https://nova.newcastle.edu.au/vital/access/ /manager/Index ${session.getAttribute("locale")} 5 https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:48715 Wed 29 Mar 2023 17:03:39 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:52900 Tue 31 Oct 2023 15:46:08 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:34967 Tue 03 Sep 2019 17:57:55 AEST ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:7339 Sat 24 Mar 2018 08:35:12 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:12334 -1 min^-1) performed four treadmill tests consisting of 20-min running at first ventilatory threshold followed by a run to exhaustion at V̇O₂ max velocity in four conditions: 10C° with CG, 10C° without CG, 32C° with CG, and 32C° without CG (randomised, counterbalanced order). Time to exhaustion (TTE), skin and rectal temperature, V̇O₂, heart rate and rating of perceived exertion (RPE) were compared between CG and non-CG conditions at each environmental temperature. TTE was not significantly different between the CG and non-CG conditions at 10C°(158 ± 74 vs. 148 ± 73 s) and 32C°(115 ± 40 vs. 97 ± 33 s); however, there was a small (0.15) and moderate effect size 0.48), respectively, suggestive of an improvement in TTE with CG. Lower limb skin temperature was 1.5C° higher at 10C° with CG (P]]> Sat 24 Mar 2018 08:15:53 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:19495 N = 107 (51 female, 56 male)] and healthy-weight [N = 132 (56 female, 76 male)] 10- to 13-year-old children. Body mass index, body composition (dual energy X-ray absorptiometry), isokinetic/isometric peak KE torques (dynamometry) and physical activity (accelerometry) were assessed. Results revealed that compared with their healthy-weight peers, obese children had higher absolute KE torques (P ≤ 0.005), equivocal KE torques when allometrically normalized for fat-free mass (FFM) (P ≥ 0.448) but lower relative KE torques when allometrically normalized for body mass (P ≤ 0.008). Adjustments for maternal education, income and accelerometry had little impact on group differences, except for isometric KE torques relative to body mass which were no longer significantly lower in obese children (P ≥ 0.013, not significant after controlling for multiple comparisons). Percent body fat was inversely related to KE torques relative to body mass (r = −0.22 to −0.35, P ≤ 0.002), irrespective of maternal education, income or accelerometry. In conclusion, while obese children have higher absolute KE strength and FFM, they have less functional KE strength (relative to mass) available for weight-bearing activities than healthy-weight children. The finding that FFM-normalized KE torques did not differ suggests that the intrinsic contractile properties of the KE muscles are unaffected by obesity. Future research is needed to see if deficits in KE strength relative to mass translate into functional limitations in weight-bearing activities.]]> Sat 24 Mar 2018 08:02:19 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:5515 Sat 24 Mar 2018 07:46:42 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:27449 −1 TYR) at both 5 h and 1 h pre-exercise or a placebo control (PLA; 250 mL sugar free drink only) in a double-blind, randomised, crossover design. Cognitive performance (vigilance and dual-task) and perceived readiness to invest physical effort (RTIPE) and mental effort (RTIME) were assessed: pre-exercise, half-time, end of half-time and immediately post-exercise. Physical performance was assessed using the total distance covered in both halves of iSPT. Results: Positive vigilance responses (HIT) were significantly higher (12.6 ± 1.7 vs 11.5 ± 2.4, p = 0.015) with negative responses (MISS) significantly lower (2.4 ± 1.8 vs 3.5 ± 2.4, p = 0.013) in TYR compared to PLA. RTIME scores were significantly higher in the TYR trial when compared to PLA (6.7 ± 1.2 vs 5.9 ± 1.2, p = 0.039). TYR had no significant (p > 0.05) influence on any other cognitive or physical performance measure. Conclusion: The results show that TYR ingestion is associated with improved vigilance and RTIME when exposed to individualised soccer-specific exercise (iSPT) in a warm environment. This suggests that increasing the availability of TYR may improve cognitive function during exposure to exercise-heat stress.]]> Sat 24 Mar 2018 07:32:45 AEDT ]]> https://nova.newcastle.edu.au/vital/access/ /manager/Repository/uon:50295 Sat 15 Jul 2023 11:43:00 AEST ]]>