Efeito do exercício com pesos em diferentes intensidades e volumes na sensibilidade à dor em idosas hipertensas e normotensas
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Data
2010-10-01
Autores
Ferreira, Sandra Aires [UNESP]
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Editor
Universidade Estadual Paulista (Unesp)
Resumo
O objetivo do estudo foi investigar o efeito agudo de diferentes sessões de exercício físico com pesos na sensibilidade à dor de idosas hipertensas e normotensas. A amostra foi constituída por 21 mulheres idosas (10 normotensas e 11 hipertensas). Após a determinação das cargas no exercício puxada costas e leg press, duas sessões experimentais foram realizadas, adotando-se uma das duas diferentes intensidades 90% ou 100% de 15 repetições máximas (RM). A sessão com 100% de 15 RM envolveu a realização de três séries até a fadiga muscular, a de 90% duas séries de 15 repetições e a terceira série até a fadiga muscular. Antes e imediatamente após as sessões de exercícios as idosas foram submetidas a testes de sensibilidade à dor durante dois minutos, por meio de um instrumento de pressão no dedo. As avaliadas relataram a intensidade da dor através da escala de CR10 de Borg. Aferições de pressão arterial (PA) foram realizadas em repouso, durante, pré e pós-sessões de exercícios com pesos. Os resultados mostraram uma menor sensibilidade à dor em idosas hipertensas após o exercício agudo com pesos a 90% (p=0,048) e 100% (p=0,043) de 15 RM, e independente de serem hipertensas ou normotensas no exercício a 100% (p=0,011), mas não a 90% de 15 RM. Contudo, quando a análise é feita por grupos, a sensibilidade à dor reduziu em idosas hipertensas em resposta, tanto ao exercício agudo com pesos a 100% como a 90% de 15 RM, no entanto esses valores não foram significativos. Esta pesquisa deve contribuir de forma significativa fornecendo subsídios para o desenvolvimento de outros experimentos que possam esclarecer melhor o papel da atividade física na relação dor e hipertensão, sobretudo para mulheres idosas e hipertensas praticantes de exercícios com pesos
The aim of this study was to investigate acute effects of different resistance exercise sessions in pain sensitivity in elderly hypertensive and normotensive. The study sample consisted of 21 elderly women (10 normotensive and 11 hypertensive). After determining the loads in the exercise pulley back and leg press, two experimental sessions were held, adopting one of two different intensities 90% or 100% of 15 repetition maximum (RM). A session with 100% of 15 RM involved performing three sets until muscle fatigue, while 90% of 15 MRI performed two sets of 15 repetitions and the third sets to muscular failure. Before and after resistance exercise sessions, the elderly were tested for sensitivity to pain for two minutes, through the instrument of finger pressure. Evaluated the pain intensity reported by the Borg CR10 scale. Measures of BP were performed at rest before and after resistance exercise sessions. The results revealed that the hypertensives showed less sensitivity to pain after the resistance exercise session at 90% RM 15 (p = 0.048), while the normotensives, the difference was not significant (p = 0.763). For the session to 100% 15 RM, pain sensitivity in the hypertensive group was significantly lower (p = 0.043) after the completion of the resistance exercises. However, for the normotensive group, although it has reduced sensitivity to pain during post-exercise values were not significant (p = 0.082). Acute resistance exercise of 100% 15RM significantly decreased sensitivity to pain in both acute resistance exercise at 100% as 90% 15 RM elderly women and hypertensive, however these values were not significant. This research should contribute significantly by providing subsidies for the development of other experiments that might clarify the role of physical activity in relation pain and hypertension, especially for elderly women with hypertension and practicing resistance exercises
The aim of this study was to investigate acute effects of different resistance exercise sessions in pain sensitivity in elderly hypertensive and normotensive. The study sample consisted of 21 elderly women (10 normotensive and 11 hypertensive). After determining the loads in the exercise pulley back and leg press, two experimental sessions were held, adopting one of two different intensities 90% or 100% of 15 repetition maximum (RM). A session with 100% of 15 RM involved performing three sets until muscle fatigue, while 90% of 15 MRI performed two sets of 15 repetitions and the third sets to muscular failure. Before and after resistance exercise sessions, the elderly were tested for sensitivity to pain for two minutes, through the instrument of finger pressure. Evaluated the pain intensity reported by the Borg CR10 scale. Measures of BP were performed at rest before and after resistance exercise sessions. The results revealed that the hypertensives showed less sensitivity to pain after the resistance exercise session at 90% RM 15 (p = 0.048), while the normotensives, the difference was not significant (p = 0.763). For the session to 100% 15 RM, pain sensitivity in the hypertensive group was significantly lower (p = 0.043) after the completion of the resistance exercises. However, for the normotensive group, although it has reduced sensitivity to pain during post-exercise values were not significant (p = 0.082). Acute resistance exercise of 100% 15RM significantly decreased sensitivity to pain in both acute resistance exercise at 100% as 90% 15 RM elderly women and hypertensive, however these values were not significant. This research should contribute significantly by providing subsidies for the development of other experiments that might clarify the role of physical activity in relation pain and hypertension, especially for elderly women with hypertension and practicing resistance exercises
Descrição
Palavras-chave
Educação fisica, Hipertensão na velhice, Arterias - Hipertensão, Idosos - Doenças, Treinamento com peso, Educação física adaptada, Hipertensão arterial, Hipoalgesia, Hypertension, Hypoalgesia, Resistance exercises, Elderly
Como citar
FERREIRA, Sandra Aires. Efeito do exercício com pesos em diferentes intensidades e volumes na sensibilidade à dor em idosas hipertensas e normotensas. 2010. 68 f. Dissertação (mestrado) - Universidade Estadual Paulista, Instituto de Biociências de Rio Claro, 2010.