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The Ergon Technique is more effective compared to foam rolling and stretching, irrespective of the application site. 2020©by the Society of Physical Therapy Science. Published by IPEC Inc.[Purpose] While there is a need for reliable field tests for the evaluation of physical fitness in pediatric obesity, the present work i) evaluates the validity of the Spartacus 15-15 test in indirectly assessing maximal aerobic capacity in adolescents with obesity and ii) evaluates its sensibility to weight loss. [Participants and Methods] Fifty-five 11-16 year-old adolescents with obesity (Tanner 3-4) were enrolled in a 12-week weight-management intervention. Maximal Aerobic fitness (VO2peak test + Spartacus test) and body composition (Dual X-ray absorptiometry) were assessed at baseline and after 12 weeks. [Results] Moderate correlations were found at baseline between VO2peak (2,231.90 ± 465.6 mL/min) and Spartacus stage (6.83 ± 1.8 stage, r=0.52; p≤0.05), speed (12.85 ± 1.8 km/h, r=0.52 ; p≤0.05) and time (20.6 ± 5.4 min; r=0.50; p≤0.05). The intervention favored significant improvements for VO2peak, Spartacus Rate of Perceived Exertion final stage, maximal speed and time. Change over time in VO2peak and Spartacus variables were not correlated. [Conclusion] The Spartacus test can be used as a proxy for VO2peak at baseline and can be used to estimate VO2peak using the proposed equation. The Spartacus 15-15 test might be a better indicator for changes in functional capacity than an indicator of VO2peak changes in youth with obesity. 2020©by the Society of Physical Therapy Science. Published by IPEC Inc.[Purpose] The present study aimed to determine the effects of eccentric calf raise exercise, which has the characteristics of plyometric training, on the fascicle length and muscle thickness of the gastrocnemius medialis muscle and range of motion of the ankle using ultrasonography. [Participants and Methods] Twenty-one healthy volunteers were randomly assigned to the eccentric calf raise exercise group or normal calf raise exercise group. Measurements were performed before training and at 3, 6, 9, and 12 weeks after training. [Results] In the eccentric calf raise exercise group, the fascicle length significantly increased after 6 weeks compared to that at baseline and at 3 weeks after training. The dorsiflexion angle and muscle thickness after three weeks significantly increased compared to that at baseline, but the pennation angle was not significantly different. The fascicle length, pennation angle, dorsiflexion angle, and muscle thickness showed no significant difference at all time points in the NCR group. [Conclusion] The results of this study showed that continued stretching of the gastrocnemius medialis muscle during eccentric calf raise exercise enhanced the morphological structures, such as the a fascicle length and muscle thickness. Eccentric calf raise exercise training may aid in injury prevention. 2020©by the Society of Physical Therapy Science. Published by IPEC Inc.[Purpose] The present study aimed to investigate whether self-paced walking training utilizing the facilitating effect of skin cooling with menthol gel application was effective in untrained older healthy females. [Participants and Methods] Forty-two untrained healthy older females (aged 60-69 years) were divided into the following three groups (i) Walking training with menthol group GM, (ii) Walking training group GW, and (iii) Control group GC. The participants in GM and GW performed self-paced walking for 30 minutes a day, 2 times a week, for 6 weeks. Menthol gel was applied to the front of the thigh of the participants in GM. Maximal voluntary contraction and rate of force development were measured pre- and post-training and walking speed was measured during the training. [https://www.selleckchem.com/products/Everolimus(RAD001).html see more] The number of steps taken and walking speed in daily activity were measured and the average of these parameters per day were calculated. [Results] The main findings were [1] knee extension muscle strength increased in GM and GW, and [2] rate of force development only improved in GM. [Conclusion] These results suggest that walking training utilizing the facilitating effect of skin cooling enhances muscle function in untrained older healthy females and that the present skin cooling method with menthol gel application may be recommended as a training strategy. 2020©by the Society of Physical Therapy Science. Published by IPEC Inc.[Purpose] The mortality rate increases when peak oxygen uptake is less than 5 metabolic equivalents, and peak oxygen uptake correlates with knee extensor muscle strength. This study aimed to determine the knee extensor muscle strength at peak oxygen uptake corresponding to 5 metabolic equivalents. [Participants and Methods] We enrolled 45 consecutive patients (29 males and 16 females; average age, 63.6 ± 13.7 years) with heart disease receiving outpatient rehabilitation with us. We performed cardiopulmonary exercise testing with a bicycle ergometer to measure peak oxygen uptake. We investigated the relationship between peak oxygen uptake and isometric knee extensor muscle strength divided by the body weight (kgf/kg). The cutoff value for knee extensor muscle strength with peak oxygen uptake corresponding to 5 metabolic equivalents was calculated. [Results] Knee extensor muscle strength was significantly positively associated with peak oxygen uptake. The cutoff value for knee extensor muscle strength at peak oxygen uptake corresponding to 5 metabolic equivalents was 0.46 kgf/kg. [Conclusion] In this study, the cutoff value for knee extensor muscle strength for achieving peak oxygen uptake corresponding to 5 metabolic equivalents in patients with heart disease was 0.46kgf/kg. 2020©by the Society of Physical Therapy Science. Published by IPEC Inc.[Purpose] The purpose of this study is to examine the effects of dynamic exercise utilizing the proprioceptive neuromuscular facilitation patterns accompanied by the abdomen drawing-in on balance of healthy adults. [Participants and Methods] The total number of participants was 30, and 15 were randomly placed in the training group (TG) and 15 in the control group (CG). The participants in the TG have conducted the 3 sets to 5 sets of dynamic exercise utilizing the proprioceptive neuromuscular facilitation patterns per day, 3 times a week for 6 weeks. The balance was measured by the Terax, a balance-measuring device with force plates. [Results] Comparing the TG's balance pre-test and post-test, there was a statistical significance in stability score (SS), weight distribution index (WDI), CD force plates and AC force plates (A left rearfoot, B left forefoot, C right rearfoot, D right forefoot). [Conclusion] Dynamic trunk stabilization exercise utilizing the proprioceptive neuromuscular facilitation patterns seem to help increase the balance of healthy adults.