Publications by authors named "Yahya Al-Nakeeb"

This project examined the lifestyle, health habits and risk factors of young adults at Qatar University. It explored the clustering and differences in dietary habits, body mass index (BMI) and physical activity (PA) amongst male and female students, both Qatari and non-Qatari. Seven hundred thirty two students aged 18-25 years completed a self-reported questionnaire and an objective measure of BMI.

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Objectives: To compare the anthropometric and lifestyle characteristics of active and inactive adolescents in Saudi Arabia and Britain.

Methods: A school-based cross-sectional study was conducted at four cities in Saudi Arabia (Riyadh and Al-Khobar; N = 1,648) and Britain (Birmingham and Coventry; N = 1,158). The participants (14- to 18-year-olds) were randomly selected using a multistage stratified cluster sampling.

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Background: Active school commuting is widely regarded as a key opportunity for youth to participate in physical activity (PA). However, the accurate measurement of the commute home from school and its contribution to total free-living moderate-to-vigorous PA (MVPA) is relatively unexplored.

Methods: Seventy-five adolescents (38 males, 37 females) wore an integrated GPS and heart rate device during after-school hours for 4 consecutive weekdays.

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This study investigated the cross-cultural differences and similarity in health behaviors between Saudi and British adolescents. A school-based cross-sectional study was conducted at four cities in Saudi Arabia (Riyadh and Al-Khobar; N = 1,648) and Britain (Birmingham and Coventry; N = 1,158). The participants (14-18 year-olds) were randomly selected using a multistage stratified cluster sampling technique.

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Exploring the effects of fatigue on skilled performance in tennis presents a significant challenge to the researcher with respect to ecological validity. This study examined the effects of moderate and high-intensity fatigue on groundstroke accuracy in expert and non-expert tennis players. The research also explored whether the effects of fatigue are the same regardless of gender and player's achievement motivation characteristics.

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Background: This study sought to compare the utility of either inverted body mass index or body mass index to optimise the relationship with body esteem in young adolescents Design: The study was cross sectional in design and assessed body esteem and weight status in 756 young adolescents (394 boys, 362 girls, mean age ± S.D. 11.

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The built environment in which young people live has a significant influence on their physical activity (PA). However, little is known regarding how youth from suburban and rural settings utilise their surrounding environments to participate in free-living PA. 50 adolescents aged 13-14 years old (22 rural; 28 suburban) wore an integrated GPS and heart rate device during non-school hours and completed a daily PA diary over 7 days.

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This study explores differences in weight status, obesity and patterns of physical activity (PA) in relation to gender and age of youth from two culturally, environmentally and geographically diverse countries, the United Kingdom (UK) and Saudi Arabia (SA). A total of 2,290 males and females (15-17 years) volunteered to participate in this study. Participants completed a validated self-report questionnaire that contained 47 items relating to patterns of PA, sedentary activity and eating habits.

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Purpose. The aims of this study were to explore the lifestyle of young people living in Al-Ahsa Governorate; to investigate differences due to gender, age, school type, and geographical location. Methods.

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The built environment may influence physical activity (PA) behaviour in young people. However, there is a dearth of data examining this issue in young people which considers weight status, physical activity, and environmental perceptions in the same analysis. Four hundred and five Year 10 pupils (223 boys, 182 girls, mean age ±   S.

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Aims: To assess ambulatory physical activity in white and south Asian children from Central England and to examine variation in activity between weekdays and weekends.

Methods: 536 primary school children [255 boys and 281 girls, mean age (SD) = 9.6 (1.

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Objective: Unhealthy lifestyle behaviours have been identified as a problem amongst students. This present study investigated the prevalence and clustering of five lifestyle risk factors within a UK Higher Education (HE) institution during the period of April-May in 2008.

Method: In a cross-sectional design, 410 students completed a 'health and lifestyle' survey.

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Objective: To cross-sectionally assess weekend to weekday variation of physical activity in British children and to consider the role of Body Mass Index (BMI, W/H(2)) and Lean Body Mass Index (LBMI, H(2)/W) when examining this issue.

Methods: A total of 496 children aged 8-14 years, were measured for height and weight and the activity levels were analysed using pedometers to measure mean step counts for 4 consecutive days (2 weekdays, 2 weekend days).

Results: Boys had significantly lower BMI than girls.

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Research examining the impact of physical activity on children's body image has been limited and equivocal. The current researchers examined the effect of 6-week circuit-based training on body esteem and body mass index (BMI) in 68 British children (34 boys and 34 girls, aged 10-11 years, 16% overweight, 7% obese). The Body Esteem Scale for Children (BES-C) was administered to both the intervention group and control group, pre, post and 6 weeks post the intervention.

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The purpose of this study was to compare physical activity levels between white and South Asian children in the UK. The data were obtained from 606, 11-14 year old schoolchildren (397 white; 209 Asian). Physical activity was assessed using the 'four by one day' recall questionnaire from which the time spent in moderate and vigorous physical activity was calculated.

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The aim of the study was to examine the relationship between body esteem and body fat in British school children. Two hundred and seventy seven, 11-14-year-old children from central England took part in the study. Body esteem was measured using the Body Esteem Scale for children and percent body fat was determined by skin-fold measures.

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Objectives: The present study examined the relationship among body dissatisfaction, body fat and physical activity in British children from different ethnic groups.

Methods: Two hundred and seventy-six 11-14 year-old males and females (12.5 +0.

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Background: The decline in physical activity levels of young children seems to be combined with a high prevalence of obesity and overweight and a reduction in the participation in organized sport. With the ever-increasing interest in exploring the relationship between physical activity and obesity amongst children, it is important to provide a more precise estimate of both physical activity and body fatness. A significant proportion of previous research on this topic has relied on self-report methods to assess physical activity and body mass index as a proxy for actual body fatness.

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Objective: To assess ambulatory physical activity in school children from central England, to examine any variation in activity between weekdays and weekends and to determine the percentage of children meeting recently identified cut-off steps/day for health.

Method: 208 British primary school children (101 boys and 107 girls, mean age 9.3+/-0.

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This study examined the relationship between ratings of perceived exertion and muscle activity during dynamic leg extension exercise using a resistance exercise specific OMNI-RPE scale. Twenty volunteers (10 males, 10 females, age 22.2 +/- 3.

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Despite the acknowledged importance of fatigue on performance, ecologically sound studies investigating fatigue and its effects on sport-specific skills are surprisingly limited. The aim of this study was to investigate the effects of moderate and high-intensity localized muscle fatigue on passing performance in soccer. Twenty physically active male college students (age, 22.

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This study examined the influence of familiarization with the backward, overhead medicine ball throw test of explosive power. Male rugby players (N = 28) aged 15 to 16 (M +/- SD = 15.1 +/- 0.

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MuayThai is a combat sport with a growing international profile but limited research conducted into judging practices and processes. Problems with judging of other subjectively judged combat sports have caused controversy at major international tournaments that have resulted in changes to scoring methods. Nationalistic bias has been central to these problems and has been identified across a range of sports.

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Unlabelled: Despite the acknowledged importance of fatigue on performance in sport, ecologically sound studies investigating fatigue and its effects on sport-specific skills are surprisingly rare. The aim of this study was to investigate the effect of moderate and high intensity total body fatigue on passing accuracy in expert and novice basketball players. Ten novice basketball players (age: 23.

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The present study investigated test-retest variation in Body Image Questionnaire scores among a sample of British school children. 112 participants from three different school years (aged 12 to 14 years) completed the Body Image Questionnaire on two occasions separated by a 6-wk. period.

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