1
|
Rosa GB, Staiano V, Ponikvar K, Magalhães JP, Correia IR, Hetherington-Rauth M, Sardinha LB. Cardiorespiratory fitness and muscular fitness correlates in youth: A hierarchy of behavioral, contextual, and health-related outcomes. J Sci Med Sport 2024; 27:486-492. [PMID: 38531732 DOI: 10.1016/j.jsams.2024.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/09/2024] [Accepted: 03/11/2024] [Indexed: 03/28/2024]
Abstract
OBJECTIVES Despite the health importance of identifying correlates of physical fitness in youth, no investigation to date has explored the influence of behavioral, health-related, and contextual correlates simultaneously. We investigated the hierarchical relationship of multiple modifiable correlates favoring or diminishing cardiorespiratory and muscular fitness in youth. DESIGN Cross-sectional investigation. METHODS In a sample of 5174 children and adolescents, 31 correlates were hierarchized according to their impact on cardiorespiratory and muscular fitness assessed using the FITESCOLA® fitness battery. A Chi-squared Automatic Interaction Detection approach was employed and measures of correlation and association were used to investigate the relationship between physical fitness and correlates. RESULTS In children, body mass index was the most relevant factor to discriminate between high and low cardiorespiratory and muscular fitness of the upper, middle, and lower body. While body mass index was more important than any other correlate to differentiate levels of upper and lower body muscular fitness during adolescence, specific characteristics of sports participation emerged as key factors to discriminate between high and low cardiorespiratory fitness and middle body muscular fitness. Other correlates, including the self-report of active recess time, active commuting to school, favorable neighborhood conditions, and limited time on screens and cellphones, were demonstrative of favorable physical fitness levels. CONCLUSIONS Both body composition and sports-related characteristics emerged as the two most relevant factors of physical fitness in youth. Additional health benefits may be obtained from building supportive environments for sports and healthy exercise habits within the household and at different school education levels.
Collapse
Affiliation(s)
- Gil B Rosa
- Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal.
| | - Viviana Staiano
- Department of Movement Sciences and Wellbeing, University of Naples Parthenope, Italy
| | | | - João P Magalhães
- Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
| | - Inês R Correia
- Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
| | | | - Luís B Sardinha
- Exercise and Health Laboratory, CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Portugal
| |
Collapse
|
2
|
Almarjawi AC, Wright KE, Buist BD, Cairney J, Ton TT, Furzer BJ. Reliability of Fitness Assessments in Children With Emotional and Behavioral Difficulties. Pediatr Exerc Sci 2023; 35:206-213. [PMID: 36596308 DOI: 10.1123/pes.2022-0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 10/04/2022] [Accepted: 11/07/2022] [Indexed: 01/04/2023]
Abstract
PURPOSE Examine the reliability of field-based fitness assessments in school-aged children with emotional or behavioral difficulties (EBD). Understanding the impact of fitness on physical activity participation for children with EBD is limited by our ability to reliably measure it. METHODS Fifteen children aged 7-12 years with EBD completed 7 assessments-standing broad jump, overhead throw, grip strength, isometric plank hold, isometric wall squat, unilateral heel raise, and modified 6-minute walk test-in a random order on 2 separate occasions. Intraclass correlation coefficients (ICCs) were computed to evaluate reliability. RESULTS ICCs ranged from .65 to .99 representing moderate to excellent reliability for all assessments. Shorter assessments requiring less attention and behavior regulation tended to demonstrate higher ICC values while assessments with greater attention or behavioral regulation demands tended to have lower ICC values. CONCLUSION Results demonstrate varied reliability for fitness tests in children with EBD. Practitioners can use grip strength and standing broad jump assessments with confidence. Other assessments have good reliability but greater variability indicating they may be a challenge for some children with EBD.
Collapse
Affiliation(s)
- Ashley C Almarjawi
- School of Human Science (Exercise & Sport Science), The University of Western Australia, Perth, WA,Australia
- Thriving Exercise Rehabilitation Inc, Perth, WA,Australia
| | - Kemi E Wright
- Thriving Exercise Rehabilitation Inc, Perth, WA,Australia
- School of Health Sciences, University of New South Wales, Sydney, NSW,Australia
| | - Brett D Buist
- School of Human Science (Exercise & Sport Science), The University of Western Australia, Perth, WA,Australia
| | - John Cairney
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD,Australia
| | - Tony T Ton
- School of Human Science (Exercise & Sport Science), The University of Western Australia, Perth, WA,Australia
- Thriving Exercise Rehabilitation Inc, Perth, WA,Australia
| | - Bonnie J Furzer
- School of Human Science (Exercise & Sport Science), The University of Western Australia, Perth, WA,Australia
- Thriving Exercise Rehabilitation Inc, Perth, WA,Australia
- Telethon Kids Institute, Perth, WA,Australia
| |
Collapse
|
3
|
Clustered Associations between Musculoskeletal Fitness Tests and Functional Movement Screen in Physically Active Men. BIOMED RESEARCH INTERNATIONAL 2023; 2023:5942329. [PMID: 36814800 PMCID: PMC9940965 DOI: 10.1155/2023/5942329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 01/10/2023] [Accepted: 01/18/2023] [Indexed: 02/15/2023]
Abstract
Functional Movement Screen (FMS) is a tool used to assess fundamental movement patterns. There are relationships between musculoskeletal fitness (MSF) and a FMS. However, there is limited data regarding the multidimensional associations between these two constructs. This study is aimed at investigating the associations and detailed structures of FMS components and MSF components and identifying a deeper detailed structure of their relations to physical fitness. The study sample included 114 physically active men with an average body height of 1.81 ± 0.07 (cm), body weight of 80.61 ± 9.49 (kg), and a BMI of 24.65 ± 2.46 (kg/m2). Each participant performed a FMS test, sit-and-reach (S&R) test, sit-ups (ABS) evaluation, balance evaluation on an AMTI platform, handgrip strength (HG) testing, and standing broad jump (SBJ) ability. The Kendall's Tau correlation was performed to identify simple associations between FMS and MSF. Cluster analysis was used to determine the multidimensional nature of the relationships. In the vast majority, a positive correlation was observed suggesting that a high level of MSF improved FMS test results. A cluster analysis revealed 4 separate clusters. Shoulder mobility (SM) was identified as a single cluster. A strong similarity was observed between SBJ and trunk stability push-up (TSPU) forming a second cluster. This cluster joined to another consisting of the S&R test and active straight leg raise (ASLR) test. The last cluster consisted of HG and hurdle step (HS). These results confirmed that FMS and MSF tests measure the same constructs-a foundation for an individual's motor coordination, muscle strength, postural stability, and dynamic balance. This knowledge could be helpful in effectively enhancing physical performance based on combining similar constructs to accelerate the achievement of established goals.
Collapse
|
4
|
Skeletal Muscle Measurements in Pediatric Hematology and Oncology: Essential Components to a Comprehensive Assessment. CHILDREN (BASEL, SWITZERLAND) 2023; 10:children10010114. [PMID: 36670664 PMCID: PMC9856749 DOI: 10.3390/children10010114] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 12/30/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
Children with hematologic and oncologic health conditions are at risk of impaired skeletal muscle strength, size, and neuromuscular activation that may limit gross motor performance. A comprehensive assessment of neuromuscular function of these children is essential to identify the trajectory of changes in skeletal muscle and to prescribe therapeutic exercise and monitor its impact. Therefore, this review aims to (a) define fundamental properties of skeletal muscle; (b) highlight methods to quantify muscle strength, size, and neuromuscular activation; (c) describe mechanisms that contribute to muscle strength and gross motor performance in children; (d) recommend clinical assessment measures; and (e) illustrate comprehensive muscle assessment in children using examples of sickle cell disease and musculoskeletal sarcoma.
Collapse
|
5
|
Lang JJ, Zhang K, Agostinis-Sobrinho C, Andersen LB, Basterfield L, Berglind D, Blain DO, Cadenas-Sanchez C, Cameron C, Carson V, Colley RC, Csányi T, Faigenbaum AD, García-Hermoso A, Gomes TNQF, Gribbon A, Janssen I, Jurak G, Kaj M, Kidokoro T, Lane KN, Liu Y, Löf M, Lubans DR, Magnussen CG, Manyanga T, McGrath R, Mota J, Olds T, Onywera VO, Ortega FB, Oyeyemi AL, Prince SA, Ramírez-Vélez R, Roberts KC, Rubín L, Servais J, Silva DAS, Silva DR, Smith JJ, Song Y, Stratton G, Timmons BW, Tomkinson GR, Tremblay MS, Wong SHS, Fraser BJ. Top 10 International Priorities for Physical Fitness Research and Surveillance Among Children and Adolescents: A Twin-Panel Delphi Study. Sports Med 2023; 53:549-564. [PMID: 36001291 PMCID: PMC9399984 DOI: 10.1007/s40279-022-01752-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2022] [Indexed: 01/28/2023]
Abstract
BACKGROUND The measurement of physical fitness has a history that dates back nearly 200 years. Recently, there has been an increase in international research and surveillance on physical fitness creating a need for setting international priorities that could help guide future efforts. OBJECTIVE This study aimed to produce a list of the top 10 international priorities for research and surveillance on physical fitness among children and adolescents. METHODS Using a twin-panel Delphi method, two independent panels consisting of 46 international experts were identified (panel 1 = 28, panel 2 = 18). The panel participants were asked to list up to five priorities for research or surveillance (round 1), and then rated the items from their own panel on a 5-point Likert scale of importance (round 2). In round 3, experts were asked to rate the priorities identified by the other panel. RESULTS There was strong between-panel agreement (panel 1: rs = 0.76, p < 0.01; panel 2: rs = 0.77, p < 0.01) in the priorities identified. The list of the final top 10 priorities included (i) "conduct longitudinal studies to assess changes in fitness and associations with health". This was followed by (ii) "use fitness surveillance to inform decision making", and (iii) "implement regular and consistent international/national fitness surveys using common measures". CONCLUSIONS The priorities identified in this study provide guidance for future international collaborations and research efforts on the physical fitness of children and adolescents over the next decade and beyond.
Collapse
Affiliation(s)
- Justin J. Lang
- grid.415368.d0000 0001 0805 4386Centre for Surveillance and Applied Research, Public Health Agency of Canada, 785 Carling Ave, Ottawa, ON K9A 0K9 Canada ,grid.28046.380000 0001 2182 2255School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON Canada ,grid.414148.c0000 0000 9402 6172Healthy Active Living and Obesity Research Group, Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON Canada
| | - Kai Zhang
- grid.414148.c0000 0000 9402 6172Healthy Active Living and Obesity Research Group, Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON Canada ,grid.28046.380000 0001 2182 2255School of Human Kinetics, University of Ottawa, Ottawa, ON Canada
| | - César Agostinis-Sobrinho
- grid.14329.3d0000 0001 1011 2418Faculty of Health Sciences, Klaipeda University, Klaipeda, Lithuania
| | - Lars Bo Andersen
- grid.477239.c0000 0004 1754 9964Department of Sport, Food and Natural Sciences. Western, Norway University of Applied Science, Bergen, Norway
| | - Laura Basterfield
- grid.1006.70000 0001 0462 7212Population Health Sciences Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Daniel Berglind
- grid.4714.60000 0004 1937 0626Department of Global Public Health and Centre for Epidemiology and Community Medicine (CES), Karolinska Institutet, Stockholm, Sweden
| | - Dylan O. Blain
- grid.12362.340000 0000 9280 9077Institute of Management and Health, University of Wales Trinity Saint David, Wales, UK
| | - Cristina Cadenas-Sanchez
- grid.4489.10000000121678994PROFITH “PROmoting FITness and Health Through Physical Activity” Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | - Christine Cameron
- grid.418590.10000 0001 2164 2780Canadian Fitness and Lifestyle Research Institute, Ottawa, ON Canada
| | - Valerie Carson
- grid.17089.370000 0001 2190 316XFaculty of Kinesiology, Sport, and Recreation, University of Alberta, Edmonton, AB Canada
| | - Rachel C. Colley
- grid.413850.b0000 0001 2097 5698Health Analysis Division, Statistics Canada, Ottawa, ON Canada
| | - Tamás Csányi
- Department of Physical Education Theory and Methodology, Hungarian University of Sports Science, Budapest, Hungary ,grid.5591.80000 0001 2294 6276Faculty of Primary and Pre-School Education, ELTE, Eötvös Loránd University, Budapest, Hungary
| | - Avery D. Faigenbaum
- grid.264500.50000 0004 0400 5239Kinesiology and Health Science, The College of New Jersey, Ewing, NJ USA
| | - Antonio García-Hermoso
- grid.410476.00000 0001 2174 6440Navarrabiomed, Hospital Universitario de Navarra (HUN), Navarra Institute for Health Research (IdiSNA), Universidad Pública de Navarra (UPNA), Pamplona, Navarra Spain
| | - Thayse Natacha Q. F. Gomes
- grid.411252.10000 0001 2285 6801Department of Physical Education, Federal University of Sergipe, São Cristóvão, SE Brazil
| | - Aidan Gribbon
- grid.413850.b0000 0001 2097 5698Centre for Population Health Data, Statistics Canada, Ottawa, ON Canada
| | - Ian Janssen
- grid.410356.50000 0004 1936 8331School of Kinesiology and Health Studies, Queen’s University, Kingston, ON Canada ,grid.410356.50000 0004 1936 8331Department of Public Health Sciences, Queen’s University, Kingston, ON Canada
| | - Gregor Jurak
- grid.8954.00000 0001 0721 6013Faculty of Sport, University of Ljubljana, Ljubljana, Slovenia
| | - Mónika Kaj
- grid.511942.aHungarian School Sport Federation, Budapest, Hungary
| | - Tetsuhiro Kidokoro
- grid.412200.50000 0001 2228 003XResearch Institute for Health and Sport Science, Nippon Sport Science University, Tokyo, Japan
| | - Kirstin N. Lane
- grid.143640.40000 0004 1936 9465School of Exercise Science, Physical and Health Education, University of Victoria, Victoria, BC Canada
| | - Yang Liu
- grid.412543.50000 0001 0033 4148School of Physical Education and Sport Training, Shanghai University of Sport, Shanghai, China ,grid.412543.50000 0001 0033 4148Shanghai Research Center for Physical Fitness and Health of Children and Adolescents, Shanghai University of Sport, Shanghai, China
| | - Marie Löf
- grid.4714.60000 0004 1937 0626Department of Biosciences and Nutrition, Karolinska Institutet, Stockholm, Sweden ,grid.5640.70000 0001 2162 9922Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - David R. Lubans
- grid.266842.c0000 0000 8831 109XCentre for Active Living and Learning, College of Human and Social Futures, The University of Newcastle, Callaghan, NSW Australia
| | - Costan G. Magnussen
- grid.1051.50000 0000 9760 5620Baker Heart and Diabetes Institute, Melbourne, VIC Australia ,grid.1374.10000 0001 2097 1371Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland ,grid.1374.10000 0001 2097 1371Centre for Population Health Research, Turku University Hospital, University of Turku, Turku, Finland ,grid.1009.80000 0004 1936 826XMenzies Institute for Medical Research, University of Tasmania, Hobart, TAS Australia
| | - Taru Manyanga
- grid.266876.b0000 0001 2156 9982Division of Medical Sciences, University of Northern British Columbia, Prince George, BC Canada
| | - Ryan McGrath
- grid.261055.50000 0001 2293 4611Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, ND USA ,grid.509356.c0000 0004 0420 0122Fargo VA Healthcare System, Fargo, ND USA
| | - Jorge Mota
- grid.5808.50000 0001 1503 7226Laboratory for Integrative and Translational Research in Population Health (ITR), Research Center in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sports, University of Porto (FADEUP), Porto, Portugal
| | - Tim Olds
- grid.1026.50000 0000 8994 5086Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Adelaide, SA Australia ,grid.1008.90000 0001 2179 088XMurdoch Children’s Research Institute, University of Melbourne, Parkville, Melbourne, VIC Australia
| | - Vincent O. Onywera
- grid.9762.a0000 0000 8732 4964Department of Physical Education, Exercise and Sports Science, Kenyatta University, Nairobi, Kenya
| | - Francisco B. Ortega
- grid.4489.10000000121678994PROFITH “PROmoting FITness and Health Through Physical Activity” Research Group, Sport and Health University Research Institute (iMUDS), Department of Physical and Sports Education, Faculty of Sport Sciences, University of Granada, Granada, Spain ,grid.9681.60000 0001 1013 7965Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland
| | - Adewale L. Oyeyemi
- grid.413017.00000 0000 9001 9645Department of Physiotherapy, University of Maiduguri, Maiduguri, Nigeria
| | - Stephanie A. Prince
- grid.415368.d0000 0001 0805 4386Centre for Surveillance and Applied Research, Public Health Agency of Canada, 785 Carling Ave, Ottawa, ON K9A 0K9 Canada ,grid.28046.380000 0001 2182 2255School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON Canada
| | - Robinson Ramírez-Vélez
- grid.410476.00000 0001 2174 6440Navarrabiomed, Hospital Universitario de Navarra (HUN), Navarra Institute for Health Research (IdiSNA), Universidad Pública de Navarra (UPNA), Pamplona, Navarra Spain ,grid.442065.10000 0004 0486 4893Facultad de Ciencias de la Educación, Unidad Central del Valle del Cauca (UCEVA), Túlua, Colombia ,grid.413448.e0000 0000 9314 1427CIBER of Frailty and Healthy Aging (CIBERFES), Instituto de Salud Carlos III, Madrid, Spain
| | - Karen C. Roberts
- grid.415368.d0000 0001 0805 4386Centre for Surveillance and Applied Research, Public Health Agency of Canada, 785 Carling Ave, Ottawa, ON K9A 0K9 Canada
| | - Lukáš Rubín
- grid.6912.c0000000110151740Department of Physical Education and Sport, Technical University of Liberec, Liberec, Czech Republic ,grid.10979.360000 0001 1245 3953Institute of Active Lifestyle, Palacký University Olomouc, Olomouc, Czech Republic
| | - Jennifer Servais
- grid.413850.b0000 0001 2097 5698Centre for Population Health Data, Statistics Canada, Ottawa, ON Canada
| | - Diego Augusto Santos Silva
- grid.411237.20000 0001 2188 7235Sports Center, Federal University of Santa Catarina, Florianópolis, SC Brazil
| | - Danilo R. Silva
- grid.411252.10000 0001 2285 6801Department of Physical Education, Federal University of Sergipe, São Cristóvão, SE Brazil ,grid.441837.d0000 0001 0765 9762Faculty of Health Science, Universidad Autónoma de Chile, Santiago, Chile
| | - Jordan J. Smith
- grid.266842.c0000 0000 8831 109XCentre for Active Living and Learning, College of Human and Social Futures, The University of Newcastle, Callaghan, NSW Australia
| | - Yi Song
- grid.11135.370000 0001 2256 9319Institute of Child and Adolescent Health, School of Public Health, National Health Commission Key Laboratory of Reproductive Health, Peking University, Beijing, China
| | - Gareth Stratton
- grid.4827.90000 0001 0658 8800Applied Sport Technology Exercise and Medicine Research Centre, Faculty Science and Engineering, Swansea University, Wales, UK
| | - Brian W. Timmons
- grid.414148.c0000 0000 9402 6172Healthy Active Living and Obesity Research Group, Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON Canada ,grid.25073.330000 0004 1936 8227Child Health and Exercise Medicine Program, McMaster University, Hamilton, ON Canada
| | - Grant R. Tomkinson
- grid.1026.50000 0000 8994 5086Alliance for Research in Exercise, Nutrition and Activity (ARENA), University of South Australia, Adelaide, SA Australia ,grid.266862.e0000 0004 1936 8163Department of Education, Health and Behavior Studies, University of North Dakota, Grand Forks, ND USA
| | - Mark S. Tremblay
- grid.414148.c0000 0000 9402 6172Healthy Active Living and Obesity Research Group, Children’s Hospital of Eastern Ontario Research Institute, Ottawa, ON Canada ,grid.28046.380000 0001 2182 2255Department of Pediatrics, University of Ottawa, Ottawa, ON Canada ,grid.34428.390000 0004 1936 893XDepartment of Health Sciences, Carleton University, Ottawa, ON Canada
| | - Stephen H. S. Wong
- grid.10784.3a0000 0004 1937 0482Department of Sports Science and Physical Education, The Chinese University of Hong Kong, Shatin, Hong Kong
| | - Brooklyn J. Fraser
- grid.1009.80000 0004 1936 826XMenzies Institute for Medical Research, University of Tasmania, Hobart, TAS Australia
| |
Collapse
|
6
|
Jung HW, Lee J, Kim J. Handgrip Strength Is Associated with Metabolic Syndrome and Insulin Resistance in Children and Adolescents: Analysis of Korea National Health and Nutrition Examination Survey 2014-2018. J Obes Metab Syndr 2022; 31:334-344. [PMID: 36581591 PMCID: PMC9828701 DOI: 10.7570/jomes22053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/18/2022] [Accepted: 12/16/2022] [Indexed: 12/30/2022] Open
Abstract
Background Reduced handgrip strength (HGS) is associated with adverse cardiometabolic health outcomes. We examined HGS, metabolic syndrome (MetS), and insulin resistance (IR) in children and adolescents. Methods The following population-based data from 2,797 participants (aged 10-18 years) of the Korea National Health and Nutrition Examination Survey 2014-2018 were analyzed: complete anthropometric measures, HGS, MetS, and IR (subgroup with fasting insulin, n=555). HGS was analyzed as the combined HGS (CHGS) and the normalized CHGS (nCHGS=CHGS divided by body weight). Results At a mean age of 14.4 years, 276 participants (9.9%) had abdominal obesity, 56 (2.0%) had MetS, and 118 (20.9%) had IR. Individual components of MetS and IR were inversely associated with the nCHGS. The odds ratios (ORs) for MetS and IR decreased significantly with higher nCHGS after adjustment for sex, age, physical activity, and sedentary times. The optimal cut-off values that predicted MetS were 0.80 kg/kg (males) and 0.71 kg/kg (females), with significant associations with MetS (OR: 7.4 in males; 5.7 in females) and IR (OR: 3.3 in males; 3.2 in females) observed when nCHGS values were lower than those cut-offs. Conclusion HGS is associated with MetS and IR and might be a useful indicator of cardiometabolic risk factors in children and adolescents.
Collapse
Affiliation(s)
- Hae Woon Jung
- Department of Pediatrics, Kyung Hee University College of Medicine, Seoul, Korea
| | - Jieun Lee
- Department of Pediatrics, Inje University Ilsan Paik Hospital, Goyang, Korea
| | - Jaehyun Kim
- Department of Pediatrics, Seoul National University Bundang Hospital, Seongnam, Korea,Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea,Corresponding author Jaehyun Kim https://orcid.org/0000-0002-0203-7443 Department of Pediatrics, Seoul National University Bundang Hospital, Seoul National University College of Medicine, 82 Gumi-ro 173beon-gil, Bundang-gu, Seongnam 13620, Korea Tel: +82-31-787-7287 Fax: +82-31-787-4054 E-mail:
| |
Collapse
|
7
|
Cade Abrams T, Terlizzi BM, De Meester A, Sacko RS, Megan Irwin J, Luz C, Rodrigues LP, Cordovil R, Lopes VP, Schneider K, Stodden DF. Potential Relevance of a Motor Skill “Proficiency Barrier” on Health-Related Fitness in Youth. Eur J Sport Sci 2022:1-8. [PMID: 36437559 DOI: 10.1080/17461391.2022.2153300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
This study investigated the potential impact of a motor skill proficiency barrier on measures of cardiorespiratory (CRF) and musculoskeletal (MSF) fitness in youth. A sample of 241 youth (114 girls) aged 10 - 18 years, completed the Motor Competence Assessment battery with composite scores indexed according to age- and gender-adjusted percentile scores. Motor competence (MC) levels were categorized as low (≤ 25%tile - proficiency barrier), moderate (≥ 26%tile to < 75%tile), and high (≥ 75%tile). CRF levels (Health Risk, Needs Improvement, and Healthy) were assessed using the Fitnessgram® 20 m PACER test. Low (≤ 20%tile), moderate (≥ 21%tile to ≤ 80%tile), and high (≥ 80%tile) MSF levels were assessed using grip strength normative data. Two 3 × 3 chi-square tests were conducted to determine the probability of MC level predicting CRF and MSF levels. Results demonstrated statistically significant models for performance on both the PACER (χ2[4, N = 241] = 22.65, p < .001) and grip strength (χ2[4, N = 241] = 23.95, p < .001). Strong evidence of a proficiency barrier impacting CRF was noted, as no low skilled youth met the "Healthy" fitness zone standards for PACER performance. Evidence supporting a barrier with grip strength was not as strong, as 20.8% of youth exhibiting low MC displayed high grip strength. However, all individuals with high levels of MC demonstrated at least moderate grip strength. Results emphasize the importance of developing MC during childhood as it may provide a protective effect against unhealthy CRF and MSF across youth.HighlightsThese data support the notion of Seefeldt's (1980) proficiency barrier as it relates to CRF, as no youth demonstrating low MC met the healthy fitness zone criteria for PACER performance. The development of MC may both directly and indirectly provide a protective effect against unhealthy CRF levels across childhood and adolescence.Evidence supporting a proficiency barrier with MSF as measured by grip strength was not as strong; however, all individuals with high levels of MC demonstrated at least moderate grip strength. Thus, the development of MC may be a protective factor to mitigate low levels of MSF via enhanced neuromuscular function.Promoting the development of MC in a variety of developmentally appropriate activities and settings (e.g. MC skills practice, structured and unstructured play, and performance contexts) is important to promote positive trajectories of CRF and MSF across childhood and adolescence.
Collapse
Affiliation(s)
- T. Cade Abrams
- Human Performance and Development Lab, Department of Physical Education, University of South Carolina, Columbia, South Carolina, USA
| | - Bryan M. Terlizzi
- Human Performance and Development Lab, Department of Physical Education, University of South Carolina, Columbia, South Carolina, USA
| | - An De Meester
- Human Performance and Development Lab, Department of Physical Education, University of South Carolina, Columbia, South Carolina, USA
| | - Ryan S. Sacko
- Department of Health and Human Performance, The Citadel, South Carolina, USA
| | - J. Megan Irwin
- Department of Health and Human Performance, The College of Charleston, South Carolina, USA
| | - Carlos Luz
- Escola Superior de Educação de Lisboa, Instituto Politécnico de Lisboa, 1549-003 Lisboa, Portugal
| | - Luís Paulo Rodrigues
- Escola Superior de Desporto e Lazer de Melgaço, Instituto Politécnico de Viana do Castelo, 4900-347, Viana do Castelo, Portugal
- Research Center in Sports Sciences Health Sciences and Human Development, (CIDESD), Portugal
| | - Rita Cordovil
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Cruz Quebrada – Dafundo, Portugal
| | - Vítor P. Lopes
- Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-223 Bragança, Portugal
- Research Center in Sports Sciences Health Sciences and Human Development, (CIDESD), Portugal
| | - Kirsten Schneider
- Human Performance and Development Lab, Department of Physical Education, University of South Carolina, Columbia, South Carolina, USA
| | - David F. Stodden
- Human Performance and Development Lab, Department of Physical Education, University of South Carolina, Columbia, South Carolina, USA
| |
Collapse
|
8
|
Ferná Ortega JA, Mendoza Romero D, Sarmento H, Prieto Mondragón L, Rodríguez Buitrago JA. Relationship between Dynamic and Isometric Strength, Power, Speed, and Average Propulsive Speed of Recreational Athletes. J Funct Morphol Kinesiol 2022; 7:jfmk7040079. [PMID: 36278740 PMCID: PMC9589991 DOI: 10.3390/jfmk7040079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 11/07/2022] Open
Abstract
The purpose of this study was to examine the type of relationship between measures of maximal force (dynamic and isometric), maximal power, and mean propulsive velocity. In total, 355 recreational athletes, 96 women (age 20.5 ± 2.5 years; height 158.2 ± 17.3 cm; weight 61.8 ± 48.4 kg) and 259 men (age 21.0 ± 2.6 years; height 170.5 ± 12.6 cm; weight 65.9 ± 9.2 kg) were evaluated in three sessions separated by 72 h each in isometric midthigh pull exercise (ISOS) (kg), bench press maximum strength (1RM MSBP) (kg), jump height (CMJ) (m), and maximum pedaling power (WT) the maximum squat strength (1RM MSS) (kg), the mean propulsive velocity in the bench press (MPVBP) (m·s-1), and the peak power (PPBP) (w), mean propulsive squat velocity (MPVS) (m·s-1), peak power (PP) (w), maximum handgrip force (ISOHG) (kg), and 30 m movement speed (V30) (s). Significant correlations (p ≤ 0.01) were identified between 95% of the various manifestations of force, and only 5% presented a significance of p ≤ 0.05; however, when the magnitude of these correlations is observed, there is great heterogeneity. In this sense, the dynamic strength tests present the best correlations with the other strength and power tests used in the present study, followed by PPBP and PP. The results of this study complement what is reported in the literature regarding the correlation between different types of force manifestations being heterogeneous and contradictory.
Collapse
Affiliation(s)
- Jairo Alejandro Ferná Ortega
- Facultad de Ciencias de la Salud, Universidad de Ciencias Aplicadas y Ambientales, Street 222 #55-17, Bogotá 668470, Colombia
- Laboratorio de Fisiología del Ejercicio, Facultad de Educación Física, Universidad Pedagógica Nacional, Street 72 #11-86, Bogotá 110321, Colombia
- Correspondence: or ; Tel.: +571-300-207-9453
| | - Dario Mendoza Romero
- Facultad de Ciencias de la Salud y del Deporte, Fundación Universitaria del Área Andina, Street 69 #15-40, Bogotá 110211, Colombia
| | - Hugo Sarmento
- Research Unit for Sport and Physical Activity (CIDAF), Faculty of Sport Sciences and Physical Education, University of Coimbra, 3000-456 Coimbra, Portugal
| | - Laura Prieto Mondragón
- Facultad de Ciencias de la Salud, Universidad de Ciencias Aplicadas y Ambientales, Street 222 #55-17, Bogotá 668470, Colombia
| | | |
Collapse
|
9
|
Bulten R, Bedard C, Graham JD, Cairney J. Effect of cognitively engaging physical activity on executive functions in children. Front Psychol 2022; 13:841192. [PMID: 36059731 PMCID: PMC9428577 DOI: 10.3389/fpsyg.2022.841192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 07/06/2022] [Indexed: 11/29/2022] Open
Abstract
Purpose Physical activity (PA) has been shown to enhance executive functions (EFs) in children, and PA involving a cognitive component may confer additional benefit. The purpose of this study was to investigate whether cognitively engaging PA impacts EF, and whether affect and fitness act as either mediators or moderators of this relationship. Methods A randomized controlled trial was utilized to assess changes in EFs between a 20-min Dual Task (intervention condition), a PA Task (control condition), and a Cognitive Task (control condition). Children were scheduled for two visits in the INfant and Child Health (INCH) Lab at the University of Toronto. Physical fitness was assessed using the 20 m shuttle run, standing long jump, and grip strength tests. EFs were assessed using the Stroop Task, Trail Making Task (TMT), and Forward Working Memory Task (FWMT). Results 38 children (Mage = 11.95 years, SD = 0.49, 61% female) participated. Repeated measures ANOVA showed main interactions between time on inhibition scores (p < 0.05, ηp2 = 0.489), and positive affect scores (p < 0.01, ηp2 = 0.284). Interaction effects between condition and time were not significant (p = 0.787, ηp2 = 0.014, p = .333, ηp2 = 0.061, p = 0.799, ηp2 = 0.013 for inhibition, switching, and passive working memory, respectively). Results showed no significant mediation effect of affect (95% CI = –0.5915, 2.147), or moderating effect between fitness and EF changes. Conclusion Possible explanations for these findings include inadequate cognitive engagement, lack of EF transfer, and statistical power. Results suggest any of these interventions may be beneficial for improving inhibition and positive affect in children.
Collapse
Affiliation(s)
- Rheanna Bulten
- Michael G. DeGroote Centre for Learning and Discovery, McMaster University, Hamilton, ON, Canada
| | - Chloe Bedard
- School of Public Health and Health Systems, University of Waterloo, Waterloo, ON, Canada
| | - Jeffrey D. Graham
- Faculty of Health Sciences, Ontario Tech University, Oshawa, ON, Canada
| | - John Cairney
- School of Human Movement and Nutritional Sciences, The University of Queensland, Brisbane, QLD, Australia
- *Correspondence: John Cairney,
| |
Collapse
|
10
|
Sánchez-López M, García-Hermoso A, Ortega FB, Moliner-Urdiales D, Labayen I, Castro-Piñero J, Benito PJ, Vicente-Rodríguez G, Sanchis-Moysi J, Cantallop J, Artero EG, Martínez-Vizcaíno V. Validity and Reliability of the International FItness Scale (IFIS) in preschool children. Eur J Sport Sci 2022; 23:818-828. [PMID: 35249452 DOI: 10.1080/17461391.2022.2049884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECTIVES Examine the validity and reliability of parent-reported International FItness Scale (IFIS) in preschool-age children. METHOD A cross-sectional study of 3051 Spanish preschoolers (3-5 years). Fitness was measured by PREFIT fitness test battery and reported by parents using an adapted version of the IFIS. Waist circumference was evaluated, and the waist-to-height ratio (WHtR) was calculated. Seventy-six parents of randomly selected schoolchildren completed the IFIS twice (two weeks apart) for a reliability assessment. RESULTS ANCOVA, adjusted for sex, age and WHtR, showed that preschoolers who were scored by their parents as having average-to-very good fitness had better levels of measured physical fitness than those preschoolers who were classified as having "very poor/poor" fitness levels (18.1laps to 22.1laps vs 15.6laps for cardiorespiratory fitness; 6.6 kg to 7.5 kg vs 5.3 kg for muscular fitness-handgrip-; 71.7 cm to 76.4 cm vs 62.0 cm for muscular fitness-standing long jump-; 17.2s to 16.2s vs 18.2s for speed/agility; and 11.2s to 15.6s vs 8.7s for balance; p < 0.001). The weighted kappa for concordance between parent-reported fitness levels and objective assessment was poor (κ ≤0.18 for all fitness measures). Overall, the mean values of the abdominal adiposity indicators were significantly lower in high-level fitness categories reported by parents than in low-level fitness categories (p < 0.05). The test-retest reliability of IFIS items ranged from 0.46 to 0.62. CONCLUSIONS The reliability of the parent-reported IFIS are acceptable, but the concordance between parents reported and objectively measures fitness levels is poor, suggesting that parents' responses may not be able to correctly classify preschoolers according to their fitness level.
Collapse
Affiliation(s)
- Mairena Sánchez-López
- Universidad de Castilla-La Mancha, School of Education, Ciudad Real, Spain.,Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain
| | - Antonio García-Hermoso
- Navarrabiomed, IdiSNa, Pamplona, Navarra, Spain.,Laboratorio de Ciencias de la Actividad Física, el Deporte y la Salud, Facultad de Ciencias Médicas, Universidad de Santiago de Chile, USACH, Santiago, Chile
| | - Francisco B Ortega
- The PROFITH Research Group, Department of Physical Education and Sports, Faculty of Sports Sciences, University of Granada, Granada, Spain.,Department of Biosciences and Nutrition, Karolinska Institute, Huddinge, Sweden
| | | | - Idoia Labayen
- IS (IS-FOOD), Navarra's Health Research Institute (IdiSNA), Department of Health Sciences, Public University of Navarra, 31006 Pamplona, Navarra, Spain
| | - Jose Castro-Piñero
- GALENO research group, Department of Physical Education, School of Education, University of Cádiz, Puerto Real, Spain.,Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Cádiz, Spain
| | - Pedro J Benito
- LFE Research Group, Department of Health and Human Performance. Faculty of Physical Activity and Sport Science-INEF. Universidad Politécnica de Madrid
| | - Germán Vicente-Rodríguez
- GENUD (Growth, Exercise, NUtrition and Development) research group, Instituto Agroalimentario de Aragón -IA2-, Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Faculty of Health and Sport Science (FCSD), Department of Physiatry and Nursing, University of Zaragoza, Spain
| | - Joaquin Sanchis-Moysi
- Department of Physical Education and Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Canary Island, Spain
| | - Jaume Cantallop
- Grupo de Investigación en Ciencias de la Actividad Física y el Deporte (GICAFD). Departamento de Pedagogía y Didácticas Específicas (PDE). Facultad de Educación. Universitat de les Illes Balears (UIB)
| | - Enrique G Artero
- Department of Education, Faculty of Education Sciences, University of Almería, Almería, Spain.,SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, Almería, Spain
| | - Vicente Martínez-Vizcaíno
- Universidad de Castilla-La Mancha, Health and Social Research Center, Cuenca, Spain.,Universidad Autónoma de Chile, Faculty of Medicine, Talca, Chile
| |
Collapse
|
11
|
Langer RD, Guimarães RF, Guerra-Júnior G, Gonçalves EM. Can Phase Angle Be Associated With Muscle Strength in Healthy Male Army Cadets? Mil Med 2022; 188:usac007. [PMID: 35078246 DOI: 10.1093/milmed/usac007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 01/06/2022] [Accepted: 01/10/2022] [Indexed: 11/12/2022] Open
Abstract
INTRODUCTION Phase angle (PhA) determined by bioelectrical impedance (BIA) is related to body fluid balance and cell membrane integrity. Handgrip strength (HGS) is used to assess muscle strength and as an indicator of health. We aimed to determine the relationship between PhA and HGS in healthy young males and to verify whether this relationship is dependent on body components. MATERIALS AND METHODS Hundred and sixty-three healthy male army cadets (18.8 ± 0.6 years old) participated in the study. PhA was determined by BIA, HGS was assessed by a hydraulic dynamometer, and dual-energy X-ray absorptiometry determined: fat mass (FM), bone mineral content (BMC), and lean soft tissue (LST). Participants were divided according to the PhA tertile (first tertile: PhA < 7.14°, second tertile: 7.14° ≤ PhA < 7.83°, and third tertile: PhA ≥ 7.83°). RESULTS Youth from the first tertile of PhA had lower BMC (2.8 kg vs. 3.0 kg and vs. 3.1 kg) and LST (51.7 vs. 53.8 kg and vs. 57.6 kg) compared to youth from the second and third tertile of PhA (P < .001), respectively. Additionally, lower HGS (83.0 kg vs. 93.1 kg) was found in the first tertile compared to the third tertile of PhA (P < .001). PhA explained 3% of the HGS variation (R2 = 0.029), while LST and BMC explained 39% (R2 = 0.385) and 22% (R2 = 0.221), respectively. Furthermore, the correlation between PhA and HGS was dependent on LST (P = .567) and BMC (P = .182). CONCLUSION In this sample, PhA showed a small relationship with HGS, remaining dependent on BMC and LST values. These results reinforce the importance of maintaining a physically active lifestyle with great lean mass and muscle strength values.
Collapse
|
12
|
Pfeifer CE, Sacko RS, Ortaglia A, Monsma EV, Beattie PF, Goins J, Stodden DF. Fit to Play? Health-Related Fitness Levels of Youth Athletes: A Pilot Study. J Strength Cond Res 2022; 36:245-251. [PMID: 31809462 DOI: 10.1519/jsc.0000000000003430] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
ABSTRACT Pfeifer, CE, Sacko, RS, Ortaglia, A, Monsma, EV, Beattie, PF, Goins, J, and Stodden, DF. Fit to play? Health-related fitness levels of youth athletes: A pilot study. J Strength Cond Res 36(1): 245-251, 2022-A recent National Strength and Conditioning Association position statement suggests that many youth are not prepared for the physical demands of sport. The purpose of this study was to compare health-related fitness (HRF) of youth athletes with normative findings from the general population. We recruited 136 athletes (63 male and 73 female athletes) aged 11-19 (16.01 ± 1.35) years and collected HRF (body composition, cardiorespiratory endurance, musculoskeletal strength and endurance). Results were categorized based on FITNESSGRAM® standards and compared with Canadian youth general population normative data. Most male athletes were classified as "needs improvement" for cardiorespiratory and muscular endurance, and body mass index (BMI). Conversely, most female athletes were at or above the "healthy fitness zone" for all measures. Male athletes at both age groups (11-14, 15-19; p < 0.001) and female athletes aged 11-14 (p < 0.05) demonstrated lower cardiorespiratory endurance compared with Canadian general population. Female athletes (both age groups) demonstrated greater muscular strength, and male athletes (age, 15-19 years) demonstrated lower BMI than the Canadian general population. The results are concerning as male athletes demonstrated poorer HRF compared with the general population. Although most female athletes were within healthy ranges, a portion of them were still at risk. Considering the demands sport places on the body, evaluating HRF is paramount for performance and injury prevention but more importantly for overall health. Youth sport and strength coaches should evaluate and aim to enhance HRF, as participation in sport does not guarantee adequate HRF. Promoting long-term athletic development and life-long health should be a priority in youth.
Collapse
Affiliation(s)
- Craig E Pfeifer
- Applied Sport and Exercise Sciences, University of Gloucestershire, Gloucester, United Kingdom
| | - Ryan S Sacko
- Department of Health and Human Performance, The Citadel, Charleston, South Carolina
| | | | - Eva V Monsma
- Department of Physical Education, University of South Carolina, Columbia, South Carolina
| | | | | | - David F Stodden
- Department of Physical Education, University of South Carolina, Columbia, South Carolina
| |
Collapse
|
13
|
The relationship between powerlifting performance and hand grip strength among female athletes. TURKISH JOURNAL OF KINESIOLOGY 2021. [DOI: 10.31459/turkjkin.1027695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
|
14
|
Marchese V, Rock K, Harpold A, Salazar A, Williams M, Shipper AG. Physical Impairment and Function in Children and Adolescents With Sickle Cell Disease: A Systematic Review. Arch Phys Med Rehabil 2021; 103:1144-1167.e2. [PMID: 34592159 DOI: 10.1016/j.apmr.2021.08.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/17/2021] [Accepted: 08/30/2021] [Indexed: 11/02/2022]
Abstract
OBJECTIVE To examine physical impairments and physical function in children and adolescents with sickle cell disease (SCD). DATA SOURCES PubMed, Embase (embase.com), Cumulative Index to Nursing and Allied Health (EBSCO), Cochrane Central Register of Controlled Trials (Wiley), and Dissertations and Theses (ProQuest) were searched from January 1, 1990, to September 25, 2020. References retrieved were required to include a term for SCD and a term for physical impairments or physical function. Results were limited to articles with children and adolescents and in the English language. STUDY SELECTION A total of 3054 nonduplicate articles were independently screened by 2 reviewers, resulting in 240 articles for full-text review. The full-text review, performed by 2 independent reviewers, resulted in 67 articles. DATA EXTRACTION Data were extracted from each full text to a custom Excel document by a single reviewer and were verified by a secondary reviewer. DATA SYNTHESIS The studies identified in this systematic review offer evidence that children and adolescents with SCD demonstrate physical impairments and physical function limitations compared with control participants as noted by varying percentages in deficits up to 19%-58% in muscle and bone composition and/or symptoms, muscle strength, cardiopulmonary function, motor performance, physical activity, and physical function domains of quality of life questionnaires. CONCLUSIONS Children and adolescents with SCD present with physical impairments and physical function limitations. Scientists and clinicians should consider developing collaborative standards to define and objectively measure physical impairment and function in this population to comprehensively examine the underlying factors that contribute to physical impairments and function.
Collapse
Affiliation(s)
- Victoria Marchese
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD.
| | - Kelly Rock
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD
| | - Andria Harpold
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD
| | - Abigail Salazar
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD
| | - Mary Williams
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD
| | - Andrea G Shipper
- Health Sciences and Human Services Library, University of Maryland, Baltimore, Baltimore, MD
| |
Collapse
|
15
|
Acute effect of a static- and dynamic-based stretching warm-up on standing long jump performance in primary schoolchildren. Biol Sport 2021; 38:333-339. [PMID: 34475616 PMCID: PMC8329965 DOI: 10.5114/biolsport.2021.99703] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 09/05/2020] [Accepted: 09/18/2020] [Indexed: 11/29/2022] Open
Abstract
The aim of the present study was to compare the acute effect of a static- vs dynamic-based stretching warm-up on standing long jump (SLJ) performance in primary schoolchildren. The sample was composed of 76 schoolchildren, 43 girls and 33 boys, aged 9–10 years old from three fourth-grade classes of Primary Education. The three groups were cluster-randomly assigned to the control (CG), static (SG) or dynamic (DG) groups. All the schoolchildren performed a standardized warm-up consisting of mobility exercises (five minutes), jogging (five minutes) and the SLJ test. Afterwards the CG schoolchildren received jump theory (eight minutes), the SG performed static stretching (eight minutes) and the DG performed dynamic-bounces stretching (eight minutes). Afterwards, all of them performed the SLJ test again. The results of the one-way ANOVA (F2,73 = 34.184; p < 0.001; η2p = 0.484), followed by the pairwise comparisons with the Bonferroni adjustment, showed that the DG students (MΔ = 11.07, SE = 1.42) made a significant statistical improvement in their SJL levels compared with the CG (MΔ = -3.00, SE = 1.89; p < 0.001, d = 1.51) and SG students (MΔ = -1.85, SE = 0.67; p < 0.001, d = 1.38). However, statistically significant differences between the CG and SG students were not found (p > 0.05, d = 0.12). The dynamic-bouncing stretch as a final part of a warm-up improves explosive strength performance in primary schoolchildren, and seems to be a good option before carrying out explosive strength activities of the lower body.
Collapse
|
16
|
Temporal Trends in the Standing Broad Jump Performance of 10,940,801 Children and Adolescents Between 1960 and 2017. Sports Med 2021; 51:531-548. [PMID: 33368030 DOI: 10.1007/s40279-020-01394-6] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
BACKGROUND The standing broad jump (SBJ) is an excellent functional measure of explosive lower-body strength that is significantly related to health among children and adolescents. OBJECTIVES The aim of this study was to estimate national (country-level) and international (pooled global data) temporal trends in SBJ performance for children and adolescents, and to examine the relationships between national trends in SBJ performance and national trends in health-related and socioeconomic/demographic indicators. METHODS Data were obtained from a systematic search of studies reporting temporal trends in SBJ performance for 9- to 17-year-olds, and by examining national fitness datasets. Sample-weighted regression models estimated trends at the study/dataset-country-sex-age level, with national and international trends estimated by a post-stratified population-weighting procedure. Pearson's correlations quantified relationships between national trends in SBJ performance and national trends in health-related and socioeconomic/demographic indicators. RESULTS Data from 34 studies/datasets were extracted to estimate trends for 10,940,801 children and adolescents from 24 high-, 4 upper-middle-, and 1 low-income countries between 1960 and 2017. Collectively, there was a negligible (per decade) improvement in SBJ performance of 1.73 cm (95% CI 1.71-1.75), 0.99% (95% CI 0.97-1.01) or a standardized effect size of 0.07 (0.07-0.07) over the entire period, with the rate of improvement steady from the 1960s to the 1980s, slowing in the 1990s, before declining. Sex- and age-related temporal differences were negligible. Trends differed between countries, with most countries experiencing declines. National trends in SBJ performance were not significantly related to national trends in health-related and socioeconomic/demographic indicators. CONCLUSIONS SBJ performance of children and adolescents has declined since 2000 (at least among most of the countries in this analysis) and is suggestive of a modern decline in functional explosive lower-body strength. Growing recognition of the importance of muscular fitness as a marker of population health highlights the need for continued tracking of temporal trends in SBJ, especially among low- and lower-middle-income countries for which temporal data are lacking. PROSPERO REGISTRATION NUMBER CRD42013003657.
Collapse
|
17
|
Abstract
Flexibility refers to the intrinsic properties of body tissues that determine maximal joint range of motion without causing injury. For many years, flexibility has been classified by the American College of Sports Medicine as a major component of physical fitness. The notion flexibility is important for fitness has also led to the idea static stretching should be prescribed to improve flexibility. The current paper proposes flexibility be retired as a major component of physical fitness, and consequently, stretching be de-emphasized as a standard component of exercise prescriptions for most populations. First, I show flexibility has little predictive or concurrent validity with health and performance outcomes (e.g., mortality, falls, occupational performance) in apparently healthy individuals, particularly when viewed in light of the other major components of fitness (i.e., body composition, cardiovascular endurance, muscle endurance, muscle strength). Second, I explain that if flexibility requires improvement, this does not necessitate a prescription of stretching in most populations. Flexibility can be maintained or improved by exercise modalities that cause more robust health benefits than stretching (e.g., resistance training). Retirement of flexibility as a major component of physical fitness will simplify fitness batteries; save time and resources dedicated to flexibility instruction, measurement, and evaluation; and prevent erroneous conclusions about fitness status when interpreting flexibility scores. De-emphasis of stretching in exercise prescriptions will ensure stretching does not negatively impact other exercise and does not take away from time that could be allocated to training activities that have more robust health and performance benefits.
Collapse
Affiliation(s)
- James L Nuzzo
- Neuroscience Research Australia, Barker Street, Randwick, NSW, Australia, 2031.
- School of Medical Sciences, University of New South Wales, Sydney, NSW, Australia.
| |
Collapse
|
18
|
Dooley FL, Kaster T, Fitzgerald JS, Walch TJ, Annandale M, Ferrar K, Lang JJ, Smith JJ, Tomkinson GR. A Systematic Analysis of Temporal Trends in the Handgrip Strength of 2,216,320 Children and Adolescents Between 1967 and 2017. Sports Med 2021; 50:1129-1144. [PMID: 32026238 DOI: 10.1007/s40279-020-01265-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
OBJECTIVE To estimate national and international temporal trends in handgrip strength for children and adolescents, and to examine relationships between trends in handgrip strength and trends in health-related and sociodemographic indicators. METHODS Data were obtained through a systematic search of studies reporting temporal trends in the handgrip strength for apparently healthy 9-17-year-olds, and by examining large national fitness datasets. Temporal trends at the country-sex-age level were estimated by sample-weighted regression models relating the year of testing to mean handgrip strength. International and national trends were estimated by a post-stratified population-weighting procedure. Pearson's correlations quantified relationships between national trends in handgrip strength and national trends in health-related/sociodemographic indicators. RESULTS 2,216,320 children and adolescents from 13 high-, 5 upper-middle-, and 1 low-income countries/special administrative regions between 1967 and 2017 collectively showed a moderate improvement of 19.4% (95% CI 18.4-20.4) or 3.8% per decade (95% CI 3.6-4.0). The international rate of improvement progressively increased over time, with more recent values (post-2000) close to two times larger than those from the 1960s/1970s. Improvements were larger for children (9-12 years) compared to adolescents (13-17 years), and similar for boys and girls. Trends differed between countries, with relationships between national trends in handgrip strength and national trends in health-related/sociodemographic indicators negligible-to-weak and not statistically significant. CONCLUSIONS There has been a substantial improvement in absolute handgrip strength for children and adolescents since 1967. There is a need for improved international surveillance of handgrip strength, especially in low- and middle-income countries, to more confidently determine true international trends. PROSPERO REGISTRATION NUMBER CRD42013003657.
Collapse
Affiliation(s)
- Faith L Dooley
- Department of Education, Health and Behavior Studies, University of North Dakota, 2751 2nd Avenue North, Stop 8235, Grand Forks, ND, 58202, USA
| | - Tori Kaster
- Department of Education, Health and Behavior Studies, University of North Dakota, 2751 2nd Avenue North, Stop 8235, Grand Forks, ND, 58202, USA
| | - John S Fitzgerald
- Department of Education, Health and Behavior Studies, University of North Dakota, 2751 2nd Avenue North, Stop 8235, Grand Forks, ND, 58202, USA
| | - Tanis J Walch
- Department of Education, Health and Behavior Studies, University of North Dakota, 2751 2nd Avenue North, Stop 8235, Grand Forks, ND, 58202, USA
| | - Madison Annandale
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences, University of South Australia, Adelaide, SA, Australia
| | - Katia Ferrar
- Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences, University of South Australia, Adelaide, SA, Australia
| | - Justin J Lang
- Centre for Surveillance and Applied Research, Public Health Agency of Canada, Ottawa, ON, Canada.,Healthy Active Living and Obesity Research Group, Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, Canada
| | - Jordan J Smith
- Priority Research Centre for Physical Activity and Nutrition, School of Education, University of Newcastle, Callaghan, NSW, Australia
| | - Grant R Tomkinson
- Department of Education, Health and Behavior Studies, University of North Dakota, 2751 2nd Avenue North, Stop 8235, Grand Forks, ND, 58202, USA. .,Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences, University of South Australia, Adelaide, SA, Australia.
| |
Collapse
|
19
|
Pinoniemi BK, Tomkinson GR, Walch TJ, Roemmich JN, Fitzgerald JS. Temporal Trends in the Standing Broad Jump Performance of United States Children and Adolescents. RESEARCH QUARTERLY FOR EXERCISE AND SPORT 2021; 92:71-81. [PMID: 32053474 DOI: 10.1080/02701367.2019.1710446] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Accepted: 12/21/2019] [Indexed: 06/10/2023]
Abstract
Purpose: To estimate temporal trends in broad jump performance for United States youth, a marker of muscular fitness and health. Method: Electronic databases, topical systematic reviews, and personal libraries were systematically searched for studies reporting descriptive standing broad jump data for apparently healthy United States youth (age 10-17 years). Temporal trends at the sex-age level were estimated using sample-weighted regression models associating the year of testing to mean jump performance, with national trends standardized to the year 1985 using a post-stratified population-weighting procedure. Results: Collectively, there was a small increase of 12.6 cm (95%CI: 12.5 to 12.7) or 7.9% (95%CI: 7.1 to 8.6) in 65,527 United States youth between 1911 and 1990. Increases were greater for girls (change in means [95% CI]: 17.1 cm [16.9 to 17.3]; 11.4% [10.7 to 12.2]) compared to boys (change in means [95% CI]: 8.5 cm [8.3 to 8.7]; 4.6% [3.8 to 5.4]), but did not differ between children (10-12 years) and adolescents (13-17 years). Increases in broad jump performance were not always uniform across time, with steady and progressive increases observed for boys and children, respectively, and a diminishing rate of increase observed for girls and adolescents. Conclusions: Muscular fitness is a good marker of health, so greater broad jump performance from 1911 to 1990 may reflect corresponding changes in health. Routine assessment of broad jump performance may be useful to monitor trends in health and muscular fitness of United States youth due to its practicality, scalability, and predictive utility.
Collapse
|
20
|
Fraser BJ, Blizzard L, Buscot MJ, Schmidt MD, Dwyer T, Venn AJ, Magnussen CG. Muscular strength across the life course: The tracking and trajectory patterns of muscular strength between childhood and mid-adulthood in an Australian cohort. J Sci Med Sport 2021; 24:696-701. [PMID: 33640263 DOI: 10.1016/j.jsams.2021.01.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 01/19/2021] [Accepted: 01/31/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVES Low muscular strength is a risk factor for current and future adverse health outcomes. However, whether levels of muscular strength persist, or track, and if there are distinct muscular strength trajectories across the life course is unclear. This study aimed to explore muscular strength trajectories between childhood and mid-adulthood. DESIGN Prospective longitudinal study. METHODS Childhood Determinants of Adult Health Study participants had their muscular strength (right and left handgrip, shoulder extension and flexion, and leg strength measured by hand-held, shoulder and leg-back dynamometers, and a combined strength score) assessed in childhood, young adulthood and mid-adulthood. The tracking of muscular strength was quantified between childhood and mid-adulthood (n=385) and young- and mid-adulthood (n=822). Muscular strength trajectory patterns were identified for participants who had their muscular strength assessed at least twice across the life course (n=1280). RESULTS Levels of muscular strength were persistent between childhood and mid-adulthood and between young- and mid-adulthood, with the highest tracking correlations observed for the combined strength score (childhood to mid-adulthood: r=0.47, p<0.001; young- to mid-adulthood: r=0.72, p<0.001). Three trajectories of combined muscular strength were identified across the life course; participants maintained average, above average, or below average levels of combined muscular strength. CONCLUSIONS Weak children are likely to become weak adults in midlife unless strategies aimed at increasing muscular strength levels are introduced. Whether interventions aimed at increasing muscular strength could be implemented in childhood to help establish favourable muscular strength trajectories across the life course and in turn, better future health, warrant further attention.
Collapse
Affiliation(s)
- Brooklyn J Fraser
- Menzies Institute for Medical Research, University of Tasmania, Australia
| | - Leigh Blizzard
- Menzies Institute for Medical Research, University of Tasmania, Australia
| | | | | | - Terence Dwyer
- Menzies Institute for Medical Research, University of Tasmania, Australia; George Institute for Global Health, Oxford Martin School and Nuffield Department of Obstetrics & Gynaecology, Oxford University, UK; Murdoch Children's Research Institute, Australia; Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Australia
| | - Alison J Venn
- Menzies Institute for Medical Research, University of Tasmania, Australia
| | - Costan G Magnussen
- Menzies Institute for Medical Research, University of Tasmania, Australia; Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital, Finland.
| |
Collapse
|
21
|
Wilczyński B, Hinca J, Ślęzak D, Zorena K. The Relationship between Dynamic Balance and Jumping Tests among Adolescent Amateur Rugby Players. A Preliminary Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18010312. [PMID: 33406658 PMCID: PMC7795102 DOI: 10.3390/ijerph18010312] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 12/19/2020] [Accepted: 12/29/2020] [Indexed: 01/15/2023]
Abstract
Rugby is a demanding contact sport. In light of research, poor balance, reduced jumping ability, muscle strength, and incorrect landing patterns might contribute to the increased risk of injury in athletes. Investigating the relationship between tests assessing these abilities might not only allow for the skillful programming of preventive training but also helps in assessing the risk of injury to athletes. Thus, the main purpose of this study was to investigate the relationship between dynamic balance, vertical and horizontal jumps, and jump-landings movement patterns. Thirty-one healthy amateur adolescent rugby players (age: 14.3 ± 1.6 years, height 171.4 ± 9.7 cm, body mass 80 ± 26 kg) participated in the study. Data were collected by the Y-balance Test (YBT), Counter Movement Jump (CMJ), Single Leg Hop for Distance (SLHD), and Landing Error Score System (LESS). Significant positive correlations were found between SLHD both legs (SLHDb) and YBT Composite both legs (COMb) (r = 0.51, p = 0.0037) and between SLHDb and CMJ (r = 0.72, p < 0.0001). A relationship was also observed between the CMJ and YBT COMb test (r = 0.51, p = 0.006). Moderate positive correlations were found between the dominant legs in SLHD and the posterolateral (r = 0.40, p = 0.027), posteromedial (r = 0.43, p = 0.014), and composite (r = 0.48, p = 0.006) directions of the YBT. These results indicate that variables that are dependent on each other can support in the assessment of injury-risk and in enhancing sports performance of young athletes.
Collapse
Affiliation(s)
- Bartosz Wilczyński
- Department of Immunobiology and Environment Microbiology, Medical University of Gdańsk, Dębinki 7, 80-211 Gdańsk, Poland;
- Correspondence: ; Tel.: +48-732-414-195
| | - Jakub Hinca
- Department of Physical Culture, Physiotherapy, Gdansk University of Physical Education and Sport, 80-336 Gdańsk, Poland;
| | - Daniel Ślęzak
- Departament of Medical Rescue, Medical University of Gdańsk, Dębinki 7, 80-211 Gdańsk, Poland;
| | - Katarzyna Zorena
- Department of Immunobiology and Environment Microbiology, Medical University of Gdańsk, Dębinki 7, 80-211 Gdańsk, Poland;
| |
Collapse
|
22
|
Fraser BJ, Blizzard L, Buscot MJ, Schmidt MD, Dwyer T, Venn AJ, Magnussen CG. The Association Between Grip Strength Measured in Childhood, Young- and Mid-adulthood and Prediabetes or Type 2 Diabetes in Mid-adulthood. Sports Med 2021; 51:175-183. [PMID: 32813182 PMCID: PMC7806554 DOI: 10.1007/s40279-020-01328-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Although low child and adult grip strength is associated with adverse cardiometabolic health, how grip strength across the life course associates with type 2 diabetes is unknown. This study identified the relative contribution of grip strength measured at specific life stages (childhood, young adulthood, mid-adulthood) with prediabetes or type 2 diabetes in mid-adulthood. METHODS Between 1985 and 2019, 263 participants had their grip strength measured using an isometric dynamometer in childhood (9-15 years), young adulthood (28-36 years) and mid-adulthood (38-49 years). In mid-adulthood, a fasting blood sample was collected and tested for glucose and glycated haemoglobin (HbA1c). Participants were categorized as having prediabetes or type 2 diabetes if fasting glucose levels were ≥ 5.6 mmol or if HbA1c levels were ≥ 5.7% (≥ 39 mmol/mol). A Bayesian relevant life course exposure model examined the association between lifelong grip strength and prediabetes or type 2 diabetes. RESULTS Grip strength at each time point was equally associated with prediabetes or type 2 diabetes in mid-adulthood (childhood: 37%, young adulthood: 36%, mid-adulthood: 28%). A one standard deviation increase in cumulative grip strength was associated with 34% reduced odds of prediabetes or type 2 diabetes in mid-adulthood (OR 0.66, 95% credible interval 0.40, 0.98). CONCLUSIONS Greater grip strength across the life course could protect against the development of prediabetes and type 2 diabetes. Strategies aimed at increasing muscular strength in childhood and maintaining behaviours to improve strength into adulthood could improve future cardiometabolic health. The Association Between Grip Strength Measured in Childhood, Young- and Mid-adulthood and Prediabetes or Type 2 Diabetes in Mid-adulthood.
Collapse
Affiliation(s)
- Brooklyn J Fraser
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia
| | - Leigh Blizzard
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia
| | - Marie-Jeanne Buscot
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia
| | | | - Terence Dwyer
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia
- George Institute for Global Health, Oxford Martin School and Nuffield Department of Obstetrics and Gynaecology, Oxford University, Oxford, UK
- Murdoch Children's Research Institute, Melbourne, Australia
- Faculty of Medicine, Dentistry and Health Sciences, University of Melbourne, Melbourne, Australia
| | - Alison J Venn
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia
| | - Costan G Magnussen
- Menzies Institute for Medical Research, University of Tasmania, Private Bag 23, Hobart, TAS, 7001, Australia.
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland.
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland.
| |
Collapse
|
23
|
Rock K, Nelson C, Addison O, Marchese V. Assessing the Reliability of Handheld Dynamometry and Ultrasonography to Measure Quadriceps Strength and Muscle Thickness in Children, Adolescents, and Young Adults. Phys Occup Ther Pediatr 2021; 41:540-554. [PMID: 33563044 PMCID: PMC9295900 DOI: 10.1080/01942638.2021.1881200] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Aims: Muscle strength testing is a core aspect in the pediatric physical and occupational therapy clinical examination and evaluation, and quadriceps muscle strength is associated with the ability to perform gross motor skills. The aim of this study was to assess the reliability of handheld dyamometry (HHD) and ultrasonography to measure quadriceps muscle strength and thickness in children, adolescents, and young adults. Methods: In 30 participants (6-26 years), without motor impairment, quadriceps strength was measured with HHD in seated and supine with the knee flexed to 90° and 35°. Rectus femoris (RF) and vastus lateralis (VL) muscle thickness was measured using ultrasonography. Typical error of measurement (TEM), coefficient of variation (CV%), and intra-class correlation coefficient (ICC) were used to assess the error and reliability of measures. Results: The average CV% among three trials of strength testing was 7.07%-9.94% and improved when using the top two trials (4.49%-5.61%). The average TEM was 2.21 Nm for strength and 0.03 cm for muscle thickness. Intra-rater and inter-rater reliability of muscle thickness was good to excellent (0.91-1.00).Conclusions: The results of this study suggest quadriceps muscle strength and thickness measurements using HHD and ultrasonography are reliable in children, adolescents, and young adults.
Collapse
Affiliation(s)
- Kelly Rock
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Christa Nelson
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, USA.,Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Odessa Addison
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, USA.,Geriatric Research Education and Clinical Center, Baltimore VA Medical Center, Baltimore, MD, USA
| | - Victoria Marchese
- Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, MD, USA
| |
Collapse
|
24
|
Activity-Inactivity Patterns, Screen Time, and Physical Activity: The Association with Overweight, Central Obesity and Muscle Strength in Polish Teenagers. Report from the ABC of Healthy Eating Study. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17217842. [PMID: 33114707 PMCID: PMC7662883 DOI: 10.3390/ijerph17217842] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 12/15/2022]
Abstract
Today, the time spent actively is increasingly being replaced by screen-based media, although in some teenagers, a high level of physical activity (PA) and longer time spent in front of a screen (screen time, ST) may coexist as a mixed behavioral pattern. This study aimed to examine the association of the pattern created as activity (low/high ST with high PA) and inactivity patterns (low/high ST with low PA) with overweight, central obesity, and muscle strength in Polish teenagers taking into consideration socioeconomic and demographic factors. Cross-sectional data were collected from elementary school children (n = 1567), aged 11–13 years. Height, weight, waist circumference, and handgrip strength were measured. Body mass index (BMI) was calculated as the overweight measure, and the waist-to-height ratio (WHtR) was calculated as the central obesity measure. Data on ST, PA, socioeconomic status, demographics, and nutrition knowledge were collected by a questionnaire. Activity–inactivity patterns were defined by an a priori approach. Multivariate logistic regression modelling was applied. The most active pattern (lowST-highPA) was found in 17% of the total sample. Teenagers with the most inactive pattern (highST-lowPA) had over four times higher chance of general overweight. No association between WHtR ≥0.5 and highST-highPA pattern was found. Higher muscle strength (>1 SD) was associated only with high physical activity. Urban residence or lower socioeconomic status increased adherence to the most inactive pattern. From a public health perspective, implementing interventions promoting active patterns in 11–13-year-old teenagers is important for obesity prevention and enhanced physical fitness, especially in girls, teenagers living in urban areas, and from families with lower socio-economic status.
Collapse
|
25
|
Normative Values for Muscular Fitness for Chinese Children and Adolescents Aged 7–18 Years. SUSTAINABILITY 2020. [DOI: 10.3390/su12156078] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The primary aim of this study was to establish sex and age-specific muscular fitness (MF) norms for Chinese children and adolescents aged 7–18 years old. The secondary aim was to compare their MF values with those of children and adolescents in other countries and regions. The MF of 93,755 participants from China was evaluated by handgrip strength (upper limbs strength), sit-ups (trunk strength) and a standing broad jump (lower limbs strength), with a total of 90,424, 90,281 and 90,663 data values, respectively. The Lambda-Mu-Sigma (LMS) method was used to calculate smooth curves and table data. The MF of Chinese boys was higher than that of girls in all age groups. After the age of 11, the growth rate of boys accelerated while that of girls slowed down. Age-related changes were larger for boys than for girls. In the international comparison, all the MF indicators of Chinese children and adolescents were lower than those of their Japanese peers but were higher than those of their European peers, with the exception of handgrip strength. The results of this study can be used to evaluate, monitor and apply interventions that improve MF. They can also be used to compare trends across countries and regions.
Collapse
|
26
|
Stricker PR, Faigenbaum AD, McCambridge TM. Resistance Training for Children and Adolescents. Pediatrics 2020; 145:peds.2020-1011. [PMID: 32457216 DOI: 10.1542/peds.2020-1011] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Resistance training is becoming more important as an integral part of comprehensive sport training regimens, school physical education classes, and after-school fitness programs. The increasing number of youth who are involved in sport activities, coupled with the health problems of inactivity and being overweight, have resulted in increased interest in resistance training. Secular declines in measures of muscular fitness in modern-day youth highlight the need for participation in youth resistance training for nonathletes as well as athletes. Parents often ask pediatricians to offer advice regarding the safety, benefits, and implementation of an effective resistance-training program. This report is a revision of the 2008 American Academy of Pediatrics policy statement and reviews current information and research on the benefits and risks of resistance training for children and adolescents.
Collapse
Affiliation(s)
- Paul R Stricker
- Department of Orthopedics, Pediatric & Adolescent Sports Medicine, Scripps Clinic, San Diego, California;
| | - Avery D Faigenbaum
- Department of Health and Exercise Science, The College of New Jersey, Ewing, New Jersey; and
| | - Teri M McCambridge
- Department of Orthopedics, University of Maryland, College Park, Maryland
| | | |
Collapse
|
27
|
Laitinen TT, Saner C, Nuotio J, Sabin MA, Fraser BJ, Harcourt B, Juonala M, Burgner DP, Magnussen CG. Lower grip strength in youth with obesity identifies those with increased cardiometabolic risk. Obes Res Clin Pract 2020; 14:286-289. [PMID: 32402765 DOI: 10.1016/j.orcp.2020.04.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/11/2020] [Accepted: 04/14/2020] [Indexed: 01/07/2023]
Abstract
BACKGROUND We examined whether grip strength differentiates youth with obesity with increased cardiometabolic risk. METHODS The sample comprised 43 youth with severe obesity (mean age 14.8, standard deviation 3.0 years) enrolled in the Childhood Overweight BioRepository of Australia. Grip strength was normalized to body mass and categorized as low and moderate/high. RESULTS Youth with low grip strength had higher systolic blood pressure (mean difference 13mmHg), low-density lipoprotein cholesterol (0.26mmol/l), continuous metabolic syndrome score (0.36), and carotid intima-media thickness (0.05mm) compared with those with moderate/high grip strength. CONCLUSIONS Low grip strength may differentiate youth with obesity with increased cardiometabolic risk.
Collapse
Affiliation(s)
- Tomi T Laitinen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital Turku, Finland; Paavo Nurmi Centre, Sports & Exercise Medicine Unit, Department of Physical Activity and Health, University of Turku, Turku, Finland; Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia
| | - Christoph Saner
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Endocrinology, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Medicine, University of Turku and Division of Medicine, Turku University Hospital, Turku, Finland
| | - Joel Nuotio
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital Turku, Finland; Paavo Nurmi Centre, Sports & Exercise Medicine Unit, Department of Physical Activity and Health, University of Turku, Turku, Finland; Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia
| | - Matthew A Sabin
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Endocrinology, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia
| | - Brooklyn J Fraser
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Brooke Harcourt
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia
| | - Markus Juonala
- Department of Medicine, University of Turku and Division of Medicine, Turku University Hospital, Turku, Finland
| | - David P Burgner
- Murdoch Children's Research Institute, The Royal Children's Hospital, Parkville, Victoria, Australia; Department of Paediatrics, The University of Melbourne, Parkville, Victoria, Australia; Department of Paediatrics, Monash University, Clayton, Victoria, Australia
| | - Costan G Magnussen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland; Centre for Population Health Research, University of Turku and Turku University Hospital Turku, Finland; Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.
| |
Collapse
|
28
|
Tyler R, Mackintosh KA, Spacey HL, Stratton G. A cross-sectional study on the deprivation and sex differences in health-related fitness measures in school children. J Sports Sci 2019; 38:70-78. [PMID: 31631780 DOI: 10.1080/02640414.2019.1681230] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
This study aimed to investigate deprivation and sex differences in selected health-relatedfitness measures in 9-12-year-old children. Data were captured on 3,407 children (49.3% boys; aged 10.5 ± 0.6 years). Cardiorespiratory fitness(20 m multistage shuttle run test; 20 m MSRT), muscular strength (handgrip strength) and body mass index (BMI) were measured. Welsh Index of Multiple Deprivation (WIMD) scores were used to make quintile groups. A two-way Analysis of Variance examined differences in BMI z-score by sex and WIMD quintiles. Two-wayAnalysis of Covariances investigated the effect of sex and WIMD quintiles on grip strength and shuttles achieved in 20 m MSRT, adjusting for BMI z-score and maturation, repectively. Independent of sex, children in the middle quintile had a significantly higher mean BMI z-score (p = 0.029) than their least deprived counterparts. There was a significant increase in grip strength (p = 0.005) and20 m MSRT (boys p < 0.001; girls p = 0.028) between most and least deprived quintiles. Significant differences in 20 m MSRT score were more apparent with decreases in deprivation in boys.Overall, inequalities exist in health-related fitness by sex and deprivation. These results can be used to inform focused services to improve current and future health.
Collapse
Affiliation(s)
- Richard Tyler
- Sport and Physical Activity Department, Edge Hill University, Ormskirk, UK
| | - Kelly A Mackintosh
- Applied Sports Technology Exercise and Medicine (A-STEM) Research Centre, College of Engineering, Swansea University, Swansea, UK
| | - Hannah L Spacey
- Applied Sports Technology Exercise and Medicine (A-STEM) Research Centre, College of Engineering, Swansea University, Swansea, UK
| | - Gareth Stratton
- Applied Sports Technology Exercise and Medicine (A-STEM) Research Centre, College of Engineering, Swansea University, Swansea, UK
| |
Collapse
|
29
|
Fraser BJ, Blizzard L, Cleland V, Schmidt MD, Smith KJ, Gall SL, Dwyer T, Venn AJ, Magnussen CG. Factors associated with muscular fitness phenotypes in Australian children: A cross-sectional study. J Sports Sci 2019; 38:38-45. [PMID: 31613185 DOI: 10.1080/02640414.2019.1679575] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
To help inform strategies aimed at increasing muscular fitness levels, we examined factors associated with childhood muscular fitness (strength and power) that preceded the recently observed secular decline. Data were available from a nationally representative sample of Australian children aged 7-15 years in 1985 (n = 8469). Muscular fitness measures included strength (right and left grip, shoulder extension and flexion, and leg strength) and power (standing long jump distance). Anthropometric (adiposity, fat-free mass), cardiorespiratory fitness (CRF), flexibility, speed capability, physical activity (individual and parental), dietary quality and intake (fruit, vegetable, protein) and sociodemographic (area-level socioeconomic status (SES), school type) data were available. Statistical analyses included sex-stratified linear regression. Of all examined factors, measures of adiposity, fat-free mass, CRF, flexibility and speed capability were associated with muscular fitness at levels that met Cohen's threshold for important effects (r-squared = 0.02 to 0.28). These findings highlight the multifactorial relationship between muscular fitness and its determinants. Collectively, these factors were powerful in explaining muscular strength (females: r-squared = 0.32; males: r-squared = 0.41) and muscular power (females: r-squared = 0.36; males: r-squared = 0.42). These findings highlight modifiable and environmental factors that could be targeted to increase childhood muscular fitness.
Collapse
Affiliation(s)
- Brooklyn J Fraser
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Leigh Blizzard
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Verity Cleland
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Michael D Schmidt
- Department of Kinesiology, University of Georgia, Athens, Georgia, USA
| | - Kylie J Smith
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Seana L Gall
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Terence Dwyer
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.,George Institute for Global Health, Oxford Martin School and Nuffield Department of Obstetrics & Gynaecology, Oxford University, Oxford, UK
| | - Alison J Venn
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia
| | - Costan G Magnussen
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, Australia.,Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland
| |
Collapse
|
30
|
Fraser BJ, Blizzard L, Schmidt MD, Dwyer T, Venn AJ, Magnussen CG. The association between muscular power from childhood to adulthood and adult measures of glucose homeostasis. Scand J Med Sci Sports 2019; 29:1909-1916. [DOI: 10.1111/sms.13529] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/23/2019] [Accepted: 07/26/2019] [Indexed: 01/23/2023]
Affiliation(s)
- Brooklyn J. Fraser
- Menzies Institute for Medical Research University of Tasmania Hobart TAS Australia
| | - Leigh Blizzard
- Menzies Institute for Medical Research University of Tasmania Hobart TAS Australia
| | | | - Terence Dwyer
- Menzies Institute for Medical Research University of Tasmania Hobart TAS Australia
- George Institute for Global Health, Oxford Martin School and Nuffield Department of Obstetrics & Gynaecology Oxford University Oxford UK
| | - Alison J. Venn
- Menzies Institute for Medical Research University of Tasmania Hobart TAS Australia
| | - Costan G. Magnussen
- Menzies Institute for Medical Research University of Tasmania Hobart TAS Australia
- Research Centre of Applied and Preventive Cardiovascular Medicine University of Turku Turku Finland
| |
Collapse
|
31
|
Fraser BJ, Blizzard L, Cleland V, Schmidt MD, Smith KJ, Gall SL, Dwyer T, Venn AJ, Magnussen CG. Factors Associated with Persistently High Muscular Power from Childhood to Adulthood. Med Sci Sports Exerc 2019; 52:49-55. [PMID: 31361713 DOI: 10.1249/mss.0000000000002108] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
PURPOSE Child and adult muscular power have been shown to associate with contemporary cardiometabolic health. Muscular power typically persists (tracks) between childhood and adulthood. Few studies span childhood to adulthood, so we aimed to identify modifiable and environmental factors associated with the persistence or change in muscular power across the life course. METHODS Prospective study examining 1938 participants who had their muscular power (standing long jump distance) measured in 1985 as children 7-15 yr old and again 20 yr later in adulthood (26-36 yr old). A selection of objectively measured anthropometric characteristics (adiposity and fat-free mass), cardiorespiratory fitness (CRF), self-reported physical activity, dietary (quality and fruit, vegetable, and protein intake), and sociodemographic data were available at both time points. Muscular power was separated into thirds, and participants were reported as having persistently low, decreasing, persistently moderate, increasing, or persistently high muscular power. RESULTS Higher adiposity, lower physical activity, diet quality and socioeconomic status (SES) across the life course, and lower adult CRF were associated with persistently low muscular power. Lower adult protein intake and an increase in adiposity over time were associated with decreasing muscular power. An increase in fat-free mass was associated with a reduced probability of decreasing or persistently high muscular power and an increased probability of increasing muscular power. Higher adult fruit intake was associated with increasing muscular power. Lower adiposity across the life course, higher adult CRF and SES, and higher child protein intake were associated with persistently high muscular power. CONCLUSION Healthy weight, good CRF, greater protein intake, and high SES are important correlates of high muscular power maintained from childhood to adulthood.
Collapse
Affiliation(s)
- Brooklyn J Fraser
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | - Leigh Blizzard
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | - Verity Cleland
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | | | - Kylie J Smith
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | - Seana L Gall
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | | | - Alison J Venn
- Menzies Institute for Medical Research, University of Tasmania, Hobart, Tasmania, AUSTRALIA
| | | |
Collapse
|
32
|
Castro-Piñero J, Perez-Bey A, Cuenca-Garcia M, Cabanas-Sanchez V, Gómez-Martínez S, Veiga OL, Marcos A, Ruiz JR, Gomez-Martinez S, Nova E, Diaz LE, Zapatera B, Veses AM, Hernandez A, Gheorghe A, Castro-Piñero J, Mora-Vicente J, Gonzalez Montesinos JL, Conde-Caveda J, Ruiz JR, Ortega FB, Moledo CP, Baeza AC, Chillon P, del Rosario Fernandez J, Galo AG, Guerra GB, Alfonso AD, Parrilla F, Gomez R, Gavala J, Veiga OL, Villagra HA, del J, Campo, Cordente C, Diaz M, Tejero CM, Acha A, Moya JM, Sanz A, Martinez-Gomez D, Cabanas-Sanchez V, Rodriguez Romo G, Izquierdo R, Garcia-Cervantes L, Esteban-Cornejo I, Bandres F, Lucia A, Santiago C, Gomez-Gallego F. Muscle Fitness Cut Points for Early Assessment of Cardiovascular Risk in Children and Adolescents. J Pediatr 2019; 206:134-141.e3. [PMID: 30413315 DOI: 10.1016/j.jpeds.2018.10.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 10/10/2018] [Accepted: 10/12/2018] [Indexed: 01/11/2023]
Abstract
OBJECTIVES To study the cross-sectional and longitudinal (2-year follow-up) association between muscle fitness and cardiovascular disease (CVD) risk factors in youth; whether there are muscle fitness cut points associated with CVD risk (cross-sectional); and whether the health-related muscle fitness cut points identified at baseline are associated with CVD risk 2 years later. STUDY DESIGN In total, 237 children (110 girls) aged 6-10 years and 274 adolescents (131 girls) aged 12-16 years with complete data were included in the study (10.3% drop out). The handgrip strength and the standing long jump tests were used to assess muscle fitness. CVD risk score was computed with sum of 2 skinfolds, systolic blood pressure, insulin, glucose, triglycerides, and total cholesterol/high density lipoprotein cholesterol. RESULTS Muscle fitness at baseline was associated inversely with single CVD risk factors and CVD risk score at baseline and 2-year follow-up (all P < .05). Receiver operating characteristics curve analyses showed a significant discriminating accuracy of handgrip strength in identifying CVD risk in children and adolescents (boys: ≥ 0.367 and ≥0.473; girls: ≥ 0.306 and ≥0.423 kg/kg body mass, respectively, all P < .001). Similarly, the standing long jump cut points for children and adolescents were ≥104.5 and ≥140.5 in boys, and ≥81.5 and ≥120.5 cm in girls, respectively (all P < .05). These cut points were associated with CVD risk 2 years later (all P < .01). CONCLUSIONS Muscle fitness is associated with present and future cardiovascular health in youth, and is independent of cardiorespiratory fitness. It should be monitored to identify youth at risk who could benefit from intervention programs.
Collapse
Affiliation(s)
- José Castro-Piñero
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, Puerto Real, Spain.
| | - Alejandro Perez-Bey
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, Puerto Real, Spain
| | - Magdalena Cuenca-Garcia
- Department of Physical Education, Faculty of Education Sciences, University of Cádiz, Puerto Real, Spain
| | - Verónica Cabanas-Sanchez
- Department of Physical Education, Sports and Human Movement, Faculty of Teacher Training and Education, Autonomous University of Madrid, Madrid, Spain
| | - Sonia Gómez-Martínez
- Immunonutrition Group, Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (SCIC), Madrid, Spain
| | - Oscar L Veiga
- Department of Physical Education, Sports and Human Movement, Faculty of Teacher Training and Education, Autonomous University of Madrid, Madrid, Spain
| | - Ascensión Marcos
- Immunonutrition Group, Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (SCIC), Madrid, Spain
| | - Jonatan R Ruiz
- PROmoting FITness and Health through Physical Activity Research Group (PROFIT), Department of Physical Education and Sports, Faculty of Sport Sciences, University of Granada, Granada, Spain
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
33
|
Fraser BJ, Blizzard L, Tomkinson GR, Lycett K, Wake M, Burgner D, Ranganathan S, Juonala M, Dwyer T, Venn AJ, Olds T, Magnussen CG. The great leap backward: changes in the jumping performance of Australian children aged 11-12-years between 1985 and 2015. J Sports Sci 2018; 37:748-754. [PMID: 30319026 DOI: 10.1080/02640414.2018.1523672] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Previous data have indicated relative stability over time of paediatric jumping performance, but few data exist since the early 2000s. This study quantified the 30-year secular changes in jumping performance of Australian children aged 11-12-years using data from the Australian Schools Health and Fitness Survey (1985, n = 1967) and Growing Up in Australia's Child Health CheckPoint (2015, n = 1765). Both cohorts measured jumping performance (standing long jump distance), anthropometric and demographic data. Secular changes in jumping performance means and quantiles were examined using multivariable linear and quantile regression. Between 1985 and 2015, jumping performance declined by 16.4 cm or by 11.2% (standardised change 0.66 SD, 95%CI 0.60 to 0.73). Adjustment for body mass reduced the effect by 32%, although the decline remained (absolute change - 11.1 cm, 95%CI -12.5 to -9.7; percent change 7.7%, 95%CI 6.7 to 8.6; standardised change 0.51 SD, 95%CI 0.44 to 0.57). This decline was evident across all quantiles. The jumping performance of Australian children aged 11-12-years has declined between 1985 and 2015, with body mass changes accounting for only part of the decline. Efforts should continue to promote paediatric muscular fitness, reduce adiposity, and aim to reverse this decline in jumping performance.
Collapse
Affiliation(s)
- Brooklyn J Fraser
- a Menzies Institute for Medical Research , University of Tasmania , Hobart , Tasmania , Australia
| | - Leigh Blizzard
- a Menzies Institute for Medical Research , University of Tasmania , Hobart , Tasmania , Australia
| | - Grant R Tomkinson
- b Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences & Sansom Institute for Health Research , University of South Australia , Adelaide , South Australia , Australia.,c Department of Kinesiology and Public Health Education , University of North Dakota , Grand Forks , North Dakota , USA
| | - Kate Lycett
- d Murdoch Children's Research Institute , Royal Children's Hospital , Parkville , Victoria , Australia.,e Department of Paediatrics , The University of Melbourne , Parkville , Victoria , Australia
| | - Melissa Wake
- d Murdoch Children's Research Institute , Royal Children's Hospital , Parkville , Victoria , Australia
| | - David Burgner
- d Murdoch Children's Research Institute , Royal Children's Hospital , Parkville , Victoria , Australia.,e Department of Paediatrics , The University of Melbourne , Parkville , Victoria , Australia.,f Department of Paediatrics , Monash University , Melbourne , Victoria , Australia
| | - Sarath Ranganathan
- d Murdoch Children's Research Institute , Royal Children's Hospital , Parkville , Victoria , Australia.,e Department of Paediatrics , The University of Melbourne , Parkville , Victoria , Australia
| | - Markus Juonala
- g Department of Medicine , University of Turku , Turku , Finland.,h Division of Medicine , Turku University Hospital , Turku , Finland
| | - Terence Dwyer
- a Menzies Institute for Medical Research , University of Tasmania , Hobart , Tasmania , Australia.,i George Institute for Global Health, Oxford Martin School and Nuffield Department of Obstetrics & Gynaecology , Oxford University , Oxford , UK
| | - Alison J Venn
- a Menzies Institute for Medical Research , University of Tasmania , Hobart , Tasmania , Australia
| | - Tim Olds
- b Alliance for Research in Exercise, Nutrition and Activity (ARENA), School of Health Sciences & Sansom Institute for Health Research , University of South Australia , Adelaide , South Australia , Australia.,d Murdoch Children's Research Institute , Royal Children's Hospital , Parkville , Victoria , Australia
| | - Costan G Magnussen
- a Menzies Institute for Medical Research , University of Tasmania , Hobart , Tasmania , Australia.,j Research Centre of Applied and Preventive Cardiovascular Medicine , University of Turku , Turku , Finland
| |
Collapse
|
34
|
Kocher MH, Romine RK, Stickley CD, Morgan CF, Resnick PB, Hetzler RK. Allometric Grip Strength Norms for Children of Hawaiian Lineage. J Strength Cond Res 2017; 31:2794-2807. [DOI: 10.1519/jsc.0000000000001711] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
35
|
Laurson KR, Saint-Maurice PF, Welk GJ, Eisenmann JC. Reference Curves for Field Tests of Musculoskeletal Fitness in U.S. Children and Adolescents: The 2012 NHANES National Youth Fitness Survey. J Strength Cond Res 2017; 31:2075-2082. [DOI: 10.1519/jsc.0000000000001678] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
36
|
Luz C, Rodrigues LP, Meester AD, Cordovil R. The relationship between motor competence and health-related fitness in children and adolescents. PLoS One 2017; 12:e0179993. [PMID: 28658292 PMCID: PMC5489188 DOI: 10.1371/journal.pone.0179993] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2016] [Accepted: 06/07/2017] [Indexed: 11/18/2022] Open
Abstract
Background and aims In the last twenty years, there has been increasing evidence that Motor Competence (MC) is vital for developing an active and healthy lifestyle. This study analyses the associations between motor competence and its components, with health-related fitness (HRF). Methods A random sample of 546 children (278 males, mean = 10.77 years) divided into four age groups (7–8; 9–10; 11–12; 13–14 years old) was evaluated. A quantitative MC instrument (evaluating stability, locomotor and manipulative skills), a maximal multistage 20-m shuttle-run test and the handgrip test, height and BMI were used in the analyses. Pearson correlations and standard regression modelling were performed to explore the associations between variables. Results Moderate to strong significant correlations (0.49 < r < 0.73) were found between MC and HRF, for both sexes, and correlation values were stable across the age groups. The MC model explained 74% of the HRF variance, with the locomotor component being the highest predictor for the entire sample (β = .302; p < .001). Gender-related differences were found when boys and girls were analysed at each age group. Locomotor MC for girls was the most consistent significant predictor of HRF across all age groups (0.47 < β < 0.65; all p≤.001). For boys, significant predictors were locomotor and manipulative MC (0.21 < β < 0.49; all p < .05) in the two younger age groups (7–8 and 9–10 years) and stability (0.50 < β < 0.54; all p≤.001) for the older two age groups (11–12 and 13–14 years). Conclusion These results support the idea that: (1) the relationship between overall MC and HRF is strong and stable across childhood and early adolescence; (2) when accounting for the different MC components, boys and girls show different relationship patterns with HFR across age.
Collapse
Affiliation(s)
- Carlos Luz
- Escola Superior de Educação de Lisboa, Instituto Politécnico de Lisboa, Lisboa, Portugal
- Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
- * E-mail:
| | - Luís P. Rodrigues
- Research Center in Sports, Health and Human Development (CIDESD), Vila Real, Portugal
- Escola Superior de Desporto e Lazer de Melgaço, Instituto Politécnico de Viana do Castelo, Melgaço, Portugal
| | - An De Meester
- Department of Movement and Sports Sciences, Ghent University, Ghent, Belgium
| | - Rita Cordovil
- CIPER, Faculdade de Motricidade Humana, Universidade de Lisboa, Lisboa, Portugal
| |
Collapse
|
37
|
Link between Motor Competence and Health Related Fitness in Children and Adolescents. Sports (Basel) 2017; 5:sports5020041. [PMID: 29910401 PMCID: PMC5968993 DOI: 10.3390/sports5020041] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Revised: 06/07/2017] [Accepted: 06/13/2017] [Indexed: 11/16/2022] Open
Abstract
This study examined motor competence (MC) behavior in 6- to 14-year-old children, and investigated the differences in health-related fitness (HRF) between high and low MC groups, according to sex and age. A sample of 564 children (288 males) participated in this study, divided into three age groups (6⁻8 years; 9⁻11 years; 12⁻14 years). Total MC and its three components (stability, locomotor, and manipulative) were assessed with a quantitative instrument. HRF was evaluated using a maximal multistage 20-m shuttle-run test and the handgrip test. Participants were divided into tertiles according to their MC level and high and low MC groups were analyzed. Overall, MC increased across age groups for both sexes, but boys presented better results than girls. The high MC group outperformed their low MC peers in all HRF variables, independent of their age group. Although cardiovascular fitness increased with age for both the high and low MC groups, the differences between these groups were greater in older children compared to younger children, within the study age range. The findings suggest that MC interventions should be considered as an important strategy to enhance HRF, and girls at a young age should be a priority target.
Collapse
|
38
|
Stodden D, Sacko R, Nesbitt D. A Review of the Promotion of Fitness Measures and Health Outcomes in Youth. Am J Lifestyle Med 2017; 11:232-242. [PMID: 30202338 PMCID: PMC6125085 DOI: 10.1177/1559827615619577] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Revised: 10/23/2015] [Accepted: 11/06/2015] [Indexed: 11/16/2022] Open
Abstract
The relationship between physical fitness and health in adults is well established, yet until recently, empirical support for the impact of physical fitness levels on health markers in children has not been thoroughly documented. The aim of this review was to provide a summary of current literature that has examined the linkage between measures of health-related physical fitness (ie, cardiorespiratory fitness, musculoskeletal fitness, flexibility, and body composition) and health markers in youth. Specifically, this review focused on the findings from the recent 2012 Institutes of Medicine report on Fitness Measures in Youth as well as other subsequent review articles related to the topic. In addition, recommendations for health-related fitness assessments in youth populations are presented.
Collapse
Affiliation(s)
| | | | - Danielle Nesbitt
- Department of Physical Education and Athletic Training, University of South Carolina, Columbia, South Carolina
| |
Collapse
|
39
|
King-Dowling S, Proudfoot NA, Cairney J, Timmons BW. Validity of field assessments to predict peak muscle power in preschoolers. Appl Physiol Nutr Metab 2017; 42:850-854. [PMID: 28371585 DOI: 10.1139/apnm-2016-0426] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Field-based fitness assessments are time- and cost-efficient. However, no studies to date have reported the predictive value of field-based musculoskeletal fitness assessments in preschoolers. The purpose of this study was to determine the validity of 2 field assessments to predict peak muscle power in preschool-aged children. Four-hundred and nineteen 3- to 5-year olds participated (208 girls, 211 boys; mean age: 4.5 ± 0.9 years). Peak power (PP) was evaluated using a modified 10-s Wingate protocol as the criterion standard. Standing long-jump was measured in inches to the back of the heel using a 2-footed takeoff and landing. Shuttle-run time was measured using a shuttle-run protocol, which required children to sprint 50 feet (15.2 m), pick up a small block, and sprint back, with time measured to the closest tenth of a second. Regression modelling was used to calculate the predictive power of each field-based measurement, adjusting for weight (kg), age, and sex. Both standing long-jump distance and shuttle-run time were significantly correlated with PP (r = 0.636, p < 0.001, and r = -0.684, p < 0.001, respectively). Linear regression analysis determined that a child's PP can be predicted from the child's weight, age, and sex and either standing long-jump or shuttle-run time (adjusted R2 = 0.79, p < 0.001, and 0.81, p < 0.001, respectively). The standing long-jump and the Bruininks Oseretsky Test of Motor Proficiency 2nd Edition shuttle-run are both significant predictors of peak muscle power in preschool children. Either measure can be used as a cost- and time-efficient estimate of musculoskeletal fitness in preschoolers.
Collapse
Affiliation(s)
- Sara King-Dowling
- a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada.,b Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University, Hamilton, ON L8S 4K1, Canada.,c Infant and Child Health Lab, Department of Family Medicine, McMaster University, Hamilton, ON L8P 1H6, Canada
| | - Nicole A Proudfoot
- a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada.,b Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - John Cairney
- a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada.,c Infant and Child Health Lab, Department of Family Medicine, McMaster University, Hamilton, ON L8P 1H6, Canada
| | - Brian W Timmons
- a Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada.,b Child Health and Exercise Medicine Program, Department of Pediatrics, McMaster University, Hamilton, ON L8S 4K1, Canada.,c Infant and Child Health Lab, Department of Family Medicine, McMaster University, Hamilton, ON L8P 1H6, Canada
| |
Collapse
|
40
|
Tracking of muscular strength and power from youth to young adulthood: Longitudinal findings from the Childhood Determinants of Adult Health Study. J Sci Med Sport 2017; 20:927-931. [PMID: 28416155 DOI: 10.1016/j.jsams.2017.03.021] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 03/15/2017] [Accepted: 03/23/2017] [Indexed: 01/23/2023]
Abstract
OBJECTIVES Low muscular fitness levels have previously been reported as an independent risk factor for chronic disease outcomes. Muscular fitness tracking, the ability to maintain levels measured at one point in time to another point in time, was assessed from youth to adulthood to provide insight into whether early identification of low muscular fitness in youth is possible. DESIGN Prospective longitudinal study. METHODS Study including 623 participants who had muscular fitness measures in 1985 (aged 9, 12 or 15 years) and again 20 years later in young adulthood. Measures of muscular fitness were strength (right and left grip, leg, shoulder extension and flexion measured by dynamometer, and a combined strength score) and power (standing long jump distance). RESULTS Strength and power were relatively stable between youth and adulthood; the strongest tracking correlations were observed for the combined strength score (r=0.47, p≤0.001), right grip strength (r=0.43, p≤0.001) and standing long jump (r=0.43, p≤0.001). Youth in the lowest third of muscular fitness had an increased risk of remaining in the lowest third of muscular fitness in adulthood (strength: relative risk (RR)=4.70, 95% confidence interval (CI) (3.19, 6.92); power: RR=4.06 (2.79, 5.90)). CONCLUSIONS Youth with low muscular fitness are at increased risk of maintaining a low muscular fitness level into adulthood. These findings warrant investigation into the long term effects of early interventions that focus on improving low muscular fitness levels in youth which could potentially improve adult muscular fitness and reduce future chronic disease outcomes.
Collapse
|
41
|
Lloyd RS, Cronin JB, Faigenbaum AD, Haff GG, Howard R, Kraemer WJ, Micheli LJ, Myer GD, Oliver JL. National Strength and Conditioning Association Position Statement on Long-Term Athletic Development. J Strength Cond Res 2016; 30:1491-509. [PMID: 26933920 DOI: 10.1519/jsc.0000000000001387] [Citation(s) in RCA: 190] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
There has recently been a growing interest in long-term athletic development for youth. Because of their unique physical, psychological, and social differences, children and adolescents should engage in appropriately prescribed exercise programs that promote physical development to prevent injury and enhance fitness behaviors that can be retained later in life. Irrespective of whether a child is involved in organized sport or engages in recreational physical activity, there remains a need to adopt a structured, logical, and evidence-based approach to the long-term development of athleticism. This is of particular importance considering the alarmingly high number of youth who fail to meet global physical activity recommendations and consequently present with negative health profiles. However, appropriate exercise prescription is also crucial for those young athletes who are physically underprepared and at risk of overuse injury because of high volumes of competition and an absence of preparatory conditioning. Whether the child accumulates insufficient or excessive amounts of exercise, or falls somewhere between these opposing ends of the spectrum, it is generally accepted that the young bodies of modern day youth are often ill-prepared to tolerate the rigors of sports or physical activity. All youth should engage in regular physical activity and thus should be viewed as "athletes" and afforded the opportunity to enhance athleticism in an individualized, holistic, and child-centered manner. Because of emerging interest in long-term athletic development, an authorship team was tasked on behalf of the National Strength and Conditioning Association (NSCA) to critically synthesize existing literature and current practices within the field and to compose a relevant position statement. This document was subsequently reviewed and formally ratified by the NSCA Board of Directors. A list of 10 pillars of successful long-term athletic development are presented, which summarize the key recommendations detailed within the position statement. With these pillars in place, it is believed that the NSCA can (a) help foster a more unified and holistic approach to long-term athletic development, (b) promote the benefits of a lifetime of healthy physical activity, and
Collapse
Affiliation(s)
- Rhodri S Lloyd
- 1Youth Physical Development Unit, School of Sport, Cardiff Metropolitan University, Cardiff, United Kingdom; 2Sports Performance Research Institute New Zealand, AUT University, Auckland, New Zealand; 3Center for Exercise and Sport Science Research, Edith Cowan University, Joondalup, Australia; 4Department of Health and Exercise Science, The College of New Jersey, Ewing, New Jersey; 5Department of Kinesiology, West Chester University, West Chester, Pennsylvania; 6Department of Human Sciences, The Ohio State University, Columbus, Ohio; 7Department of Orthopaedics, Division of Sports Medicine, Boston Children's Hospital, Boston, Massachusetts; 8Harvard Medical School, Boston, Massachusetts; 9The Micheli Center for Sports Injury Prevention, Boston, Massachusetts; 10Division of Sports Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; 11Department of Pediatrics and Orthopaedic Surgery, College of Medicine, University of Cincinnati, Cincinnati, Ohio; and 12Department of Orthopaedics, University of Pennsylvania, Philadelphia, Pennsylvania
| | | | | | | | | | | | | | | | | |
Collapse
|
42
|
Ayán-Pérez C, Cancela-Carral JM, Lago-Ballesteros J, Martínez-Lemos I. Reliability of Sargent Jump Test in 4- to 5-Year-Old Children. Percept Mot Skills 2016; 124:39-57. [PMID: 27837043 DOI: 10.1177/0031512516676174] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
We assessed the test-retest reliability of the Sargent jump (VJ) for vertical jumping performed by 4 and 5 years old pre-schoolers. The VJ was administered three times (familiarization, test, and retest) to 163 children (mean age: 4.48 ± 0.5 years; 55.8% girls). The results were compared with those obtained in the standing long jump (SLJ) and in the 25 -m dash test to identify how its performance correlated with other measures of leg power. Systematic change in the mean and retest correlations with these other measures were used to help analyze VJ test-retest reliability. Additionally, Pearson correlation coefficients were used to examine the degree of association between the test and retest trials of the VJ. The VJ showed a higher correlation and agreement in the 4-year-old, compared with the 5-year old, group (rc = 0.956 vs. 0.796; α = 0.95 vs. 0.84; ICC: 0.828; 95% CI: 0.730-0.891 vs 0.739; 95% CI: 0.589-0.834). Effect sizes were small ( d ≤ 0.285) for all the VJ tests performed. Fair to poor significant relationships were established between the VJ (test), VJ (retest), and the SLJ. No significant association was observed between the VJ and the 25 -m dash tests. Our findings suggest that the Sargent jump test is reliable when executed by 4- and 5-year-olds. The lack of a strong association with other measures of leg power should be taken into account at the time of selecting the most appropriate test to assess this strength dimension.
Collapse
|
43
|
Gomes TN, Dos Santos FK, Katzmarzyk PT, Maia J. Active and strong: physical activity, muscular strength, and metabolic risk in children. Am J Hum Biol 2016; 29. [PMID: 27545106 DOI: 10.1002/ajhb.22904] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 06/20/2016] [Accepted: 07/29/2016] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVES This study explored the associations among physical activity, muscular strength, and metabolic risk among children. METHODS The sample included 378 Portuguese children (213 girls; 9-11 years). Moderate-to-vigorous physical activity was assessed by accelerometry and children were classified as active (≥60 min/day) or insufficiently active (<60 min/day). Static strength was expressed as the ratio of handgrip strength/body weight and used to classify children as having high (≥P50) or low (<P50) muscular strength. Children were classified into four groups: active and high strength, active and low strength, insufficiently active and high strength, insufficiently active and low strength. A continuous metabolic risk score was computed from cardiometabolic risk factors. RESULTS In general, the insufficiently active and low strength group had the worst metabolic risk score, and the active and high strength group had the best. Significant differences were found within physical activity groups for metabolic risk: children classified as "active and high strength" and "insufficiently active and high strength" had better metabolic risk scores than "active and low strength" and "insufficiently active and low strength", respectively. CONCLUSIONS Muscular strength has a relevant role in attenuating the association between physical inactivity and metabolic risk in children; a further benefit was identified in children with high physical activity and high muscular strength.
Collapse
Affiliation(s)
- Thayse Natacha Gomes
- CIFI2D, Kinanthropometry Lab, Faculty of Sport, University of Porto, Porto, Portugal
| | | | - Peter T Katzmarzyk
- Pennington Biomedical Research Center, Louisiana State University, Baton Rouge, LA
| | - José Maia
- CIFI2D, Kinanthropometry Lab, Faculty of Sport, University of Porto, Porto, Portugal
| |
Collapse
|
44
|
Association Between Maximal Bench Press Strength and Isometric Handgrip Strength Among Breast Cancer Survivors. Arch Phys Med Rehabil 2016; 98:264-269. [PMID: 27543047 DOI: 10.1016/j.apmr.2016.07.017] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 06/28/2016] [Accepted: 07/13/2016] [Indexed: 11/21/2022]
Abstract
OBJECTIVE To characterize the relationship between 1-repetition maximum (1-RM) bench press strength and isometric handgrip strength among breast cancer survivors. DESIGN Cross-sectional study. SETTING Laboratory. PARTICIPANTS Community-dwelling breast cancer survivors (N=295). INTERVENTIONS Not applicable. MAIN OUTCOME MEASURE 1-RM bench press strength was measured with a barbell and exercise bench. Isometric handgrip strength was measured using an isometric dynamometer, with 3 maximal contractions of the left and right hands. All measures were conducted by staff with training in clinical exercise testing. RESULTS Among 295 breast cancer survivors, 1-RM bench press strength was 18.2±6.1kg (range, 2.2-43.0kg), and isometric handgrip strength was 23.5±5.8kg (range, 9.0-43.0kg). The strongest correlate of 1-RM bench press strength was the average isometric handgrip strength of both hands (r=.399; P<.0001). Mean difference analysis suggested that the average isometric handgrip strength of both hands overestimated 1-RM bench press strength by 4.7kg (95% limits of agreement, -8.2 to 17.6kg). In a multivariable linear regression model, the average isometric handgrip strength of both hands (β=.31; P<.0001) and age (β=-.20; P<.0001) were positively correlated with 1-RM bench press strength (R2=.23). CONCLUSIONS Isometric handgrip strength is a poor surrogate for 1-RM bench press strength among breast cancer survivors. 1-RM bench press strength and isometric handgrip strength quantify distinct components of muscular strength.
Collapse
|
45
|
Larsen KT, Huang T, Larsen LR, Olesen LG, Andersen LB, Møller NC. The effect of a multi-component camp-based weight-loss program on children's motor skills and physical fitness: a randomized controlled trial. BMC Pediatr 2016; 16:91. [PMID: 27416906 PMCID: PMC4946099 DOI: 10.1186/s12887-016-0627-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 07/06/2016] [Indexed: 11/21/2022] Open
Abstract
Background Many weight-loss programs in children are performed without specific foci on training both physical fitness and motor skills. The aim of this study was to describe the effect of a one-year weight-loss program on children’s motor skills and physical fitness. Methods Participants included 115 overweight fifth-grade children (12.0 years) randomized into either a Day-Camp Intervention Arm (DCIA), with a subsequent family-based support program or a low-intense Standard Intervention Arm (SIA). Physical fitness was assessed by vertical jump, hand grip strength, and a progressive cardio-respiratory fitness test. Motor skills were assessed by the Movement Assessment Battery for Children – second edition (M-ABC-2), age band 3. Results Loss to follow-up after 52 weeks was 19 % and 32 % in the DCIA and SIA, respectively. Balance skills were improved post-camp, but not after 52 weeks in children from the DCIA compared to the SIA. Contrary to the expected, children from the SIA improved aiming and catching skills relative to the DCIA children. Overall z-scores of the physical fitness components and cardio-respiratory fitness improved more in children from the DCIA compared to children from the SIA. Conclusion In conclusion, the day-camp intervention led to improvements in physical fitness but not in motor skills compared to the standard intervention. Including both motor skills and physical fitness could advantageously be considered in future immersive intervention programmes. Trial registration Clinicaltrials NCT01574352, March 26, 2012 (retrospectively registered).
Collapse
Affiliation(s)
- Kristian Traberg Larsen
- Centre of Research in Childhood Health (RICH), Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.
| | - Tao Huang
- Centre of Research in Childhood Health (RICH), Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Department of Physical Education, Shanghai Jiao Tong University, Shanghai, China
| | - Lisbeth Runge Larsen
- Research & Innovation Center for Human Movement & Learning (FIIBL), Department of Sports Science and Clinical Biomechanics, University College Lillebaelt, Odense, Denmark.,Institute of Regional Health Research, University of Southern Denmark, Odense, Denmark
| | - Line Grønholt Olesen
- Centre of Research in Childhood Health (RICH), Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| | - Lars Bo Andersen
- Centre of Research in Childhood Health (RICH), Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark.,Department of Sports Medicine, Norwegian School of Sport Sciences, Oslo, Norway.,Faculty of Teacher Education and Sport, Sogn og Fjordane University College, Sogndal, Norway
| | - Niels Christian Møller
- Centre of Research in Childhood Health (RICH), Department of Sports Science and Clinical Biomechanics, University of Southern Denmark, Odense, Denmark
| |
Collapse
|
46
|
Tyler R. Ten-Year Secular Changes in Selected Health and Fitness Parameters of 10-11 Years Old Swansea School Children – 2003-2013. ACTA ACUST UNITED AC 2015. [DOI: 10.15406/aowmc.2015.03.00072] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
47
|
Smith JJ, Eather N, Morgan PJ, Plotnikoff RC, Faigenbaum AD, Lubans DR. The health benefits of muscular fitness for children and adolescents: a systematic review and meta-analysis. Sports Med 2015; 44:1209-23. [PMID: 24788950 DOI: 10.1007/s40279-014-0196-4] [Citation(s) in RCA: 423] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
BACKGROUND Physical fitness during childhood and adolescence has been identified as an important determinant of current and future health status. While research has traditionally focused on the association between cardio-respiratory fitness and health outcomes, the association between muscular fitness (MF) and health status has recently received increased attention. OBJECTIVE The aim of this systematic review and meta-analysis was to evaluate the potential physiological and psychological benefits associated with MF among children and adolescents. METHODS A systematic search of six electronic databases (PubMed, SPORTDiscus, Scopus, EMBASE, PsycINFO and OVID MEDLINE) was performed on the 20th May, 2013. Cross-sectional, longitudinal and experimental studies that quantitatively examined the association between MF and potential health benefits among children and adolescents were included. The search yielded 110 eligible studies, encompassing six health outcomes (i.e., adiposity, bone health, cardiovascular disease [CVD] and metabolic risk factors, musculoskeletal pain, psychological health and cognitive ability). The percentage of studies reporting statistically significant associations between MF and the outcome of interest was used to determine the strength of the evidence for an association and additional coding was conducted to account for risk of bias. Meta-analyses were also performed to determine the pooled effect size if there were at least three studies providing standardised coefficients. RESULTS Strong evidence was found for an inverse association between MF and total and central adiposity, and CVD and metabolic risk factors. The pooled effect size for the relationship between MF and adiposity was r = -0.25 (95% CI -0.41 to -0.08). Strong evidence was also found for a positive association between MF and bone health and self-esteem. The pooled effect size for the relationship between MF and perceived sports competence was r = 0.39 (95% CI 0.34-0.45). The evidence for an association between MF and musculoskeletal pain and cognitive ability was inconsistent/uncertain. Where evidence of an association was found, the associations were generally low to moderate. CONCLUSION The findings of this review highlight the importance of developing MF in youth for a number of health-related benefits.
Collapse
Affiliation(s)
- Jordan J Smith
- Priority Research Centre for Physical Activity and Nutrition, School of Education, University of Newcastle, Callaghan Campus, Newcastle, NSW, Australia,
| | | | | | | | | | | |
Collapse
|
48
|
Fernandez-Santos JR, Ruiz JR, Cohen DD, Gonzalez-Montesinos JL, Castro-Piñero J. Reliability and Validity of Tests to Assess Lower-Body Muscular Power in Children. J Strength Cond Res 2015; 29:2277-85. [DOI: 10.1519/jsc.0000000000000864] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
|
49
|
Aujla IJ, Nordin-Bates SM, Redding E. Multidisciplinary predictors of adherence to contemporary dance training: findings from the UK Centres for Advanced Training. J Sports Sci 2015; 33:1564-73. [DOI: 10.1080/02640414.2014.996183] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Imogen J. Aujla
- Department of Performing Arts and English, University of Bedfordshire, Bedfordshire, UK
| | | | | |
Collapse
|
50
|
Artero EG, España-Romero V, Jiménez-Pavón D, Martinez-Gómez D, Warnberg J, Gómez-Martínez S, González-Gross M, Vanhelst J, Kafatos A, Molnar D, De Henauw S, Moreno LA, Marcos A, Castillo MJ. Muscular fitness, fatness and inflammatory biomarkers in adolescents. Pediatr Obes 2014; 9:391-400. [PMID: 23828843 DOI: 10.1111/j.2047-6310.2013.00186.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2013] [Revised: 04/18/2013] [Accepted: 05/24/2013] [Indexed: 12/22/2022]
Abstract
BACKGROUND Muscular fitness, cardiorespiratory fitness (CRF) and fatness are mutually related with chronic inflammation. PURPOSE To examine the independent association of muscular fitness with inflammatory biomarkers in adolescents from nine European countries. METHODS A total of 639 adolescents (296 boys) aged from 12.5 to 17.5 year were included in this report. Data collection took place in 2006-2007 and analyses in 2012. A muscular fitness score was computed from handgrip strength and standing long jump. CRF was measured using the 20 m shuttle run test. Z-scores of C-reactive protein, complement factors C3 and C4, leptin and white blood cell counts were summed to create a cluster of inflammatory biomarkers. Sex, age, pubertal stage and centre were used as main confounders. Additional models were further adjusted for insulin resistance (HOMA-IR) and sum of four skinfolds. RESULTS Muscular fitness was negatively associated with single and clustered inflammatory biomarkers (standardized β from -0.399 to -0.100, all P-values < 0.05). Additional adjustments for CRF and HOMA-IR weakened the associations, but they still remained significant. The association was no longer significant when adjusting for skinfolds. Decreasing values of inflammatory score were observed across incremental levels of muscular fitness in both non-overweight and overweight adolescents (P ≤ 0.05). CONCLUSIONS Adolescents with higher levels of muscular fitness present a lower chronic inflammation, and this seems to be explained by lower levels of fatness. Yet, overweight and obese adolescents may exhibit a less adverse profile if they maintain appropriate levels of muscular fitness.
Collapse
Affiliation(s)
- E G Artero
- Department of Medical Physiology, School of Medicine, University of Granada, Granada, Spain; Area of Physical Education and Sport, School of Education, University of Almería, Almería, Spain
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|