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Silva AF, González-Fernández FT, Ceylan HI, Silva R, Younesi S, Chen YS, Badicu G, Wolański P, Murawska-Ciałowicz E, Clemente FM. Relationships between Fitness Status and Blood Biomarkers in Professional Soccer Players. JOURNAL OF HEALTHCARE ENGINEERING 2022; 2022:5135817. [PMID: 35449856 PMCID: PMC9017447 DOI: 10.1155/2022/5135817] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/11/2022] [Accepted: 03/07/2022] [Indexed: 12/11/2022]
Abstract
Background Physical conditions are recognized to be optimal after the pre-season (PS) phase in professional sports. Given that blood measures may also reveal variations, which in turn, may present associations with fitness changes. Objective The aim of this study is to test the changes of blood markers and physical fitness outcomes at the beginning and following the PS phase. Additionally, we aimed also to analyze the associations of training adaptations between blood markers and the physical fitness measures. Methodology. 25 professional male soccer players (28.1 ± 4.6 years old, 2.0 ± 7.8 kg, and 176.7 ± 4.9 cm) were assessed for hematological and biochemical parameters, and physical fitness measures in the baseline and after the phase of PS. Results Increases in platelets were observed after the PS phase (p = 0.001, η2 = 0.39). Regarding the biochemical parameters, significant increases between PS were found for creatinine (Cre) (p = 0.001, η2 = 0.66), alkaline phosphatase (ALP) (p = 0.001, η2 = 0.79), C-Reactive Protein (CRP) (p = 0.001, η2 = 0.74), cortisol (C) (p = 0.001, η2 = 0.63), and testosterone (T) (p = 0.001, η2 = 0.76), whereas significant decreases were found for albumin (Alb) (p = 0.004, η2 = 0.29), and calcium corrected (Ca Corr.) (p = 0.002, η2 = 0.32). Moderate correlations were found between albumin and the 5-meter linear sprint split (r = -0.44 (95%CI: -0.71; -0.05)) and CRP (r = -0.48 (95%CI: -0.74; -0.10)). Moderate correlations were found between VAMEVAL and hemoglobin (r = 0.44 (95%CI: 0.05; 0.71)). Conclusions The overall physical fitness measures improved after the PS phase. Also, significant variations (decreases/increases) were observed for the case of biomchemical and hematological outcomes. Coaches should carefully consider the adaptative changes observed in blood parameters as the changes in whole organism and metabolism after specific critical phases as the PS in professional players. Thus, optimal management of stimulus/recovery can be warranted to minimize illness and injury rate and to follow the direction and dynamics of adaptative changes.
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Affiliation(s)
- Ana Filipa Silva
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana Do Castelo, Viana do castelo, Portugal
- Research Center in Sports Performance, Recreation Innovation and Technology (SPRINT), Melgaço 4960-320, Portugal
- The Research Centre in Sports Sciences, Health Sciences and Human Development (CIDESD), Vila Real 5001-801, Portugal
| | - Francisco Tomás González-Fernández
- Department of Physical Education and Sport, Faculty of Education and Sport Sciences, Campus of Melilla, University of Granada, 52006 Melilla, Spain
| | - Halil Ibrahim Ceylan
- Physical Education and Sports Teaching Department, Kazim Karabekir Faculty of Education, Ataturk University, Erzurum, Turkey
| | - Rui Silva
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana Do Castelo, Viana do castelo, Portugal
- Research Center in Sports Performance, Recreation Innovation and Technology (SPRINT), Melgaço 4960-320, Portugal
| | - Saeid Younesi
- University of Coimbra, Research Unit for Sport and Physical Activity, Faculty of Sport Sciences and Physical Education, Coimbra 3004-531, Portugal
| | - Yung-Sheng Chen
- Department of Exercise and Health Sciences, University of Taipei, Taipei 11153, Taiwan
| | - Georgian Badicu
- Department of Physical Education and Special Motricity, Transilvania University of Brasov, Brasov 500068, Romania
| | - Paweł Wolański
- Department of Physiology, Gdansk University of Physical Education and Sport, Gdansk 80-336, Poland
| | - Eugenia Murawska-Ciałowicz
- Department of Physiology and Biochemistry, University School of Physical Education, Wrocław 51-612, Poland
| | - Filipe Manuel Clemente
- Escola Superior Desporto e Lazer, Instituto Politécnico de Viana Do Castelo, Viana do castelo, Portugal
- Instituto de Telecomunicações, Delegação da Covilhã, Lisboa 1049-001, Portugal
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de Almeida-Neto PF, Oliveira VMM, de Matos DG, dos Santos ÍK, Baxter-Jones A, Pinto VCM, de Macêdo Cesário T, Aidar FJ, Silva Dantas PM, Cabral BGDAT. Factors related to lower limb performance in children and adolescents aged 7 to 17 years: A systematic review with meta-analysis. PLoS One 2021; 16:e0258144. [PMID: 34614024 PMCID: PMC8494314 DOI: 10.1371/journal.pone.0258144] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Accepted: 09/18/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND The literature identifies several factors that are associated with lower limb performance (LLP). However, there is little consensus on which factors have the major associations with LLP. OBJECTIVE Examine, analyze and summarize the scientific evidence on the factors associated with the performance of LLP in children and adolescents of both sexes aged between 7 and 17 years. DESIGN This systematic review was conducted following the Preferred Reporting Items for Systematic Review and Meta-Analysis (PRISMA) statement and was registered in PROSPERO. DATA SOURCES A systematic literature search of five electronic databases (i.e., SPORTDiscus, PubMed, CINAHL, Google Scholar, and SCOPUS) with date restrictions was conducted (2010 to 2021). ELIGIBILITY CRITERIA FOR SELECTING STUDIES Eligibility criteria included (i) a study published between 2010 and 2021; (ii) a research study with observational design; (iii) a study analyzing LLP; and (iv) a sample composed of young people between 7 and 17 years old (regardless of sex). ANALYSES Literature analysis was carried out in English and Portuguese between 2018 and 2021, "blindly" by two researchers. For data sorting, Rayyan® was used. Data extraction and evidence analysis were performed "blindly", using the Loney scale. The minimum items for observational studies were analyzed by the STROBE checklist. Meta-analyses were conducted based on age group (Childhood [7 to 11 Yrs] and Adolescence [12 to 17 Yrs]) and puberty stages (i.e., Prepupertal and Pubertal). The heterogeneity between the samples of the studies was assessed using the "Cochran's Q" and "I^2" statistics. Meta-regression analyses were performed to check the factors related to heterogeneity of the studies and to check the associations between chronological age and LLP. RESULTS The literature search resulted in 1,109,650 observational studies of which 39 were included in this review. Through Meta-analysis and Meta-regressions, it was possible to indicate that advancing chronological age related to increased LLP (p<0.01), and that in relation to puberty stages pubertal subjects had higher LLP than their pre-pubertal peers (p<0.01). DISCUSSION The main findings of the present systematic review suggest that as chronological age advances (childhood to adolescence), neuromuscular systems mature and this may be due to advancing puberty, which is also associated with an increase in LLP. CONCLUSION The factors associated with lower limbs performance are still inconsistent in the literature. However, advancing chronological age and stage of puberty are both associated with increased lower limbs performance. TRIAL REGISTRATION ID-PROSPERO-CRD42020137925.
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Affiliation(s)
- Paulo Francisco de Almeida-Neto
- Health Sciences Center, Department of Physical Education, Federal University of Rio Grande do Norte, DEF-UFRN, Natal, RN, Brazil
| | | | - Dihogo Gama de Matos
- Cardiovascular & Physiology of Exercise Laboratory, Faculty of Kinesiology and Recreation Management, University of Manitoba, Winnipeg, Canada
| | - Ísis Kelly dos Santos
- Health Sciences Center, Department of Physical Education, Federal University of Rio Grande do Norte, DEF-UFRN, Natal, RN, Brazil
- Post Graduate Program in Health Sciences, Federal University of Rio Grande do Norte, Natal, RN, Brazil
| | - Adam Baxter-Jones
- College of Kinesiology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Vanessa Carla Monteiro Pinto
- Health Sciences Center, Department of Physical Education, Federal University of Rio Grande do Norte, DEF-UFRN, Natal, RN, Brazil
| | - Tatianny de Macêdo Cesário
- Health Sciences Center, Department of Physical Education, Federal University of Rio Grande do Norte, DEF-UFRN, Natal, RN, Brazil
| | - Felipe J. Aidar
- Department of Physical Education, Federal University of Sergipe, UFS, São Cristovão, SE, Brazil
| | - Paulo Moreira Silva Dantas
- Health Sciences Center, Department of Physical Education, Federal University of Rio Grande do Norte, DEF-UFRN, Natal, RN, Brazil
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Hsu CY, Chen LS, Chang IJ, Fang WC, Huang SW, Lin RH, Ueng SWN, Chuang HH. Can Anthropometry and Body Composition Explain Physical Fitness Levels in School-Aged Children? CHILDREN (BASEL, SWITZERLAND) 2021; 8:460. [PMID: 34072785 PMCID: PMC8229107 DOI: 10.3390/children8060460] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 02/04/2023]
Abstract
Physical fitness (PF) is closely related to various health outcomes and quality of life among children. However, the associations between anthropometry, body composition (BC), and PF are not fully elucidated. This cross-sectional study aimed to investigate the associations between demographic metrics (age, sex), anthropometric measures (body mass index z-score (BMI z-score) waist/height ratio (WHtR)), BC parameters (body-fat percentage (BF%), muscle weight), and PF levels (800-m run, sit-and-reach, 1-min sit-ups, standing long jump) in school-aged children. Continuous variables were dichotomized by median splits. The results of 180 girls and 180 boys (mean age: 10.0 ± 0.7 years; mean BMI z-score: 0.366 ± 1.216) were analyzed. Multivariable linear regressions revealed that BF% (regression coefficient (B) = 3.4, 95% confidence interval (CI) = 2.5-4.3) was independently correlated with the 800-m run. Sex (B = 4.6, 95% CI = 3.0-6.3), age (B = 3.1, 95% CI = 1.9-4.3), and BMI z-score (B = -0.7, 95% CI = -1.4--0.1) were independently related to sit-and-reach. Age (B = 3.3, 95% CI = 2.0-4.7), BF% (B = -0.3, 95% CI = -0.4--0.2), and muscle weight (B = 0.7, 95% CI = 0.2-1.2) were independently associated with 1-min sit-ups. In addition to demography, anthropometry and BC provided additional information concerning some PF levels in school-aged children. Weight management and PF promotion should be addressed simultaneously in terms of preventive medicine and health promotion for children.
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Affiliation(s)
- Chih-Yu Hsu
- Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (L.-S.C.); (I.-J.C.); (W.-C.F.)
| | - Liang-Sien Chen
- Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (L.-S.C.); (I.-J.C.); (W.-C.F.)
| | - I-Jen Chang
- Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (L.-S.C.); (I.-J.C.); (W.-C.F.)
| | - Wei-Ching Fang
- Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (L.-S.C.); (I.-J.C.); (W.-C.F.)
| | - Sun-Weng Huang
- Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan; (S.-W.H.); (R.-H.L.)
- Graduate Institute of Urban Planning, College of Public Affairs, National Taipei University, New Taipei City 23741, Taiwan
| | - Rong-Ho Lin
- Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan; (S.-W.H.); (R.-H.L.)
| | - Steve Wen-Neng Ueng
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Department of Orthopedic Surgery, Linkou Main Branch, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Hai-Hua Chuang
- Department of Family Medicine, Linkou and Taipei Branches, Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan; (C.-Y.H.); (L.-S.C.); (I.-J.C.); (W.-C.F.)
- Department of Industrial Engineering and Management, National Taipei University of Technology, Taipei 10608, Taiwan; (S.-W.H.); (R.-H.L.)
- College of Medicine, Chang Gung University, Taoyuan 33302, Taiwan;
- Obesity Institute, Geisinger, Danville, PA 17837, USA
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Ishida A, Travis SK, Stone MH. Short-Term Periodized Programming May Improve Strength, Power, Jump Kinetics, and Sprint Efficiency in Soccer. J Funct Morphol Kinesiol 2021; 6:jfmk6020045. [PMID: 34073803 PMCID: PMC8163170 DOI: 10.3390/jfmk6020045] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/17/2022] Open
Abstract
The purpose of this study was to examine if short-term periodized programming may improve strength, power, jump kinetics, and sprint efficiency in soccer. Seventeen players (19.6 ± 1.6 yrs; 73.8 ± 8.2 kg; 1.77 ± 0.6 m) were divided into two groups based on mean isometric midthigh pull peak force (IPF) (stronger and weaker) and squat jump (SJ) peak power (PP) (higher power and lower power). Eight weaker players were included in the lower power group, while six stronger players were included in the higher power group. Block periodization was adopted to design strength training consisting of 3-week strength endurance and 4-week maximum strength blocks. Performance data included SJ with polyvinyl chloride pipe (SJ0), 20 kgs bar (SJ20), and 40 kgs (SJ40) bar and 20 m sprint across three time points (baseline: TB; post-block 1: T1; post-block 2: T2). Stronger group showed significant increases from TB to T2 in SJ20 peak power (PP), net impulse, and allometrically-scaled PP (p = 0.005 to 0.01, ES = 0.32 to 0.49). Weaker group demonstrated moderate to large increases from TB to T2 in SJ20, allometrically-scaled peak force (PF), PP, and allometrically-scaled PP (p = <0.001 to 0.04, ES = 1.41 to 1.74). Lower power group showed significant increases from TB to T2 in SJ20 allometrically-scaled PF, net impulse, PP, and allometrically-scaled PP (p = <0.001 to 0.026, ES = 1.06 to 2.01). Weaker and less powerful soccer players can benefit from strength-focused training to improve loaded SJ kinetics associating with force production.
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Affiliation(s)
- Ai Ishida
- Department of Sport, Exercise, Recreation, and Kinesiology, East Tennessee State University, Johnson City, TN 37604, USA; (S.K.T.); (M.H.S.)
- Correspondence:
| | - S. Kyle Travis
- Department of Sport, Exercise, Recreation, and Kinesiology, East Tennessee State University, Johnson City, TN 37604, USA; (S.K.T.); (M.H.S.)
| | - Michael H. Stone
- Department of Sport, Exercise, Recreation, and Kinesiology, East Tennessee State University, Johnson City, TN 37604, USA; (S.K.T.); (M.H.S.)
- Center of Excellence for Sport Science and Coach Education, East Tennessee State University, Johnson City, TN 37604, USA
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Ishida A, Travis SK, Stone MH. Associations of Body Composition, Maximum Strength, Power Characteristics with Sprinting, Jumping, and Intermittent Endurance Performance in Male Intercollegiate Soccer Players. J Funct Morphol Kinesiol 2021; 6:jfmk6010007. [PMID: 33462168 PMCID: PMC7838787 DOI: 10.3390/jfmk6010007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/02/2021] [Accepted: 01/05/2021] [Indexed: 01/17/2023] Open
Abstract
The purpose of this study was to determine the relationships between body composition, strength, power characteristics, sprinting, jumping, and intermittent endurance performance in collegiate male players. Twenty-three players participated (19.7 ± 1.6 yrs; 71.8 ± 7.1 kg; 176.5 ± 5.1 cm). Measurements of interest in body composition included body fat percentage (BF%), lean body mass (LBM), and body mass (BM). Power characteristics were measured with an unloaded squat jump (SJ0) and loaded SJ at 20 kg (SJ20) and 40 kg (SJ40), and unloaded countermovement jump (CMJ0). Power assessments included peak power (PP) and PP allometrically scaled (PPa). Strength characteristics were assessed using isometric mid-thigh pull. Strength assessment included isometric peak force (IPF) and IPF allometrically scaled (IPFa). Performance measures included 10m and 20 m sprint time, CMJ0 jump-height, and Yo-Yo intermittent endurance test level 1 distance. Significant correlations ranging from moderate to very large were found for LBM and CMJ jump height (CM0 JH) (p = 0.01, r = 0.50); BF% and sprint times at 10 m (p = 0.03, r = 0.44) and 20 m (p = 0.02, r = 0.50). PP and PPa from SJ0 and CMJ0 were significantly correlated to 10m sprint time (p < 0.05, r = -0.45 to -0.53) and 20 m sprint time (p < 0.05, r = -0.40 to -0.49). Our findings agree with previous literature in that body composition and power characteristics are directly related to soccer-related performance.
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