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Exercise In Aging: Can Handgrip Training Improve Skeletal Muscle Oxidative Recovery Kinetics?, Susie Chung, Ryan Rosenberry 2450189, Paul Bhella, Michael Nelson
Exercise In Aging: Can Handgrip Training Improve Skeletal Muscle Oxidative Recovery Kinetics?, Susie Chung, Ryan Rosenberry 2450189, Paul Bhella, Michael Nelson
International Journal of Exercise Science: Conference Proceedings
Loss of skeletal muscle function is a key factor contributing to reduced mobility and quality of life in aging individuals. While the exact mechanism remains unclear, impaired skeletal muscle oxidative capacity has been shown to play a major role. Exercise training increases oxidative capacity early in life; however, the potential for exercise to improve oxidative capacity later in life remains equivocal. PURPOSE: To test the hypothesis that 4 weeks of exercise training can improve skeletal muscle oxidative capacity in elderly individuals beyond the 6th decade of life. METHODS: To-date, 4 community-dwelling seniors from the local Dallas-Fort Worth …
Stress Testing For Diastolic Dysfunction: An Old Approach To A New Question, T. Jake Samuel, Rhys Beaudry, Mark J. Haykowsky, Satyam Sarma, Michael D. Nelson
Stress Testing For Diastolic Dysfunction: An Old Approach To A New Question, T. Jake Samuel, Rhys Beaudry, Mark J. Haykowsky, Satyam Sarma, Michael D. Nelson
International Journal of Exercise Science: Conference Proceedings
BACKGROUND: Currently, conventional cycle echocardiography is the recommended method for diagnosing diastolic dysfunction in patients with unexplained dyspnea upon exertion. However, this method has several underlying limitations including movement and respiratory artifact. These limitations are often exaggerated in patients who are obese and suffer from exertional dyspnea, and therefore limit its application in clinical diagnosis. Our group recently demonstrated that isometric handgrip echocardiography is a powerful sub-clinical diastolic discriminator that avoids the limitations of conventional cycle echocardiography and that can be easily implemented in the clinic. PURPOSE: However, to date it remains unclear how these two methodologies compare, and thus …