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Articles 1 - 4 of 4
Full-Text Articles in Life Sciences
Short-Term Removal Of Exercise Impairs Glycemic Control In Older Adults: A Randomized Trial, Leryn J. Reynolds, Troy M. Williams, Joel E. Harden, Hannah M. Twiddy, Monica L. Kearney
Short-Term Removal Of Exercise Impairs Glycemic Control In Older Adults: A Randomized Trial, Leryn J. Reynolds, Troy M. Williams, Joel E. Harden, Hannah M. Twiddy, Monica L. Kearney
Human Movement Studies & Special Education Faculty Publications
Postprandial glycemia (PPG) predicts cardiovascular disease, and short-term physical inactivity increases PPG in young, active adults. Whether this occurs in older, active adults who may be more prone to bouts of inactivity is unknown. This study determined if postprandial interstitial glucose (PPIG) was impaired in active older adults following the removal of exercise for 3 days (NOEX) compared to active young adults. In this randomized, crossover study, 11 older (69.1 ± 1.9 years) and 9 young (32.8 ± 1.8 years) habitually active (≥90 min/week of exercise) adults completed 3-days of NOEX and 3-days of normal habitual exercise (EX), separated by …
Reproductive Competency And Mitochondrial Variation In Aged Syrian Hamster Oocytes, Fang Li, Frank J. Castora, Wentia Ford, Khalid Alarid, Howard W. Jones Jr., R. James Swanson
Reproductive Competency And Mitochondrial Variation In Aged Syrian Hamster Oocytes, Fang Li, Frank J. Castora, Wentia Ford, Khalid Alarid, Howard W. Jones Jr., R. James Swanson
Biological Sciences Faculty Publications
The hamster is a useful model of human reproductive biology because its oocytes are similar to those in humans in terms of size and structural stability. In the present study we evaluated fecundity rate, ovarian follicular numbers, ova production, mitochondrial number, structure and function, and cytoplasmic lamellae (CL) in young (2–4 months) and old (12–18 months) Syrian hamsters (Mesocricetus auratus). Young hamsters had higher fertilisation rates and larger litters than old hamsters (100 vs 50% and 9.3 +/- 0.6 vs 5.5 +/- 0.6, respectively). Ovarian tissue from superovulated animals showed a 46% decrease in preantral follicles in old …
Aging, Neuromuscular Decline, And The Change In Physiological And Behavioral Complexity Of Upper-Limb Movement Dynamics, S. Morrison, K. M. Newell
Aging, Neuromuscular Decline, And The Change In Physiological And Behavioral Complexity Of Upper-Limb Movement Dynamics, S. Morrison, K. M. Newell
Rehabilitation Sciences Faculty Publications
Aging is characterized by a general decline in physiological and behavioral function that has been widely interpreted within the context of the loss of complexity hypothesis. In this paper, we examine the relation between aging, neuromuscular function and physiological-behavioral complexity in the arm-hand effector system, specifically with reference to physiological tremor and isometric force production. Experimental findings reveal that the adaptive behavioral consequences of the aging-related functional decline in neurophysiological processes are less pronounced in simple motor tasks which provides support for the proposition that the motor output is influenced by both extrinsic (e.g., task related) and intrinsic (e.g., coordination, …
Increased Strength And Physical Performance With Eccentric Training In Women With Impaired Glucose Tolerance: A Pilot Study, Robin L. Marcus, Paul C. Lastayo, Leland E. Dibble, Laura Hill, Donald A. Mcclain
Increased Strength And Physical Performance With Eccentric Training In Women With Impaired Glucose Tolerance: A Pilot Study, Robin L. Marcus, Paul C. Lastayo, Leland E. Dibble, Laura Hill, Donald A. Mcclain
Human Movement Studies & Special Education Faculty Publications
Background: Menopause is associated with both a loss of muscle mass and a worsening of insulin sensitivity (IS). Although eccentric resistance exercise (ECC) can effectively improve muscle mass over time, a single bout of ECC can worsen IS. This study assessed the effect of repeated ECC on IS, muscle mass, and function in postmenopausal women with impaired glucose tolerance (IGT).
Methods: Sixteen PM women (aged 56 years +/- 6.4) with IGT were randomly assigned to a 12-week, knee extensor ECC program (n = 10) or a nonexercise control group (CON) (n = 6). Participants underwent hyperinsulinemic-euglycemic clamps, dual-energy …