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Examining intrinsic versus extrinsic exercise goals
Grounded in self-determination theory (SDT), this study had two purposes: (a) examine the associations between intrinsic (relative to extrinsic) exercise goal content and cognitive, affective, and behavioral Outcomes: and (b)...
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Development and validation of the adolescent psychological need support in exercise questionnaire
Grounded within self-determination theory (SDT; Deci & Ryan, 2000; Ryan & Deci, in press), three studies were conducted to develop and psychometrically test a measure of adolescents’ perceptions of psychological need...
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Exploring response shift in the quality of life of healthy adolescents over one year.
Background: The assessment of child and adolescent quality of life (QoL) is increasingly incorporated into practice and research within health and social care. However, little is known about the stability of the...
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A theoretical investigation of the development of physical activity habits in retirement

Objectives. This study examined the impact of retirement on physical activity patterns. More specifically, the process of initiating and maintaining behaviour changes in physical activity were explored using a...

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The effects of manipulating goal content and autonomy support climate on outcomes of a PE fitness class
Objectives: The present study tested the potential for manipulating adolescents' goals and motives for participation in a school physical education (PE) lesson, and explored the subsequent outcomes on participant experience....
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A Longitudinal Examination of Thriving in Sport Performers
To sustain success in sport, athletes need to function effectively in their competitive encounters and maintain this level over repeated events. Yet, to date, little is known about how athletes can continue to fully function...
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Examining intrinsic versus extrinsic exercise goals
Grounded in self-determination theory (SDT), this study had two purposes: (a) examine the associations between intrinsic (relative to extrinsic) exercise goal content and cognitive, affective, and behavioral Outcomes: and (b)...
Published by:
Thriving on Pressure

Although considerable research exists on performers' responses to sporting encounters, little is known about thriving in sport contexts. The current study examined if distinct response patterns existed between sport...

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Astronaut Adherence to Exercise-Based Reconditioning
Introduction
Exercise-based reconditioning is essential for mitigating the negative physiological and functional effects of spaceflight. Astronaut adherence to prescribed reconditioning programmes is imperative, but there...
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Supporting behaviour change in sedentary adults via real-time multidimensional physical activity feedback
BACKGROUND:
Increasing physical activity (PA) behaviour remains a public health priority and wearable technology is increasingly being used to support behaviour change efforts. Using wearables to capture and provide...
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The effects of manipulating goal content and autonomy support climate on outcomes of a PE fitness class
Objectives: The present study tested the potential for manipulating adolescents' goals and motives for participation in a school physical education (PE) lesson, and explored the subsequent outcomes on participant experience....
Published by:
Exploring response shift in the quality of life of healthy adolescents over one year.
Background: The assessment of child and adolescent quality of life (QoL) is increasingly incorporated into practice and research within health and social care. However, little is known about the stability of the...
Published by:
What motivates girls to take up exercise during adolescence? Learning from those who succeed

Objectives. The present study explored factors that underpin increased internalization (i.e., perceived autonomy) in motivation towards exercise over a 1-year period in adolescent girls.

Design. A mixed methods...

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Human thriving
Human beings have an inherent drive for self-improvement and growth (Maslow, 1965; Ryan & Deci, 2002). In a quest to understand how human beings achieve fulfillment, researchers have sought to explain why some individuals...
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Astronaut Adherence to Exercise-Based Reconditioning
Introduction
Exercise-based reconditioning is essential for mitigating the negative physiological and functional effects of spaceflight. Astronaut adherence to prescribed reconditioning programmes is imperative, but there...
Published by:
A cluster randomised controlled trial of an intervention to promote healthy lifestyle habits to school leavers
Physical inactivity and a poor diet predict lifestyle diseases such as diabetes, cardiovascular disease, and certain types of cancer. Marked declines in physical activity occur during late adolescence, coinciding with the point...
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