Effect of exercise training on peak aerobic power, left ventricular morphology, and muscle strength in healthy older women. 2005

Mark Haykowsky, and Jonathan McGavock, and Isabelle Vonder Muhll, and Matthew Koller, and Sandra Mandic, and Robert Welsh, and Dylan Taylor
Faculty of Rehabilitation Medicine, 2-50 Corbett Hall, University of Alberta, Edmonton, Alberta, Canada, T6G 2G4. mark.haykowsky@ualberta.ca

The effect that aerobic (AT) and/or strength training (ST) has on altering peak aerobic power (VO2peak), muscle strength, left ventricular (LV) morphology, and diastolic filling in healthy older women is not known. We assessed the effects of 12 weeks of AT, ST, combined aerobic and strength training (COMT), or no training (NT) on VO2peak, muscle strength, LV morphology, and diastolic filling in 31 healthy women (68 +/- 4 years). Relative VO2peak was significantly greater after 12 weeks of AT, ST, or COMT. Upper and lower extremity strength were significantly higher after 12 weeks of ST or COMT with no change after AT or NT. LV morphology and diastolic filling were not altered after 12 weeks of AT, ST, COMT, or NT. Twelve weeks of ST or COMT are as effective as 12 weeks of AT for increasing relative VO2peak, however, ST and COMT are more effective than AT for improving overall muscle strength.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009142 Musculoskeletal Physiological Phenomena Processes and properties of the MUSCULOSKELETAL SYSTEM. Musculoskeletal Physiologic Processes,Musculoskeletal Physiological Process,Musculoskeletal Physiological Processes,Musculoskeletal Physiology,Musculoskeletal Physiologic Process,Musculoskeletal Physiological Concepts,Musculoskeletal Physiological Phenomenon,Physiology, Musculoskeletal,Concept, Musculoskeletal Physiological,Concepts, Musculoskeletal Physiological,Musculoskeletal Physiological Concept,Phenomena, Musculoskeletal Physiological,Phenomenon, Musculoskeletal Physiological,Physiologic Process, Musculoskeletal,Physiologic Processes, Musculoskeletal,Process, Musculoskeletal Physiologic,Process, Musculoskeletal Physiological,Processes, Musculoskeletal Physiologic,Processes, Musculoskeletal Physiological
D010101 Oxygen Consumption The rate at which oxygen is used by a tissue; microliters of oxygen STPD used per milligram of tissue per hour; the rate at which oxygen enters the blood from alveolar gas, equal in the steady state to the consumption of oxygen by tissue metabolism throughout the body. (Stedman, 25th ed, p346) Consumption, Oxygen,Consumptions, Oxygen,Oxygen Consumptions
D010806 Physical Education and Training Instructional programs in the care and development of the body, often in schools. The concept does not include prescribed exercises, which is EXERCISE THERAPY. Education, Physical,Physical Education,Physical Education, Training
D010807 Physical Endurance The time span between the beginning of physical activity by an individual and the termination because of exhaustion. Endurance, Physical,Physical Stamina,Stamina, Physical
D010809 Physical Fitness The ability to carry out daily tasks and perform physical activities in a highly functional state, often as a result of physical conditioning. Fitness, Physical
D011336 Probability The study of chance processes or the relative frequency characterizing a chance process. Probabilities
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D004452 Echocardiography Ultrasonic recording of the size, motion, and composition of the heart and surrounding tissues. The standard approach is transthoracic. Echocardiography, Contrast,Echocardiography, Cross-Sectional,Echocardiography, M-Mode,Echocardiography, Transthoracic,Echocardiography, Two-Dimensional,Transthoracic Echocardiography,2-D Echocardiography,2D Echocardiography,Contrast Echocardiography,Cross-Sectional Echocardiography,Echocardiography, 2-D,Echocardiography, 2D,M-Mode Echocardiography,Two-Dimensional Echocardiography,2 D Echocardiography,Cross Sectional Echocardiography,Echocardiography, 2 D,Echocardiography, Cross Sectional,Echocardiography, M Mode,Echocardiography, Two Dimensional,M Mode Echocardiography,Two Dimensional Echocardiography
D005082 Physical Exertion Expenditure of energy during PHYSICAL ACTIVITY. Intensity of exertion may be measured by rate of OXYGEN CONSUMPTION; HEAT produced, or HEART RATE. Perceived exertion, a psychological measure of exertion, is included. Physical Effort,Effort, Physical,Efforts, Physical,Exertion, Physical,Exertions, Physical,Physical Efforts,Physical Exertions

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