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Articles 1831 - 1860 of 3176

Full-Text Articles in Exercise Physiology

Tactical Athletes: An Integrated Approach To Understanding And Enhancing The Health And Performance Of Firefighters-In-Training, Stacy L. Gnacinski, Barbara B. Meyer, David J. Cornell, Jason Mims, Kathryn R. Zalewski, Kyle T. Ebersole Oct 2015

Tactical Athletes: An Integrated Approach To Understanding And Enhancing The Health And Performance Of Firefighters-In-Training, Stacy L. Gnacinski, Barbara B. Meyer, David J. Cornell, Jason Mims, Kathryn R. Zalewski, Kyle T. Ebersole

International Journal of Exercise Science

International Journal of Exercise Science 8(4): 341-357, 2015. In an effort to reduce the rates of firefighter fatality, injury, and workplace stress, there has been a call for research to advance knowledge of firefighting performance and injury prevention. Physical and psychological variables important to firefighter health and performance have been identified, yet the interrelated nature of these variables has been overlooked. Given the overlap between the physical and psychological demands of firefighting and sport, and given that an integrated framework has been used in the sport domain to guide athlete health and performance research and practice, firefighter organizations could benefit …

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Performance And Perceptual Responses Of Collegiate Female Soccer Players To A Practical External And Internal Cooling Protocol, Rachel L. Holm, Veronika Pribyslavska, Samantha L. Johnson, Jordan B. Lowe, Mary C. Stevenson-Wilcoxson, Eric M. Scudamore, James M. Green, Charlie P. Katica, Eric K. O'Neal Oct 2015

Performance And Perceptual Responses Of Collegiate Female Soccer Players To A Practical External And Internal Cooling Protocol, Rachel L. Holm, Veronika Pribyslavska, Samantha L. Johnson, Jordan B. Lowe, Mary C. Stevenson-Wilcoxson, Eric M. Scudamore, James M. Green, Charlie P. Katica, Eric K. O'Neal

International Journal of Exercise Science

International Journal of Exercise Science 8(4): 331-340, 2015. This study examined practical pre- and mid practice cooling interventions on running performance, perceived exertion (RPE), and thermal sensation (TS) during soccer. During two formal pre-season practices female, NCAA Division II soccer players participated in three, 15 min scrimmage bouts followed by a 4th 10 min bout. Following the 1st, 2nd, and 3rd bouts, 8 field position players completed competitive sets of two, 30 yard sprints against other team members with time recorded between 5 and 30 yards. After the 4th bout, players completed an …

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Validation Of Maximal Heart Rate Prediction Equations Based On Sex And Physical Activity Status, Stephen J. Roy, J.L. Mccrory Oct 2015

Validation Of Maximal Heart Rate Prediction Equations Based On Sex And Physical Activity Status, Stephen J. Roy, J.L. Mccrory

International Journal of Exercise Science

International Journal of Exercise Science 8(4): 318-330, 2015. The purpose of the study was to determine if measured maximal heart rate (HRmax) was affected by sex or aerobic training status, and to determine the accuracy of three common clinical age-prediction maximal heart rate regression equations used to predict HRmax: HRmax = 220 – age, HRmax = 226 – age, and HRmax = 208 – (0.7 ∙ age). Fifty-two participants in total, 30 of which were in the active group (15 M, 15 F) and 22 subjects in the sedentary group (9 M, …

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Preferences Toward Gender Of Coach And Perceptions Of Roles Of Basketball Coaches, Jacqui L. Kalin, Jennifer J. Waldron Oct 2015

Preferences Toward Gender Of Coach And Perceptions Of Roles Of Basketball Coaches, Jacqui L. Kalin, Jennifer J. Waldron

International Journal of Exercise Science

International Journal of Exercise Science 8(4): 303-317. Framed within role congruity theory this study examined (a) if female collegiate basketball players have a preference toward male or female head basketball coaches, (b) if the gender and enjoyment level of past head coaches influence preferences toward a male or female head coach and/or influence the perceived roles of women’s basketball head coaches, and (c) if there is a relationship between the perceived roles of women’s basketball head coaches and female collegiate basketball players’ preferences toward male or female head coaches. Fifty-nine women’s basketball players from 10 Division I universities completed a …

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Workforce Fitness: Description, Contextual Issues, And Implications For Public Health, Nicolaas P. Pronk Sep 2015

Workforce Fitness: Description, Contextual Issues, And Implications For Public Health, Nicolaas P. Pronk

Frontiers in Public Health Services and Systems Research

Workforce fitness matters for the prevention of premature death, chronic diseases, productivity loss, excess medical care costs, loss of income or family earnings, and other social and economic concerns. Yet fitness levels appear to be relatively low and declining. Over the past half century obesity has doubled, physical activity levels are below par, and cardiorespiratory fitness often does not meet minimally acceptable job standards. During this time, daily occupational energy expenditure has decreased by more than 100 calories. It is recommended for employers to consider best practices and design workplace wellness programs accordingly. Regulations that protect and promote worker health, …

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The Effect Of Yoga On Growth Hormone Secretion In Young Men And Women, Aaron Eastham Aug 2015

The Effect Of Yoga On Growth Hormone Secretion In Young Men And Women, Aaron Eastham

All NMU Master's Theses

PURPOSE The purpose of this study was to examine the effects of an acute bout of yoga exercise on the secretion of growth hormone (GH) in healthy, young males and females. METHODS Seventeen participants (mean age 23.9 ± 3.9) were volunteered and completed the university IRB approved study. Participants completed a 60-min, certified instructor led yoga session. Blood (5ml) was collected at rest, 10-min prior (PRE), at the 35-min point during (MID), and immediately post (POST) the yoga session. Serum GH was measured using immunochemiluminometric assay. Resting GH levels were statistically compared to mid- and post-yoga GH levels using a …

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Use And Misuse Of The Likert Item Responses And Other Ordinal Measures, Phillip A. Bishop, Robert L. Herron Jul 2015

Use And Misuse Of The Likert Item Responses And Other Ordinal Measures, Phillip A. Bishop, Robert L. Herron

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 297-302, 2015. Likert, Likert-type, and ordinal-scale responses are very popular psychometric item scoring schemes for attempting to quantify people’s opinions, interests, or perceived efficacy of an intervention and are used extensively in Physical Education and Exercise Science research. However, these numbered measures are generally considered ordinal and violate some statistical assumptions needed to evaluate them as normally distributed, parametric data. This is an issue because parametric statistics are generally perceived as being more statistically powerful than non-parametric statistics. To avoid possible misinterpretation, care must be taken in analyzing these types of data. The use …

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Evaluation Of A New Automated Pulmonary Gas Analysis System, Tove Hallenstål, Ida Sundqvist, Michael Svensson, Ji-Guo Yu Dr. Jul 2015

Evaluation Of A New Automated Pulmonary Gas Analysis System, Tove Hallenstål, Ida Sundqvist, Michael Svensson, Ji-Guo Yu Dr.

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 287-296, 2015. The study aimed to evaluate the validity and reliability of a new automated pulmonary gas analysis system - Exercise Physiology System (EPS). The Oxycon Pro, a well-established automated pulmonary gas analysis system was used as a reference system. Six well-trained cyclists were recruited and performed two identical submaximal exercises on a cycle ergometer over one week interval. During the exercises, pulmonary gas exchange: ventilation (VE), oxygen consumption (VO2), elimination of carbon dioxide (VCO2), and ratio between carbon dioxide and oxygen (RER) was measured using both systems in randomized …

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Effect Of Beetroot Juice On Self-Regulated, Moderate-Intensity Exercise, Jordyn N. Rienks, Andrea A. Vanderwoude, Elizabeth Maas, Zachary M. Blea, Andrew W. Subudhi Jul 2015

Effect Of Beetroot Juice On Self-Regulated, Moderate-Intensity Exercise, Jordyn N. Rienks, Andrea A. Vanderwoude, Elizabeth Maas, Zachary M. Blea, Andrew W. Subudhi

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 277-286, 2015. Dietary nitrate supplementation has been shown to reduce oxygen consumption at a fixed work rate. We questioned whether a similar effect would be observed during variable work rate exercise at a specific rating of perceived exertion (RPE), as is commonly prescribed for aerobic training sessions. Using a double-blind, placebo controlled, crossover design, ten females (25 ± 3 years; VO2peak 37.1 ± 5.3 ml/kg/min) performed two 20-min cycle ergometer trials at a constant RPE of 13 (somewhat hard) 2.5 hours following ingestion of 140 ml of concentrated beetroot juice (12.9 mmol …

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Relation Of Income And Education Level With Cardiorespiratory Fitness, Erik A. Willis, Dave White, Alex Shafer, Kristofer Wisniewski, Fredric L. Goss, Laurel B. Chiapetta, Vincent C. Arena, Robert J. Robertson, Elizabeth F. Nagle Jul 2015

Relation Of Income And Education Level With Cardiorespiratory Fitness, Erik A. Willis, Dave White, Alex Shafer, Kristofer Wisniewski, Fredric L. Goss, Laurel B. Chiapetta, Vincent C. Arena, Robert J. Robertson, Elizabeth F. Nagle

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 265-276, 2015. While there is strong evidence measuring the association between leisure time physical activity (LTPA) and socioeconomic status (SES) there are limited data on the relationship between cardiorespiratory fitness (CRF) and SES. The purpose of this cross-sectional study was to examine differences in CRF and LTPA between household income and individual education in young adults. A sample of 171 (males n=98, female n=73) young adults participated in the University of Pittsburgh-Physical Activity Study. Participants completed CRF testing. Demographic characteristics were assessed via interviewer administered standardized survey and LTPA was assessed using the interviewer …

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Risk Of Disordered Eating Among Division I Female College Athletes, Elizabeth Wells, Alexandra Chin, Jennifer Tacke, Jennifer Bunn Jul 2015

Risk Of Disordered Eating Among Division I Female College Athletes, Elizabeth Wells, Alexandra Chin, Jennifer Tacke, Jennifer Bunn

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 256-264, 2015. The purpose of this study was to assess the risk of disordered eating (DE) among female athletes in lean and non-lean sports using the ATHLETE survey. The ATHLETE survey is divided into six different constructs, and a high score indicates a high risk for DE. Eighty-three varsity female athletes from eight Campbell University sports teams completed the survey and a medical history form anonymously. The sports were divided into sports that traditionally have a high risk for DE (lean sports) and those with a low risk (non-lean sports). The lean sports included: …

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Effects Of Caffeine On Repeated Upper/Lower Body Wingates And Handgrip Performance, Thomas Andre, Matt Green, Joshua Gann, Eric O'Neal, Tom Coates Jul 2015

Effects Of Caffeine On Repeated Upper/Lower Body Wingates And Handgrip Performance, Thomas Andre, Matt Green, Joshua Gann, Eric O'Neal, Tom Coates

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 243-255, 2015. Caffeine enhances aerobic performance, but research is equivocal regarding anaerobic performance. This study examined effects of caffeine (7 mg/kg) on anaerobic performance in anaerobically active males (n = 10). Participants completed counterbalanced, double blind caffeine (Caf) and placebo (Pl) trials including a) 6 x 15 s upper body Wingates (UWant), b) 6 x 15 s lower body Wingates (LWant) and c) 6 x15 s maximal effort static hand grip test (HG) with 3 min recovery between bouts, 30 min between exercises. Peak power (Ppeak), mean power …

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The Relationship Of Gender And Self-Efficacy On Social Physique Anxiety Among College Students, Sara M. Rothberger, Brandonn Harris, Daniel Czech, Bridget F. Melton Jul 2015

The Relationship Of Gender And Self-Efficacy On Social Physique Anxiety Among College Students, Sara M. Rothberger, Brandonn Harris, Daniel Czech, Bridget F. Melton

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 234-242, 2015. The anxiety or fear associated with physique evaluation is defined as Social Physique Anxiety (SPA). Numerous studies have examined this construct, yet a gap exists exploring this phenomenon among current college students with SPA, self-efficacy, and gender concurrently. Therefore, the purposes of this study included quantitatively analyzing the association between SPA, gender, and self-efficacy. Participants included 237 students at a Southeastern university participating in jogging, body conditioning, or weight training courses. Analysis of Variance yielded a significant main effect for self-efficacy as well, as those with lower self-efficacy displayed higher levels of …

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Trx Suspension Training: A New Functional Training Approach For Older Adults - Development, Training Control And Feasibility, Angus Gaedtke, Tobias Morat Jul 2015

Trx Suspension Training: A New Functional Training Approach For Older Adults - Development, Training Control And Feasibility, Angus Gaedtke, Tobias Morat

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 224-233, 2015. Because of its proximity to daily activities functional training becomes more important for older adults. Sling training, a form of functional training, was primarily developed for therapy and rehabilitation. Due to its effects (core muscle activation, strength and balance improvements), sling training may be relevant for older adults. However, to our knowledge no recent sling training program for healthy older adults included a detailed training control which is indeed an essential component in designing and implementing this type of training to reach positive effects. The purpose of this study was to develop …

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The Acute Effects Of Whole-Body Corrective Exercise On Postural Alignment, Nicole Rencher, James D. George, Pat R. Vehrs, Sarah E, Ridge, Gilbert W. Fellingham Jul 2015

The Acute Effects Of Whole-Body Corrective Exercise On Postural Alignment, Nicole Rencher, James D. George, Pat R. Vehrs, Sarah E, Ridge, Gilbert W. Fellingham

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 213-223, 2015. This study examined the acute effects of whole-body corrective exercise on postural alignment in a sample of 50 male participants (18-30 y) displaying asymmetrical postural deviations. All participants were randomly assigned to either a nonexercise control (n = 25) or corrective exercise treatment (n = 25) group. A three-dimensional motion analysis Vicon system was employed to quantify standing postural alignment at the beginning and end of a 6 d study. Postural misalignments were determined in degrees of symmetry (tilt) and rotation using horizontal and vertical virtual plumb lines for the following locations: …

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Sensitivity Of Prescribing High-Intensity, Interval Training Using The Critical Power Concept, Robert W. Pettitt, Ashley M. Placek, Ida E. Clark, Nicholas A. Jamnick, Steven R. Murray Jul 2015

Sensitivity Of Prescribing High-Intensity, Interval Training Using The Critical Power Concept, Robert W. Pettitt, Ashley M. Placek, Ida E. Clark, Nicholas A. Jamnick, Steven R. Murray

International Journal of Exercise Science

International Journal of Exercise Science 8(3): 202-212, 2015. The critical power (CP) concept enables the calculation of time to exhaustion (tLIM) for a given power output above CP using the equation of tLIM = W’/(power – CP), where W’ is the curvature constant, and CP is the asymptote for the power-tLIM relationship. The CP concept offers great promise for prescribing high-intensity interval training (HIIT); however, knowledge on the concept’s sensitivity is lacking (i.e., how much of a difference in W’ expenditure is needed to evoke different metabolic responses). We tested if two …

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The Caffeine Dose Response In Habitual Consumers Performing A Maximal Anaerobic Test, N T. Smith, K J. Ogden, A B. Mininger, J L. Haak, H S. Kieffer Facsm May 2015

The Caffeine Dose Response In Habitual Consumers Performing A Maximal Anaerobic Test, N T. Smith, K J. Ogden, A B. Mininger, J L. Haak, H S. Kieffer Facsm

International Journal of Exercise Science: Conference Proceedings

Please view abstract in the attached PDF file

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Β-Alanine Supplementation Has No Effect On Rowing Performance In College Age Athletes, B J. Chrisfield, T D. Stutzman, Z Schutte, I Starr, A B. Porto, H S. Kieffer Facsm May 2015

Β-Alanine Supplementation Has No Effect On Rowing Performance In College Age Athletes, B J. Chrisfield, T D. Stutzman, Z Schutte, I Starr, A B. Porto, H S. Kieffer Facsm

International Journal of Exercise Science: Conference Proceedings

Please view abstract in the attached PDF file.

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Physical Activity Participation For College Students With Learning Disabilities And Adhd, J L. Valis, M Gonzalez May 2015

Physical Activity Participation For College Students With Learning Disabilities And Adhd, J L. Valis, M Gonzalez

International Journal of Exercise Science: Conference Proceedings

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Mechanical Efficiency Of Repeated Jump Squats With Reduced Eccentric Load, M Tholis, G Moir, C Witmer, M Miltenberger, S Davis Facsm May 2015

Mechanical Efficiency Of Repeated Jump Squats With Reduced Eccentric Load, M Tholis, G Moir, C Witmer, M Miltenberger, S Davis Facsm

International Journal of Exercise Science: Conference Proceedings

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Quantifying Emergency Department Visits From Sport With A Focus On The Lower Extremity And Knee, M S. Tenan, J C. Ives May 2015

Quantifying Emergency Department Visits From Sport With A Focus On The Lower Extremity And Knee, M S. Tenan, J C. Ives

International Journal of Exercise Science: Conference Proceedings

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Sustained Acoustic Medicine For Improved Recovery From Tendinitis, R M. Taggart, S E. Henderson, G K. Lewis Jr. May 2015

Sustained Acoustic Medicine For Improved Recovery From Tendinitis, R M. Taggart, S E. Henderson, G K. Lewis Jr.

International Journal of Exercise Science: Conference Proceedings

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The Effect Of Training Status On Glycemic Control In A Collegiate Population, A Stouffer, T Ezolt, E Stein, K Wallace, J Sanders, W Braun Facsm May 2015

The Effect Of Training Status On Glycemic Control In A Collegiate Population, A Stouffer, T Ezolt, E Stein, K Wallace, J Sanders, W Braun Facsm

International Journal of Exercise Science: Conference Proceedings

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Effects Of Age And Sex On Muscle Function During Isovelocity Contractions., C N. Steele, A J. Fradkin Facsm, J L. Andreacci Facsm, A C. Veneziaz, E S. Rawson Facsm May 2015

Effects Of Age And Sex On Muscle Function During Isovelocity Contractions., C N. Steele, A J. Fradkin Facsm, J L. Andreacci Facsm, A C. Veneziaz, E S. Rawson Facsm

International Journal of Exercise Science: Conference Proceedings

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Implications Of An Ultra-Endurance Swim On Heart Rate And Blood Lactate Response, K A. Stauffer, S E. Kitts May 2015

Implications Of An Ultra-Endurance Swim On Heart Rate And Blood Lactate Response, K A. Stauffer, S E. Kitts

International Journal of Exercise Science: Conference Proceedings

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The Effect Of Functional Resistance Training On The Resting Metabolic Rate Of Apparently Healthy Adult Women, J R. Smith, M P. Bayles Facsm, M Sloniger, R E. Alman Ii May 2015

The Effect Of Functional Resistance Training On The Resting Metabolic Rate Of Apparently Healthy Adult Women, J R. Smith, M P. Bayles Facsm, M Sloniger, R E. Alman Ii

International Journal of Exercise Science: Conference Proceedings

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Exercise Intensity Has No Effect On The Magnitude Of Training-Induced Increases In Maximal Oxygen Uptake, T D. Scribbans, S P. Vecsey, P B. Hankinson, W S. Foster, B J. Gurd May 2015

Exercise Intensity Has No Effect On The Magnitude Of Training-Induced Increases In Maximal Oxygen Uptake, T D. Scribbans, S P. Vecsey, P B. Hankinson, W S. Foster, B J. Gurd

International Journal of Exercise Science: Conference Proceedings

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A Systematic Review Of Physical Activity, Task Performance, And Injury Risk Considerations For Treadmill Workstations, A Schuh, E O. Dada, A A. Patel, B H. Jones Facsm May 2015

A Systematic Review Of Physical Activity, Task Performance, And Injury Risk Considerations For Treadmill Workstations, A Schuh, E O. Dada, A A. Patel, B H. Jones Facsm

International Journal of Exercise Science: Conference Proceedings

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Association Of Muscular Power And Selected Gait Parameters In Community-Dwelling Older Adults, H Schmuck, M Butler, J Desire, R Shaw, S Paulson, J Sanders May 2015

Association Of Muscular Power And Selected Gait Parameters In Community-Dwelling Older Adults, H Schmuck, M Butler, J Desire, R Shaw, S Paulson, J Sanders

International Journal of Exercise Science: Conference Proceedings

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The Effects Of A Polymorphism In The Cyp1a2 Gene On Serum Caffeine Concentrations During Exercise, E J. Ryan, H A. Algrain, R M. Thomas, A E. Carrillo, E J. Ryan May 2015

The Effects Of A Polymorphism In The Cyp1a2 Gene On Serum Caffeine Concentrations During Exercise, E J. Ryan, H A. Algrain, R M. Thomas, A E. Carrillo, E J. Ryan

International Journal of Exercise Science: Conference Proceedings

Please view abstract in the attached PDF file

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