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Metabolic and cardiovascular response to shallow water exercise in young and older women.

机译:年轻和年长妇女对浅水运动的代谢和心血管反应。

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PURPOSE: The purpose of this study was to compare the metabolic and cardiovascular responses of young (Y) and older (O) women ages 19-24 yr (N = 11) and 63-72 yr (N = 11), respectively, while performing shallow water exercise (SWE). METHODS: Resting metabolic rate was determined as was the metabolic (indirect calorimetry) and heart rate (Polar monitor) responses to five submaximal and one maximal SWE bout, and to a 40-min SWE class. RESULTS: 1) One metabolic equivalent (MET) equaled (mean +/- SE) 3.3 +/- 0.2 mL O(2).min-1.kg-1 (Y) and 2.8 +/- 0.1 mL O(2).min-1.kg-1 (O) (P < 0.05); 2) submaximal (bouts 1-5) MET and HR responses ranged from 3.5 to 8.6 and 95 to 144 bpm (Y), and 3.2 to 6.3 and 92 to 124 bpm (O); 3) estimated MET, % HR(peak), and kcal O(2) per minute at given relative efforts (% [OV0312]O(2peak)) were greater for the older group (P < 0.05), whereas no difference in RPE was found; 4) peak MET and HR equaled 11.7 +/- 0.8 and 182 +/- 3 bpm (Y) and 7.6 +/- 0.4 and 156 +/- 5 bpm (O), respectively (P < 0.05); 5) SWE class: overall, estimated average MET level was 4.9 +/- 0.3 (O) and 5.8 +/- 0.4 (Y) (P > 0.05); the overall relative intensity (% MET(peak)) was greater for the O group (61.5 +/- 2.5 vs 48.8 +/- 2.2) (P < 0.05). CONCLUSIONS: SWE elicited metabolic and cardiovascular responses that met ACSM's guidelines for establishing health benefits. Furthermore, older females may self-select a greater relative exercise intensity during SWE compared with younger counterparts when provided with the same verbal instructions and encouragement.
机译:目的:本研究的目的是比较年龄分别为19-24岁(N = 11)和63-72岁(N = 11)的年轻(Y)和老年(O)妇女的代谢和心血管反应,而进行浅水运动(SWE)。方法:测定静息代谢率,以及对五个次最大和一个最大SWE发作以及对40分钟SWE类别的代谢(间接量热法)和心率(Polar监测器)的反应。结果:1)一代谢当量(MET)等于(平均值+/- SE)3.3 +/- 0.2 mL O(2).min-1.kg-1(Y)和2.8 +/- 0.1 mL O(2) .min-1.kg-1(O)(P <0.05); 2)次最大(大约1-5次)的MET和HR响应范围为3.5至8.6和95至144 bpm(Y),以及3.2至6.3和92至124 bpm(O); 3)在给定的相对努力下(%[OV0312] O(2peak)),估计的MET,%HR(peak)和每分钟kcal O(2)在老年组中更大(P <0.05),而RPE无差异被找到; 4)峰值MET和HR分别等于11.7 +/- 0.8和182 +/- 3 bpm(Y)和7.6 +/- 0.4和156 +/- 5 bpm(O)(P <0.05); 5)SWE等级:总体平均MET水平估计为4.9 +/- 0.3(O)和5.8 +/- 0.4(Y)(P> 0.05); O组的总体相对强度(%MET(峰值))更大(61.5 +/- 2.5对48.8 +/- 2.2)(P <0.05)。结论:SWE引起的代谢和心血管反应符合ACSM建立健康益处的指南。此外,在提供相同的口头指示和鼓励的情况下,与年轻的女性相比,老年女性在SWE期间可能会自行选择更大的相对运动强度。

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