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Duncan, Michael Joseph / Martins, Ricardo Manuel Gonçalves / Eyre, Emma Lisa Jane

2022 Volume 9, Issue 10

Abstract: Although strength and conditioning is beneficial and safe for children to engage in there remain myths and misconceptions form parents regarding its use which prevent its widespread take up. This study explored parents' attitudes and beliefs about ... ...

Abstract	Although strength and conditioning is beneficial and safe for children to engage in there remain myths and misconceptions form parents regarding its use which prevent its widespread take up. This study explored parents' attitudes and beliefs about strength and conditioning in their children. Thirty-one parents (21 dads, 10 mums) took part in one of four focus groups exploring the topic. Thematic analysis was used resulting in themes and sub themes centred on: Beliefs; Determinants; Coach Education; Coach Communication; and Relationship to the Game. There were also smaller aspects of the focus groups which touched upon autonomy as a concept related to implementation of strength and conditioning specifically. Overall, parents of children who play grassroots sport hold generally positive perceptions on use of strength and conditioning with their children, considering it beneficial for both physical and mental development. Key factors relating to successful implementation of strength and conditioning for children focus on having a qualified coach in that particular area (rather than a generic sports coach), effective communication between coach and parents, and coach and children in terms of the benefits of engaging with strength and conditioning.
Language	English
Publishing date	2022-10-14
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2732685-8
ISSN	2227-9067
ISSN	2227-9067
DOI	10.3390/children9101557
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: The emergence of age-related deterioration in dynamic, but not quiet standing balance abilities among healthy middle-aged adults.

Hill, Mathew William / Duncan, Michael Joseph / Price, Michael James

Experimental gerontology

2020 Volume 140, Page(s) 111076

Abstract: The purpose of the present study was to quantify differences in lower extremity reach performance, static posturography and gait outcomes between young (20-39 years), middle-aged (40-59 years) and older (60-79 years) adults using identical tests and ... ...

Abstract	The purpose of the present study was to quantify differences in lower extremity reach performance, static posturography and gait outcomes between young (20-39 years), middle-aged (40-59 years) and older (60-79 years) adults using identical tests and parameters. This was a cross-sectional study with three parallel groups (young [20-39 years] vs. intermediate [40-59 years] vs. older [60-79 years] adults). In a randomised order each participant completed: (i) static posturography, (ii) lower extremity reach performance, and (iii) gait assessment. Changes in balance between age groups were analysed using analysis of variance (ANOVA). Additionally, correlational analysis was used to identify relationships between age and outcome measures. Centre of pressure (COP) movement was greater in older compared to intermediate-aged (d = 0.50-2.40) and young (d = 0.54-2.61) adults (p < 0.001). Reduced lower extremity reach distance was found in older compared to intermediate-aged (d = 1.28-3.60) and young (d = 2.09-3.87) adults (p < 0.001), while young adults demonstrated greater reach distances than intermediate (d = 0.64-1.74) aged adults (p < 0.001). Correlational analysis revealed moderate to strong positive correlations between age across the adult life span (20-79 years) for all COP metrics and lower extremity reach outcomes. When correlational analyses were performed only in the young and middle-aged groups (20-59 years), coefficients were weak and not significant for the COP, but remained moderate for lower extremity reach performance. Lower extremity reach performance reveals earlier age-related declines in postural stability that are not evident during quiet standing tasks of varying difficulty. These findings should contribute to the early identification of potential balance deficits in those where balance problems do not yet exist, which will assist clinical decision making with respect to timely implementation of fall prevention strategies.
MeSH term(s)	Accidental Falls/prevention & control ; Aged ; Cross-Sectional Studies ; Gait ; Humans ; Middle Aged ; Movement ; Postural Balance
Language	English
Publishing date	2020-08-27
Publishing country	England
Document type	Journal Article
ZDB-ID	390992-x
ISSN	1873-6815 ; 0531-5565
ISSN (online)	1873-6815
ISSN	0531-5565
DOI	10.1016/j.exger.2020.111076
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Article ; Online: School-Time Movement Behaviors and Fundamental Movement Skills in Preschoolers: An Isotemporal Reallocation Analysis.

Martins, Clarice Maria de Lucena / Clark, Cain Craig Truman / Tassitano, Rafael Miranda / Filho, Anastácio Neco de Souza / Gaya, Anelise Reis / Duncan, Michael Joseph

Perceptual and motor skills

2021 Volume 128, Issue 4, Page(s) 1317–1336

Abstract: Little is known of how reallocations of time spent in different movement behaviors during preschool might relate to preschoolers' fundamental movement skills (FMS), a key predictor of later physical activity (PA). Thus, the aim of this study was to ... ...

Abstract	Little is known of how reallocations of time spent in different movement behaviors during preschool might relate to preschoolers' fundamental movement skills (FMS), a key predictor of later physical activity (PA). Thus, the aim of this study was to examine (a) whether preschoolers' school-time movement was associated with their FMS and (b) the effects on FMS of reallocating time between PA and sedentary behavior (SB). This was a cross-sectional study, using intervention data with Brazilian low-income preschoolers. We observed Brazilian preschoolers of both sexes (
Language	English
Publishing date	2021-05-02
Publishing country	United States
Document type	Journal Article
ZDB-ID	204507-2
ISSN	1558-688X ; 0031-5125
ISSN (online)	1558-688X
ISSN	0031-5125
DOI	10.1177/00315125211013196
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Article ; Online: A Network Perspective on the Relationship between Screen Time, Executive Function, and Fundamental Motor Skills among Preschoolers.

Martins, Clarice Maria de Lucena / Bandeira, Paulo Felipe Ribeiro / Lemos, Natália Batista Albuquerque Goulart / Bezerra, Thaynã Alves / Clark, Cain Craig Truman / Mota, Jorge / Duncan, Michael Joseph

International journal of environmental research and public health

2020 Volume 17, Issue 23

Abstract: The present study aimed to analyze the dynamic and nonlinear association between screen time, executive function (EF), and fundamental motor skills (FMS) in preschoolers, considering sex and body mass index (BMI) from a network perspective. Forty-two ... ...

Abstract	The present study aimed to analyze the dynamic and nonlinear association between screen time, executive function (EF), and fundamental motor skills (FMS) in preschoolers, considering sex and body mass index (BMI) from a network perspective. Forty-two preschoolers (24 boys, 3.91 ± 0.77 years old) provided screen time, EF, FMS, and BMI data. EF was measured using the Go/No Go task, and accuracy of Go (sustain attention), reaction time of Go, and accuracy of No Go (inhibitory control) were considered. Relationships between screen time, EF, FMS, sex, and BMI were explored using a network analysis. The emerged network highlights that screen time is intensely associated with the other variables in the network, while the accuracy of Go has the greater connectivity with other nodes in the network (2.27), being the most sensitive to potential intervention changes. Moreover, sex (1.74), screen time (0.93), and accuracy of Go (0.71) showed the greatest closeness. This study showed that in the emerged network, independent of sex, screen exposure affects the accuracy on Go task, and these components affect the variables in the network, as motor abilities and tasks involved in inhibitory control.
MeSH term(s)	Child, Preschool ; Cognition ; Executive Function ; Female ; Humans ; Male ; Motor Skills ; Reaction Time ; Screen Time
Language	English
Publishing date	2020-11-28
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2175195-X
ISSN	1660-4601 ; 1661-7827
ISSN (online)	1660-4601
ISSN	1661-7827
DOI	10.3390/ijerph17238861
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Article ; Online: Association between Compliance with the 24-Hour Movement Guidelines and Fundamental Movement Skills in Preschoolers: A Network Perspective.

Lucena Martins, Clarice Maria de / Clark, Cain Craig Truman / Ribeiro Bandeira, Paulo Felipe / Mota, Jorge / Duncan, Michael Joseph

International journal of environmental research and public health

2020 Volume 17, Issue 15

Abstract: The present study aimed to analyze the compliance with the 24-h movement guidelines and its association with fundamental motor skills (FMS) in early childhood, considering sex and Body Mass Index (BMI) in a network perspective. Two hundred and twelve ... ...

Abstract	The present study aimed to analyze the compliance with the 24-h movement guidelines and its association with fundamental motor skills (FMS) in early childhood, considering sex and Body Mass Index (BMI) in a network perspective. Two hundred and twelve preschoolers (109 boys, 4.45 ± 0.78 years old) provided physical activity (PA), sleep duration, screen time, fundamental motor skills (FMS) and BMI data. Relationships between compliance with movement behaviors guidelines, FMS, sex and BMI were calculated using a network analysis. Only two percent of the entire sample complied with the overall 24-h movement behaviors recommendations; while the emerged network in the present study emphasized ball skills as the most critical centrality variable, according to age, reinforcing the importance of ball skills for the engagement and maintenance of PA in children. The present study presents a novel statistical and theoretical perspective that permits hitherto unseen insight into the associations between movement behavior, FMS and their correlates, that appropriately consider the inherent, multifaceted, complexity of these relationships.
MeSH term(s)	Body Mass Index ; Child, Preschool ; Exercise ; Female ; Humans ; Male ; Motor Skills ; Movement ; Screen Time
Language	English
Publishing date	2020-07-28
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2175195-X
ISSN	1660-4601 ; 1661-7827
ISSN (online)	1660-4601
ISSN	1661-7827
DOI	10.3390/ijerph17155443
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Article ; Online: A Network Perspective on the Relationship Between Moderate to Vigorous Physical Activity and Fundamental Motor Skills in Early Childhood.

Bezerra, Thaynã Alves / Bandeira, Paulo Felipe Ribeiro / de Souza Filho, Anastácio Neco / Clark, Cain Craig Truman / Mota, Jorge Augusto Pinto Silva / Duncan, Michael Joseph / de Lucena Martins, Clarice Maria

Journal of physical activity & health

2021 Volume 18, Issue 7, Page(s) 774–781

Abstract: Background: The relationship between moderate to vigorous physical activity (MVPA) and fundamental motor skill (FMS) is inconsistent in early childhood, due to its complex and nonlinear characteristics. This study aimed to analyze the nonlinear ... ...

Abstract	Background: The relationship between moderate to vigorous physical activity (MVPA) and fundamental motor skill (FMS) is inconsistent in early childhood, due to its complex and nonlinear characteristics. This study aimed to analyze the nonlinear relationships between MVPA, FMS, body mass index (BMI), sex, and age in preschoolers. Methods: This cross-sectional study with preschoolers (n = 204; 4.0 [0.8] y old; 99 boys), provided objective physical activity data, FMS assessments, and BMI. The associations between MVPA, FMS, BMI, sex, and age were explored using the network analysis (RStudio and qgraph). Results: Boys were more motor competent than girls in all FMS skills, while girls were more active than boys during the weekend. Older children were less active than their younger peers during these days. MVPA is weak and differently related to each FMS, and the leap skill emerged with the highest betweenness and strength values in the network. Conclusions: For the assessed preschoolers, when considering BMI, age, and sex, the relationships between MVPA and FMS are inconsistent, and leap emerged as the main variable. During early childhood, these variables are connected as part of a complex system in which each skill has a dynamic role within the emerging pattern.
MeSH term(s)	Adolescent ; Body Mass Index ; Child ; Child, Preschool ; Cross-Sectional Studies ; Exercise ; Female ; Humans ; Male ; Motor Skills ; Peer Group
Language	English
Publishing date	2021-05-25
Publishing country	United States
Document type	Journal Article
ISSN	1543-5474
ISSN (online)	1543-5474
DOI	10.1123/jpah.2020-0218
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Article: Sleep as a Priority: 24-Hour Movement Guidelines and Mental Health of Chinese College Students during the COVID-19 Pandemic.

Liang, Kaixin / de Lucena Martins, Clarice Maria / Chen, Si-Tong / Clark, Cain Craig Truman / Duncan, Michael Joseph / Bu, He / Huang, Liuyue / Chi, Xinli

Healthcare (Basel, Switzerland)

2021 Volume 9, Issue 9

Abstract: Research on the combined role of 24-hour movement behaviors (sleep, sedentary behavior [SB], and physical activity) in adult mental health, though important, is in its infancy. In the context of Canadian 24-hour movement guidelines integrating ... ...

Abstract	Research on the combined role of 24-hour movement behaviors (sleep, sedentary behavior [SB], and physical activity) in adult mental health, though important, is in its infancy. In the context of Canadian 24-hour movement guidelines integrating quantitative recommendations for sleep, SB, and moderate-to-vigorous physical activity (MVPA), this study aimed to examine the associations between meeting guidelines and mental health among college students. The study used a cross-sectional sample of 1846 Chinese college students surveyed online in August 2020. Through network analysis and multivariate analysis of covariance, the individual and combined associations between meeting 24-hour movement guidelines and the levels of depression and anxiety after adjusting sociodemographic factors were analyzed. Results indicated that meeting the sleep guideline had stronger associations with depression and anxiety than meeting the SB or MVPA guideline. Specifically, compared to meeting no guidelines, meeting the sleep guideline (alone or in combination with other guidelines) was associated with significantly lower levels of depression and anxiety; meeting both SB and MVPA guidelines was also associated with a significantly lower level of depression. Hence, meeting more guidelines, especially adhering to a healthy sleep routine, may play an important role in promoting the mental health of young adults.
Language	English
Publishing date	2021-09-06
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2721009-1
ISSN	2227-9032
ISSN	2227-9032
DOI	10.3390/healthcare9091166
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Article ; Online: 24-hour movement behaviour and executive function in preschoolers: A compositional and isotemporal reallocation analysis.

Bezerra, Thaynã Alves / Clark, Cain Craig Truman / Souza Filho, Anastácio Neco De / Fortes, Leonardo De Souza / Mota, Jorge Augusto Pinto Silva / Duncan, Michael Joseph / Martins, Clarice Maria De Lucena

European journal of sport science

2020 Volume 21, Issue 7, Page(s) 1064–1072

Abstract: Adherence to healthy behaviours promotes several health benefits in preschool children, including executive function (EF). Recently, the predictive power of the 24-hour movement behaviour (24 h MB) composition on health outcomes has been evidenced; ... ...

Abstract	Adherence to healthy behaviours promotes several health benefits in preschool children, including executive function (EF). Recently, the predictive power of the 24-hour movement behaviour (24 h MB) composition on health outcomes has been evidenced; however, its relationship with EF in preschoolers is unknown. Thus, the present study had two objectives: (1) to analyse the associations between the 24 h MB composition and EF of preschoolers; and (2) to investigate the theoretical changes in EF when time in different movement behaviours is reallocated. This cross-sectional study was carried out with 123 preschoolers (3-5 years old) of low socioeconomic status. Physical activity (PA) and sedentary behaviour were assessed using an accelerometer for 7 days, sleep time was obtained through interviews with parents, and EF was measured using the Early Tool Box battery. To verify the association between 24 h MB and EF, compositional data analysis was used, and for time reallocation, compositional isotemporal substitution analysis was utilized. It was observed that the 24 h MB composition was positively associated with EF (
MeSH term(s)	Accelerometry ; Child Behavior/physiology ; Child, Preschool ; Cross-Sectional Studies ; Executive Function ; Exercise/physiology ; Exercise/psychology ; Female ; Humans ; Male ; Movement ; Sedentary Behavior ; Social Class
Language	English
Publishing date	2020-08-17
Publishing country	England
Document type	Journal Article
ISSN	1536-7290
ISSN (online)	1536-7290
DOI	10.1080/17461391.2020.1795274
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Article ; Online: Twenty-four-hour movement behaviours and fundamental movement skills in preschool children: A compositional and isotemporal substitution analysis.

Mota, Jéssica Gomes / Clark, Cain Craig Truman / Bezerra, Thaynã Alves / Lemos, Luís / Reuter, Cézane Priscilla / Mota, Jorge Augusto Pinto Silva / Duncan, Michael Joseph / Martins, Clarice Maria De Lucena

Journal of sports sciences

2020 Volume 38, Issue 18, Page(s) 2071–2079

Abstract: Studies that have analysed the association between the different movement behaviours and fundamental movement skills (FMS) have considered it in an independent manner, disregarding the compositional nature of 24-h movement behaviours (24-h MB). The aim ... ...

Abstract	Studies that have analysed the association between the different movement behaviours and fundamental movement skills (FMS) have considered it in an independent manner, disregarding the compositional nature of 24-h movement behaviours (24-h MB). The aim of this study was to investigate the relationship between the 24-h MB and FMS in preschoolers using a compositional data analysis . Two hundred and four preschoolers (4.5 ± 0.8 years old; 101 boys) provided objectively assessed physical activity (PA) and sedentary behaviour (SB) data (Actigraph wGT3X), and FMS (TGMD-2). Sleep duration (SD) was reported by parents. Association of daily composition of movement behaviours with FMS was explored using compositional analysis and isotemporal substitution (R Core Team, 3.6.1). When considered as a 24-h MB composition (PA, SB and SD), adjusted for age, BMI and sex, the composition predicted locomotor (r
MeSH term(s)	Accelerometry/methods ; Brazil ; Child Development/physiology ; Child, Preschool ; Cross-Sectional Studies ; Data Interpretation, Statistical ; Exercise/physiology ; Female ; Fitness Trackers ; Humans ; Male ; Motor Skills/physiology ; Movement/physiology ; Poverty ; Sedentary Behavior ; Sleep ; Time Factors
Language	English
Publishing date	2020-06-07
Publishing country	England
Document type	Journal Article
ZDB-ID	995528-8
ISSN	1466-447X ; 0264-0414
ISSN (online)	1466-447X
ISSN	0264-0414
DOI	10.1080/02640414.2020.1770415
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Article ; Online: Physical activity patterns of ethnic children from low socio-economic environments within the UK.

Eyre, Emma Lisa Jane / Duncan, Michael Joseph / Birch, Samantha Louise / Cox, Valerie / Blackett, Matthew

Journal of sports sciences

2015 Volume 33, Issue 3, Page(s) 232–242

Abstract: Many children fail to meet physical activity (PA) guidelines for health benefits. PA behaviours are complex and depend on numerous interrelated factors. The study aims to develop current understanding of how children from low Socio-economic environments ... ...

Abstract	Many children fail to meet physical activity (PA) guidelines for health benefits. PA behaviours are complex and depend on numerous interrelated factors. The study aims to develop current understanding of how children from low Socio-economic environments within the UK use their surrounding built environments for PA by using advanced technology. The environment was assessed in 96 school children (7-9 years) using global positioning system (GPS) monitoring (Garmin Forerunner, 305). In a subsample of 46 children, the environment and PA were assessed using an integrated GPS and heart rate monitor. The percentage of time spent indoor, outdoor, in green and non-green environments along with time spent in moderate-to-vigorous PA (MVPA) in indoor and outdoor environments were assessed. A 2-by-2 repeated measures analysis of covariance, controlling for body mass index, BF%, assessed the environmental differences. The findings show that 42% of children from deprived wards of Coventry fail to meet PA guidelines, of which 43% was accumulated during school. Children engaged in more MVPA outdoor than indoor environments (P < 0.01) and a greater amount of time was spent in non-green environments (P < 0.01). Increased time outdoors was negatively associated with BF%. In conclusion, outdoor environments are important for health-enhancing PA and reducing fatness in deprived and ethnic children.
MeSH term(s)	Adiposity ; Anthropometry ; Child ; Ethnic Groups ; Exercise/physiology ; Geographic Information Systems ; Heart Rate ; Humans ; Male ; Obesity/epidemiology ; Overweight/epidemiology ; Residence Characteristics ; Sex Factors ; Social Class ; Time Factors ; United Kingdom/epidemiology
Language	English
Publishing date	2015
Publishing country	England
Document type	Journal Article ; Observational Study
ZDB-ID	995528-8
ISSN	1466-447X ; 0264-0414
ISSN (online)	1466-447X
ISSN	0264-0414
DOI	10.1080/02640414.2014.934706
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