Frequency of aerobic/resistance training in older women

有氧和阻力训练相结合，对保持身体活动（PA）有独特的好处。 然而，在老年人中结合这两种训练模式的最佳训练计划是未知的。 这项研究建立在当前和过去的研究基础上，这些研究表明， PA的强度和容易性对于保持积极的生活方式，有利的身体组成， 高骨密度传统的3d/wk组合训练被认为是最佳的，而最近的研究 建议1d/wk组合训练可产生与更频繁训练类似的适应。但我们的 以前和正在进行的研究表明，1天/周的有氧和阻力训练（C1）可能是 刺激不足以诱导最佳适应，3d/wk联合训练（C3）可能也 经常刺激老年人。本研究将使我们能够比较C1，2 d/wk联合 训练（C2）和C3，关于健身、身体成分、PA的难易程度、PA和总自由生活能量消耗 （TEE）。我们假设，C2将导致肌肉尺寸，骨密度，力量，有氧运动 容量、功率、PA、PA和TEE的易用性优于C1或C3。血液循环和心理 与长期过度紧张有关的情绪状态也将被检查。目标：我们将研究 循环细胞因子、情绪状态、肌肉大小、骨密度、有氧能力、力量、功率、PA的缓解， PA，和TEE后16和32周的训练。设计：我们将评估78（>60岁）黑色和白色 年龄、种族和BMI匹配的女性在治疗前、治疗后16周和治疗后分为C1、C2或C3组 训练女性将在综合临床研究中心接受代谢参数评估。 意义：本研究将为了解联合训练频率对提高运动能力的影响提供依据。 健身，PA的容易性，以及高TEE的维持。这些信息对于我们理解 改善老年人的福祉、生活质量和独立性的方法。

Combined aerobic and resistance training have unique benefits for maintaining a physical activity (PA). However, the optimal training program for combining these two modes of training in older adults is unknown. This study builds on current and past studies showing that training induced gains in aerobic fitness, muscle strength, and ease of PA are important for maintaining an active lifestyle, a favorable body composition, and high bone density. Traditionally 3 d/wk combined training has been felt to be optimal while recent studies suggest 1 d/wk combined training may create similar adaptations as more frequent training. However, our previous and ongoing studies suggest that 1 d/wk combined aerobic and resistance training (C1) may be insufficient stimulus to induce optimal adaptations and that 3 d/wk combined training (C3) may be too frequent a stimulus for older adults. This study will enable us to compare the effects of C1, 2 d/wk combined training (C2), and C3 on fitness, body composition, ease of PA, PA, and total free-living energy expenditure (TEE). We hypothesize that C2 will result in a larger increase in muscle size, bone density, strength, aerobic capacity, power, ease of PA, PA, and TEE than either C1 or C3. Circulating cytokinejs andpsychological mood states linked to chronic overstress will also be examined. Objectives: We will examine changes in circulating cytokines, mood states, muscle size, bone density, aerobic capacity, strength, power, ease of PA, PA, and TEE following 16 and 32 wks training. Design: We will to evaluate 78 (>60 yrs) Black and White women matched for age, race, and BMI into C1, C2, or C3 groups prior to, after 16, and after 32 wks training. Women will undergo evaluation of metabolic parameters in a General Clinical ResearchCenter. Significance: This study should provide insight into the effects combined training frequency has on improving fitness, ease of PA, and maintenance of a high TEE. Such information is critical to our understanding of ways to improve well being, quality of life, and independence of an aging population.