Open Access. Powered by Scholars. Published by Universities.®
- Discipline
-
- Kinesiology (2260)
- Medicine and Health Sciences (7)
- Exercise Science (5)
- Medical Specialties (2)
- Sports Sciences (2)
-
- Analytical, Diagnostic and Therapeutic Techniques and Equipment (1)
- Applied Mechanics (1)
- Bioethics and Medical Ethics (1)
- Curriculum and Instruction (1)
- Education (1)
- Engineering (1)
- Engineering Science and Materials (1)
- Laboratory and Basic Science Research (1)
- Mechanical Engineering (1)
- Obstetrics and Gynecology (1)
- Other Engineering Science and Materials (1)
- Physical Therapy (1)
- Public Health (1)
- Rehabilitation and Therapy (1)
- Science and Mathematics Education (1)
- Sports Medicine (1)
- Women's Health (1)
- Keyword
-
- Other (492)
- Fitness Assessment (351)
- Biomechanics and Neural Control (259)
- Psychology and Behavior (187)
- Metabolism and Nutrition (174)
-
- Clinical Exercise Physiology (159)
- Cardiovascular Physiology (119)
- Exercise (119)
- Physical activity (94)
- Exercise Immunology (53)
- Obesity (52)
- Performance (49)
- Body composition (44)
- Environmental Physiology (43)
- Resistance training (43)
- Running (32)
- Physical Activity (30)
- Strength (30)
- Power (29)
- Fitness (28)
- Heart rate (28)
- Electromyography (23)
- Tactical (22)
- Fatigue (21)
- Police (21)
- Training (21)
- Children (20)
- Nutrition (20)
- Recovery (20)
- Biomechanics (19)
- Publication Year
- Publication
- Publication Type
Articles 1021 - 1050 of 2262
Full-Text Articles in Exercise Physiology
The Effects Of Work-To-Rest Ratios On Torque, Electromyographic, And Mechanomyographic Responses To Fatiguing Workbouts, Ethan C. Hill, Terry J. Housh, Cory M. Smith, Kristen C. Cochrane, Nathaniel D.M. Jenkins, Richard J. Schmidt, Glen O. Johnson
The Effects Of Work-To-Rest Ratios On Torque, Electromyographic, And Mechanomyographic Responses To Fatiguing Workbouts, Ethan C. Hill, Terry J. Housh, Cory M. Smith, Kristen C. Cochrane, Nathaniel D.M. Jenkins, Richard J. Schmidt, Glen O. Johnson
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 580-591, 2017. The purpose of the present study was to examine the effects of 2 different work-to-rest ratios, but the same mean load, cycle time, and total duration of the exercise bout, on maximal voluntary isometric contraction torque and neuromuscular responses to fatiguing, intermittent, submaximal, isometric, forearm flexion muscle actions. Ten men performed 2 fatiguing protocols with different work-to-rest ratios (4 s contraction, 4 s rest vs. 4 s contraction, alternating 6 and 2 s rest) that consisted of 50 intermittent, submaximal (65% of maximal voluntary isometric contraction), isometric, forearm flexion muscle actions. Electromyographic …
Physiological Characteristics Of Projected Starters And Non-Starters In The Field Positions From A Division I Women’S Soccer Team, Fabrice G. Risso, Farzad Jalilvand, Ashley J. Orjalo, Matthew R. Moreno, Deshaun L. Davis, Samantha A. Birmingham-Babauta, John J. Stokes, Alyssa A. Stage, Tricia M. Liu, Dominic V. Giuliano, Adrina Lazar, Robert G. Lockie
Physiological Characteristics Of Projected Starters And Non-Starters In The Field Positions From A Division I Women’S Soccer Team, Fabrice G. Risso, Farzad Jalilvand, Ashley J. Orjalo, Matthew R. Moreno, Deshaun L. Davis, Samantha A. Birmingham-Babauta, John J. Stokes, Alyssa A. Stage, Tricia M. Liu, Dominic V. Giuliano, Adrina Lazar, Robert G. Lockie
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 568-579, 2017. NCAA soccer features different substitution rules compared to FIFA-sanctioned matches, with a greater availability of players who can enter the game. This could influence the physiological characteristics of the field position starters (ST) and non-starters (NST) within a collegiate women’s team, which has not been previously analyzed. Thus, 22 field players from the same Division I women’s soccer squad completed: vertical and standing broad jumps; 30-meter (m) sprint (0-5, 0-10, 0-30 m intervals); pro-agility and 60-yard shuttle; and the Yo-Yo Intermittent Recovery Test Level 1. Players were defined into ST (n=10) and …
Effects Of 12 Weeks Of Physical Training On Body Composition And Physical Fitness In Military Recruits, Leandra C B Campos, Fabio A D Campos, Thiago A R Bezerra, Idico L. Pellegrinotti
Effects Of 12 Weeks Of Physical Training On Body Composition And Physical Fitness In Military Recruits, Leandra C B Campos, Fabio A D Campos, Thiago A R Bezerra, Idico L. Pellegrinotti
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 560-567, 2017. The aim of this study was to analyze the morphological and functional changes in military recruits after twelve weeks of physical training. The sample consisted of 130 volunteer recruits aged 18-19 years. Anthropometric variables were assessed (body weight, height, body mass index, arm, waist, and hip circumference, waist/hip ratio, skinfold thickness of the triceps, suprailiac, and abdomen, and body fat percentage) and the sit-up test (1 minute), push-up test, and 12-minute running test. The physical training protocol involved running workouts, strength, agility, and flexibility. Descriptive statistical procedures were performed with mean, standard …
The Effect Of Betaine On Nitrate And Cardiovascular Response To Exercise, J. Luke Pryor, Stephen A. Wolf, Gary Sforzo, Tom Swensen
The Effect Of Betaine On Nitrate And Cardiovascular Response To Exercise, J. Luke Pryor, Stephen A. Wolf, Gary Sforzo, Tom Swensen
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 550-559, 2017. Betaine (BT) supplementation improves selected markers of physical performance, however, the mechanism(s) by which this change occurs remains largely unknown. Some speculate that BT may increase circulating nitrate concentrations, improving physical performance by augmentation of endothelial nitric oxide production. The purpose of this study was to investigate the effects of acute BT supplementation and exercise on plasma nitrate levels and related cardiovascular response (CVR). Placebo and BT trials were administered in a cross-over, randomized, double-blind, and counterbalanced fashion. Ten healthy college-aged volunteers consumed either a 250 ml placebo (carbohydrate-electrolyte beverage, CHO) or …
Correlation Between The Functional Movement Screen And Hip Mobility In Ncaa Division Ii Athletes, Matt T. Jenkins, Robert Gustitus, Mike Iosia, Taz Kicklighter, Yuichi Sasaki
Correlation Between The Functional Movement Screen And Hip Mobility In Ncaa Division Ii Athletes, Matt T. Jenkins, Robert Gustitus, Mike Iosia, Taz Kicklighter, Yuichi Sasaki
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 541-549, 2017. The Functional Movement Screen (FMS) is a series of seven exercises designed to assess athletes prior to competitive training to determine dysfunctional movement patterns. The exercises include the deep squat (DS), hurdle step (HS), inline lunge (IL), shoulder mobility (SM), active straight leg raise (ASL), pushup (PU), and rotary stability (RS), all of which comprise the composite score (FMS CS). The purpose of this study was to determine correlations between the FMS screens and hip mobility. The specific hip range-of-motion exercises used were bilateral internal/external rotation (IRR, IRL ERL, ERR), and flexion/extension …
Cortisol And Alpha-Amylase Changes During An Ultra-Running Event, Whitney P. Deneen, Alexis Jones
Cortisol And Alpha-Amylase Changes During An Ultra-Running Event, Whitney P. Deneen, Alexis Jones
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 531-540, 2017. Elevated stress hormone concentrations can positively affect an athlete’s overall performance during a competition, and in many cases, are necessary to be able to perform exercise. During extreme exercise, the body’s ability to utilize energy efficiently can affect an athlete’s performance. Elevated hormonal concentrations can have many benefits in regards to an athlete’s overall performance during a competition. The purpose of this study was to examine the effects of long distance running, such as seen during an ultra-running event (distances beyond 26.2 miles), on the activity of the hypothalamic-pituitary-adrenocortical (HPA) axis production …
Sleep-Hygiene Education Improves Sleep Indices In Elite Female Athletes, Shannon O'Donnell, Matthew W. Driller
Sleep-Hygiene Education Improves Sleep Indices In Elite Female Athletes, Shannon O'Donnell, Matthew W. Driller
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 522-530, 2017. The importance of sleep in providing psychophysiological recovery in elite athletes is often overlooked. In other populations (eg shift workers and adolescent students), sleep hygiene education may serve to acutely improve sleep indices. However, this is yet to be examined in an elite athlete setting. Therefore, the aim of the current study was to evaluate the effect of a sleep hygiene education session on sleep indices in elite athletes. The study involved 26 elite female netball athletes performing one week of baseline sleep monitoring (PRE), followed by a sleep hygiene education …
Differences Between The Grab Start And Track Start In Collegiate Swimmers, Alexander S. Dassoff, Naomi R. Forward, Charlie P. Katica
Differences Between The Grab Start And Track Start In Collegiate Swimmers, Alexander S. Dassoff, Naomi R. Forward, Charlie P. Katica
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 515-521, 2017. The purpose of this investigation was to determine which foot stance, the track start (TS) or the grab start (GS), is most beneficial for competitive swimmers. Seven male and eight female collegiate swimmers participated in this study. The average participant age was 20.1 ± 1.13 years while the average years of competitive swimming experience was 10.8 ± 3.36 years. Participants performed three TS and three GS stances consecutively. Distance markers were placed on the side of the pool to determine where each swimmer entered the water. Video analysis was used to determine …
Effects Of Nasal Or Oral Breathing On Anaerobic Power Output And Metabolic Responses, Christine Recinto, Theodore Efthemeou, P. Tony Boffelli, James W. Navalta
Effects Of Nasal Or Oral Breathing On Anaerobic Power Output And Metabolic Responses, Christine Recinto, Theodore Efthemeou, P. Tony Boffelli, James W. Navalta
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 506-514, 2017. Nasal and oral exclusive breathing modes have benefits and drawbacks during submaximal exercise. It is unknown whether these responses would extend to anaerobic work performed at high intensity. Nine individuals (males N = 7, females N = 2) performed a standard Wingate Anaerobic cycle test on a cycle ergometer under nose (N) and mouth (M) only respiratory conditions, performed in a counterbalanced order. A 2 (condition: nose, mouth) x 6 (time: 0-5 sec, 5-10 sec, 10-15 sec, 15-20 sec, 20-25 sec, 25-30 sec) repeated measures ANOVA was used to analyze the data …
Rollers Versus Trainers: 10-Km Time Trial, Wayland Tseh, Tate Devlin, Taylor Milleson, T V. Barreira
Rollers Versus Trainers: 10-Km Time Trial, Wayland Tseh, Tate Devlin, Taylor Milleson, T V. Barreira
International Journal of Exercise Science
International Journal of Exercise Science 10(1): 497-505, 2017. The primary aim of this investigation was to determine which cycling training device, Rollers or Trainers, was most effective in improving 10-km time trial. Eight male and 6 female volunteers (N = 14; age = 23.6 ± 4.6 yrs; height = 172.7 ± 9.9 cm; body mass = 68.4 ± 10.4 kg; % body fat = 16.9 ± 7.7; VO2max = 61.0 ± 9.4 ml∙kg-1∙min-1) provided informed consent prior to participation. Participants performed a10-km time trial at baseline and were then randomly assigned into one of three …
Physical Activity And Physical Fitness In Pediatric Obesity: What Are The First Steps For Clinicians? Expert Conclusion From The 2016 Ecog Workshop, Grace O´Malley, Susanne Ring-Dimitriou, Paulina Nowicka, Andrea Vania, Marie-Laure Frelut, Nathalie Farpour-Lambert, Daniel Weghuber, David Thivel
Physical Activity And Physical Fitness In Pediatric Obesity: What Are The First Steps For Clinicians? Expert Conclusion From The 2016 Ecog Workshop, Grace O´Malley, Susanne Ring-Dimitriou, Paulina Nowicka, Andrea Vania, Marie-Laure Frelut, Nathalie Farpour-Lambert, Daniel Weghuber, David Thivel
International Journal of Exercise Science
International Journal of Exercise Science 10(4): 487-496, 2017. One of the main European Childhood Obesity Group mission is to assist healthcare workers in delivering evidence-based assessment and treatment of childhood obesity. Every year the ECOG annual work shop includes working groups whose objective is to highlight the major concerns faced by clinicians and practitioners who work in the field of pediatric obesity. This year, a working group was devoted to the assessment of physical activity and physical fitness in this population. The present commentary attempts to summarize the main themes identified by practitioners during these workshops in order to provide …
Casein Protein Supplementation In Trained Men And Women: Morning Versus Evening, Jose Antonio
Casein Protein Supplementation In Trained Men And Women: Morning Versus Evening, Jose Antonio
International Journal of Exercise Science
International Journal of Exercise Science 10(3): 479-486, 2017. The purpose of this investigation was to determine the effects of casein supplementation (54 grams) in the morning (Casein-MOR) or evening (Casein-EVE) (90 minutes or less prior to sleep) on measures of body composition and exercise performance in trained men and women. Twenty-six healthy men and women who had been training regularly for greater than 12 months completed this 8-week study (mean±SD; Casein-MOR group [n=14, seven male, seven female]: 30.0±8.2 yr; 170.7±9.5 cm; 70.9±13.9 kg. Casein-EVE group [n=12, nine male, three female]: 28.9±9.5 yr; 172.9±7.3 cm; 72.6±10.9 kg). Subjects in each group …
Assessment Of Differences In The Anthropometric, Physiological And Training Characteristics Of Finishers And Non-Finishers In A Tropical 161-Km Ultra-Marathon, Philip Ls Tan, Frankie Hy Tan, Andrew N. Bosch
Assessment Of Differences In The Anthropometric, Physiological And Training Characteristics Of Finishers And Non-Finishers In A Tropical 161-Km Ultra-Marathon, Philip Ls Tan, Frankie Hy Tan, Andrew N. Bosch
International Journal of Exercise Science
International Journal of Exercise Science 10(3): 465-478, 2017. This study aimed to compare and determine the differences in the physiological, anthropometric and training characteristics of the finishers (FIN) and non-finishers (N-FIN) in a 161-km race. Two groups of runners (FIN; N=12 and N-FIN; N=14) completed a series of anthropometric and physiological measurements over two separate sessions at least three weeks prior to the race. Training sessions starting from six weeks prior to the race were recorded. Sum of 7 skinfolds, arm and calf girths, VO2max and peak treadmill speed (PTS) were taken during session 1 while the lactate threshold (LT) …
Demands Of Simulated Commuting Using An Electrically Assisted Bicycle, D. Taylor La Salle, Robert Shute, Matthew Heesch, Dustin Slivka
Demands Of Simulated Commuting Using An Electrically Assisted Bicycle, D. Taylor La Salle, Robert Shute, Matthew Heesch, Dustin Slivka
International Journal of Exercise Science
International Journal of Exercise Science 10(3): 454-464, 2017. The American College of Sports Medicine (ACSM) recommends adults participate in weekly aerobic activity for a minimum of 30 minutes moderate intensity exercise 5 days per week or 20 minutes of vigorous activity 3 days per week. The electrically assisted bicycle may help individuals achieve the ACSM’s aerobic recommendations and introduce inactive individuals to physical activity. To compare the physiological requirements of riding a bicycle with electric pedal assist versus non-assist among healthy active young adults. 6 males and 6 females completed two randomized cycling trials using electric pedal assist (PAB) and …
Self-Optimization Of Stride Length Among Experienced And Inexperienced Runners, Iain Hunter, James B. Tracy, Jared Ward
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 …
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
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 …
Passion For Academics And Problematic Health Behaviors, Alex T. Bureau, Selen Razon Ph.D, Umit Tokac, Bryan K. Saville, Lawrence W. Judge
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 = …
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
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 …
College Students’ Knowledge Of Recovery Beverage Serving Sizes, Stephanie Lewis, Victoria Baxter, Kim Spaccarotella, Walter Andzel
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 …
The Effect Of Acute Hyperglycemia On Muscular Strength, Power And Endurance, Franklin Lime-Ma, Joshua A. Cotter, Evan E. Schick
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 …
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
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 …
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
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. …
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
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 …
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
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 …
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
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 …
How Different Respiratory Rate Patterns Affect Cardiorespiratory Variables And Performance, Harutiun Minas Nalbandian, Zsolt Radak, Jun Taniguchi, Masaki Takeda
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), …
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
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 …
Psychophysiological Tracking Of A Female Physique Competitor Through Competition Preparation, Brandon Jay Rohrig, Robert W. Pettitt, Cherie Pettitt, Todd Kanzenbach
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, …
Comparison Of Whole-Body Cooling Techniques For Athletes And Military Personnel, Emma A. Nye, Lindsey E. Eberman, Kenneth E. Games, Colin Carriker
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 …
Orchard Sports Injury Classification System 10.1 Plus: An End-User Study, Ashley K. Crossway, Kenneth E. Games, Lindsey E. Eberman, Neil Fleming
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 …