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2020

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Articles 331 - 360 of 471

Full-Text Articles in Health and Physical Education

A Comparison Of High-Intensity Interval Running And Tabata On Post-Exercise Metabolism, Lauren E. Pate Feb 2020

A Comparison Of High-Intensity Interval Running And Tabata On Post-Exercise Metabolism, Lauren E. Pate

International Journal of Exercise Science: Conference Proceedings

It is unclear how post-exercise metabolism would compare following the completion of 2 different modes of high-intensity exercise. PURPOSE: Compare the effects of high-intensity interval running (HIIR) and Tabata when performed at a similar duration and intensity. METHODS: Recreationally active individuals (n = 7; 6F, 1M; age = 22.2 ± 2.1 yrs; body mass = 64.2 ± 12.0 kg; body fat% = 26.2±3.1) completed 1) a rest bout, 2) a Tabata bout using only body callisthenic exercises, and 3) a bout of high-intensity interval running (HIIR) on a motorized treadmill. Participants performed each of the 3 bouts on separate …

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Exploring The Role Of Bmp7 Gene Expression In An In Vitro Model Of Aging Human Skeletal Muscle., Dreanna M. Mcadams, Emily L. Zumbro, Chase M. White, Ryan A. Gordon, Anthony A. Duplanty Feb 2020

Exploring The Role Of Bmp7 Gene Expression In An In Vitro Model Of Aging Human Skeletal Muscle., Dreanna M. Mcadams, Emily L. Zumbro, Chase M. White, Ryan A. Gordon, Anthony A. Duplanty

International Journal of Exercise Science: Conference Proceedings

Sarcopenia is an age-related condition associated with rapid loss of skeletal muscle (SKM) tissue that affects mobility and quality of life of geriatric individuals. Mechanistic Target of Rapamycin (mTOR) and Protein Kinase B (AKT) have significant roles in SKM hypertrophy with responses to DNA damage and repair within SKM. However, mTOR and AKT expression is significantly decreased with age. Upstream of AKT, Bone Morphogenetic Protein (BMP7) is a member of the TGF-β signaling family that has been reported as a positive regulator of muscle hypertrophy through the Bmp–Smad1/5/8 signaling axis. PURPOSE: To use an in vitro model of aging …

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Comparison Of Portable Metabolic Devices During Walking, Jogging, And Running, Alex Toulouse, Patrick Davis, Gary Oden, Dustin P. Joubert Feb 2020

Comparison Of Portable Metabolic Devices During Walking, Jogging, And Running, Alex Toulouse, Patrick Davis, Gary Oden, Dustin P. Joubert

International Journal of Exercise Science: Conference Proceedings

Oxygen uptake measurements enable performance professionals, clinicians, and scientists to quantify energy expenditure and aerobic work capacity for various purposes. Devices that accurately detect the composition of expired gases and changes in oxygen uptake, open new possibilities in research methodology and accessibility. PURPOSE: The purpose of this study was to compare the O2 uptake measurements of the VO2 Master Pro (VM) to the Cosmed K5 (K5) during walking, jogging, and running in field and lab conditions. METHODS: Twelve proficient runners, with a current 10k pace < 5:19 min/km, performed 3 matched intervals at 3 different speeds (4.82, 8.05, 11.27 kph) on a treadmill and on an outdoor track while expired gasses were measured. Each interval was 10 minutes and data from minutes 6-9 were averaged for comparisons. An airflow test was performed on both devices by forcing air through the devices using a 3 L syringe timed to a metronome at 15, 25, and 35 strokes/min. RESULTS: During walking intervals, the VM did not report data for the majority …

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Plantar Fasciitis, Yeremyah Y. Phillips, Chuck Ruot, Lindsay Edwards Feb 2020

Plantar Fasciitis, Yeremyah Y. Phillips, Chuck Ruot, Lindsay Edwards

International Journal of Exercise Science: Conference Proceedings

CLINICAL PRESENTATION & EXAM: A patient with plantar fasciitis will often present symptoms of pain isolated to the media tubercle of the calcaneus, or a burning sensation over the inner foot arch. The symptoms usually start as a dull intermittent pain but tend to progress to sharp and more persistent pains. Patients will typically experience pain within the first steps of the morning, after a prolonged resting period, or after continual stress to the plantar fascia. Plantar fasciitis is a degenerative syndrome of the plantar fascia as a result of repetitive trauma on the calcaneus. The plantar fascia stabilizes …

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Femoral Neck Stress Fracture, Kayla Gable, Lindsay Edwards, Chuck Ruot Feb 2020

Femoral Neck Stress Fracture, Kayla Gable, Lindsay Edwards, Chuck Ruot

International Journal of Exercise Science: Conference Proceedings

CLINICAL PRESENTATION & EXAM: A patient with a femoral neck stress fracture will complain of persistent deep groin pain, orientated anteriorly. The patient will note pain as a new sensation in that area of the body that increases during activity. A patient with a femoral neck stress fracture will have tenderness to palpation. Pain from femoral neck stress fractures occur with repeated vigorous training, such as running, rather than trauma. During a physical examination by a medical professional, a patient suffering from a femoral neck stress fracture will have a gait that favors one leg, the fractured leg will …

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Performance Differences In High Intensity Training Participants, William T. Mchenry, Robyn H. Whitehead, Brody W. Sizemore, Victor K. Mortezazadeh, Malcolm T. Whitehead Feb 2020

Performance Differences In High Intensity Training Participants, William T. Mchenry, Robyn H. Whitehead, Brody W. Sizemore, Victor K. Mortezazadeh, Malcolm T. Whitehead

International Journal of Exercise Science: Conference Proceedings

High intensity training has become increasingly popular over the last 20 years with the advent of well-known training regimens such as P90X, CrossFit, Beachbody, PiYo, and Camp Gladiator. As such, it is important to understand the differences among individuals who participate in high intensity training. PURPOSE: The purpose of this research was to examine differences in Functional Movement Screen (FMS) scores, strength, power, and dynamic exercise in a cohort of male and female high intensity trained athletes (HIT). METHODS: A total of thirty participants (males, n=15; and females, n=15) (mean ± SD; age = 30.7 ± 9.9 years) with minimum …

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A Wearable Sensor To Mitigate Shoulder Injury In Astronauts, Madeline Boutwell, Mikaela Rood, Anthony Campos, Jose Canelo, Alexandra Chapman, Viridiana Silva, Sterling Walker, Sheri Dragoo, Nicholas Levine, Brandon Rigby Feb 2020

A Wearable Sensor To Mitigate Shoulder Injury In Astronauts, Madeline Boutwell, Mikaela Rood, Anthony Campos, Jose Canelo, Alexandra Chapman, Viridiana Silva, Sterling Walker, Sheri Dragoo, Nicholas Levine, Brandon Rigby

International Journal of Exercise Science: Conference Proceedings

The prevalence of shoulder pain has been documented to be as high as 56% among astronauts who perform extravehicular activities (EVA) while training. The prevalence of shoulder injuries in astronauts required NASA to assemble a research team, called the Shoulder Tiger Team, nearly 20 years ago. In 2003, this team concluded that the majority of the shoulder injuries occur while the astronaut is wearing the hard upper torso unit (HUT) of their space suit during EVA training missions in the neutral buoyancy lab (NBL). These injuries typically carry-over to the actual mission, and required EVAs, which can negatively affect job …

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Meditation Education For Cardiac Rehabilitation Patients, Kendall Barton, Vanessa Mikan Phd Feb 2020

Meditation Education For Cardiac Rehabilitation Patients, Kendall Barton, Vanessa Mikan Phd

International Journal of Exercise Science: Conference Proceedings

Cardiovascular disease has become the leading public health concern facing our nation. The American Heart Association estimates someone dies every 38 seconds from heart disease. Individuals who experience a severe cardiac incident are often required to undergo rehabilitation as part of their treatment program to improve overall cardiac function. Cardiac rehabilitation provides patients with guided, prescribed exercise programs that encourage the development of healthful behaviors to improve quality of life. Stress has been highly implicated as a contributing factor of cardiovascular disease. Chronic stress causes cardiovascular reactivity, elevations in stress-related hormones and depressed immune function increasing risk of additional cardiac …

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Southwestern University Student Athlete Wellbeing Survey - Pilot Study, Nadia Netek, Vanessa Mikan Phd, Edward Merritt Feb 2020

Southwestern University Student Athlete Wellbeing Survey - Pilot Study, Nadia Netek, Vanessa Mikan Phd, Edward Merritt

International Journal of Exercise Science: Conference Proceedings

1 in 5 Americans live with a mental health condition. Student athletes' mental health is imperative for their performance and overall health. The pressures and challenges student athletes face can contribute towards a poor mental state. The National Collegiate Athletic Association (NCAA) is encouraging athletics departments to create a culture of mental wellness. PURPOSE: To assess the wellbeing (state of health and happiness emotionally, physically, and psychologically) of student athletes at Southwestern University. METHODS: Using Google Forms, a survey was created including questions that would examine the anxiety (BECK anxiety scale) and stress (combination of the Student Stress …

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Acute Maltodextrin Supplementation During Resistance Exercise, Dylan T. Wilburn, Steven Machek, Tom Cardaci, Paul Hwang, Darryn Willoughby Feb 2020

Acute Maltodextrin Supplementation During Resistance Exercise, Dylan T. Wilburn, Steven Machek, Tom Cardaci, Paul Hwang, Darryn Willoughby

International Journal of Exercise Science: Conference Proceedings

PURPOSE: Most of the research investigating the ergogenic enhancing mechanisms of carbohydrate have been conducted using aerobic based exercise. Therefore, the purpose of this study was to investigate the effects of pre-exercise maltodextrin ingestion on resistance exercise performance, serum insulin, epinephrine, glucose, and muscle glycogen concentrations. METHODS: In a double blind, cross over, repeated measures design, participants completed four sets to failure at 70% of 1-RM with 45s rest on the angled leg press with or without pre-exercise maltodextrin (2g/kg) after a 3hr fast. Serum glucose, epinephrine, and insulin were assessed at baseline, 30 min post-ingestion, immediately after, and 1hr …

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Geographic Disparity Of Female Athlete Triad Awareness And Access To Resources In The Ncaa, Anna G. Warner, Katherine H. Rizzone, Robert D. Chetlin, Scott Davis, Timothy Harvey, Paul M. Gordon Feb 2020

Geographic Disparity Of Female Athlete Triad Awareness And Access To Resources In The Ncaa, Anna G. Warner, Katherine H. Rizzone, Robert D. Chetlin, Scott Davis, Timothy Harvey, Paul M. Gordon

International Journal of Exercise Science: Conference Proceedings

The Female Athlete Triad is a pervasive, multifactorial morbidity among college athletes. The geographic disparity of female athlete triad awareness and access to resources in NCAA is unknown. PURPOSE: To determine geographic disparities in awareness of Triad components and resource access in the National Collegiate Athletic Association (NCAA). METHOD: Division I-III NCAA compliance officers were sent an email containing a request to disseminate a web-based survey to cross country coaches in their respective conferences. The web-linked instrument included: a study synopsis; an informed consent statement, and; the IRB-approved survey tool. Respondents were grouped geographically based upon conference headquarters …

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Ubiquitin Proteasome System Activity Is Suppressed By Curcumin Following Exercise-Induced Muscle Damage In Human Skeletal Muscle, Thomas D. Cardaci, Steven B. Machek, Dylan T. Wilburn, Paul S. Hwang, Darryn Willoughby Phd Feb 2020

Ubiquitin Proteasome System Activity Is Suppressed By Curcumin Following Exercise-Induced Muscle Damage In Human Skeletal Muscle, Thomas D. Cardaci, Steven B. Machek, Dylan T. Wilburn, Paul S. Hwang, Darryn Willoughby Phd

International Journal of Exercise Science: Conference Proceedings

PURPOSE: Curcumin is a natural polyphenolic compound with antioxidant and anti-inflammatory properties. In vitro and in vivo animal studies have demonstrated that exposure to curcumin leads to dysregulation of the ubiquitin-proteasome system (UPS). However, to date, no study has investigated curcumin’s ability to influence UPS activity in a human model. Therefore, the purpose of this study was to investigate the effects of curcumin supplementation on markers of UPS activity in the presence of elevations in UPS activity due to exercise-induced muscle damage. METHODS: Twenty-three recreationally active male and female participants between the ages of 18-30 were randomized into …

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Contribution Of The Ankle, Knee, And Hip To Total Lower Extremity Internal/External Rotation, Dylan P. Lidge, Tal Amasay, Vered Arbel Feb 2020

Contribution Of The Ankle, Knee, And Hip To Total Lower Extremity Internal/External Rotation, Dylan P. Lidge, Tal Amasay, Vered Arbel

International Journal of Exercise Science: Conference Proceedings

The nature of the ankle, knee, and hip interaction can profoundly impact the movement patterns of the lower extremities. The ability to internally and externally rotate the lower extremity is essential in order to effectively absorb and apply force. In previous studies, most measurements have been conducted in 2D using a protractor, while mainly evaluating the hip. Dysfunction in any joint throughout the kinetic chain can lead to inefficient movement patterns that can compromise performance and potentially lead to injury. Appreciating the complexity of the lower extremity brings to attention the importance of any segments that are compromised. PURPOSE: …

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Rheologic Properties Of A Novel Gelatin Methacrylate Bioink For 3d Printing Musculoskeletal Grafts, Sara Peper, Neelam Ahuja, Thy Vo, Kamal Awad, Venu Varanasi Feb 2020

Rheologic Properties Of A Novel Gelatin Methacrylate Bioink For 3d Printing Musculoskeletal Grafts, Sara Peper, Neelam Ahuja, Thy Vo, Kamal Awad, Venu Varanasi

International Journal of Exercise Science: Conference Proceedings

According to data published in The Burden of Musculoskeletal Diseases in the United States (BMUS) nearly 18% of the US population experienced a sports-related musculoskeletal injury in 2012. The field of Tissue Engineering has made strides towards 3D printing musculoskeletal grafts in the past few years to treat these injuries. Despite these advances, producing bioinks that are highly printable and also imitate the dynamic viscoelastic properties of soft tissue types in order to stimulate regeneration remains a challenge. An ideal bioink for 3D bioprinting must possess proper mechanical, biological, and rheological properties for specific tissue applications. The most important rheologic …

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Metabolic Costs Of Stair-Stepping Methods, Chelsea Banawis, Edward Merritt Feb 2020

Metabolic Costs Of Stair-Stepping Methods, Chelsea Banawis, Edward Merritt

International Journal of Exercise Science: Conference Proceedings

Walking up stairs is physically demanding, causing high levels of perceived exertion and increased oxygen consumption compared to level walking. While stair-climbing exercise can be used to improve one’s cardiorespiratory fitness, individuals often choose the elevator for convenience and to minimize perceived exertion. Determining if a single step or double step method of stair-climbing requires different levels of oxygen consumption, and thereby exertion, could provide useful information potentially encouraging people to use the stairs. PURPOSE: This study was performed to determine whether stair-climbing using the single step method or double step method on a staircase creates greater oxygen consumption. The …

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Effects Of Weight Status And Sedentary Behavior On Depression Among Young Adults, Xiaoxia Zhang, Xiangli Gu, Samantha Moss Feb 2020

Effects Of Weight Status And Sedentary Behavior On Depression Among Young Adults, Xiaoxia Zhang, Xiangli Gu, Samantha Moss

International Journal of Exercise Science: Conference Proceedings

It has been a global concern that nearly one-third of young adults have persistent depressive disorder (Ibrahim et al., 2013). Engaging in excessive sedentary behavior coupled with the high prevalence of overweight and obesity among young adults have been known to be high-risk factors for depression (Tychenne et al., 2015). PURPOSE: The purpose of this study was to investigate the effects of weight status (normal weight vs. overweight/obese) and sedentary behavior (< 3 hrs vs. ³ 3 hrs) among male and female young adults, respectively. METHODS: A total of 139 young adults (96 females, 43 males; mean age = 22.44, SD = 3.71) were recruited from one public university in Northern …

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An Assessment Of The Potential For Standardizing Various Measures Of Arterial Stiffness, Taha A. Alhalimi, Jisok Lim, Hirofumi Tanaka Feb 2020

An Assessment Of The Potential For Standardizing Various Measures Of Arterial Stiffness, Taha A. Alhalimi, Jisok Lim, Hirofumi Tanaka

International Journal of Exercise Science: Conference Proceedings

Arterial stiffness is an independent risk factor for cardiovascular disease. Different measures of arterial stiffness have been used to assess the impacts of exercise training interventions. One of the primary problems faced by investigators conducting systematic reviews and meta-analyses is the lack of standardized methodology to evaluate and compare efficacies of the existing and newly conducted exercise interventions on arterial stiffness. The reference standard measure of arterial stiffness is pulse wave velocity (PWV) while other commonly-used methodologies are ultrasound-derived arterial compliance and distensibility. PURPOSE: To describe standardized equations to convert common ultrasound-based measures of arterial stiffness (arterial compliance, distensibility, ß-stiffness …

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Improvement In Physical Function And Quality Of Life In Older Adults Following 4 Weeks Of Neuromuscular Electrical Stimulation, Monica A. Mendoza, Mitchell S. Kane, Nigel C. Jiwan, Kyndall P. Ramirez, Lindsay E. Kipp Ph.D, Joni A. Mettler Ph.D Feb 2020

Improvement In Physical Function And Quality Of Life In Older Adults Following 4 Weeks Of Neuromuscular Electrical Stimulation, Monica A. Mendoza, Mitchell S. Kane, Nigel C. Jiwan, Kyndall P. Ramirez, Lindsay E. Kipp Ph.D, Joni A. Mettler Ph.D

International Journal of Exercise Science: Conference Proceedings

Older adults often suffer from sarcopenia, the age-related loss of muscle mass and strength, which negatively impacts physical function and quality of life (QoL). Neuromuscular electrical stimulation (NMES) is frequently used in physical rehabilitation as a muscle strengthening modality; however, little research exists on QoL outcomes in response to NMES. PURPOSE: The aim of this study was to determine changes in QoL and physical function in older adults after 4 weeks of NMES. METHODS: Ten healthy, older adults participated in the study (67.8 ± 2.1 years-old). Each participant was seated on an isokinetic dynamometer with the knee positioned at 60°, …

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Plasma Lipid, Glucose, And Immune Responses To Consumption Of Nutritive And Nonnutritive Sweeteners And Exercise, Jarrett Walbolt, Yunsuk Koh Feb 2020

Plasma Lipid, Glucose, And Immune Responses To Consumption Of Nutritive And Nonnutritive Sweeteners And Exercise, Jarrett Walbolt, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Although nonnutritive sweeteners are widely used as substitutes for nutritive sweeteners, it is currently uncertain how these commonly available sweeteners affect plasma glucose and lipid metabolism. PURPOSE: To examine how nutritive and nonnutritive sweeteners influence plasma lipid profiles, complete blood counts, and plasma glucose content at rest and during exercise. METHODS: This randomized, double-blinded, cross-over design study included 9 healthy, college aged, individuals (4 females and 5 males). In four separate visits, participants consumed 8 oz of sweetened drink in random order with either 445mg of stevia, 507mg of aspartame, 169mg of sucralose, or 110,000mg of sucrose mixed into water. …

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Comparing Assessments Of Vascular Function Via Flow-Mediated Dilation And Rhythmic Handgrip Exercise, Brandi Y. Stephens, Thales C. Barbosa, Jasdeep Kaur, Paul J. Fadel Feb 2020

Comparing Assessments Of Vascular Function Via Flow-Mediated Dilation And Rhythmic Handgrip Exercise, Brandi Y. Stephens, Thales C. Barbosa, Jasdeep Kaur, Paul J. Fadel

International Journal of Exercise Science: Conference Proceedings

Young, otherwise healthy Non-Hispanic Black individuals have been shown to exhibit blunted vascular responsiveness compared to their Non-Hispanic White counterparts, which may be a potential mechanism leading to higher cardiovascular disease risk in this group. Racial differences in vascular function have largely been assessed using flow-mediated dilation (FMD). However, more recent studies have proposed the use of rhythmic handgrip (HG) as an alternative measure of vascular function. PURPOSE: To compare whether rhythmic HG exercise could be an alternative technique to FMD in assessing differences in vascular function between black and white individuals. METHODS: Brachial artery vasodilation was assessed in …

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Exercise Prescription For And Outcomes Of A Cardiovascular And Cerebral Misfunction Case, Krystal Grant, Ana Castillo, Anthony Vempala, Kelsey Malinowski, Zacharias Papadakis Feb 2020

Exercise Prescription For And Outcomes Of A Cardiovascular And Cerebral Misfunction Case, Krystal Grant, Ana Castillo, Anthony Vempala, Kelsey Malinowski, Zacharias Papadakis

International Journal of Exercise Science: Conference Proceedings

HISTORY: A Caucasian 62 -year-old male was admitted in the emergency room with complaints of chest discomfort. Patient was experiencing weakness on the left side of his body and was considered medically paralyzed. Patient was experiencing seizures that occurred 1 month ago due to heart conditions and in the last two weeks he experienced another stroke. History consisted of cardiovascular disease, cancer and coronary artery disease and smoking for 25 years. In 2011, patient had a defibrillator and pacemaker put in. August of 2016, patient had gone through ventricular fibrillation and resulted in a stent placement. In 2017, patient …

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Differences In Impact And Load During Collegiate Rugby 7s, Camden Wilson, Jessica Prather, Javier Zaragoza, Matthias Tinnin, Ariane Secrest, Justin Goonan, Lemuel W. Taylor Iv Feb 2020

Differences In Impact And Load During Collegiate Rugby 7s, Camden Wilson, Jessica Prather, Javier Zaragoza, Matthias Tinnin, Ariane Secrest, Justin Goonan, Lemuel W. Taylor Iv

International Journal of Exercise Science: Conference Proceedings

Rugby 7s is a sport played with seven players, and two, 7-minute halves, played on a standard rugby field of 100 meters long by 70 meters wide. Impacts with forces greater than 10.0 Gs are an often occurrence in rugby 7s, and the occurrence can be quite frequent in such a short period of time (14 minutes of match play). Multiple matches are played in a day or throughout a weekend in tournament format thus adding to the load on players and current research on the amount of impact and load players experience is lacking in a U.S. collegiate population. …

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Exploring The Potential Role Of Family History Of Hypertension On Racial Differences In Sympathetic Vascular Transduction, Jane N. Cloud, Ben E. Young, Jody L. Greaney, Paul J. Fadel Feb 2020

Exploring The Potential Role Of Family History Of Hypertension On Racial Differences In Sympathetic Vascular Transduction, Jane N. Cloud, Ben E. Young, Jody L. Greaney, Paul J. Fadel

International Journal of Exercise Science: Conference Proceedings

The prevalence of hypertension in Non-Hispanic Black (BL) men surpasses all other racial groups. Our laboratory has previously demonstrated exaggerated vasoconstrictor and blood pressure (BP) responses to spontaneous bursts of muscle sympathetic nerve activity (MSNA; sympathetic vascular transduction) in young, healthy BL men compared to their Non-Hispanic White (WH) counterparts. Because a family history of hypertension (FHH) further compounds cardiovascular risk, we wanted to begin to explore the potential impact of a positive (+) FHH on sympathetic vascular transduction. Whether a +FHH influences sympathetic vascular transduction in WH and/or BL men remains unknown. PURPOSE: To begin to explore if +FHH …

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Sex Differences In Speed And Acceleration Metrics In Soccer A Case Of Ncaa, Division Iii Student-Athletes, Cas Costa, Tiffanie Alling, Mark Whitney, Grant Morgan, Andreas Stamatis Feb 2020

Sex Differences In Speed And Acceleration Metrics In Soccer A Case Of Ncaa, Division Iii Student-Athletes, Cas Costa, Tiffanie Alling, Mark Whitney, Grant Morgan, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

According to American College of Sports Medicine (ACSM) reports, wearable technology is the number one fitness trend for 2020 in the US. Division III (DIII) schools are the biggest participant in the National Collegiate Athletic Association (NCAA). In terms of number of student-athletes, soccer is the second most popular sport in NCAA. Duration of high speed and number of accelerations/decelerations have been identified as correlates of injuries, such as anterior cruciate ligament (ACL) injury, especially in female athletes. PURPOSE: To examine whether there are sex difference in the relationship of speed and acceleration metrics in collegiate soccer. METHODS: …

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Mental Toughness Trait Or State A Case Of Female, Ncaa Division I Soccer Players, Cece Rivera, Grant Morgan, Jeff S. Forsse, Andreas Stamatis Feb 2020

Mental Toughness Trait Or State A Case Of Female, Ncaa Division I Soccer Players, Cece Rivera, Grant Morgan, Jeff S. Forsse, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

The importance of mental toughness (MT) in sport settings is well recognized. However, there is an ongoing debate on whether MT is a state or a trait. Recent findings supports the notion that, although there is considerable stability, MT levels could fluctuate over time. Undoubtedly, this has implications over the likelihood of developing MT and its conceptualization. PURPOSE: To examine whether MT levels fluctuate significantly or are relatively stable over time. METHODS: All 30 players of the same Atlantic 10 women’s soccer team agreed to participate (Mage= 20.3, SD=1.7). The Mental Toughness Index (MTI) …

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Arbitrary Metrics In Mental Toughness Research: A Pilot Study Of Female, Ncaa, Division I Basketball Players And Their Strength And Conditioning Coach, Hanna Merrell, Grant Morgan, Jeff S. Forsse, Andreas Stamatis Feb 2020

Arbitrary Metrics In Mental Toughness Research: A Pilot Study Of Female, Ncaa, Division I Basketball Players And Their Strength And Conditioning Coach, Hanna Merrell, Grant Morgan, Jeff S. Forsse, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

Over the past two decades, mental toughness (MT) has become one of the most popular concepts in the field of positive psychology and more particularly, in both basic and applied sport psychology. However, the dependence on arbitrary metrics remains one of the major disapprovals of MT research as a whole. Although recently relationships of MT and objective performance indicators have been investigated (e.g., race time), arbitrary metrics still appear inadequate to support answers when it comes to the actual meaning and practicality of self-reported MT scores. Multi-rating, via cross-verification from various sources, can increase the validation of scores of …

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Sex Difference In Cardiorespiratory Stress From High-Intensity Interval Exercise, Paolo Miguel Salvador, Mauricio Martinez, Joaquin Gonzales, Eric Rivas Feb 2020

Sex Difference In Cardiorespiratory Stress From High-Intensity Interval Exercise, Paolo Miguel Salvador, Mauricio Martinez, Joaquin Gonzales, Eric Rivas

International Journal of Exercise Science: Conference Proceedings

High-intensity interval exercise is time efficient and has similar cardiorespiratory health benefits as moderate-intensity continuous exercise. However, the prescription of high-intensity exercise may differ between men and women due to sex differences in cardiovascular function. PURPOSE: Therefore, the objective of this study was to examine whether sex differences exist for absolute and relative oxygen uptake (VO2) and heart rate (HR) when exercise was performed at a percentage of maximal cycling work rate measured in watts (Wmax). METHODS: We recruited 8 active college-aged participants (5 men, 3 women). Participants completed an incremental maximal exercise test on a …

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The Effect Of External Ankle Support On Lower Extremity Biomechanics, Haley Hurt, Scott Mclean, Edward Merritt Feb 2020

The Effect Of External Ankle Support On Lower Extremity Biomechanics, Haley Hurt, Scott Mclean, Edward Merritt

International Journal of Exercise Science: Conference Proceedings

ACL injury risk has been related to abnormal frontal plane knee mechanics. It’s not clear whether constraining another lower extremity joint with bracing or taping might contribute to this increased injury risk by altering knee movements. PURPOSE: To examine the effect of external ankle support on lower extremity kinematics during a drop landing. METHODS: Twenty-five participants (20.3 ± 1.2 years, 168.7 ± 32.9 cm, 78.0 ± 14.9 kg) performed drop landings from a height of 61 cm under three conditions; no ankle support, athletic tape, and a lace-up ankle brace. The subject performed three trials per condition. Sixteen …

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King-Devick Test Score Is Linked To Cerebral Vasoreactivity During Acute Recovery Phase Post-Concussion, Madison E. Mccredie, Abigail Reichow, Mathew Stokes, Kathleen R. Bell, Sushmita Purkayastha Feb 2020

King-Devick Test Score Is Linked To Cerebral Vasoreactivity During Acute Recovery Phase Post-Concussion, Madison E. Mccredie, Abigail Reichow, Mathew Stokes, Kathleen R. Bell, Sushmita Purkayastha

International Journal of Exercise Science: Conference Proceedings

The King-Devick (KD) test is a quick screening tool used to detect oculomotor and attention related brain function impairments following a concussion. Adequate cerebral blood flow (CBF) is an indicator of structural and functional integrity and impairments in CBF have been linked to cognitive deficits following concussion. Cerebral vasoreactivity (CVR), a key measure of hemodynamic reserve, is an important factor in CBFregulation. PURPOSE: To examine the association between CVR and oculomotor and attention function, using KD test scores, in collegiate athletes following a concussion. METHOD: Eighteen male and female athletes diagnosed with a sports-related concussion were enrolled in the prospective …

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Impact Of Astaxanthin Supplementation On Postprandial Oxidative Stress, Liliana I. Renteria, Matthew J. Mcallister Feb 2020

Impact Of Astaxanthin Supplementation On Postprandial Oxidative Stress, Liliana I. Renteria, Matthew J. Mcallister

International Journal of Exercise Science: Conference Proceedings

Astaxanthin is a naturally occurring carotenoid found in salmon and microalgae that has antioxidative properties. Previous research shows dietary supplementation may result in increased endogenous antioxidant status and reduced markers of oxidative stress (OS). Research suggests OS causes increased risk for cardiometabolic and other chronic diseases, making it important to find interventions that can decrease occurrence of OS. While astaxanthin has been shown to be antioxidative, most studies observing the impact of astaxanthin has on OS has involved rodent models, therefore human trials are needed. PURPOSE: The purpose of this study was to assess whether four weeks of astaxanthin supplementation …

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