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Articles 1 - 27 of 27
Full-Text Articles in Physiology
Cortisol Production In Female Soccer Players, Katelyn Seagraves
Cortisol Production In Female Soccer Players, Katelyn Seagraves
ASPIRE 2024
Cortisol is released from the adrenal glands when there is an apparent stressor. Exercise, while beneficial, is seen as stress to the body and incites increased cortisol release. Cortisol is known to increase with exercise, and higher-intensity exercise tends to raise cortisol more compared to lower intensities. However, less is known about interval training and cortisol concentrations.
This review of literature dives into the background of cortisol: how it's produced, what systems it regulates, and differences in production based on gender, stressors, exercise intensity, and duration. This paper identifies some knowledge gaps and links training intensities in soccer to cortisol …
Law Library Blog (December 2023): Legal Beagle's Blog Archive, Roger Williams University School Of Law
Law Library Blog (December 2023): Legal Beagle's Blog Archive, Roger Williams University School Of Law
Law Library Newsletters/Blog
No abstract provided.
Water Intoxication: Current Developments In Hyponatremia, Allison C. Mosmiller
Water Intoxication: Current Developments In Hyponatremia, Allison C. Mosmiller
Student Publications
This paper is a review of recent research on the subject of exercise-associated hyponatremia. Hyponatremia is notoriously difficult to diagnose and to treat due to its general symptoms and required specificity in diagnosis in order to assign appropriate treatment. If left untreated, Hyponatremia can result in the development of complications like cerebral edema, seizures, coma, and sometimes death. The pathogenesis of hyponatremia includes multiple proposed mechanisms, including overconsumption of hypotonic fluids, inappropriate release of antidiuretic hormone, inefficiency of fluid filtration by the kidneys, redirection of fluid into intestinal lumen, and activation of the renin-angiotensin-aldosterone system. Signs and symptoms of hyponatremia …
Rats Genetically Selected For High Aerobic Exercise Capacity Have Elevated Plasma Bilirubin By Upregulation Of Hepatic Biliverdin Reductase-A (Bvra) And Suppression Of Ugt1a1, Terry D. Hinds Jr., Justin F. Creeden, Darren M. Gordon, Adam C. Spegele, Steven L. Britton, Lauren G. Koch, David E. Stec
Rats Genetically Selected For High Aerobic Exercise Capacity Have Elevated Plasma Bilirubin By Upregulation Of Hepatic Biliverdin Reductase-A (Bvra) And Suppression Of Ugt1a1, Terry D. Hinds Jr., Justin F. Creeden, Darren M. Gordon, Adam C. Spegele, Steven L. Britton, Lauren G. Koch, David E. Stec
Pharmacology and Nutritional Sciences Faculty Publications
Exercise in humans and animals increases plasma bilirubin levels, but the mechanism by which this occurs is unknown. In the present study, we utilized rats genetically selected for high capacity running (HCR) and low capacity running (LCR) to determine pathways in the liver that aerobic exercise modifies to control plasma bilirubin. The HCR rats, compared to the LCR, exhibited significantly higher levels of plasma bilirubin and the hepatic enzyme that produces it, biliverdin reductase-A (BVRA). The HCR also had reduced expression of the glucuronyl hepatic enzyme UGT1A1, which lowers plasma bilirubin. Recently, bilirubin has been shown to activate the peroxisome …
Commentary: Physiological And Psychological Impact Of Face Mask Usage During The Covid-19 Pandemic, Jennifer Scheid, Shannon Lupien, Gregory Scott Ford, Sarah West
Commentary: Physiological And Psychological Impact Of Face Mask Usage During The Covid-19 Pandemic, Jennifer Scheid, Shannon Lupien, Gregory Scott Ford, Sarah West
Articles & Book Chapters
In this commentary, we discuss the physiological effects of wearing masks for prolonged periods of time, including special considerations, such as mask wearing among those who engage in exercise training, and concerns for individuals with pre-existing chronic diseases. In healthy populations, wearing a mask does not appear to cause any harmful physiological alterations, and the potentially life-saving benefits of wearing face masks seem to outweigh the documented discomforts (e.g. headaches). However, there continues to be controversy over mask wearing in the United States, even though wearing a mask appears to have only minor physiological drawbacks. While there are minimal physiological …
Hypothesized Mechanisms Through Which Exercise May Attenuate Memory Interference, Lindsay K. Crawford, Hong Li, Liye Zou, Gao Xia Wei, Paul D. Loprinzi
Hypothesized Mechanisms Through Which Exercise May Attenuate Memory Interference, Lindsay K. Crawford, Hong Li, Liye Zou, Gao Xia Wei, Paul D. Loprinzi
Faculty and Student Publications
© 2020 by the authors. Licensee MDPI, Basel, Switzerland. In this paper we introduce a mechanistic model through which exercise may enhance episodic memory, specifically via attenuating proactive and retroactive memory interference. We discuss the various types of memory, different stages of memory function, review the mechanisms behind forgetting, and the mechanistic role of exercise in facilitating pattern separation (to attenuate memory interference).
The Impact Of Exercise In Spaceflight And Microgravity Environments, William Bybee
The Impact Of Exercise In Spaceflight And Microgravity Environments, William Bybee
Mahurin Honors College Capstone Experience/Thesis Projects
Since mankind’s first spaceflight, a significant barricade in reaching distant planets has been the damaging effects of microgravity upon the human body. Effects range from loss in bone mineral density and severe muscle atrophy to autoimmune disorders. The most effective countermeasure of these effects to date is exercise. Implementation of exercise in microgravity is not an easy task, so various specialized equipment must be utilized to effectively administer it. Even with this equipment, exercise as it is currently used does not entirely prevent body systems from undergoing detrimental changes. New modalities and implementations are currently being investigated that may significantly …
Bone-Loading Physical Activity And Alcohol Intake But Not Bmi Affect Areal Bone Mineral Density In Young College-Aged Korean Women: A Cross-Sectional Study., Dong Jun Sung, Harshvardhan Singh, Seung-Bum Oh, Sojung Kim
Bone-Loading Physical Activity And Alcohol Intake But Not Bmi Affect Areal Bone Mineral Density In Young College-Aged Korean Women: A Cross-Sectional Study., Dong Jun Sung, Harshvardhan Singh, Seung-Bum Oh, Sojung Kim
Faculty Scholarship for the College of Science & Mathematics
The purpose of this cross-sectional study was to determine the differences in areal bone mineral density (aBMD) based on alcohol consumption behaviors, bone-loading history as assessed by a bone-specific physical activity questionnaire (BPAQ), and the body mass index (BMI). College-aged female students (N = 112) were recruited from the universities in Seoul and Gyeonggi province, South Korea. The aBMD of the lumbar spine and non-dominant side of the proximal femur (total hip, TH; femoral neck, FN; femoral trochanter, FT) were measured using dual energy X-ray absorptiometry (DXA). Alcohol consumption was determined by the frequency and amount of alcohol intake during …
The Impact Of Power Training On Balance And Visual Feedback Removal, Juliana Bouton
The Impact Of Power Training On Balance And Visual Feedback Removal, Juliana Bouton
Senior Honors Theses
Because power training has been known to augment stability, the purpose of this study was to assess whether the removal of visual input affects lower limb muscle power production in young women who are resistance trained to the same degree it affects the untrained. This provided insight as far as the need for resistance training protocols in a largely untrained visually impaired population. To study this, fourteen college-aged female participants (18-23 years) performed a seated double-leg press on a leg sled machine, isolating power production of the lower limbs. After establishing baselines, which involved finding an average of power produced …
Effects Of Evidence-Based Materials And Access To Local Resources On Physical Activity During Pregnancy, Kolbi Edens
Effects Of Evidence-Based Materials And Access To Local Resources On Physical Activity During Pregnancy, Kolbi Edens
Masters Theses & Specialist Projects
Physical activity (PA) during pregnancy has been shown to be safe and effective for improving maternal and infant health; however, only 23% of pregnant women exercise in accordance with guidelines. PURPOSE: To determine if the distribution of evidence-based educational resources as well as access to community resources will increase PA levels as well as knowledge/beliefs about PA during pregnancy. METHODS: Participants (8-12 weeks) completed assessments concerning their activity levels, as well as knowledge/beliefs regarding PA, during pregnancy. Next, participants were randomly assigned to either an intervention (IG) or control group (CG). The IG received educational information regarding PA during pregnancy, …
Association Between Perceived Physical Activity And Cognitive Function In Older Adults, Paul D. Loprinzi, Emily Frith
Association Between Perceived Physical Activity And Cognitive Function In Older Adults, Paul D. Loprinzi, Emily Frith
Faculty and Student Publications
© The Author(s) 2018. There is irrefutable evidence that regular participation in physical activity is favorably associated with numerous positive health outcomes, including cognitive function. Emerging work suggests that perceived physical activity, independent of actual physical activity behavior, is inversely associated with mortality risk. In this study, we evaluate whether perceived physical activity, independent of actual physical activity, is associated with cognitive function, a robust indicator of mortality risk. Data from the cross-sectional 1999–2002 National Health and Nutrition Examination Survey were employed (N = 2352; 60+ years of age). Actual physical activity was assessed via a validated survey. Perceived physical …
Exercise Training Prevents The Perivascular Adipose Tissue-Induced Aortic Dysfunction With Metabolic Syndrome, Evan Devallance, Kayla W. Branyan, Kent C. Lemaster, Ray Anderson, Kent L. Marshall, I. Mark Olfert, David M. Smith, Eric E. Kelly, Randy W. Bryner, Jefferson C. Frisbee, Paul D. Chantler
Exercise Training Prevents The Perivascular Adipose Tissue-Induced Aortic Dysfunction With Metabolic Syndrome, Evan Devallance, Kayla W. Branyan, Kent C. Lemaster, Ray Anderson, Kent L. Marshall, I. Mark Olfert, David M. Smith, Eric E. Kelly, Randy W. Bryner, Jefferson C. Frisbee, Paul D. Chantler
Faculty & Staff Scholarship
The aim of the study was to determine the effects of exercise training on improving the thoracic perivascularadipose tissue (tPVAT) phenotype (inflammation, oxidative stress, and proteasome function) in metabolic syn-drome and its subsequent actions on aortic function.Methods:Lean and obese (model of metabolic syndrome) Zucker rats (n=8/group) underwent 8-weeks ofcontrol conditions or treadmill exercise (70% of max speed, 1 h/day, 5 days/week). At the end of the inter-vention, the tPVAT was removed and conditioned media was made. The cleaned aorta was attached to a forcetransducer to assess endothelium-dependent and independent dilation in the presence or absence of tPVAT-conditioned media. tPVAT gene …
Acute Exercise And Mindfulness Meditation On Learning And Memory: Randomized Controlled Intervention, Malina Austin, Paul D. Loprinzi
Acute Exercise And Mindfulness Meditation On Learning And Memory: Randomized Controlled Intervention, Malina Austin, Paul D. Loprinzi
Faculty and Student Publications
© 2019 The Author(s). Background: The purpose of this experiment was to evaluate the potential combined effects of acute exercise and mindfulness mediation on episodic memory. Methods: All data collection occurred in the authors’ laboratory (January to May of 2019). In this three-arm, within-subject design, participants (N=20; Mage=21.6 years) completed three counterbalanced laboratory visits, including Exercise Only, Exercise + Meditation and Control. Learning and memory were assessed from a word-list task. A one-factor repeated-measures ANOVA was computed for two memory outcomes, including the learning outcome (average performance across the 6 trials) and the long-term memory recall (10-minute delay). Results: The …
Are The Metabolic Benefits Of Resistance Training In Type 2 Diabetes Linked To Improvements In Adipose Tissue Microvascular Blood Flow?, Donghua Hu, Ryan D. Russell, Devika Remash, Timothy Greenaway, Stephen Rattigan, Kathryn A. Squibb, Graeme Jones, Renee M. Ross, Christian K. Roberts, Dino Premilovac
Are The Metabolic Benefits Of Resistance Training In Type 2 Diabetes Linked To Improvements In Adipose Tissue Microvascular Blood Flow?, Donghua Hu, Ryan D. Russell, Devika Remash, Timothy Greenaway, Stephen Rattigan, Kathryn A. Squibb, Graeme Jones, Renee M. Ross, Christian K. Roberts, Dino Premilovac
Health & Human Performance Faculty Publications and Presentations
The microcirculation in adipose tissue is markedly impaired in type 2 diabetes (T2D). Resistance training (RT) often increases muscle mass and promotes a favorable metabolic profile in people with T2D, even in the absence of fat loss. Whether the metabolic benefits of RT in T2D are linked to improvements in adipose tissue microvascular blood flow is unknown. Eighteen sedentary people with T2D (7 women/11 men, 52 ± 7 yr) completed 6 wk of RT. Before and after RT, overnight-fasted participants had blood sampled for clinical chemistries (glucose, insulin, lipids, HbA1c, and proinflammatory markers) and underwent an oral glucose challenge (OGC; …
Association Between Bone-Specific Physical Activity Scores And Pqct-Derived Measures Of Bone Strength And Geometry In Healthy Young And Middle-Aged Premenopausal Women., Sojung Kim, Breanne S Baker, Pragya Sharma-Ghimire, Debra A Bemben, Michael G Bemben
Association Between Bone-Specific Physical Activity Scores And Pqct-Derived Measures Of Bone Strength And Geometry In Healthy Young And Middle-Aged Premenopausal Women., Sojung Kim, Breanne S Baker, Pragya Sharma-Ghimire, Debra A Bemben, Michael G Bemben
Faculty Scholarship for the College of Science & Mathematics
The aim of this study was to determine if bone-specific physical activity questionnaire (BPAQ) scores were positively related to bone health in healthy young and middle-aged premenopausal women. The total BPAQ was a stronger predictor of bone strength and bone mineral density of hip in young women as compared to middle-aged premenopausal women.
PURPOSE: The purpose of this study was to determine whether the BPAQ scores were predictive indices of volumetric BMD (vBMD), bone strength, and bone geometry in young and middle-aged premenopausal women.
METHODS: Healthy young (n = 60) and middle-aged premenopausal women (n = 54) between the ages …
Are The Hypertrophic Adaptations To High And Low-Load Resistance Training Muscle Fiber Type Specific?, Jozo Grgic, Brad J. Schoenfeld
Are The Hypertrophic Adaptations To High And Low-Load Resistance Training Muscle Fiber Type Specific?, Jozo Grgic, Brad J. Schoenfeld
Publications and Research
No abstract provided.
The Relationship Between Habitual Physical Activity And Food Choices, Safiya E. Beckford
The Relationship Between Habitual Physical Activity And Food Choices, Safiya E. Beckford
Department of Nutrition and Health Sciences: Dissertations, Theses, and Student Research
Physical activity (PA) and exercise aid in prevention and treatment of obesity and its comorbidities. Previous research has demonstrated a J-shaped curve between activity level and food intake, but minimal research examines whether PA and exercise affect food choices. As such, the aim of this study was to determine the relationship between habitual PA and exercise with food choices. 174 participants completed an electronic survey involving a series of binary choices among food options (aided by visual food cues) with varying reward values and time points. Participants also completed monetary binary choice questions and an exercise and activity questionnaire, with …
Strengthening The Practice Of Exercise And Sport-Science Research, Israel Halperin, Andrew D. Vigotsky, Carl Foster, David B. Pyne
Strengthening The Practice Of Exercise And Sport-Science Research, Israel Halperin, Andrew D. Vigotsky, Carl Foster, David B. Pyne
Research outputs 2014 to 2021
Exercise and sport sciences continue to grow as a collective set of disciplines investigating a broad array of basic and applied research questions. Despite the progress, there is room for improvement. A number of problems pertaining to reliability and validity of research practices hinder advancement and the potential impact of the field. These problems include inadequate validation of surrogate outcomes, too few longitudinal and replication studies, limited reporting of null or trivial results, and insufficient scientific transparency. The purpose of this review is to discuss these problems as they pertain to exercise and sport sciences based on their treatment in …
Optimal Nutrition For Endurance Exercise: A Systematic Review, Sarah E. Andrus Ms, Bruce W. Andrus Md Ms
Optimal Nutrition For Endurance Exercise: A Systematic Review, Sarah E. Andrus Ms, Bruce W. Andrus Md Ms
Dartmouth Scholarship
Introduction
As fatigue in endurance events correlates with depletion of muscle glycogen, the traditional approach to nutritional support has been carbohydrate loading. However, there has been recent interest in improving athletic endurance performance by novel diets in the days to weeks prior to endurance events, the pre-event meal, and during exercise.
Methods
We searched PubMed and SCOPUS for randomized trials published from 1992-2017 with a primary endpoint of endurance performance. We identified 407 citations which were examined against our inclusion criteria of randomization or crossover allocation to diet and for which a primary outcome was endurance performance.
Results
Twenty full …
Relationship Between Bone-Specific Physical Activity Scores And Measures For Body Composition And Bone Mineral Density In Healthy Young College Women., Sojung Kim, Wi-Young So, Jooyoung Kim, Dong Jun Sung
Relationship Between Bone-Specific Physical Activity Scores And Measures For Body Composition And Bone Mineral Density In Healthy Young College Women., Sojung Kim, Wi-Young So, Jooyoung Kim, Dong Jun Sung
Faculty Scholarship for the College of Science & Mathematics
OBJECTIVE: The purpose of this cross-sectional study was to investigate the relationship between bone-specific physical activity (BPAQ) scores, body composition, and bone mineral density (BMD) in healthy young college women.
METHODS: Seventy-three college women (21.7 ± 1.8 years; 162.1 ± 4.6 cm; 53.9 ± 5.8 kg) between the ages of 19 and 26 years were recruited from the universities in Seoul and Gyeonggi province, South Korea. We used dual energy X-ray absorptiometry to measure the lumbar spine (L2-L4) and proximal femur BMD (left side; total hip, femoral neck). The BPAQ scores (past, pBPAQ; current, cBPAQ; total, tBPAQ) were used to …
Gender Differences In Vo2 And Hr Kinetics At The Onset Of Moderate And Heavy Exercise Intensity In Adolescents, Nicola Lai, Alessandro Martis, Alfredo Belfiori, Fatima Tolentino-Silva, Melita M. Nasca, James Strainic, Marco E. Cabrera
Gender Differences In Vo2 And Hr Kinetics At The Onset Of Moderate And Heavy Exercise Intensity In Adolescents, Nicola Lai, Alessandro Martis, Alfredo Belfiori, Fatima Tolentino-Silva, Melita M. Nasca, James Strainic, Marco E. Cabrera
Electrical & Computer Engineering Faculty Publications
The majority of the studies on VO2 kinetics in pediatric populations investigated gender differences in prepubertal children during submaximal intensity exercise, but studies are lacking in adolescents. The purpose of this study was to test the hypothesis that gender differences exist in the VO2 and heart rate (HR) kinetic responses to moderate (M) and heavy (H) intensity exercise in adolescents. Twenty-one healthy African-American adolescents (9 males, 15.8 ± 1.1 year; 12 females, 15.7 ± 1 year) performed constant work load exercise on a cycle ergometer at M and H. The VO2 kinetics of the male group was …
Physical Activity/Exercise And Diabetes: A Position Statement Of The American Diabetes Association, Sheri R. Colberg, Ronald J. Sigal, Jane E. Yardley, Michael C. Riddell, David W. Dunstan, Paddy C. Dempsey
Physical Activity/Exercise And Diabetes: A Position Statement Of The American Diabetes Association, Sheri R. Colberg, Ronald J. Sigal, Jane E. Yardley, Michael C. Riddell, David W. Dunstan, Paddy C. Dempsey
Human Movement Sciences Faculty Publications
The adoption and maintenance of physical activity are critical foci for blood glucose management and overall health in individuals with diabetes and prediabetes. Recommendations and precautions vary depending on individual characteristics and health status. In this Position Statement, we provide a clinically oriented review and evidence-based recommendations regarding physical activity and exercise in people with type 1 diabetes, type 2 diabetes, gestational diabetes mellitus, and prediabetes.
Physical activity includes all movement that increases energy use, whereas exercise is planned, structured physical activity. Exercise improves blood glucose control in type 2 diabetes, reduces cardiovascular risk factors, contributes to weight loss, and …
Voluntary Exercise Protects Against Methamphetamine-Induced Oxidative Stress In Brain Microvasculature And Disruption Of The Blood--Brain Barrier, Michal Toborek, Melissa J. Seelbach, Cetewayo S. Rashid, Ibolya E. András, Lei Chen, Minseon Park, Karyn A. Esser
Voluntary Exercise Protects Against Methamphetamine-Induced Oxidative Stress In Brain Microvasculature And Disruption Of The Blood--Brain Barrier, Michal Toborek, Melissa J. Seelbach, Cetewayo S. Rashid, Ibolya E. András, Lei Chen, Minseon Park, Karyn A. Esser
Physiology Faculty Publications
BACKGROUND: There is no effective therapeutic intervention developed targeting cerebrovascular toxicity of drugs of abuse, including methamphetamine (METH). We hypothesize that exercise protects against METH-induced disruption of the blood--brain barrier (BBB) by enhancing the antioxidant capacity of cerebral microvessels and modulating caveolae-associated signaling. Mice were subjected to voluntary wheel running for 5 weeks resembling the voluntary pattern of human exercise, followed by injection with METH (10 mg/kg). The frequency, duration, and intensity of each running session were monitored for each mouse via a direct data link to a computer and the running data are analyzed by Clock labTM Analysis software. …
Development And Validation Of A Predictive Model Of Acute Glucose Response To Exercise In Individuals With Type 2 Diabetes, Bryan S. Gibson, Sheri R. Colberg, Paul Poirier, Denise Maria Martins Vancea, Jason Jones, Robin Marcus
Development And Validation Of A Predictive Model Of Acute Glucose Response To Exercise In Individuals With Type 2 Diabetes, Bryan S. Gibson, Sheri R. Colberg, Paul Poirier, Denise Maria Martins Vancea, Jason Jones, Robin Marcus
Human Movement Sciences Faculty Publications
Background: Our purpose was to develop and test a predictive model of the acute glucose response to exercise in individuals with type 2 diabetes.
Design and methods: Data from three previous exercise studies (56 subjects, 488 exercise sessions) were combined and used as a development dataset. A mixed-effects Least Absolute Shrinkage Selection Operator (LASSO) was used to select predictors among 12 potential predictors. Tests of the relative importance of each predictor were conducted using the Lindemann Merenda and Gold (LMG) algorithm. Model structure was tested using likelihood ratio tests. Model accuracy in the development dataset was assessed by leave-one-out cross-validation. …
Blood Glucose Responses To Type, Intensity, Duration, And Timing Of Exercise, Sheri R. Colberg, Manuel J. Hernandez, Fatima Shahzad
Blood Glucose Responses To Type, Intensity, Duration, And Timing Of Exercise, Sheri R. Colberg, Manuel J. Hernandez, Fatima Shahzad
Human Movement Sciences Faculty Publications
[First Paragraph] The Big Blue Test (BBT) is an annual initiative by the Diabetes Hands Foundation to raise awareness of the importance of physical activity in managing diabetes. Individuals with diabetes voluntarily exercise and record self-monitored blood glucose levels. During the 2012 BBT, 5,157 diabetic participants (~90% insulin users) anonymously entered exercise type, intensity, duration, time elapsed since last meal, and blood glucose readings before and after one or more bouts of exercise separately through www.BigBlueTest.org or an Iphone app.
The Effects Of Rectal Temperature And Hydration Status On Perceptual Ratings In Dehydrating Males, Ethan A. Talbot
The Effects Of Rectal Temperature And Hydration Status On Perceptual Ratings In Dehydrating Males, Ethan A. Talbot
Honors Scholar Theses
Athletes push the limits of what the human body can handle every day. When they exercise in the heat, they can attain dangerous levels of internal temperature and dehydration. Since athletes are sometimes not aware when they are experiencing severe hyperthermia or hypohydration, it is of interest to anyone who exercises in the heat to study whether athletes are consciously aware that they are approaching dangerous physiological limits. This study compares the perceptual values of athletes exercising in the heat to the changes in their internal temperature and hydration status, to see if athletes can reliably predict their heat and …
Determination Of Energy Expenditure During Pregnancy And Its Comparison To The Compendium Of Physical Activity Values: A Pilot Study, Laura K. Dahmer, Dawn Podulka Coe, Brian Hatzel
Determination Of Energy Expenditure During Pregnancy And Its Comparison To The Compendium Of Physical Activity Values: A Pilot Study, Laura K. Dahmer, Dawn Podulka Coe, Brian Hatzel
Student Summer Scholars Manuscripts
Current exercises recommended during pregnancy are prescribed at the same intensity as the general adult population, 3-6 METs. It is unclear whether these MET values can be applied to the pregnant population. Purpose: To determine energy expenditure of pregnant women while participating in three exercises (walking, stationary biking, and prenatal aerobics) during the second and third trimesters. And second, to determine whether the energy expenditure of the exercises would change from the second to third trimester. Methods: Participants were 3 women, ages 23-32, in their second trimester (weeks 14-26) of pregnancy at commencement of the study. Subjects reported to the …