Competition between individuals permeates people's lives as they strive for limited
resources, services, and status. However, research on competition and competitiveness in …

Background Literature shows mixed evidence about the power of mobile phone applications
to foster physical activity. A systematic integration that offers insights into which mobile …

Motivational characteristics are influential in shaping adolescents' desire to persist in sport
or to discontinue their sport participation. Self-determination theory (Deci & Ryan, 2000) was …

The purpose of the Self-determination Theory is to explain motivation and behaviour based
on individual differences in motivational orientations, contextual influences, and …

The relation between leisure and well-being, including happiness and self-concept, was
examined in 375 children aged 8—12 years. Active leisure (eg physical activity) was …

This study examined the role of competition in exercise video games to promote intrinsic
motivation for exercise. The experiment was a 2 (Competitive exercise context: Competition …

Abstract Weakley, JJS, Wilson, KM, Till, K, Read, DB, Darrall-Jones, J, Roe, GAB, Phibbs,
PJ, and Jones, B. Visual feedback attenuates mean concentric barbell velocity loss and …

Using Scanlan and Lewthwaite's (1986) sport enjoyment model as a conceptual framework,
this study was designed to explore two areas:(a) students' and teachers' perceptions of “fun” …

Background Sedentary work is hazardous. Over 80% of all US jobs are predominantly
sedentary, placing full‐time office workers at increased risk for cardiovascular and metabolic …

El objetivo del estudio es la validación al contexto español de la escala MPAM-R (Motives
for Physical Activity Measure-Revised) de Ryan, Frederick, Lepes, Rubio, y Sheldon,(1997) …