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Full-Text Articles in Medical Education
Influence Of Scanning Plane And Echo Intensity Correction On Relationships Between Muscle Size And Fitness, Caleb C. Voskuil, Monique D. Dudar, G. Kate Webb, Yan Zhang, Joshua C. Carr
Influence Of Scanning Plane And Echo Intensity Correction On Relationships Between Muscle Size And Fitness, Caleb C. Voskuil, Monique D. Dudar, G. Kate Webb, Yan Zhang, Joshua C. Carr
International Journal of Exercise Science: Conference Proceedings
B-mode ultrasonography is an accessible and reliable tool to measure muscle size and echogenicity. Measures of muscle thickness (MT), muscle cross-sectional area (mCSA), and echo intensity (EI) are commonly acquired in the sagittal or transverse planes, and with the extended field of view technique. However, whether these outcomes show unique relationships with muscle fitness across the scanning planes is unknown. PURPOSE: To identify the relationships between measurements of skeletal muscle size and echo intensity with muscle strength and local muscle endurance in a habitually resistance-trained population. METHODS: Twenty resistance-trained participants (Females: n = 10; Males: n = 10) …
Differences In Simple And Complex Reaction Time Test Score Amont College Rodeo Athletes, Meghan Younger, Andrew A. Wolfe, Micheal Luera, Kayleigh Abbott, Gillian Braden, Jessie Ramirez
Differences In Simple And Complex Reaction Time Test Score Amont College Rodeo Athletes, Meghan Younger, Andrew A. Wolfe, Micheal Luera, Kayleigh Abbott, Gillian Braden, Jessie Ramirez
International Journal of Exercise Science: Conference Proceedings
Various sports rely heavily on reaction time (RT) to produce high levels of performance, and as expected, difference in RT are present within and between sporting activities. The sport of rodeo is a high velocity/intensity sport that require athletes to reaction quickly to the movement(s) of uncooperative livestock. However, no previous studies have investigated the RT profile of rodeo athletes and the differences in RT between rodeo events. PURPOSE: The purpose of this investigation was to establish simply and complex RT norms for rodeo athletes and secondly, identify RT difference between rodeo events. METHODS: College rodeo athletes (n = 39) …
Establishing A Predictive Equation For Anaerobic Capacity Utilizing The 300-Yard Shuttle Field Test, Emma Thornton, Andrew A. Wolfe, Ruth Caddell, Cheyenne Lavender, Gillian Braden, Jackson Maynard, Chad Agor, Summer Reflogal
Establishing A Predictive Equation For Anaerobic Capacity Utilizing The 300-Yard Shuttle Field Test, Emma Thornton, Andrew A. Wolfe, Ruth Caddell, Cheyenne Lavender, Gillian Braden, Jackson Maynard, Chad Agor, Summer Reflogal
International Journal of Exercise Science: Conference Proceedings
Anaerobic capacity can be tested through the Running-based Anaerobic Sprint Test (RAST), Wingate test (gold standard), and the 300-yard shuttle. While each testing is recognized as a valid method of assessing anaerobic capacity, previous investigations found no significant correlation between Wingate test and time to completion of 300-yard shuttle test. The insignificant relationship found between the 300-yard shuttle times and the Wingate outputs insinuate a need for further research investigating the correlations between these two anaerobic tests. PURPOSE: The aim of this study was to determine the influence of 300-yard shuttle measures on anaerobic capacity obtained via the Wingate …
Fatigue Inducing Resistance Training Produces Differences In Perceived Recovery Status And Session Rate Of Perceived Exertion Responses, Ruth Caddell, Andy Wolfe
Fatigue Inducing Resistance Training Produces Differences In Perceived Recovery Status And Session Rate Of Perceived Exertion Responses, Ruth Caddell, Andy Wolfe
International Journal of Exercise Science: Conference Proceedings
Psychophysiological tools have gained substantial traction as methods of assessing fatigue during exercise. Borg’s rate of perceived exertion (RPE) measures exertion levels of various modes of exercise, including resistance training. The perceived recovery status (PRS) scale is recognized as an effective tool when assessing recovery following fatiguing bouts of exercise. Previous PRS and RPE sprint training research, recognized PRS decline with concurrent sRPE increases. However, the relationship between PRS and sRPE during resistance training is unknown. PURPOSE: The aim of this study is to explore the relationship between PRS and sRPE within resistance training. METHODS: Fourteen resistance trained males (n …
Bone Mineral Density And Body Composition Of Division Iii Ncaa Athletes At Southwestern University, Grey D. Wagner, Cole G. Peck
Bone Mineral Density And Body Composition Of Division Iii Ncaa Athletes At Southwestern University, Grey D. Wagner, Cole G. Peck
International Journal of Exercise Science: Conference Proceedings
PURPOSE: To examine the variation of bone mineral density and body composition between athletes of different sports at Southwestern University. METHODS: One hundred and three Division III NCAA athletes at Southwestern University came to the kinesiology lab in a single session to complete a full body DEXA scan using a GE Lunar Prodigy Dexa Bone Densitometer. The athletes’ bone mineral density, body composition data and health history questionnaire were collected. RESULTS: There was a significant difference of t-scores among the men’s sports means (F(6,41) = 5.599, p < 0.001). There was a significant difference of t-scores among the women’s sports means (F(6, 34) = 2.879, p = 0.022). There was no significant difference of % body fat among the men’s sports means (F(6,42) = 1.787, p = 0.125). There was no significant difference of % body fat among the women’s sports means (F(6,35) = 1.301, p = 0.283). CONCLUSION: This study found a significant difference of T-scores between sports but not …
Physical Activity Influence On Adults With Intellectual And Developmental Disabilities, Shannon M. Dyke, Katelyn E. Whitehead, Vanessa Mikan Phd
Physical Activity Influence On Adults With Intellectual And Developmental Disabilities, Shannon M. Dyke, Katelyn E. Whitehead, Vanessa Mikan Phd
International Journal of Exercise Science: Conference Proceedings
Less than a one-third of adults with Intellectual and Developmental Disabilities (IDD) are meeting national physical activity guidelines (WHO, 2020). Adults with IDD are at risk for developing chronic health related diseases, such as cardiovascular disease, type-2 diabetes, and hypertension earlier in adulthood and typically progress faster than adults without IDD. Physical activity combats these chronic diseases and needs to be introduced to this population in an accessible way. PURPOSE: To determine the influence of physical activity training sessions on balance, flexibility, range of motion, cardiorespiratory fitness, muscular endurance, muscular strength and self-efficacy in a group of individuals with IDD. …
Correlation Between Grip Strength At Various Arm Orientations And Hitting Performance Metrics Of Division I Collegiate Baseball Players, Jackson C. Maynard, Andrew A. Wolfe, Zane Badmaev, Chad Agor, Micheal Luera, Cheyenne Lavender
Correlation Between Grip Strength At Various Arm Orientations And Hitting Performance Metrics Of Division I Collegiate Baseball Players, Jackson C. Maynard, Andrew A. Wolfe, Zane Badmaev, Chad Agor, Micheal Luera, Cheyenne Lavender
International Journal of Exercise Science: Conference Proceedings
Dominate and non-dominate grip strength (GS) significantly correlated with bat speed (BS) in the sport of baseball. Various arm orientations occur throughout the swing; moreover, additional metrics beyond BS are indicative of baseball hitting performance. The correlation between various GS and hitting outcomes have not been empirically examined. PURPOSE: The aim of the current investigation was to examine the relationship of GS at various arm angles to various hitting performance metrics. METHODS: Division I collegiate baseball players (n = 17; height: 180.92 ± 5.61 cm; weight: 82.1 ± 11.12 kg) performed dominate and non-dominate maximal GS at five …
Grip Strength Symmetries In Division I College Baseball Pitchers And Hitters, Chad Agor, Andy Wolfe, Zane Badmaev, Cheyenne Lavender, Jackson Maynard, Michael Luera
Grip Strength Symmetries In Division I College Baseball Pitchers And Hitters, Chad Agor, Andy Wolfe, Zane Badmaev, Cheyenne Lavender, Jackson Maynard, Michael Luera
International Journal of Exercise Science: Conference Proceedings
Integrating strength and conditioning coaches and programs for baseball athletes has yielded positive performance outcomes for both hitting and throwing. Among a variety of baseball-specific testing batter, grip strength has shown to significantly correlate with increased swing and throwing velocity. However, no investigations have examined grip strength asymmetries for hitters and pitchers. PURPOSE: The purpose of this study was to examine differences between right and left arm grip strength of baseball pitchers and hitters. METHODS: Division I collegiate baseball players (n = 45, height. (183.52 ± 11.77 cm) weight. (85.96 ± 17.73 kg.) performed dominate and non-dominate maximal grip strength …
Electrical Stimulation While Resistance Training Leads To Greater Gains In Muscle Mass And Strength, Gabriel Narvaez, Jehu Apaflo, Amy Wagler, Sudip Bajpeyi
Electrical Stimulation While Resistance Training Leads To Greater Gains In Muscle Mass And Strength, Gabriel Narvaez, Jehu Apaflo, Amy Wagler, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Resistance training (RT) has long been shown to increase muscle strength and muscle mass and is widely recommended for people of all ages and ability levels. Neuromuscular electrical stimulation (NMES) is an involuntary mode of inducing muscle contractions that has been used to prevent muscle immobility, weakness, strength loss, and muscle loss in rehabilitative settings. However, the additive effects of NMES and RT are not well established. PURPOSE:. To determine if superimposing neuromuscular electrical stimulation during a resistance training intervention elicits greater gains in muscle strength and/or muscle mass than resistance training being performed alone. METHODS: An electronic …
Age-Related Differences In Handgrip Strength Characteristics And Vertical Jump Performance, Kayla P. Sisneros, Pratibha S. Maurya, Evan Johnson, Ty B. Palmer
Age-Related Differences In Handgrip Strength Characteristics And Vertical Jump Performance, Kayla P. Sisneros, Pratibha S. Maurya, Evan Johnson, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Handgrip strength characteristics, such as peak force and rate of force development (RFD), have been shown to be significantly associated with the performance capacities of the lower-body musculature. Declines in lower-body performance are commonly reported as a consequence of aging. However, few studies have investigated the influence of age on handgrip peak force and RFD. PURPOSE: The purpose of this study was to examine age-related differences in handgrip peak force and RFD between young and older women and the relationships of these characteristics with lower-body performance during a vertical jump (VJ) test. METHODS: Twenty young (age = 21 ± 3 …
Handgrip Peak Force And Rate Of Force Development Measurements: Are They Reliable And Do They Correlate With Vertical Jump Power?, Pratibha S. Maurya, Kayla P. Sisneros, Evan Johnson, Ty B. Palmer
Handgrip Peak Force And Rate Of Force Development Measurements: Are They Reliable And Do They Correlate With Vertical Jump Power?, Pratibha S. Maurya, Kayla P. Sisneros, Evan Johnson, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Handgrip peak force and rate of force development (RFD) measurements have been shown to be effective parameters at characterizing the strength capacities of numerous muscle groups, including those of the lower extremities. However, the reliability of these measurements and their relationship with vertical jump (VJ) peak power remains uncertain. PURPOSE: The purpose of this study was to examine the reliability of handgrip peak force and RFD measurements. A secondary aim was to determine if these measurements are correlated with the peak power produced during a VJ test. METHODS: Twenty young, healthy women (age = 21 ± 3 years) …
Determining Validity And Reliability Of Caloric Expenditure Recorded By Wearable Technology While Walking And Running, Bianca C. Weyers, Dustin W. Davis, Nicole R. Vargas, Jorge Perdomo Rodriguez, Elias M. Malek, Katherine V. Carlos, Bryson Carrier, James W. Navalta
Determining Validity And Reliability Of Caloric Expenditure Recorded By Wearable Technology While Walking And Running, Bianca C. Weyers, Dustin W. Davis, Nicole R. Vargas, Jorge Perdomo Rodriguez, Elias M. Malek, Katherine V. Carlos, Bryson Carrier, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
With growing interest in tracking exercise progress, wearable technology is increasingly popular. While heart rate and step count are typically accurate for consumer-available devices, research from our laboratory indicates that caloric expenditure is not. PURPOSE: The current investigation aimed to evaluate the validity and reliability of caloric expenditure in multiple wearable devices during a self-paced walk and run. METHODS: Ten participants were tested (5F, 5M, age = 26.9± 9.43 years, body mass = 72.64± 7.73 kg, height = 168.66± 9.37 cm). Participants were asked to wear 5 devices: 2 Garmin Instinct watches (one on each wrist), 2 Polar Vantage M2 …
The Role Of Body Fat Percentage And Vo2max In Predicting Arterial Stiffness In Female College Students, Sara Thomasson, Grant Calhoun, Natalie Pham, Kennedy Kerbs, Sofia Harman, Payton Price, Annika Grams, Ruth Larson, Isaiah Mews, Zachary Zeigler, Anthony Acevedo
The Role Of Body Fat Percentage And Vo2max In Predicting Arterial Stiffness In Female College Students, Sara Thomasson, Grant Calhoun, Natalie Pham, Kennedy Kerbs, Sofia Harman, Payton Price, Annika Grams, Ruth Larson, Isaiah Mews, Zachary Zeigler, Anthony Acevedo
International Journal of Exercise Science: Conference Proceedings
Within the college population, high blood pressure (BP), as well as obesity and sedentary lifestyles, are seen. Bodyfat influences these outcomes. Much of the literature ignores the possible effects that fitness may have on these outcomes, specifically in females. Purpose: The intent of this study was to determine if VOMAX can predict arterial stiffness after adjusting for body fat% in college females. Methods: Healthy young females were recruited from Grand Canyon University. Subjects came to the lab for a single visit for the following assessments: height, weight, waist circumference, hip circumference, aortic BP, augmentation pressure (AP), augmentation index adjusted …
Different Resistance Training Protocols During The Crunch Exercise Affect Muscle Thickness, Echo-Intensity, Load Lifted, And Perception Of Effort In Recreationally-Trained Participants., Keanna J. Sullivan, Paulo H. Marchetti
Different Resistance Training Protocols During The Crunch Exercise Affect Muscle Thickness, Echo-Intensity, Load Lifted, And Perception Of Effort In Recreationally-Trained Participants., Keanna J. Sullivan, Paulo H. Marchetti
International Journal of Exercise Science: Conference Proceedings
The correct choice of the acute variables is another important component of a resistance training (RT) session. The combination of intensity and volume is fundamental to determine the dose-response in a RT session and can induce specific metabolic and mechanical stress in the muscle. PURPOSE: The primary purpose of this study was to evaluate acute dose-response of different volume x intensity RT protocols with equated total volume (40 repetitions) during the crunch exercise on muscle thickness, echo-intensity, load lifted, and rating of perceived exertion in recreationally-trained participants. METHODS: Fifteen resistance-trained participants (23±3years, 76.4±6.5kg, 173.3±6.5cm) performed the abdominal crunch exercise …
Effect Of Device Warm-Up Time On Load-Voltage Relationship In S-Type Load Cells, Jherrica Phillips, Marcus Pulido-Ojeda, Mikaela Kirkpatrick, Ashley Landa, Eric Martin, George Beckham, Steven Kim
Effect Of Device Warm-Up Time On Load-Voltage Relationship In S-Type Load Cells, Jherrica Phillips, Marcus Pulido-Ojeda, Mikaela Kirkpatrick, Ashley Landa, Eric Martin, George Beckham, Steven Kim
International Journal of Exercise Science: Conference Proceedings
Warm up time may have an effect on voltage readings taken from s-type load cells, making prior load- voltage calibration equations inaccurate. PURPOSE: To evaluate the effect of warm up time on load- voltage relationship in s-type load cells. METHODS: Dead weight calibrations were performed on two load cells using 200kg after 15 minutes, 1 hour, and 2 hours of warm up time. A linear model was created to estimate the influence of warm up time on the load-voltage relationship (i.e. voltage = β0 + β1•load + β2•power.source(plug) + β3•time + β4•load • time.) RESULTS: Time did not affect voltage …
Body Mass Index Superior To Body Adiposity Index In Predicting Adiposity In Male Collegiate Athletes, Isaiah Mews, Payton Price, Ruthie Larson, Sofia Harman, Annika Grams, Anthony Acevedo, Zachary Ziegler
Body Mass Index Superior To Body Adiposity Index In Predicting Adiposity In Male Collegiate Athletes, Isaiah Mews, Payton Price, Ruthie Larson, Sofia Harman, Annika Grams, Anthony Acevedo, Zachary Ziegler
International Journal of Exercise Science: Conference Proceedings
BMI is moderately correlated with %Fat and has been suggested to be inadequate at predicting overfat status in male collegiate athletes.The Body Adiposity Index (BAI) is an alternative anthropometric measurement suggested to be superior to BMI at predicting adiposity but has not been well assessed within different collegiate sports. PURPOSE: The purpose of this study was to determine if BAI is superior to BMI in predicting %Fat in male collegiate athletes. METHODS: Collegiate male rugby and baseball players were invited into the laboratory for measurements of height, weight, and %Fat via BOD POD. BAI was calculated as Hip …
Measured Thoracic Gas Volume Versus Two Predictions, Jacob Mcbride, Dale R. Wagner, Steven Spencer, Bradley Penrose, Brooklyn Murri, Edward M. Heath
Measured Thoracic Gas Volume Versus Two Predictions, Jacob Mcbride, Dale R. Wagner, Steven Spencer, Bradley Penrose, Brooklyn Murri, Edward M. Heath
International Journal of Exercise Science: Conference Proceedings
Body composition, or one’s fat mass relative to total mass, is important to a person’s health and physical performance. One method to measure body composition is the Bod Pod air displacement plethysmograph. To determine body volume from the Bod Pod, thoracic gas volume (TGV), or the volume of air in the lungs during a normal breath, must be measured or predicted. PURPOSE: The intent of this study was to compare measured TGV to two predictions: one from the Bod Pod (TGVBP) that makes assumptions about functional residual capacity and tidal volume, and one from a recent publication …
Effect Of Primary Power Source On The Load Voltage Relationship In Load Cells From An Instrumented Scrum Machine, Mikaela N. Kirkpatrick, Ashley Landa, Jherrica Phillips, Marcus Pulido-Ojeda, Eric Martin, George Beckham, Steven B. Kim
Effect Of Primary Power Source On The Load Voltage Relationship In Load Cells From An Instrumented Scrum Machine, Mikaela N. Kirkpatrick, Ashley Landa, Jherrica Phillips, Marcus Pulido-Ojeda, Eric Martin, George Beckham, Steven B. Kim
International Journal of Exercise Science: Conference Proceedings
To measure force generated by rugby union players during the scrum, we instrumented a scrum machine using S-type load cells for voltage force data collection. Data collection may take place in a variety of settings with varying access to primary power. The voltage outputs from electronic equipment may change when using battery versus AC power. Purpose: To compare the load-voltage relationship in S-type load cells between wall outlet AC power and a lithium ion battery pack and inverter. Methods: Dead weight calibrations of two load cells under two power supply conditions were performed up to 200kg. Voltage data was obtained …
How Does Body Composition Predict The Performance Of Rotc Cadets On The Acft, Annika C. Grams, Ruth Larson, Payton Price, Sofia Harman, Sara Thomasson, Kaitlyn Wabakken, Katelynn Brock, Zachary Zeigler, Anthony Acevedo
How Does Body Composition Predict The Performance Of Rotc Cadets On The Acft, Annika C. Grams, Ruth Larson, Payton Price, Sofia Harman, Sara Thomasson, Kaitlyn Wabakken, Katelynn Brock, Zachary Zeigler, Anthony Acevedo
International Journal of Exercise Science: Conference Proceedings
The Army Combat Fitness Test (ACFT) is a newly developed test assessing U.S. Army soldiers' combat readiness. Body composition characteristics vary between soldiers and could affect performance outcomes. The purpose of this cross-sectional study is to determine whether fat-mass and fat-free-mass can predict performance outcomes of the ACFT in ROTC cadets. Methods: ROTC cadets (31 males, 21 females; aged 20.5 ± 2.2 years) completed the 6-event ACFT (3-repetition maximum trap-bar deadlift [MDL], standing power toss [SPT], hand-release pushups [HRPU], sprint-drag-carry shuttle run [SDC], plank [PLK], and 2-mile run [2MR]). The cadets were invited into the laboratory for measurements of anthropometrics …
Performance Gap Between Men And Women In Ironman Triathlons, Sara D. Glaser, Caio V. Sousa Dr.
Performance Gap Between Men And Women In Ironman Triathlons, Sara D. Glaser, Caio V. Sousa Dr.
International Journal of Exercise Science: Conference Proceedings
PURPOSE: The increased participation and performance improvement of women in Ironman triathlons (IM) have been showing that the performance gap with men is shorter than ever. Thus, this study aimed to explore this performance gap by discipline (swimming, cycling, and running) and age-groups. METHODS: Publicly available data from all IM events from 2002 to 2022 were used for this analysis. Each performance variable (swimming, cycling, running, and overall) were included as dependent variables in general linear model with gender and category (elite, age-groups) as independent factors. The effect size (Cohen’s d and delta percentage) was calculated for every “male vs. …
The Prevalence Of Physical Inactivity And Low Back Pain In Sedentary Office Employees: A Survey Analysis, Alyse C. Freeman, Joshua A. Cotter, Evan E. Schick, Kurt A. Escobar
The Prevalence Of Physical Inactivity And Low Back Pain In Sedentary Office Employees: A Survey Analysis, Alyse C. Freeman, Joshua A. Cotter, Evan E. Schick, Kurt A. Escobar
International Journal of Exercise Science: Conference Proceedings
Low back pain (LBP) is an increasingly common chronic condition and self-perceived disability that full-time sedentary employees are at risk of being exposed to. Sedentary employees are paid workers who fulfill all or most of their occupational duties seated. Currently, there is very little research available that discusses how physical inactivity affects LBP in sedentary office employees. PURPOSE: The purpose of this study is to: (1) determine the prevalence of LBP pain among sedentary office employees, (2) identify the number of sedentary employees who meet the current physical activity guidelines outlined by the American College of Sports Medicine (ACSM) …
The Relationship Between Grit And Physical Activity In Primigravida And Multigravida Pregnant Women, Lynne Bankhead, Marcus M. Lawrence
The Relationship Between Grit And Physical Activity In Primigravida And Multigravida Pregnant Women, Lynne Bankhead, Marcus M. Lawrence
International Journal of Exercise Science: Conference Proceedings
Physical activity (PA) levels decline when women become pregnant; this may differ by gravidity (number of pregnancies). Grit is a construct consisting of two facets including perseverance of effort (perseverance) and consistency of interest (consistency), and it may be predictive of PA volume and/or intensity in individuals. PURPOSE: To determine the relationship between grit and PA levels of various activity types in pregnant women, including assessing primigravida and multigravida women. METHODS: Pregnant women (n=126; 27.6 years old; 17.7 weeks gestation) in Utah, USA were assessed for grit (overall score and the consistency and perseverance facets) with the Short …
The Validity And Reliability Of The Garmin Instinct In Measuring Heart Rate, Energy Expenditure, And Steps During Skipping, Nicole Vargas, Bryson Carrier, Dustin W. Davis, Jorge Perdomo Rodriguez, Elias M. Malek, Bianca Weyers, Katherine Carlos, James W. Navalta
The Validity And Reliability Of The Garmin Instinct In Measuring Heart Rate, Energy Expenditure, And Steps During Skipping, Nicole Vargas, Bryson Carrier, Dustin W. Davis, Jorge Perdomo Rodriguez, Elias M. Malek, Bianca Weyers, Katherine Carlos, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
As the use of wearable technology to monitor physical activity increases, assessment of the validity and reliability of these devices are needed. A popular device brand is Garmin. Although not a common physical activity, skipping can be included in dynamic warm-ups. PURPOSE: Therefore, the purpose of this study was to determine the validity and reliability of the Garmin Instinct in measuring caloric energy expenditure (EE), average heart rate (HR), and steps while skipping. METHODS: Ten participants (5 female, age: 27±9 years) skipped at a self-selected pace for five minutes. During that time, HR, EE, and steps were measured …
Predicting Maximal Oxygen Uptake Using The 3-Minute All-Out Test In High-Intensity Functional Training Athletes, Holli Rosas, Joshua Dexheimer, Shane J. Brinson, Robert W. Pettitt, Todd Schroeder, Brandon J. Sawyer, Edward Jo
Predicting Maximal Oxygen Uptake Using The 3-Minute All-Out Test In High-Intensity Functional Training Athletes, Holli Rosas, Joshua Dexheimer, Shane J. Brinson, Robert W. Pettitt, Todd Schroeder, Brandon J. Sawyer, Edward Jo
International Journal of Exercise Science: Conference Proceedings
Maximal oxygen uptake (VO2max) and critical speed (CS) are key fatigue-related measurements that demonstrate a relationship to one another and are indicative of athletic endurance performance. This is especially true for those that participate in competitive fitness events. However, the accessibility to a metabolic analyzer to accurately measure VO2max is expensive and time intensive, whereas CS may be measured in the field using a 3 minute all-out test (3MT). PURPOSE: Therefore, the purpose of this study was to examine the relationship between VO2max and CS in high-intensity functional training (HIFT) athletes. METHODS: Twenty-five male and …
Sled Pull Training Protocol Does Not Improve Peak Force And Increases Asymmetry In Collegiate Soccer Players, Kyra K. Parske, John A. Brasher, Robert V. Musci, Jenevieve L. Roper
Sled Pull Training Protocol Does Not Improve Peak Force And Increases Asymmetry In Collegiate Soccer Players, Kyra K. Parske, John A. Brasher, Robert V. Musci, Jenevieve L. Roper
International Journal of Exercise Science: Conference Proceedings
Speed and acceleration are trainable components that are critical determinants of success in team sports, particularly soccer. Lower extremity strength is one of many factors that determine the maximal force output and velocity of individuals, which is critical to success in sport. PURPOSE: To determine the effects of a 12-week sled pull training intervention on isometric leg strength and asymmetry. METHODS: Participants from Division 1 collegiate men (20 ± 1.5yrs, 168.28 ± 51.17cm, 73.44 ± 23.46kg) and women’s soccer (19.58 ± 1.02yrs, 167.07 ± 3.81cm, 62.46 ± 8.41kg) team performed pre-training isometric thigh pulls on force plates measuring peak force …
Sled-Pull Training Improves Maximal Horizontal Velocity In Collegiate Male And Female Soccer Players, Atithi K. Multani, John A. Brasher, Robert J. Rovetti, Junyuan Lin, Robert V. Musci, Jenevieve L. Roper
Sled-Pull Training Improves Maximal Horizontal Velocity In Collegiate Male And Female Soccer Players, Atithi K. Multani, John A. Brasher, Robert J. Rovetti, Junyuan Lin, Robert V. Musci, Jenevieve L. Roper
International Journal of Exercise Science: Conference Proceedings
The force velocity profile (FvP), which details the capacity to sprint and accelerate, is a determinant of success in soccer. To date, no data exist that details the FvP of male and female collegiate Division I soccer players. Further, there is limited insight on how training interventions may modify the FvP of either males or females. PURPOSE: The aim of this investigation was to compare FvP between collegiate male and female athletes and assess the efficacy of a 12-week sled pull training intervention. METHODS: 17 male (20.17 ± 1.38 yrs) and 12 female (19.75 ± 1.05 yrs) soccer …
The Performance Profile Of A Division I Football Team, Seth B. Long, Tyler Shumate, Dierdra K. Bycura, Scott N. Drum
The Performance Profile Of A Division I Football Team, Seth B. Long, Tyler Shumate, Dierdra K. Bycura, Scott N. Drum
International Journal of Exercise Science: Conference Proceedings
Reporting athletic performance characteristics of a Division I collegiate football team may serve to inform coaching personnel and sports performance staff about the most versatile players to utilize for various competitions. Performance data may also help guide developing athletes about benchmarks to achieve for optimal competitiveness. PURPOSE: Our aim was to observe athletic performance characteristics of and differences between designated starters (ST) vs non-starters (NST). METHODS: 44 athletes – ST (n=22) vs NST (n=22) – were selected using a convenience sample and equally distributed between offense and defense positions. Preseason performance data were analyzed related to select power, including …
Firefighter Trainee Fitness, Reasons For Academy Release, And Predictive Capabilities Of Fitness Tests, Robert G. Lockie, Fernando Montes, Robin (Rob) Marc Orr, J. Jay Dawes
Firefighter Trainee Fitness, Reasons For Academy Release, And Predictive Capabilities Of Fitness Tests, Robert G. Lockie, Fernando Montes, Robin (Rob) Marc Orr, J. Jay Dawes
International Journal of Exercise Science: Conference Proceedings
Firefighter trainees need a level of fitness to be admitted to and complete a training academy. Fitness could indicate a trainee’s likelihood of graduation. PURPOSE: Determine fitness differences between trainees who graduated (GRAD) or were released due to a) injury (RELI), b) skills test performance failures (RELP), or c) resignation (RELR); and whether fitness predicted graduation or academy release. METHODS: Data from an occupational physical ability test (OPAT) for 686 trainees were analyzed, including: Illinois agility test; push-ups; pull-ups; leg tucks; estimated maximal aerobic capacity (V̇O2max) from the multistage fitness test; backwards overhead 4.54-kg medicine ball …
The Physiological Profile Of A Blind Female Solo Ultra-Endurance Cyclist – A Novel Case Study, Jordyn M. Keddy, Scott N. Drum
The Physiological Profile Of A Blind Female Solo Ultra-Endurance Cyclist – A Novel Case Study, Jordyn M. Keddy, Scott N. Drum
International Journal of Exercise Science: Conference Proceedings
Ultra-endurance mountain biking (MTB) greater than 2,450 miles in 51 days with over 150,000 feet of elevation gain is a significant physiological and fear-inducing journey for anyone. This case study showcases the psychophysiology of a blind solo (i.e., single bike) rider (BSR) with history of traumatic brain injury (TBI) who achieved an unparalleled ride of the Tour Divide MTB route with 2 male guides (MG). PURPOSE: The primary purpose of this project was to observe the interplay between fatigue (acute training load, ATL), fitness (chronic training load, CTL), and form (training stress balance, TSB) as part of a performance management …
Sled-Pull Training Protocol Increases Critical Speed In Female Collegiate Soccer Players, Andrew J. Hartz, John A. Brasher, Jenevieve L. Roper, Robert V. Musci
Sled-Pull Training Protocol Increases Critical Speed In Female Collegiate Soccer Players, Andrew J. Hartz, John A. Brasher, Jenevieve L. Roper, Robert V. Musci
International Journal of Exercise Science: Conference Proceedings
Critical speed (CS) is the speed one can sustain while maintaining blood lactate, phosphocreatine, and oxygen uptake levels. “Distance capacity beyond CS” (D’) is the reserve an athlete can draw from to run faster than their CS. By increasing CS and D’, athletes can sustain a faster threshold pace (CS) and have a greater sprint capacity (D’). Unlike distance traveled and speed, which do not reflect the metabolic strain of an exercise, CS and D’ assess the relative intensity of an activity to provide individualized inter- and intra-competition insight. PURPOSE: This investigation evaluated CS and D’ among men and women …