https://ogma.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:12902 Wed 11 Apr 2018 14:41:34 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:11861 Wed 11 Apr 2018 11:37:13 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:14513 Wed 11 Apr 2018 11:01:59 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:28806 M _age = 13.2 years, SD = 0.4) from 12 secondary schools located in low-income communities. At baseline, participants completed SCT scales related to physical activity (i.e., self-efficacy, intention, parental support, and outcome expectations). At baseline and 12-month follow-up (postintervention), participants wore accelerometers for 7 days. Structural equation modeling was used to determine if Time 1 measures predicted physical activity at 12-month follow-up after adjusting for baseline activity. Results: The model explained 28% and 34% of the variance in physical activity and intention, respectively. Model fit indexes indicated the data were a good fit to the model; however, only self-efficacy was associated with physical activity at 12 months. There was no support for intention or outcome expectations as proximal determinants of behavior. Self-efficacy was associated with outcome expectations and parental support; however, only outcome expectations predicted intention. Conclusions: Current findings indicate a large proportion of the variance for physical activity and intention remains unexplained and that the proposed pathways in the SCT model were not fully supported. Future model testing may need to consider augmentation or integration of theoretical models, which may include ecological components if we are to advance our understanding of physical activity behavior in this subgroup of the adolescent population.]]> Wed 04 Sep 2019 11:33:46 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:14521 Wed 04 Sep 2019 11:33:44 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:18826 Wed 04 Sep 2019 10:59:40 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:14510 Wed 04 Sep 2019 10:52:24 AEST ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:36287 -1. The purpose of this study was to examine the effect of a school-based intervention focused on resistance training (RT) for adolescents. Methods: The "Resistance Training for Teens" intervention was evaluated using a cluster-randomized, controlled trial with 607 adolescents (50.1% girls; 14.1 T 0.5 yr) from 16 secondary schools. Teachers were trained to deliver the intervention, which included the following: (i) an interactive student seminar; (ii) a structured physical activity program, focused on RT; (iii) lunchtime fitness sessions; and (iv) Web-based smartphone apps. The primary outcome was muscular fitness (MF) and secondary outcomes included body mass index, RT skill competency, flexibility, physical activity, self-efficacy, and motivation. Assessments were conducted at baseline, 6 months (postprogram; primary end point), and 12 months (follow-up). Outcomes were assessed using linear mixed models, with three potential moderators tested using interaction terms (and subgroup analyses where appropriate). Results: For the primary outcome (MF), a group-time effect was observed at 6 months for the upper body (2.0 repetitions; 95% confidence interval (CI), 0.8-3.2), but not the lower body (-1.4 cm; 95% CI, -4.7-1.9). At 6 months, there were intervention effects for RT skill competency and self-efficacy, but no other secondary outcomes. Effects for upper body MF and RT skill competency were sustained at 12 months. Despite overall no effect for body mass index, there was a group-time effect at 12 months among students whowere overweight/obese at baseline (-0.55 kg·m^-2; 95% CI, -1.01 to -0.08). Conclusions: The school-based RT intervention resulted in immediate and sustained improvements in upper body MF and RT skill competency, demonstrating an effective and scalable approach to delivering RT within secondary schools.]]> Thu 19 Mar 2020 17:51:33 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:19198 Sat 24 Mar 2018 07:55:00 AEDT ]]> https://ogma.newcastle.edu.au/vital/access/ /manager/Repository/uon:26816 Mon 23 Sep 2019 14:06:26 AEST ]]>