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RISS 인기검색어
- 검색키워드
- 저자 : ( Ana Maria Teixeira ) (검색결과 2 건)
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( Ana Maria Teixeira ),( Raul Martins ),( Mafalda Martins ),( Maria Do Rosario Cunha ) 한국스포츠정책과학원(구 한국스포츠개발원) 2008 International Journal of Applied Sports Sciences Vol.20 No.2
This study analysed the influence of a 19 week exercise program in the functional fitness, salivary IgA and mood states of an elderly population. Thirty three subjects with ambulatory capacity and without any medical contraindications to exercise aged between 68 and 95 years old participated and were distributed into 2 groups: 15 subjects performed aerobic exercise that included low-impact rhythmic work sequences with music, three times a week, and 18 remained sedentary. The exercising group attained improvements in all components of functional fitness with significant differences registered for aerobic endurance, lower and upper body strength. The exercising group also showed improvements in the mood states, with statistically significant less depression, less tension, less fatigue, more vigour and less anger. On the other hand, the sedentary control group showed an increase in confusion and a loss of vigour. For the exercising group salivary IgA levels were higher after the 19 week exercise program with no changes for the control group. This study shows a positive effect of exercise on physical, psychological and mucosal immune parameters in elderly populations which may improve quality of life.
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Definition of a Methodology for an Expedited Assessment of Slope Instability on Volcanic Terrains
( Ana Maria Malheiro ),( Luis Teixeira ),( Paulo Amaral ),( Filipe Marques ),( Jose Vieira ),( Leticia Moniz ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
A project called MACASTAB (co-financed by the Interreg Mac 2014-20 program) is being developed, by a group of technicians from the Canarias, Azores, Madeira and Cabo Verde archipelagos. This project aims to prepare a methodological guide for the natural risk management produced by the instability of volcanic slopes and talus in Macaronesia archipelagos. One of its tasks is the development of charts that can be applied in the referred archipelagos in order to do an expeditious evaluation of slope stability. Given the specificities of the geology of the Azores and Madeira islands, the charts were supported by limit equilibrium analysis methods (e.g. Morgenstern-Price) applied to slopes whose constitution is predominantly formed by soils (an unusual situation in other archipelagos that are in the project). Results of shear strength parameters obtained for volcanic soils on both archipelagos by triaxial compression tests and direct shear tests are presented. Empirical correlation between friction angle and particle size distribution was found with a coefficient of adjustment of 93%. That correlation shows a relationship between the angle of internal friction of a given material and the percentage of gravel and sand. For the preparation of these charts, several stability analyzes were performed with different scenarios (slope gradient and heights, and shear strength parameters), in order to determine the safety factor of slopes in a simple and fast way in the field.
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