriers, particularly a lack of resources. The total score for external barriers was significantly higher than that for internal barriers. "Lack of resources" was the most important external barrier (mean = 3.49), and "lack of self-confidence" was the most significant internal barrier (mean = 3.47). Male and female teenagers differed in the obstacles of "lack of self-confidence" (p = .045) and "lack of time" (p = .040). The most significant perceived hurdles included a lack of awareness of the health benefits of exercise, concerns about appearance while exercising, limited access to fitness centers, lack of exercise equipment at home, and insufficient spare time due to a packed class schedule. Conclusion It is critical to implement interventions that address the identified barriers to physical activity, particularly among female adolescents, such as improving opportunities for physical activity and providing social support for participation.
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Affiliation(s)
| | | | | | | | - Abdullah Alkhawaldeh
- Department of Community and Mental Health, Princess Salma Faculty of Nursing, Al al-Bayt University, Mafraq, Jordan
| | - Mohammed ALBashtawy
- Department of Community and Mental Health, Princess Salma Faculty of Nursing, Al al-Bayt University, Mafraq, Jordan
| | | | - Sa'd ALBashtawy
- Faculty of Dentistry, Applied Science Private University, Amman, Jordan
| | - Ahmad Ayed
- Faculty of Nursing, Arab American University, Jenin, Palestine
| | | | - Asem Abdalrahim
- Department of Community and Mental Health, Princess Salma Faculty of Nursing, Al al-Bayt University, Mafraq, Jordan
| | - Hasan Alkhawaldeh
- Department of Physical Therapy, Faculty of Applied Medical Sciences (FAMS), Jordan University of Science and Technology, Irbid, Jordan
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Jaremków A, Markiewicz-Górka I, Hajdusianek W, Czerwińska K, Gać P. The Relationship between Body Composition and Physical Activity Level in Students of Medical Faculties. J Clin Med 2023; 13:50. [PMID: 38202057 PMCID: PMC10780194 DOI: 10.3390/jcm13010050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Maintaining an active lifestyle is crucial for good health. Markers of health risk include tissue components. This study aimed to indicate which body composition elements create the strongest correlations with physical activity performed in young students of medical faculties. The study group consisted of 75 students (33 men and 42 women) from Wroclaw Medical University. Each student underwent accelerometer and anthropometric measurements and body composition analysis. Both men and women had similar physical activity levels. The study found that the amount of vigorous physical activity correlated significantly with the basal metabolic rate (BMR), fat, water and muscle content, fat-free mass (FFM), bone mass, extracellular to intracellular water ratio (ECW/ICW), and phase angle (PA), with r~ ± (0.2-0.4). The amount of moderate physical activity correlated with body mass, body mass index (BMI), BMR, FFM, and bone mass, with r~0.3-0.5. There are dimorphic differences in the strength of correlations between physical activity and elements of body composition. A greater amount of moderate and vigorous physical activity is associated with greater FFM and bone mass in men, which causes BMI to increase as well (in this case, higher BMI is not a sign of being overweight). For women, the beneficial effect of higher amounts of vigorous physical activity on reducing fat content and increasing muscle mass is more pronounced. In both men and women, an improvement in hydration is evident with increased vigorous physical activity volume.
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Affiliation(s)
| | | | | | | | - Paweł Gać
- Department of Population Health, Division of Environmental Health and Occupational Medicine, Wroclaw Medical University, Mikulicza-Radeckiego 7, 50-368 Wrocław, Poland
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Ibrahim HA, Nahari MH, Al-khadher MA, Ismail NI, Elgzar WT. Gender Disparities in Osteoporosis Knowledge, Health Beliefs and Preventive Behaviors in Najran City, Saudi Arabia. Nutrients 2023; 15:3658. [PMID: 37630848 PMCID: PMC10457756 DOI: 10.3390/nu15163658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 07/24/2023] [Accepted: 08/14/2023] [Indexed: 08/27/2023] Open
Abstract
Osteoporosis is a chronic bone disease affecting both men and women, but it is more prevalent in women. Promoting a healthy lifestyle among adults, particularly women, is crucial in preventing and reducing the osteoporosis impact. This study aimed to compare the osteoporosis knowledge, health beliefs and preventive behaviors among adult male and female in Najran city Saudi Arabia. This cross-sectional study was performed on 516 males and 581 females in Najran City, Saudi Arabia, from January to April 2023. The data collection instrument is a self-reported online questionnaire consisting of basic data, the Osteoporosis Preventive Behavior (OPB) scale, the osteoporosis knowledge assessment tool, and the osteoporosis health belief scale. The results revealed that male participants had a higher OPB (26.70) than females (20.32). However, females have a higher knowledge (10.71), perceive themselves as more susceptible to osteoporosis (20.34) and had higher exercise barriers (20.11) compared to males (9.97, 18.79 and 19.20, respectively). Statistically significant correlations (p < 0.001) were observed between OPB, osteoporosis knowledge (r = 0.26), perceived susceptibility (r = 0.33), severity (r = 0.53), exercise (r = 0.54) and calcium (r = 0.33) benefits, exercise (r = 0.40) and calcium (r = 0.81) barriers and health motivation (r = 0.37). The study concluded significant disparities between males and females regarding osteoporosis-related knowledge, preventive behaviors, perceived susceptibility, severity, and exercise perceived barriers. The results suggest gender-based educational interventions to enhance OPB by addressing osteoporosis-related knowledge, perceived susceptibility, seriousness, benefits, and health motivation.
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Affiliation(s)
- Heba A. Ibrahim
- Department of Maternity and Childhood Nursing, Nursing College, Najran University, Najran 66441, Saudi Arabia;
| | - Mohammed H. Nahari
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 66441, Saudi Arabia;
| | - Mugahed A. Al-khadher
- Department of Medical Surgical Nursing, Nursing College, Najran University, Najran 66441, Saudi Arabia;
| | - Nemat I. Ismail
- Department of Obstetrics and Gynecology Nursing, Nursing College, Damanhour University, Damanhour 22511, Egypt;
| | - Wafaa T. Elgzar
- Department of Maternity and Childhood Nursing, Nursing College, Najran University, Najran 66441, Saudi Arabia;
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10
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Zheng W, Shen H, Belhaidas MB, Zhao Y, Wang L, Yan J. The Relationship between Physical Fitness and Perceived Well-Being, Motivation, and Enjoyment in Chinese Adolescents during Physical Education: A Preliminary Cross-Sectional Study. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10010111. [PMID: 36670661 PMCID: PMC9856568 DOI: 10.3390/children10010111] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 12/31/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
Purpose: The purpose of this study is to investigate the relationship between physical fitness (PF) level and Chinese middle-school students’ perceived well-being, motivation, and enjoyment. Method: In this study, the participants were randomly selected from 16 Beijing-based middle schools in China. In addition to the collection of demographic data (i.e., gender, age, and parental education), tools including the Warwick-Edinburgh Mental Well-Being Scale, the Behavioural Regulation in Sport Questionnaire, and the Physical Activity Children’s Enjoyment Scale were employed for collecting data on other variables of well-being, motivation, and enjoyment, respectively. Results: A total of 1678 adolescents (M age = 14.66 years, SD = 1.80) participated in this study. According to the results, significant gender differences could be observed in the PF categories of mean age, BMI, vital capacity, 50-m sprint, muscular strength, and flexibility (all p < 0.05). In contrast, there was no significant gender difference in the levels of well-being, motivation, and enjoyment observed, with similar scores for boys and girls (p > 0.05). Indeed, adolescents with low BMI scores and high levels of vital capacity, muscular strength, and flexibility showed better well-being, motivation, and enjoyment. However, no association was observed between timed sit-ups and pull-ups and well-being, motivation, and enjoyment. Conclusions: This study produced preliminary findings on the relationship between PF and Chinese adolescents’ perceived well-being, motivation, and enjoyment. To improve the health of adolescents, it is necessary to adopt prospective and experimental research designs for advocating for fitness education in school-based programs in future research.
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Affiliation(s)
- Wei Zheng
- School of Physical Education, Guangzhou Sports University, Guangzhou 510500, China
| | - Hejun Shen
- School of Physical Education and Humanity, Nanjing Sport Institute, Nanjing 210014, China
| | - Mohammed B. Belhaidas
- Institute of Physical Education and Sports, University of Abdelhamid Ibn Badis, Mostaganem 27000, Algeria
| | - Yaping Zhao
- The Library Unit, Shandong Sport University, Jinan 250102, China
| | - Lei Wang
- School of Physical Education, Shanghai University of Sport, Shanghai 200483, China
| | - Jin Yan
- Centre for Active Living and Learning, University of Newcastle, Callaghan, NSW 2308, Australia
- College of Human and Social Futures, University of Newcastle, Callaghan, NSW 2308, Australia
- Correspondence:
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11
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Toselli S, Rinaldo N, Mauro M, Grigoletto A, Zaccagni L. Body Image Perception in Adolescents: The Role of Sports Practice and Sex. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph192215119. [PMID: 36429834 PMCID: PMC9690021 DOI: 10.3390/ijerph192215119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/09/2022] [Accepted: 11/15/2022] [Indexed: 06/01/2023]
Abstract
Concerns about weight and body image are common among adolescents, as adolescence represents a time of intense and rapid change. This cross-sectional study assessed the difference in body image perception by sex, weight status and sports practice in a sample of Italians aged 13-18 years. For this purpose, we considered a sample of 140 adolescents subdivided into two groups: a group of sports-playing teenagers practicing volleyball (39 males and 26 females), and a group of teenagers not actively involved in sports (24 males and 51 females). Body mass index (BMI), body image variables, and sports practice were examined. Due to COVID-19 limitations, height and weight were self-reported and BMI was calculated as weight (in kilograms) divided by the square of height (in meters). Body image perception was assessed by the short version of the Body Shape Questionnaire (BSQ-14) and by the Stunkard Body Silhouette Chart. Two-way ANCOVAs adjusted for age were performed to test the differences between sexes and sports groups. Adolescent volleyball players had a lower incidence of weight disorders. Weight status significantly differed between those who played sports and those who did not, but there was no significant difference in weight status between sexes. On the whole, sports players and males showed higher results than non-sports players and females. The highest level of body image dissatisfaction was found in non-sports-playing females, while sports-playing males showed the lowest. The present study confirms the positive link between sport and body image and can be of support to lead adolescents to adopt a healthier and more active lifestyle. Further research is needed to validate our findings through a longitudinal study during the entire period of adolescence. In addition, it would be interesting to validate the results on a larger sample, also taking into account socio-demographic variables and including athletes engaged in different types of sports.
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Affiliation(s)
- Stefania Toselli
- Department of Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Natascia Rinaldo
- Department of Neuroscience and Rehabilitation, Faculty of Medicine, Pharmacy and Prevention, University of Ferrara, 44122 Ferrara, Italy
| | - Mario Mauro
- Department of Life Quality Studies, University of Bologna, 47921 Rimini, Italy
| | - Alessia Grigoletto
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - Luciana Zaccagni
- Department of Neuroscience and Rehabilitation, Faculty of Medicine, Pharmacy and Prevention, University of Ferrara, 44122 Ferrara, Italy
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Li B, Sun L, Yu Y, Xin H, Zhang H, Liu J, Zhang Z. Associations between body composition and physical fitness among Chinese medical students: a cross-sectional study. BMC Public Health 2022; 22:2041. [PMID: 36348367 PMCID: PMC9641886 DOI: 10.1186/s12889-022-14548-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
Background This study examined associations between body composition and physical fitness scores among medical students in Shenyang, China. Methods A total of 2291 medical students aged 18–20 (815 male and 1476 female) in Shenyang of China were recruited to participate in the research in May 2019. With the use of the BCA-1B body composition analyzer and standard method of physical fitness assessment, the body composition and seven measures of physical fitness (body mass index, vital capacity, sit and reach, standing long jump, pull-ups/crunches, 50-m sprint, and 800/1000-m run) of college students were measured, respectively. The associations between body composition and physical fitness scores were assessed using multiple linear regression analysis. Results The height, weight, total body water, protein mass, mineral content, body mass index, vital capacity, and body function scores of male students were significantly higher than those of female students. However, fat mass (FM), body shape score, physical quality score, and total physical fitness score of female students were significantly higher than those of male students. The results of the multiple linear regression analysis indicated that in male students, only FM was negatively associated with body shape score, body function score, physical quality score, and total physical fitness score. In female students, FM was associated with lower body shape scores, physical quality scores, and total physical fitness scores. Furthermore, the ratio of overweight to obesity in male students was significantly higher than that in female students. Conclusions In Chinese medical colleges, the physical fitness level of female students is better than that of male students, and a higher FM was significantly associated with worse physical fitness of medical students. Moreover, male students with a higher rate of overweight and obesity are an important group that needs weight control.
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An Empirical Study on the Influence of College Students’ Physical Fitness on the Level of Public Health. JOURNAL OF ENVIRONMENTAL AND PUBLIC HEALTH 2022; 2022:8197903. [PMID: 36246478 PMCID: PMC9556183 DOI: 10.1155/2022/8197903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/08/2022] [Accepted: 09/06/2022] [Indexed: 11/24/2022]
Abstract
As a compulsory course in universities, physical fitness is an important part of public health. At present, research on physical fitness lacks a comprehensive evaluation method, which cannot accurately guide public health. Based on this, this paper compares the key factors affecting public health, aiming to better guide public health and improve the level of public health. In this paper, 219 college students were selected as the research object, using statistical analysis methods, to find out the significant differences in influencing factors. Then, regression analysis is carried out on different influencing factors to determine the key factors affecting physical fitness. The results show that physical fitness level, exercise frequency, and physical injury are the key factors affecting physical fitness and have a serious impact on public health, with an impact level of about 70~80%. Therefore, colleges and sports departments should set out from the above factors, formulate a development plan for physical fitness, and promote the improvement of public health.
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Mateo-Orcajada A, Vaquero-Cristóbal R, Esparza-Ros F, Abenza-Cano L. Physical, Psychological, and Body Composition Differences between Active and Sedentary Adolescents According to the "Fat but Fit" Paradigm. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph191710797. [PMID: 36078538 PMCID: PMC9518456 DOI: 10.3390/ijerph191710797] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 05/16/2023]
Abstract
The practice of physical activity during adolescence is essential for the proper development of the population. In recent decades, the relevance of physical activity has been increasing, due to the development of the "fat but fit" paradigm. This paradigm shows that adolescents with a high level of physical fitness are healthier than adolescents with poorer physical fitness, regardless of their weight, giving importance to sports practice over other aspects. However, few previous studies have analyzed the differences in physical and body composition between active and sedentary adolescents in this paradigm. For this reason, the objectives of the present study were to establish the differences in body composition, physical performance, and adherence to the Mediterranean diet between active and sedentary adolescents; and to analyze the differences between active and sedentary adolescents according to the "fat but fit" paradigm. The sample consisted of 791 adolescent whose body composition, level of physical activity, adherence to the Mediterranean diet, and physical fitness were measured. It was found significant between active and sedentary adolescents in most of the anthropometric, AMD, and physical fitness variables, with a significant effect of the covariates gender, age, BMI, and biological maturation on the model. The binary logistic regression analysis performed shows that anthropometric variables, AMD, and VO2 max can be considered as primary outcomes to distinguish between active and sedentary groups of adolescents. Furthermore, the results showed that the active adolescents, regardless of their weight status, had lower fat mass and greater muscle mass, as well as a higher performance in the physical fitness tests, and greater adherence to the Mediterranean diet than the sedentary adolescents. To conclude, the practice of physical activity is a determinant for the improvement of body composition, physical performance, and adherence to the Mediterranean diet of the adolescent population, regardless of their gender, age, weight, or maturity status.
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Affiliation(s)
| | - Raquel Vaquero-Cristóbal
- Faculty of Sport, Catholic University San Antonio of Murcia, 30107 Murcia, Spain
- Kinanthropometry International Chair, Catholic University San Antonio of Murcia, 30107 Murcia, Spain
- Correspondence: ; Tel.: +34-968-27-82-17
| | - Francisco Esparza-Ros
- Kinanthropometry International Chair, Catholic University San Antonio of Murcia, 30107 Murcia, Spain
| | - Lucía Abenza-Cano
- Faculty of Sport, Catholic University San Antonio of Murcia, 30107 Murcia, Spain
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Mancini A, Martone D, Vitucci D, Capobianco A, Alfieri A, Buono P, Orrù S. Influence of Sport Practice and Body Weight on Physical Fitness in Schoolchildren Living in the Campania Region. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127412. [PMID: 35742659 PMCID: PMC9223406 DOI: 10.3390/ijerph19127412] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 06/12/2022] [Accepted: 06/14/2022] [Indexed: 02/01/2023]
Abstract
Background: Physical fitness (PF) levels correlate with health hallmarks at all ages. In this study, w aimed to determine the PF level of schoolchildren from the Campania Region (Italy) through health-related PF (HRPF) components, taking into account body weight and sport practice (SP). Methods: PF level was determined in 565 schoolchildren aged 10−13 (11.7 ± 1.0 yrs; m: 353, f: 212) using some of the Eurofit battery tests. Results: 77% children practiced sport, boys more than girls (86% vs. 63%, respectively; p < 0.05). Boys performed better than girls (p < 0.05) in the Plate Tapping, Standing Broad Jump, Bent-Arm Hang, and 10 × 5 m Shuttle Run tests; girls performed better in the Sit-and-Reach Test (p < 0.05). Conclusion: Overweight/obese status negatively affects the muscular strength of lower limbs, even if it progressively improves during growth. SP was revealed to be a determinant in performance only in some PF tests, likely due to the heterogeneous training level among boys and girls who practice sport.
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Affiliation(s)
- Annamaria Mancini
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
| | - Domenico Martone
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
| | - Daniela Vitucci
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
| | - Adriano Capobianco
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
| | - Andreina Alfieri
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
| | - Pasqualina Buono
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
| | - Stefania Orrù
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy; (A.M.); (D.M.); (D.V.); (A.C.); (A.A.); (P.B.)
- CEINGE Biotecnologia Avanzate “Franco Salvatore”, 80145 Naples, Italy
- Correspondence:
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Badau D, Badau A, Trambitas C, Trambitas-Miron D, Moraru R, Stan AA, Oancea BM, Turcu I, Grosu EF, Grosu VT, Daina LG, Daina CM, Suteu CL, Moraru L. Differences between Active and Semi-Active Students Regarding the Parameters of Body Composition Using Bioimpedance and Magnetic Bioresonance Technologies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18157906. [PMID: 34360200 PMCID: PMC8345541 DOI: 10.3390/ijerph18157906] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/21/2021] [Accepted: 07/22/2021] [Indexed: 11/27/2022]
Abstract
The aim of the study was to identify differences in obesity-related parameters between active sports students and semi-active or sedentary students, differentiated by sex, in order to optimize health. The study sample included 286 students, of which the male experimental sample consisted of 86 active sports students, age X ± SD 21.25 ± 0.32 years; height X ± SD 181.08 ± 3.52 cm; control group consisting of 89 semi-active students aged X ± SD 21.07 ± 0.1.13 years; height X ± SD 182.11 ± 1.32. The female experimental sample includes 57 active sports students, age X ± SD 21.02 ± 0.92 years; height X ± SD 167.48 ± 1.34 cm; the control group includes 54 semi-active students aged X ± SD 21.57 ± 0.1.98 years; height X ± SD 168.42 ± 1.76. The study used a thalliometer, Tanita Health Ware software and Quantum Resonance Magnetic Analyzer equipment to investigate height (cm), Body Mass Index (BMI), muscle mass (kg, %), as well as the obesity analysis report, and componential analysis of body and nourishment. The differences registered between the samples of active and semi-active sports subjects were predominantly statistically significant for p < 0.05. The differences registered between the samples of active and semi-active sports subjects were predominantly statistically significant for p < 0.05. The most important parameters regarding obesity and body composition that registered significant differences between the two male groups were in favor of the group of active athletes: triglyceride content of abnormal coefficient 0.844 (CI95% 0.590–1.099), abnormal lipid metabolism coefficient 0.798 (CI95% 1.091–0.504), obesity degree of body (ODB %) 10.290 (CI95% 6.610–13.970), BMI 2.326 (CI95% 1.527–3.126), body fat (kg) 2.042 (CI95% 0.918–3.166), muscle volume (kg) 2.565 (CI95% 1.100–4.031), Lean body weight (kg) 2.841 (CI95% 5.265–0.418). In the case of female samples, the group of active sportswomen registered the biggest differences compared to the group of students who were significantly active in the parameters: abnormal lipid metabolism coefficient 1.063 (CI95% 1.380–0.746), triglyceride content of abnormal coefficient 0.807 (CI95% 0.437–1.178), obesity degree of body (ODB%) 8.082 (CI95% 2.983–13.181), BMI 2.285 (CI95% 1.247–3.324), body fat (kg) 2.586 (CI95% 0.905–4.267), muscle volume (kg) 2.570 (CI95% 0.154–4.985), lean body weight (kg) 4.118 (CI95% 1.160–7.077). The results of the study directly facilitate the understanding of the complexity of the impact of obesity on multiple parameters of body composition and health.
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Affiliation(s)
- Dana Badau
- “Petru Maior” Faculty of Sciences and Letters, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania;
| | - Adela Badau
- “Petru Maior” Faculty of Sciences and Letters, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania;
- Correspondence: (A.B.); (C.T.)
| | - Cristian Trambitas
- Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania; (D.T.-M.); (R.M.); (A.A.S.); (L.M.)
- Correspondence: (A.B.); (C.T.)
| | - Dia Trambitas-Miron
- Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania; (D.T.-M.); (R.M.); (A.A.S.); (L.M.)
| | - Raluca Moraru
- Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania; (D.T.-M.); (R.M.); (A.A.S.); (L.M.)
| | - Alexandru Antoniu Stan
- Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania; (D.T.-M.); (R.M.); (A.A.S.); (L.M.)
| | - Bogdan Marian Oancea
- Faculty of Physical Education and Mountain Sports, Transilvania University, 500068 Brasov, Romania; (B.M.O.); (I.T.)
| | - Ioan Turcu
- Faculty of Physical Education and Mountain Sports, Transilvania University, 500068 Brasov, Romania; (B.M.O.); (I.T.)
| | - Emilia Florina Grosu
- Faculty of Physical Education and Sports, “Babes Bolyai” University, 540142 Cluj-Napoca, Romania;
| | - Vlad Teodor Grosu
- Faculty of Automotive Mechatronics and Mechanical Engineering, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania;
| | - Lucia Georgeta Daina
- Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania; (L.G.D.); (C.M.D.); (C.L.S.)
| | - Cristian Marius Daina
- Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania; (L.G.D.); (C.M.D.); (C.L.S.)
| | - Corina Lacramioara Suteu
- Faculty of Medicine and Pharmacy, University of Oradea, 410087 Oradea, Romania; (L.G.D.); (C.M.D.); (C.L.S.)
| | - Liviu Moraru
- Faculty of Medicine, “George Emil Palade” University of Medicine, Pharmacy, Sciences and Technology, 540142 Targu Mures, Romania; (D.T.-M.); (R.M.); (A.A.S.); (L.M.)
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