ABSTRACT
Background: Limited research has been carried out to compare acute cardiovascular responses to static and dynamic exercise in older adult. So in our study we compared the responses to static and dynamic exercise in older adults to find out and support the inclusion of resistance exercise as a part of fitness program designed for healthy subjects of older age group. Aims & Objective: The purpose of this study was to compare the acute cardiovascular responses of healthy older adults to static and dynamic exercise. Methods: In the present study 8 healthy normotensive volunteers, recruited in age group of 40-60 years, performed IHG exercise. Their HR and BP were recorded prior to and after one minute of 40% maximum voluntary contraction of the forearm. Then after a gap of two weeks subjects, performed dynamic exercise using ergo metric cycle. Their HR and BP were recorded prior to and after one minute of completion of exercise. All the recordings were compared before and after both types of exercise. Results: Both types of exercise led to significant rise in SBP, & HR. The rise in DBP was significant in subjects who performed static exercise only. From BP and HR responses, it is clear that acute responses to both exercises are almost similar, supporting the inclusion of static exercise in exercise programs for older adults. Conclusion: This study indicates that the press or response is well regulated in both exercise groups. This supports the inclusion of resistance exercise as part of an overall fitness program designed for healthy older adults.
ABSTRACT
Objective To design a device sampling Korotkoff's sound signal and acquiring blood pressure based on Korotkoff theory.Methods The author sampled Korotkoff's sound signal via microphone,and then according the cuff pressure corresponding to signal appearance and disappearance,the author acquired SBP and DBP.At last,the author validated the creditability by contrasting with the results of auscultatory method.Results The difference of SBP and DBP is near nonexistence,the blood pressure data using this device is creditable.Conclusion The blood pressure can be measured using this device,and it can be used to further study the auto-measurement of blood pressure base on Korotkoff's sound theory.
ABSTRACT
Eight populations including 4 Chinese districts and 4 nationalities 484 subjects (male, 40~59 years) were conducted for exploring amino acid (22 sorts)-BP relationship by multi-variate regression and discrimination analyses. Results showed:(1)The different amino acid levels found among "Ka-zak", "Han" and "Uygur" nationalities living in one of the same Xinjiang region might be a reflection of their diverse dietary patterns; while the difference seen between "Han" and "Yi" nationalities living in one of the same Quizhou area, taking similar diet, might be due to the inherited metabolic influence. (2) The levels of aspartic and (or) glutamic acids were the the highest in the Quizhou "Han" and "Yi" groups living in cold hilly area, while other amino acids were comparatively lower, in keeping with their BP, Quetelet's indices and serum urea levels to be the lowest, tentatively denoting that the tissue metabolic turnover rate might be also lower as well in these groups. (3) The serum levels of sulfur containing amino acids in those populations taking much animal foods, were all higher, therefor ethe lower incidences of cardio-cerebro-vascular diseases seen in fishmen can not be thus wholly ascribed to the high intake of fish meat rich in sulfur containing amino acids. (4) From BP regression equations, valine, cysteine, alanine, threonine were found to be the prohypertensives while glycine, leucine, methionine and phenylalanine,the antihypertensives.