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Articles 1 - 8 of 8
Full-Text Articles in Life Sciences
Differences In Patterns Of Reproductive Allocation Between The Sexes In Nicrophorus Orbicollis, Ashlee N. Smith, J. Curtis Creighton, Mark C. Belk
Differences In Patterns Of Reproductive Allocation Between The Sexes In Nicrophorus Orbicollis, Ashlee N. Smith, J. Curtis Creighton, Mark C. Belk
Faculty Publications
Organisms are selected to maximize lifetime reproductive success by balancing the costs of current reproduction with costs to future survival and fecundity. Males and females typically face different reproductive costs, which makes comparisons of their reproductive strategies difficult. Burying beetles provide a unique system that allows us to compare the costs of reproduction between the sexes because males and females are capable of raising offspring together or alone and carcass preparation and offspring care represent the majority of reproductive costs for both sexes. Because both sexes perform the same functions of carcass preparation and offspring care, we predict that they …
The Effect Of Training In Minimalist Running Shoes On Running Economy, Sarah T. Ridge, Tyler Standifird, Jessica Rivera, A. Wayne Johnson, Ulrike H. Mitchell, Iain Hunter
The Effect Of Training In Minimalist Running Shoes On Running Economy, Sarah T. Ridge, Tyler Standifird, Jessica Rivera, A. Wayne Johnson, Ulrike H. Mitchell, Iain Hunter
Faculty Publications
The purpose of this study was to examine the effect of minimalist running shoes on oxygen uptake during running before and after a 10-week transition from traditional to minimalist running shoes. Twenty-five recreational runners (no previous experience in minimalist running shoes) participated in submaximal VO2 testing at a self-selected pace while wearing traditional and minimalist running shoes. Ten of the 25 runners gradually transitioned to minimalist running shoes over 10 weeks (experimental group), while the other 15 maintained their typical training regimen (control group). All participants repeated submaximal VO2 testing at the end of 10 weeks. Testing included a 3 …
Meat Intake And Insulin Resistance In Women Without Type 2 Diabetes, Larry A. Tucker, James D. Lecheminant, Bruce W. Bailey
Meat Intake And Insulin Resistance In Women Without Type 2 Diabetes, Larry A. Tucker, James D. Lecheminant, Bruce W. Bailey
Faculty Publications
Purpose. To examine the relationship between meat intake and insulin resistance (IR) in 292 nondiabetic women. Methods. IR was evaluated using the homeostasis model assessment (HOMA). Diet was assessed via 7-day weighed food records. Servings of very lean meat (VLM) and regular meat (meat) were indexed using the ADA Exchange Lists Program. Physical activity was assessed using accelerometers and body fat was measured using the Bod Pod. Results. Meat intake was directly related to HOMA (F = 7.4; P = 0.007). Women with moderate or high meat intakes had significantly higher HOMA levels than their counterparts. Adjusting for body fat …
Slow Walking On A Treadmill Desk Does Not Negatively Affect Executive Abilities: An Examination Of Cognitive Control, Conflict Adaptation, Response Inhibition, And Post-Error Slowing, Michael J. Larson, James D. Lecheminant, Kaylie Carbine, Kyle R. Hill, Edward Christenson, Travis Masterson, Rick Lecheminant
Slow Walking On A Treadmill Desk Does Not Negatively Affect Executive Abilities: An Examination Of Cognitive Control, Conflict Adaptation, Response Inhibition, And Post-Error Slowing, Michael J. Larson, James D. Lecheminant, Kaylie Carbine, Kyle R. Hill, Edward Christenson, Travis Masterson, Rick Lecheminant
Faculty Publications
An increasing trend in the workplace is for employees to walk on treadmills while working to attain known health benefits; however, the effect of walking on a treadmill during cognitive control and executive function tasks is not well known. We compared the cognitive control processes of conflict adaptation (i.e., congruency sequence effects—improved performance following high-conflict relative to low-conflict trials), post-error slowing (i.e., Rabbitt effect), and response inhibition during treadmill walking (1.5 mph) relative to sitting. Understanding the influence of treadmill desks on these cognitive processes may have implications for worker health and productivity. Sixty-nine individuals were randomized to either a …
Cognitive And Typing Outcomes Measured Simultaneously With Slow Treadmill Walking Or Sitting: Implications For Treadmill Desks, James D. Lecheminant, Michael D. Larson, Kyle Hill, Kaylie Carbine, Travis Masterson, Ed Christenson
Cognitive And Typing Outcomes Measured Simultaneously With Slow Treadmill Walking Or Sitting: Implications For Treadmill Desks, James D. Lecheminant, Michael D. Larson, Kyle Hill, Kaylie Carbine, Travis Masterson, Ed Christenson
Faculty Publications
Purpose
This study compared cognitive (attention, learning, and memory) and typing outcomes during slow treadmill walking or sitting. Seventy-five healthy individuals were randomly assigned to a treadmill walking group (n=37; 23 female) or sitting group (n=38; 17 female).
Methods
The treadmill walking group completed a series of tests while walking at 1.5 mph. The sitting group performed the same tests while sitting at a standard desk. Tests performed by both groups included: the Rey Auditory Verbal Learning Test and a modified version of the Paced Auditory Serial Attention Test. In addition, typing performance was evaluated.
Results
Participants in the treadmill …
Sex Differences In Whole Body Gait Kinematics At Preferred Speeds, Dustin A. Bruening, R. Frimenko, C. Goodyear, A. Fullenkamp
Sex Differences In Whole Body Gait Kinematics At Preferred Speeds, Dustin A. Bruening, R. Frimenko, C. Goodyear, A. Fullenkamp
Faculty Publications
Studies on human perception have identified pelvis and torso motion as key discriminators between male and female gaits. However, while most observers would advocate that men and women walk differently, consistent findings and explanations of sex differences in gait kinematics across modern empirical studies are rare. In the present study we evaluated sex differences in whole body gait kinematics from a large sample of subjects (55 men, 36 women) walking at self selected speeds. We analyzed the data through comparisons of discrete metrics and whole curve analyses. Results showed that in the frontal plane, women walked with greater pelvic obliquity …
Dairy Consumption And Insulin Resistance: The Role Of Body Fat, Physical Activity, And Energy Intake, Larry A. Tucker, Andrea Erickson, James D. Lecheminant, Bruce W. Bailey
Dairy Consumption And Insulin Resistance: The Role Of Body Fat, Physical Activity, And Energy Intake, Larry A. Tucker, Andrea Erickson, James D. Lecheminant, Bruce W. Bailey
Faculty Publications
The relationship between dairy consumption and insulin resistance was ascertained in 272 middle-aged, nondiabetic women using a cross-sectional design. Participants kept 7-day, weighed food records to report their diets, including dairy intake. Insulin resistance was assessed using the homeostatic model assessment (HOMA). The Bod Pod was used to measure body fat percentage, and accelerometry for 7 days was used to objectively index physical activity. Regression analysis was used to determine the extent to which mean HOMA levels differed across low, moderate, and high dairy intake categories. Results showed that women in the highest quartile of dairy consumption had significantly greater …
Metazoan Parasites Of Antarctic Fishes, Mehmet Cemal Oğuz, Yahya Tepe, Mark C. Belk, Richard A. Heckmann, Burçak Aslan, Meryem Gürgen, Rodney A. Bray, Ülker Akgül
Metazoan Parasites Of Antarctic Fishes, Mehmet Cemal Oğuz, Yahya Tepe, Mark C. Belk, Richard A. Heckmann, Burçak Aslan, Meryem Gürgen, Rodney A. Bray, Ülker Akgül
Faculty Publications
To date, there have been nearly 100 papers published on metazoan parasites of Antarctic fishes, but there has not yet been any compilation of a species list of fish parasites for this large geographic area. Herein, we provide a list of all documented occurrences of monogenean, cestode, digenean, acanthocephalan, nematode, and hirudinean parasites of Antarctic fishes. The list includes nearly 250 parasite species found in 142 species of host fishes. It is likely that there are more species of fish parasites, which are yet to be documented from Antarctic waters.