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Articles 1081 - 1110 of 2356

Full-Text Articles in Kinesiology

Self-Optimization Of Stride Length Among Experienced And Inexperienced Runners, Iain Hunter, James B. Tracy, Jared Ward Apr 2017

Self-Optimization Of Stride Length Among Experienced And Inexperienced Runners, Iain Hunter, James B. Tracy, Jared Ward

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 446-453, 2017. Experienced runners appear to naturally select a stride length which is optimal for minimizing oxygen uptake. However, whether this ability is naturally built into the human body or whether it is learned through experience has not been previously tested. This study investigated whether inexperienced runners are as capable as experienced runners of self-optimizing stride length to minimize oxygen uptake. Thirty-three subjects (nineteen experienced and fourteen inexperienced) ran for twenty-minutes while preferred and economical stride lengths were measured. A t-test checked for differences between the experienced and inexperienced groups in the percent increase …

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Hypotensive Responses Of Reciprocal Supersets Versus Traditional Resistance Training In Apparently Healthy Men, Claudio Melibeu Bentes, Pablo B. Costa Corresponding Author, Victor Gonçalves Corrêa Neto, Roberto Simão, Gabriel Andrade Paz, Marianna Maia, Tiago Figueiredo, Gabriel Rodrigues Neto, Jefferson S. Novaes, Humberto Miranda Apr 2017

Hypotensive Responses Of Reciprocal Supersets Versus Traditional Resistance Training In Apparently Healthy Men, Claudio Melibeu Bentes, Pablo B. Costa Corresponding Author, Victor Gonçalves Corrêa Neto, Roberto Simão, Gabriel Andrade Paz, Marianna Maia, Tiago Figueiredo, Gabriel Rodrigues Neto, Jefferson S. Novaes, Humberto Miranda

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 434-445, 2017. The purpose of this study was to compare the hypotensive responses of reciprocal supersets (SS) versus traditional training (TRAD) methods. Thirteen men with at least five years of recreational experience in resistance training (RT) volunteered for the study. When completing the TRAD protocol, participants performed the following exercises separately in sequence: chest press (CP), low row (LR), leg extension (LE), leg curl (LC), pull down (PD), and shoulder press (SP). The SS method required participants to complete the same exercises as in the TRAD protocol, but exercises were coupled such that muscles …

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Passion For Academics And Problematic Health Behaviors, Alex T. Bureau, Selen Razon Ph.D, Umit Tokac, Bryan K. Saville, Lawrence W. Judge Apr 2017

Passion For Academics And Problematic Health Behaviors, Alex T. Bureau, Selen Razon Ph.D, Umit Tokac, Bryan K. Saville, Lawrence W. Judge

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 417-433, 2017. According to the Dualistic Model of Passion (39), passion entails valuing, liking, and spending time on an activity. The Dualistic Model also posits two types of passion for activities: harmonious passion (individual voluntarily engages in the activity) and obsessive passion (individual is compelled to engage in the activity). The purpose of the present study was to examine the possible links between college students’ passion for academic activities and problematic health behaviors including smoking, excessive drinking, exercise addiction, disordered eating, and sleepiness, which is a possible indicator of sleep deprivation. Participants (n = …

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Resistance Training Contribute To The Aerobic Components Of An Exercise Session In Adults But Not As Much In Older Adults, Neha Bharti, Travis Hrubeniuk, Andrea Mayo, Martin Senechal, Danielle R. Bouchard Apr 2017

Resistance Training Contribute To The Aerobic Components Of An Exercise Session In Adults But Not As Much In Older Adults, Neha Bharti, Travis Hrubeniuk, Andrea Mayo, Martin Senechal, Danielle R. Bouchard

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 406-416, 2017. Previous research has indicated that active adults are able to achieve moderate intensity as measured via heart rate during a typical resistance training (RT) session. The main objective was to identify if overweight adults and older adults can reach aerobic moderate intensity at a rate comparable to adults displaying a recommended body mass index. Twenty participants in each group were asked to visit a fitness facility twice if they self-reported doing RT for a minimum two days per week. At the first session baseline characteristics and maximal lifting capacity for each RT …

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College Students’ Knowledge Of Recovery Beverage Serving Sizes, Stephanie Lewis, Victoria Baxter, Kim Spaccarotella, Walter Andzel Apr 2017

College Students’ Knowledge Of Recovery Beverage Serving Sizes, Stephanie Lewis, Victoria Baxter, Kim Spaccarotella, Walter Andzel

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 397-405, 2017. Previous research suggests that chocolate milk may be a beneficial recovery beverage, yet little is known about how athletes and students training for careers in sports science or health-related fields interpret recommended recovery beverage serving sizes. This study examined college students’ ability to correctly apply serving size recommendations for chocolate milk and protein powder used during post-exercise recovery and assessed usual consumption of milk as a recovery beverage. College students (34 women, 39 men) poured the amount of chocolate milk they would consume within 90 minutes after exercise unaided and with the …

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The Effect Of Acute Hyperglycemia On Muscular Strength, Power And Endurance, Franklin Lime-Ma, Joshua A. Cotter, Evan E. Schick Apr 2017

The Effect Of Acute Hyperglycemia On Muscular Strength, Power And Endurance, Franklin Lime-Ma, Joshua A. Cotter, Evan E. Schick

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 390-396, 2017. The purpose of this study was to elucidate the impact of acute hyperglycemia on skeletal muscle strength, power, and endurance. Ten male collegiate athletes (age 21.5 ± 1.5 years, height 186 ± 2.03 cm, body mass 108.8 ± 7.6 kg) participated in 2 testing sessions, separated by 7 days and randomized for either high glucose (HG) or control (C) treatment conditions. HG consumed a high glucose drink (2 g glucose/kg body weight) while controls consumed an isocaloric nutrition bar (40% protein, 30% fat, and 30% carbohydrate). Blood glucose (BC) levels for HG …

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Better Health-Related Fitness In Youth: Implications For Public Health Guidelines, Mitch Barton, Allen W. Jackson, Scott B. Martin, James R. Morrow Jr., Trent A. Petrie, Christy A. Greenleaf Apr 2017

Better Health-Related Fitness In Youth: Implications For Public Health Guidelines, Mitch Barton, Allen W. Jackson, Scott B. Martin, James R. Morrow Jr., Trent A. Petrie, Christy A. Greenleaf

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 379-389, 2017. Public health guidelines for physical activity (PA) behaviors are being updated with 2018 as a proposed release date. Currently, ≥60 minutes of daily PA are recommended for youth. Thus, the purpose of this study was to investigate the association between reported days of aerobic PA and health-related fitness (HRF). Participants included 4448 students in grades 6-8. Self-reported days of ≥60 minutes of aerobic PA was obtained. HRF was assessed with FitnessGram. Discriminant analysis indicated that weekly days of aerobic PA related to HRF. Adolescents who participated in ≥5 days of weekly aerobic …

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Time Course Of Changes In Neuromuscular Responses At 30% Versus 70% 1 Repetition Maximum During Dynamic Constant External Resistance Leg Extensions To Failure, Cory M. Smith, Terry J. Housh, Ethan C. Hill, Richard J. Schmidt, Glen O. Johnson Apr 2017

Time Course Of Changes In Neuromuscular Responses At 30% Versus 70% 1 Repetition Maximum During Dynamic Constant External Resistance Leg Extensions To Failure, Cory M. Smith, Terry J. Housh, Ethan C. Hill, Richard J. Schmidt, Glen O. Johnson

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 365-378, 2017. The purpose of the current study was to examine the time course of changes in neuromuscular responses from the vastus medialis (VM) during low versus high intensity dynamic constant external resistance (DCER) leg extension muscle actions to failure. Thirteen men performed DCER leg extensions to failure at 30% and 70% 1-repetition maximum (1-RM) as well as 1-RM measurements pretest and posttest. Electromyogaphy and mechanomyographic signals were measured from the VM. There were no differences in neuromuscular responses pretest versus posttest 1-RM. There were time-dependent differences between the 30% and 70% 1-RM protocols. …

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Effects Of Different Number Of Sets Of Resistance Training On Flexibility, Thalita B. Leite, Pablo B. Costa, Richard D. Leite, Jefferson S. Novaes, Steven J. Fleck, Roberto Simão Apr 2017

Effects Of Different Number Of Sets Of Resistance Training On Flexibility, Thalita B. Leite, Pablo B. Costa, Richard D. Leite, Jefferson S. Novaes, Steven J. Fleck, Roberto Simão

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 354-364, 2017. The aim of this study was to investigate the effects of six months of training with three different number of sets of resistance training on flexibility in young men. Forty-seven men (mean ± SD age = 24 ± 1yrs; body mass = 79.39 ± 9.12 kg; height = 174.5 ± 5.6 cm) were randomly divided into three training groups performing either one set (G1S), three sets (G3S), or five sets (G5S) of all exercises in a resistance training session or a control group (CG). All groups were assessed pre- and post-training for …

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A Low Dose Caffeine And Carbohydrate Supplement Does Not Improve Athletic Performance During Volleyball Competition, David Pfeifer, Kelsey Arvin, Nicholas Haynes, Courtney Herschberger, Matthew S. Renfrow Apr 2017

A Low Dose Caffeine And Carbohydrate Supplement Does Not Improve Athletic Performance During Volleyball Competition, David Pfeifer, Kelsey Arvin, Nicholas Haynes, Courtney Herschberger, Matthew S. Renfrow

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 340-353, 2017. Dietary supplements are widely used to enhance sport performance and the combination of carbohydrate and caffeine (CHO+CAF) has yielded particularly high performance gains. Though the effects of a CHO+CAF supplement have been studied in a laboratory environment, little research exists on the effects of supplementation during competition. Therefore, the purpose of this study was to determine the effects of a CHO+CAF supplement on athletic performance in competition. Eight female collegiate volleyball players completed three testing sessions under three different conditions separated by approximately one week each: CHO+CAF supplement, placebo (PBO), and control …

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The Relationship Of Living Environment With Behavioral And Fitness Outcomes By Sex: An Exploratory Study In College-Aged Students, Kaelah Shaffer, Melissa Bopp, Zack Papalia, Dangaia Sims, Christopher M. Bopp Apr 2017

The Relationship Of Living Environment With Behavioral And Fitness Outcomes By Sex: An Exploratory Study In College-Aged Students, Kaelah Shaffer, Melissa Bopp, Zack Papalia, Dangaia Sims, Christopher M. Bopp

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 330-339, 2017. Although physical activity (PA) is associated with several health benefits, there is a marked decline during college years, which is an influential period for the development of health behaviors. This study examined the relationship of neighborhood and living environment with behavioral (PA and sedentary behavior) and fitness outcomes by sex. Participants were college students that participated in a fitness assessment, followed by a survey that measured self-reported exercise and perception of one’s environment (sidewalks, crime, traffic, access to PA resources in their neighborhood and/or apartment complex). Pearson correlations examined the relationship between …

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How Different Respiratory Rate Patterns Affect Cardiorespiratory Variables And Performance, Harutiun Minas Nalbandian, Zsolt Radak, Jun Taniguchi, Masaki Takeda Apr 2017

How Different Respiratory Rate Patterns Affect Cardiorespiratory Variables And Performance, Harutiun Minas Nalbandian, Zsolt Radak, Jun Taniguchi, Masaki Takeda

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 322-329, 2017. This study aims to elucidate how respiratory rate (RR) patterns may affect respiratory gas exchange variables and performance during incremental intensity- exercise. 10 healthy young men (mean ± SD, age: 20.7 ± 0.5 years, height: 174.3 ± 5.7 cm, and body mass: 72.6 ± 10.4 kg) performed three incremental tests on a cycle ergometer at three different RR (60, 45 and 30 breaths per min) in each trial. During the tests, tidal volume (TV), minute ventilation (VE), fractional content of oxygen (FeO2), fractional content of carbon dioxide (FeCO2), …

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The Determination Of Total Energy Expenditure During And Following Repeated High-Intensity Intermittent Sprint Work, Christopher Irvine, Matthew Laurent, Kaitlyn Kielsmeier, Stephanie Douglas, Matthew Kutz, Adam Fullenkamp Apr 2017

The Determination Of Total Energy Expenditure During And Following Repeated High-Intensity Intermittent Sprint Work, Christopher Irvine, Matthew Laurent, Kaitlyn Kielsmeier, Stephanie Douglas, Matthew Kutz, Adam Fullenkamp

International Journal of Exercise Science

International Journal of Exercise Science 10(3): 312-321, 2017. The purpose of this study was to examine the variation in oxidative, glycolytic, and post-exercise O2 kinetic contribution during two distinct high-intensity interval training (HIIT) protocols using a 1:1 work-to-rest ratio (30:30 sec) and a 2:1 work-to-rest ratio (30:15 sec). HIIT familiarized males (n =6) and females (n = 8) were recruited for this study. All subject underwent 3 testing session, an incremental maximal exertion treadmill test and 30:30 and 30:15 HIIT protocols in a counterbalanced order. Each HIIT protocol measured oxygen consumption (VO2), carbon dioxide production …

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Efficacy Of A Mobile Application For Improving Gait Performance In Community-Dwelling Older Adults, Dustin Glenn Falls Apr 2017

Efficacy Of A Mobile Application For Improving Gait Performance In Community-Dwelling Older Adults, Dustin Glenn Falls

Masters Theses & Specialist Projects

The United States is a rapidly aging nation. Older adults have higher rates of falls than any other age group. One in four older adults fall each year. Many of these falls are associated with sedentary lifestyles and decreased muscular strength effecting balance and gait performance. Physical activity (exercise) can reduce the risk of falls among older adults, yet adherence remains low. Exergames can increase adherence to interventions that promote health and physical activity. Social engagement can increase self-efficacy and motivation to exercise. By design, the Bingocize® health promotion mobile application (app) increases social engagement, while providing a multi-factorial fall …

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Senior Woman Administrator: The Definition, Challenges, Influence, And Perceptions, Jacqueline Michelle Mcgill Apr 2017

Senior Woman Administrator: The Definition, Challenges, Influence, And Perceptions, Jacqueline Michelle Mcgill

Masters Theses & Specialist Projects

Diversity efforts implemented by the National Collegiate Athletic Association (NCAA) hope to improve the Association through the addition of multiple voices in athletics. Notably, the Senior Woman Administrator (SWA) designation is intended to encourage and promote the involvement of female administrators in meaningful ways in the decision-making process in intercollegiate athletics. This role, created under Article 4.02.4 of the NCAA constitution, is to be filled by the highest ranking female in each NCAA athletic department or member conference (Levick, 2002; Raphaely, 2003). Given the evolving definition and nature of the SWA designation and of female managerial roles (Eagly & Karau, …

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The Acute Impact Of A High-Fat Load On Pbmcs Among Women: The Impact Of Ethnicity And Weight Status, Regis Pearson Apr 2017

The Acute Impact Of A High-Fat Load On Pbmcs Among Women: The Impact Of Ethnicity And Weight Status, Regis Pearson

Masters Theses & Specialist Projects

Peripheral blood mononuclear cells (PBMCs) can respond to dietary stimuli modulating the up-regulation of pro-inflammatory cell signaling, which is associated with metabolic disease and has been seen to be elevated in African American (AA) when compared to Caucasian American (CA) women. Little is known about the response of PBMCs to a high fat meal among women and the potential impact of ethnicity and/or weight status on this response. The purpose of this study was to examine PBMC response to consuming a high fat meal and the response to culturing PBMCs in media supplemented with lipid among AA and CA women, …

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Metabolic Flexibility Among Women After A Single High Fat Meal, Alyssa Olenick Apr 2017

Metabolic Flexibility Among Women After A Single High Fat Meal, Alyssa Olenick

Masters Theses & Specialist Projects

PURPOSE: Obese women have increased rates of metabolic diseases compared to those of healthy weight status. Additionally, African-American (AA) women have higher rates of metabolic disease compared to Caucasian (CA) women. Metabolic inflexibility is the inability to adjust substrate oxidation in response to dietary intake; potentially leading to weight gain and the development of metabolic disease. Few studies have investigated the impact of weight status and/or ethnicity on the metabolic response of women to a single high fat meal. An acute unfavorable metabolic response may contribute to the higher incidence of metabolic disease among not only obese, but also AA …

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Psychophysiological Tracking Of A Female Physique Competitor Through Competition Preparation, Brandon Jay Rohrig, Robert W. Pettitt, Cherie Pettitt, Todd Kanzenbach Mar 2017

Psychophysiological Tracking Of A Female Physique Competitor Through Competition Preparation, Brandon Jay Rohrig, Robert W. Pettitt, Cherie Pettitt, Todd Kanzenbach

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 301-311, 2017. Natural physique competitions are based on subjective judgments of how a competitor appears on show day. Prior to competition, there is a prolonged dieting phase referred to as contest preparation. The primary goal is to reduce body fat levels while maintaining skeletal muscle mass. The study tracked the physiological and psychological changes for a 24 year old female preparing for a physique competition. Purpose: The study was conducted to describe the physiological and psychological changes of a female physique competitor who engages in long-term contest preparation. Methods: Diet, body composition, blood work, …

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Comparison Of Whole-Body Cooling Techniques For Athletes And Military Personnel, Emma A. Nye, Lindsey E. Eberman, Kenneth E. Games, Colin Carriker Mar 2017

Comparison Of Whole-Body Cooling Techniques For Athletes And Military Personnel, Emma A. Nye, Lindsey E. Eberman, Kenneth E. Games, Colin Carriker

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 294-300, 2017. The purpose of this study was to evaluate cooling rates of The Polar Life Pod®, a military protocol and cold water immersion. A randomized, repeated measures design was used to compare three treatment options. Participants exercised in an environmental chamber, where they followed a military march protocol on a treadmill, followed by the application of one of three treatments: Cold water immersion tub (5 – 10 °C), Polar Life Pod® (5 – 10 °C), Ice sheets at onset (5 – 10 °C). Mean cooling rate for CWI was 0.072 ºC/min, 0.046ºC/min for …

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Orchard Sports Injury Classification System 10.1 Plus: An End-User Study, Ashley K. Crossway, Kenneth E. Games, Lindsey E. Eberman, Neil Fleming Mar 2017

Orchard Sports Injury Classification System 10.1 Plus: An End-User Study, Ashley K. Crossway, Kenneth E. Games, Lindsey E. Eberman, Neil Fleming

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 284-293, 2017. The purpose of this study was to establish the level of ease of use and effectiveness of the Orchard Sport Injury Classification System (OSICS) 10.1 Plus for recording injuries and interventions. Three hundred and forty-two (males=148, females=192, no response=2; age=30.9±9.5y; experience=9.1±10.5y) athletic trainers (ATs) in the United States completed the survey. Participants were primarily employed in the secondary school (n=135) or collegiate setting (n=171). Participants entered system includes the OSICS 10.1 to catalog injuries and Current Procedural Terminology (CPT) codes to document interventions. Participants completed an 18-item end-user evaluation to assess the …

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A 15-Week Vitamin D Supplementation And Indoor Cycling Intervention Reduces Exercising Heart Rate, With No Effect On Glycaemic Control In Healthy Adults: A Pilot Investigation., Ffion Curtis, Rhys Thatcher, Sam Rice, Glen Davison Mar 2017

A 15-Week Vitamin D Supplementation And Indoor Cycling Intervention Reduces Exercising Heart Rate, With No Effect On Glycaemic Control In Healthy Adults: A Pilot Investigation., Ffion Curtis, Rhys Thatcher, Sam Rice, Glen Davison

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 274-283, 2017 Significant positive correlations are often observed between vitamin D concentrations and physical activity levels. Whilst this may be due to individuals who are physically active spending time outdoors (i.e. increased opportunity for vitamin D synthesis), there is growing evidence to suggest a more complex relationship between vitamin D status, physical fitness and health outcomes. To explore this further thirty-nine healthy adults were randomly allocated to 15 weeks of exercise training (Ex), no training (NoEx), 2000 IU/day vitamin D (VitD) and/or placebo (Pla) supplementation (giving four possible allocations: NoEx+VitD; NoEx+Pla; Ex+VitD; Ex+Pla). Vitamin …

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Effect Of Caffeine On Near Maximal Blood Pressure And Blood Pressure Recovery In Physically-Active, College-Aged Females, Laura E. Connahan, Christopher A. Ott, Vaughn W. Barry Mar 2017

Effect Of Caffeine On Near Maximal Blood Pressure And Blood Pressure Recovery In Physically-Active, College-Aged Females, Laura E. Connahan, Christopher A. Ott, Vaughn W. Barry

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 266-273, 2017 The purpose of this study is to determine how caffeine affects exercise blood pressure (BP) and active and passive recovery BP after vigorous intensity exercise in physically active college-aged females. Fifteen physically active, ACSM stratified low-risk females (age (y): 23.53 ± 4.07, weight (kg): 60.34 ± 3.67, height (cm): 165.14 ± 7.20, BMI (kg/m2): 22.18 ± 1.55) participated in two Bruce protocol exercise tests. Before each test participants consumed 1) a placebo or 2) 3.3 mg·kg-1 of caffeine at least one hour before exercise in a counterbalanced double-blinded fashion. …

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Effect Of Swedish Massage On Doms After Strenuous Exercise, Cathleen Holub, John D. Smith Mar 2017

Effect Of Swedish Massage On Doms After Strenuous Exercise, Cathleen Holub, John D. Smith

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 258-265, 2017. Delayed onset muscle soreness (DOMS) can occur after intense exercise and remain for several days. Massage is one means by which DOMS can be reduced; however, the timing of exercise, techniques applied, and timing of application produces differing outcomes. Purpose: To evaluate the effect of a 20-minute Swedish massage immediately after strenuous exercise on DOMS. Procedures: Twenty college students engaged in two sets of a squatting exercise to fatigue and then the right or the left leg was immediately massaged. Effleurage, petrissage, friction and compression manual techniques were used for 10 minutes …

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Adherence To Exercise Prescription And Improvements In The Clinical And Vascular Health Of African Americans, Dianne Babbitt Mar 2017

Adherence To Exercise Prescription And Improvements In The Clinical And Vascular Health Of African Americans, Dianne Babbitt

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 246-257, 2017. Improvements in indices of vascular health and endothelial function have been inversely associated with hypertension, a risk factor for cardiovascular disease (e.g., myocardial infarction, stroke, and heart failure), renal failure, and mortality. Aerobic exercise training (AEXT) has been positively associated with improvements in clinical health values, as well as vascular health biomarkers, and endothelial function. The purpose of this study was to evaluate whether measures of exercise adherence were related to clinical outcome measures and indices of vascular health subsequent to a 6-month AEXT intervention in a middle-to-older aged African American cohort. …

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Motivation Of Shoulder Surgery Patients For Rehabilitation, Skyler W. Jorgensen, Matthew R. Bice, Scott Unruh, Kazuma Akehi, Heber Crockett, Joel Mcreynolds Mar 2017

Motivation Of Shoulder Surgery Patients For Rehabilitation, Skyler W. Jorgensen, Matthew R. Bice, Scott Unruh, Kazuma Akehi, Heber Crockett, Joel Mcreynolds

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 234-245, 2017 Motivation can be a valuable construct during physical rehabilitation. Rehabilitation can be uncomfortable and painful, testing patients’ rehabilitation motivation and continued participation. Maintaining motivation throughout rehabilitation is important for patients to return to optimal joint motion and daily functioning. The purpose of this research project was to examine rehabilitation motivation after shoulder surgery (rotator cuff repairs, slap repairs, biceps tenodesis, acromioplasty, distal clavicle excision or combination). Persons who underwent shoulder surgery (December 2014 – April 2015) voluntarily participated in the study. The Self Regulation Questionnaire was used to assess patients’ self-regulation and …

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Non-Invasive Measures Of Core Temperature Versus Ingestible Thermistor During Exercise In The Heat, Donovan L. Fogt, Andrea L. Henning, Adam Venable, Brian K. Mcfarlin Mar 2017

Non-Invasive Measures Of Core Temperature Versus Ingestible Thermistor During Exercise In The Heat, Donovan L. Fogt, Andrea L. Henning, Adam Venable, Brian K. Mcfarlin

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 225-233, 2017 The accuracy of core temperature (Tc) thermometry from temporal, tympanic, and oral thermometry devices has been variable during exercise in a hot, humid environment. The purpose of the present study was to cross-validate temporal, two tympanic devices, and oral devices compared to an ingestible thermistor during exercise in a hot, humid environment. Fourteen young, active adults (6 women) completed a graded exercise test until voluntary exhaustion in an environmental chamber (35.5 ± 0.6 °C, 53.9 ± 5.8 % RH). There was no statistical difference in mean temperature between tympanic device …

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Recovery Of Hip And Back Muscle Fatigue Following A Back Extension Endurance Test, Sharon Wang-Price, Mohammad Almadan, Carissa Stoddard, Dustin Moore Mar 2017

Recovery Of Hip And Back Muscle Fatigue Following A Back Extension Endurance Test, Sharon Wang-Price, Mohammad Almadan, Carissa Stoddard, Dustin Moore

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 213-224, 2017 Literature has not shown the minimum time required to recover from muscle fatigue after a prolonged trunk isometric contraction. The purpose of this study was to determine if the lumbar multifidus (LM) and gluteus maximus (GM) muscles would recover from fatigue after three different rest periods following performance of a back extension endurance test. Endurance time and electromyographic (EMG) activity of bilateral LM and GM muscles were collected from 12 healthy adults during a modified Biering-Sørensen test. On three separate visits, each participant performed two modified Biering-Sørensen tests, one before and one …

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Parental Influences And The Relationship To Their Children’S Physical Activity Levels, Nathan Chiarlitti, Angela Kolen Mar 2017

Parental Influences And The Relationship To Their Children’S Physical Activity Levels, Nathan Chiarlitti, Angela Kolen

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 205-212, 2017 Engaging in a physically active lifestyle relates positively to current health and reduces chances of chronic diseases in the future. Given escalating health care costs, it is paramount to reduce illnesses associated with a lack of physical activity and thus critical to identify factors that influence physical activity - especially in children, with the opportunity for a lifetime impact. One of these influencing factors may be parents/guardians. The intent of this study was to examine the relationship between children’s physical activity levels and parental factors including parental physical activity, support/encouragement, restrictiveness, and …

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Aerobic Capacity Is Related To Repeated Sprint Ability With Sprint Distances Less Than 40 Meters., Gabriel J. Sanders, Zachary Turner, Brian Boos, Corey Peacock, Willard Peveler, Alar Lipping Mar 2017

Aerobic Capacity Is Related To Repeated Sprint Ability With Sprint Distances Less Than 40 Meters., Gabriel J. Sanders, Zachary Turner, Brian Boos, Corey Peacock, Willard Peveler, Alar Lipping

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 197-204, 2017 Research is inconclusive regarding the association between aerobic fitness (objectively measured VO2max) and repeated sprint performance when the sprints are less than 40 meters. Soccer athletes must be able to repeat sprints without significant decreases in speed and strength and conditioning coaches need to better understand if aerobic fitness is related to repeated sprint ability (RSA). Twenty (10 male, 10 female) Division I soccer athletes first completed a graded maximal treadmill test to measure VO2max. Then on a separate day, athletes completed the RSA test. The RSA test …

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An Acute Bout Of A Controlled Breathing Frequency Lowers Sympathetic Neural Outflow But Not Blood Pressure In Healthy Normotensive Subjects, Shannon Mcclain, Alexa Brooks, Sara Jarvis Mar 2017

An Acute Bout Of A Controlled Breathing Frequency Lowers Sympathetic Neural Outflow But Not Blood Pressure In Healthy Normotensive Subjects, Shannon Mcclain, Alexa Brooks, Sara Jarvis

International Journal of Exercise Science

International Journal of Exercise Science 10(2): 188-196, 2017 Controlled or paced breathing is often used as a stress reduction technique but the impact on blood pressure (BP) and sympathetic outflow have not been consistently reported. The purpose of this study was to determine whether a controlled breathing (12 breaths/min, CB) rate would be similar to an individual’s spontaneous breathing (SB) rate. Secondly, would a CB rate of 12 breaths/min alter heart rate (HR), BP, and indices of muscle sympathetic nerve activity (MSNA). Twenty-one subjects (10 women, 11 men) performed two trials: SB, where the subject chose a comfortable breathing rate; …

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