The current study explored whether a multidisciplinary family-based intervention underpinned by self-determination theory could enhance perceptions of parent need support, autonomous motivation, and quality of life in overweight and obese adolescents. Using a staggered-entry waitlist-period control design, adolescents (n = 56) were assessed at baseline and preintervention (within-participant control), immediately following intervention, and at 3, 6, and 12 month follow-ups. Parents were trained in need-supportive behaviors within the broader context of an 8-week multidisciplinary intervention attended jointly with adolescents. Following intervention, significant improvements were demonstrated in adolescent perceptions of parent need support, autonomous motivation, and quality of life, and changes were maintained at the 1-year follow-up. Mediation analyses revealed changes in perceptions of parent need support predicted changes in quality of life indirectly via changes in autonomous motivation. Findings suggest overweight and obese adolescents are likely to benefit from multidisciplinary family-based interventions that aim to train parents in need-supportive behaviors.
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Exploration of the Mechanisms of Change in Constructs From Self-Determination Theory and Quality of Life During a Multidisciplinary Family-Based Intervention for Overweight Adolescents
Ashley A. Fenner, Erin K. Howie, Leon M. Straker, and Martin S. Hagger
“No Days Off”: Using Self-Determination Theory to Better Understand Workaholism in National Collegiate Athletic Association Division I Coaches
Kim Tolentino, Tucker Readdy, and Johannes Raabe
depending on the person and the particular coaching position they hold and are often difficult to change. For this reason, it seems valuable to explore the underlying mechanism(s) that may lead to the development of workaholism. Self-determination theory ( Ryan & Deci, 2017 ) holds promise as a conceptual
Analysis of Motivational Profiles on Sportspersonship Orientations in Secondary School Physical Education Students: A Self-Determination Theory-Based Perspective
Rafael Burgueño, José Macarro-Moreno, Isabel Sánchez-Gallardo, María-Jesús Lirola, and Jesús Medina-Casaubón
building a background of moral meanings and labels ( Vallerand et al., 1996 , 1997 ). Self-determination theory (SDT; Ryan & Deci, 2017 , 2019 )—specifically through the construct of motivation—could be a useful theoretical framework to examine the internalization of sportsmanship orientation in
Determination of Submaximal and Maximal Training Zones From a 3-Stage, Variable-Duration, Perceptually Regulated Track Test
Claire A. Molinari, Florent Palacin, Luc Poinsard, and Véronique L. Billat
10.1139/H08-146 13. Midgley AW , McNaughton LR , Carroll S . Verification phase as a useful tool in the determination of the maximal oxygen uptake of distance runners . Appl Physiol Nutr Metab . 2006 ; 31 ( 5 ): 541 – 548 . PubMed ID: 17111008 doi: 10.1139/h06-023 10.1139/h06-023 17111008
Are Unilateral Devices Valid for Power Output Determination in Cycling? Insights From the Favero Assioma Power Meter
Pedro L. Valenzuela, Almudena Montalvo-Perez, Lidia B. Alejo, Mario Castellanos, Jaime Gil-Cabrera, Eduardo Talavera, Alejandro Lucia, and David Barranco-Gil
knowledge, no evidence exists on whether unilateral pedal power meters provide valid estimates of actual PO. We aimed to analyze the validity of a unilateral pedal power meter for determination of actual bilateral PO during cycling at different PO levels and cadences, using for this purpose the validated
Determination of Body Composition in Community-Dwelling Older Adults With and Without Sarcopenia Using Data From Practical Measures
Sugalya Amatachaya, Pakwipa Chokphukiao, Puttipong Poncumhak, Roongnapa Intaruk, Thiwabhorn Thaweewannakij, and Pipatana Amatachaya
low muscle strength for the determination of sarcopenia in male and female individuals, respectively ( Chen et al., 2020 ). Five Times Sit-to-Stand Test The FTSST is a standard reliability measure (ICC = .950, 95% confidence interval [.890, .970]), with the outcomes reflecting functional lower limb
Determination of a Low Skeletal Muscle Mass Index Using the Mass of the Gluteus Medius in Older Patients With Hip Fractures
Ryo Shiraishi, Keisuke Sato, Nami Shiraishi, Sadao Yoshida, Takahiro Ogawa, and Masaki Suenaga
.M. , & Stein , J. ( 2006 ). Determination of the minimal clinically important difference in the FIM instrument in patients with stroke . Archives of Physical Medicine and Rehabilitation, 87 ( 1 ), 32 – 39 . https://doi.org/10.1016/j.apmr.2005.08.130 Bertram , M. , Norman , R. , Kemp , L. , & Vos
Commitment, Determination Can Advance the Profession
Kent Falb
Objective Biomechanical Determination of Tennis Racket Properties
Herbert Hatze
Several biodynamical properties of tennis rackets such as vibrational characteristics, direction control, and the coefficient of restitution depend critically on the constraining mode of the handle. The racket response to ball impact differs fundamentally for rigid mechanical clamping of the handle and for hand-held gripping. In order to test objectively the biodynamical characteristics of tennis rackets under standardized but biomechanically realistic conditions, the use of a mechano-electronic replica of the human hand/arm system, termed manusimulator, is suggested. Sample test results of the vibrational characteristics of a specific tennis racket and of the coefficients of restitution of several rackets provide proof of the reproducibility and reliability of the test results so obtained. The results were compared with those obtained using human test players. The latter subjective method yielded data with excessively large coefficients of variation around 84% and was found to be unsuitable for determining tennis racket properties objectively. It is concluded that the standardizable manusimulator testing procedure offers a valuable alternative to subjective testing methods for determining tennis racket parameters.
