Abstract.[Purpose] The purpose of this study was to analyze the effect of exercise intensity and recovery times on the extension of Neuropeptide Y in mice hypothalamus.[Subjects] The mice (ICR) were housed per cage in a temperature (20-23°C) and light controlled environment with a 12:12h light-dark cycle.[Methods] ICR were divided into ten groups, 8 mice each group: rest time group, low-intensity exercise, moderate-intensity and high-intensity. The exercise was carried out on a treadmill adapted in order to permit 2 animals to run at the same. Neuropeptide Y transcript contents were estimated by RT-PCR and Real Time PCR. DNA laddering was used to detect DNA fragmentation as an indicator of Neuropeptide Y.[Results] The Neuropeptide Y mRNA relationship to exercise intensity showed significant differences immediately after exercise. The Neuropeptide Y mRNA relationship to exercise intensity showed differences on low-intensity, moderate-intensity and high-intensity. Neuropeptide Y mRNA showed differences between exercise levels of low-intensity to moderate-intensity and low-intensity to highintensity. [Conclusion] It is noteworthy that the expression of NPY mRNA can be effected by stability time and the intensity of exercise. Neuropeptide Y mRNA expression is connected with recovery times at moderate-intensity and high-intensity. The present results suggest the possibility that exercise intensity and recovery times regulated of the desire for food.

This paper proposes a randomized variable probability pattern in under-sampling acquisition for medical image matching which is a method that can perform the quantitative analysis of tissue parameters. For high-speed estimation of tissue parameters, random under-sampling with less than the Nyquist rate in k-space is required. This study presents an accurate parameter mapping method for under-sampled data by using various randomized probability pattern. In comparison to the fixed probability pattern, the proposed method shows improved estimation results with reduced artifacts such as ghosting effects due to the undersampling scheme.

Abstract. [Purpose] This study was undertaken to understand the effects of three different ways of resting after maximal exercise on lactic acid in blood, and muscular strength.[Methods] To achieve this objective, nine athletes were selected as blood donors. Blood was gathered from each donor at three different times: at rest, after maximal exercise, and after recovery. Strength was measured after 30 minutes maximal exercise.[Results] Lactic acid of significant differences appeared more in the walking + jogging rest than the national gymnastics rest and was more effective in removing lactate.[Conclusion] Isokinetic strength (Peak Torque, Peak Torque % Body Weight) were significantly better after the walking + jogging rest than after the national gymnastics rest.

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