User profiles for "author:Tim Olds"

Tim Olds

Professor, University of South Australia
Verified email at unisa.edu.au
Cited by 42981

Secular trends in the performance of children and adolescents (1980–2000) an analysis of 55 studies of the 20m shuttle run test in 11 countries

GR Tomkinson, LA Léger, TS Olds, G Cazorla - Sports Medicine, 2003 - Springer
It is widely believed that the performance of children and adolescents on aerobic fitness
tests is declining. To test this hypothesis, this meta-analysis compared the results of 55 …

Evidence that the prevalence of childhood overweight is plateauing: data from nine countries

TIM Olds, C Maher, SHI Zumin… - … journal of pediatric …, 2011 - Wiley Online Library
Until quite recently, there has been a widespread belief in the popular media and scientific
literature that the prevalence of childhood obesity is rapidly increasing. However, high …

Health-related quality of life in obese children and adolescents

MD Tsiros, T Olds, JD Buckley, P Grimshaw… - International journal of …, 2009 - nature.com
Objective: This review addresses the effect of overweight and obese weight status on
pediatric health-related quality of life (HRQOL). Method: Web of Science, Medline, CINAHL …

[BOOK][B] Anthropometrica: a textbook of body measurement for sports and health courses

K Norton, T Olds - 1996 - books.google.com
A core textbook for sports science and human movement courses. Describes measurement
techniques, and covers the interpretation and analysis of data and the applications of …

[HTML][HTML] Development of a compendium of energy expenditures for youth

K Ridley, BE Ainsworth, TS Olds - International Journal of Behavioral …, 2008 - Springer
Background This paper presents a Compendium of Energy Expenditures for use in scoring
physical activity questionnaires and estimating energy expenditure levels in youth …

[HTML][HTML] The validity of consumer-level, activity monitors in healthy adults worn in free-living conditions: a cross-sectional study

T Ferguson, AV Rowlands, T Olds, C Maher - International journal of …, 2015 - Springer
Background Technological advances have seen a burgeoning industry for accelerometer-
based wearable activity monitors targeted at the consumer market. The purpose of this study …

Relationship between adiposity and body size reveals limitations of BMI

AM Nevill, AD Stewart, T Olds… - American Journal of …, 2006 - Wiley Online Library
The aims of this study were to assess 1) whether the stature‐adjusted body mass index
(BMI) is a valid proxy for adiposity across both athletic and nonathletic populations, and 2) …

Morphological evolution of athletes over the 20th century: causes and consequences

K Norton, T Olds - Sports medicine, 2001 - Springer
Over the course of the past century it has become increasingly difficult to find athletes of the
size and shape required to compete successfully at the highest level. Sport is Darwinian in …

Physical and sedentary activity in adolescents with cerebral palsy

CA Maher, MT Williams, T Olds… - … Medicine & Child …, 2007 - Wiley Online Library
Participation in regular physical activity (PA) provides health, psychological, and
physiological benefits for people with and without a physical disability. This study …

[HTML][HTML] The international study of childhood obesity, lifestyle and the environment (ISCOLE): design and methods

PT Katzmarzyk, TV Barreira, ST Broyles… - BMC public health, 2013 - Springer
Background The primary aim of the International Study of Childhood Obesity, Lifestyle and
the Environment (ISCOLE) was to determine the relationships between lifestyle behaviours …