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2020

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Articles 271 - 300 of 400

Full-Text Articles in Physiology

Metabolic Costs Of A 58-Minute Multi-Intensity Exercise Session With And Without Music And Cueing, Cecilia Guerrero, Robbin Tran, Elizabeth Gutierrez, Candice Campbell, Jade Rodgers, Michelle Alencar, Jan Schroeder Feb 2020

Metabolic Costs Of A 58-Minute Multi-Intensity Exercise Session With And Without Music And Cueing, Cecilia Guerrero, Robbin Tran, Elizabeth Gutierrez, Candice Campbell, Jade Rodgers, Michelle Alencar, Jan Schroeder

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 358-365, 2020. It is unclear if the presence or absence of music and cueing influence total energy expenditure (TEE) during a multi-intensity exercise program. The purpose of this study was to determine the difference between TEE with or without music and cueing during a 58-minute exercise session using heart rate estimation (HRe) and indirect calorimetry (IC). Using a randomized crossover design, 22 participants (6 males; 16 females; 27.64 ± 10.33 yrs.) were randomized into two groups (Group A = 11; Group B = 11). All participants performed the same 58-minute exercise session under two …

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Pre- And Post-Activity Stretching Practices Of Collegiate Soccer Coaches In The United States, Lawrence W. Judge, Jason Avedesian, David M. Bellar, Donald L. Hoover, Bruce Craig, Jason Langley, Nicholas Nordmann, Makenzie A. Schoeff, Clark D. Dickin Feb 2020

Pre- And Post-Activity Stretching Practices Of Collegiate Soccer Coaches In The United States, Lawrence W. Judge, Jason Avedesian, David M. Bellar, Donald L. Hoover, Bruce Craig, Jason Langley, Nicholas Nordmann, Makenzie A. Schoeff, Clark D. Dickin

International Journal of Exercise Science

International Journal of Exercise Science 13(6): 260-272, 2020. Current pre- and post-activity stretching guidelines are designed to optimize performance and reduce injury risk. However, it is unclear whether soccer coaches adhere to these recommendations. The purpose of this study was to determine if collegiate soccer coaches’ perceptions and practices align with current scientific recommendations. A total of 781 questionnaires were electronically distributed to soccer coaches from NCAA Division I and III universities.The questionnaire obtained demographic, professional, and educational information, as well as stretching practices. Statistical analysis consisted of computing frequency counts and means where applicable. Pearson's Chi-square tests were performed …

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The Effect Of Static Stretching, Mini-Band Warm-Ups, Medicine-Ball Warm-Ups, And A Light Jogging Warm-Up On Common Athletic Ability Tests, Bryan Christensen, Colin W. Bond, Ryan Napoli, Kelly Lopez, Jason Miller, Kyle J. Hackney Feb 2020

The Effect Of Static Stretching, Mini-Band Warm-Ups, Medicine-Ball Warm-Ups, And A Light Jogging Warm-Up On Common Athletic Ability Tests, Bryan Christensen, Colin W. Bond, Ryan Napoli, Kelly Lopez, Jason Miller, Kyle J. Hackney

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 298-311, 2020. Proper warm-up is important for facilitating peak athletic performance and reducing injury risk; yet, warm-up procedures vary considerably amongst coaches and athletes. The purpose of this study was to assess the effect of a static stretching, medicine-ball, and mini-band warm-ups relative to a light jogging warm-up only on athletic ability test performance. It was hypothesized that static stretching would negatively affect performance, while medicine-ball and mini-band warm-ups would positively affect performance relative to light jogging only. Twelve female collegiate soccer players (19.3 ± 1.2y, 65.2 ± 7.5kg, 1.67 ± 0.07m) participated in …

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The Relationship Between Physical Characteristics And Maximal Strength In Men Practicing The Back Squat, The Bench Press And The Deadlift, Pierre-Marc Ferland, Alexander C. Pollock, Ryan Swope, Mark Ryan, Michael Reeder, Kristin J. Heumann, Alain-Steve Comtois Feb 2020

The Relationship Between Physical Characteristics And Maximal Strength In Men Practicing The Back Squat, The Bench Press And The Deadlift, Pierre-Marc Ferland, Alexander C. Pollock, Ryan Swope, Mark Ryan, Michael Reeder, Kristin J. Heumann, Alain-Steve Comtois

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 281-297, 2020. This study was designed to quantify the relationships between physical characteristics and maximal strength in the back squat, the bench press and the deadlift on powerlifters and football players.Eighteen male junior drug-tested classic powerlifters and seventeen NCAA Division II American football players’ anthropometric measurements were taken to compare them with maximal strength results from either a powerlifting meet or testing from their supervised strength and conditioning program. Pearson’s bivariate correlations analysis revealed (statistical significance was set at p

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Accuracy Assessment Of A Gps Device For Maximum Sprint Speed, Kathryn Alphin, Olivia Sisson, Brynn L. Hudgins, Catherine D. Noonan, Jennifer A. Bunn Feb 2020

Accuracy Assessment Of A Gps Device For Maximum Sprint Speed, Kathryn Alphin, Olivia Sisson, Brynn L. Hudgins, Catherine D. Noonan, Jennifer A. Bunn

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 273-280, 2020. Global positioning system (GPS) technology can capture maximum sprint speed (MSS) using fewer resources than electronic timing gates (ETG). Yet,errors with GPS technology are typically 1.01 km∙hr-1for instantaneous velocity, potentially limiting GPS accuracy. The purpose of this study was to compare MSS values obtained from GPS technology to those obtained from ETG. The MSS of 24 female athletes was determined using two tests that both began with a 20-m fly-in followed by: 1) 80-m maximal sprint with ETG placed at the start line, 30 m, 60 m, and 80 …

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The Acute Effect Of A Single Resistance Training Session On The Glycemic Response Among Women With Hiv/Aids, Dayane C. Souza, Pollyana M. Nunhes, Wagner J. Domingues, Kauana Marchini, Lucas F. Hey, Jairo Berti, Michele C. Trindade, Ademar Avelar Feb 2020

The Acute Effect Of A Single Resistance Training Session On The Glycemic Response Among Women With Hiv/Aids, Dayane C. Souza, Pollyana M. Nunhes, Wagner J. Domingues, Kauana Marchini, Lucas F. Hey, Jairo Berti, Michele C. Trindade, Ademar Avelar

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 319-328, 2020. The purpose of this study was to investigate the effect of a single resistance training session on the glycemic and lipid response of women with Human Immunodeficiency Virus (HIV)/Acquired Immunodeficiency Syndrome (AIDS) treated with Antiretroviral Therapy (ART). The sample consisted of 10 female subjects who underwent one resistance training session involving different muscle groups, that is, three sets of 8-12 repetitions with an interval of 90 seconds between the sets, and 120 seconds between exercises. The loads used in each exercise corresponded to an intensity equivalent to the interval of 5-7, which …

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Effect Of A Commercially Available Low-Dose Capsaicin Supplement On Knee Extensor Contractile Function, Brett Cross, Darell Parker, Sean P. Langan, Gregory J. Grosicki Feb 2020

Effect Of A Commercially Available Low-Dose Capsaicin Supplement On Knee Extensor Contractile Function, Brett Cross, Darell Parker, Sean P. Langan, Gregory J. Grosicki

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 312-318, 2020. Capsaicin, the active pungent ingredient in chili peppers and various spicy foods, is demonstrated to influence a variety of physiological systems including skeletal muscle. The purpose of this study was to examine if a chewable capsaicin supplement (1.2 mg) could enhance isokinetic knee extensor contractile performance. Nine young, recreationally active individuals (5 females/4 males; 23.6 ± 1.5 yrs; 24.2 ± 3.3 kg/m2) participated in this randomized, single-blind crossover study. Following a familiarization session, participants completed two isokinetic knee extensor contractile function assessments, 45 minutes after ingesting either a capsaicin fruit …

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Site-Specific Effects Of Swimming On Bone Density In Female Collegiate Swimmers, Margaret E. Miller, Sarah Kojetin, Lesley M. Scibora Feb 2020

Site-Specific Effects Of Swimming On Bone Density In Female Collegiate Swimmers, Margaret E. Miller, Sarah Kojetin, Lesley M. Scibora

International Journal of Exercise Science

International Journal of Exercise Science 13(1): 249-259, 2020. While swimming provides numerous cardiovascular and overall health benefits, past research suggests it provides no constructive benefits to bone strength and density at dual energy x-ray absorptiometry (DXA) measured hip and lumbar spine sites when compared to sedentary individuals. However, little research has focused on skeletal sites stressed by muscle forces during swimming such as the humerus, hip, and radius. The purpose of this study was to investigatesite-specific bone strength adaptations among female collegiate swimmers compared to sedentary controls. Bone geometry and strength were assessed by DXA and peripheral quantitative computed tomography …

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Cupping Therapy Does Not Influence Healthy Adult's Hamstring Range Of Motion Compared To Control Or Sham Conditions, Matthew Schafer, Jessica C. Tom, Tedd Girouard, James W. Navalta, Catherine L. Turner, Kara N. Radzak Feb 2020

Cupping Therapy Does Not Influence Healthy Adult's Hamstring Range Of Motion Compared To Control Or Sham Conditions, Matthew Schafer, Jessica C. Tom, Tedd Girouard, James W. Navalta, Catherine L. Turner, Kara N. Radzak

International Journal of Exercise Science

International Journal of Exercise Science 13(3): 216-224, 2020. Cupping therapy, a form of traditional Chinese medicine, has recently gained popularity as a therapeutic modality among sports medicine clinicians. While the use of cupping therapy to decrease musculoskeletal pain is supported by recent research findings, evaluations on the use of cupping therapy to influence range of motion (ROM) are limited. The purpose of the study was to identify if cupping therapy applied passively for 10 minutes increases flexibility compared to sham treatment or control conditions. Twenty-five participants with hamstring ROM less than 80° and no previous cupping therapy experience completed the …

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Commercially Available Capsaicin Supplement Fails To Enhance Time-To-Exhaustion During Cycling, Sean P. Langan, Gregory J. Grosicki Feb 2020

Commercially Available Capsaicin Supplement Fails To Enhance Time-To-Exhaustion During Cycling, Sean P. Langan, Gregory J. Grosicki

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 225-233, 2020. This study examined whether a commercially available low-dose (1.2 mg), chewable capsaicin supplement could enhance endurance cycling performance. Thirteen young (8M/5F), recreationally active individuals (age = 24.2 ± 2.9 yrs, body fat = 21.2 ± 6.1%) participated in the study. The study consisted of three visits, beginning with an initial evaluation of cardiorespiratory fitness (37.1 ± 5.5 ml/kg/min). During the second and third study visits, participants completed time-to-exhaustion (TTE) tests on a cycle ergometer at a workload eliciting ~90% VO2max, 45 minutes after ingesting either a 139 kcal capsaicin fruit gummy, or …

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Effect Of Jump Direction And External Load On Single-Legged Jump-Landing Biomechanics, Alexander J. Hron, Colin W. Bond, Benjamin C. Noonan Feb 2020

Effect Of Jump Direction And External Load On Single-Legged Jump-Landing Biomechanics, Alexander J. Hron, Colin W. Bond, Benjamin C. Noonan

International Journal of Exercise Science

International Journal of Exercise Science 13(1): 234-248, 2020. External load may increase an individual’s risk of non-contact anterior cruciate ligament (ACL) injury during single-legged jump-landing (SLJL).This study evaluated the effects of jump direction and external load on hip and knee joint motion and time to stabilization (TTS) during SLJL. Seventeen active males (n = 8) and females (22.2 ± 3.0 y, 1.75 ± 0.08 m, 73.4 ± 12.0 kg) participated in this randomized, crossover designed study. Single-legged jump-landings performed in two conditions, including without external load (BW) and with a torso-worn weight vest equal to 10% of the participant’s …

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Targeting Cancer-Anorexia Cachexia Syndrome And Septic Inflammatory-Based Atrophy With R/S 1,3 Butanediol Acetoacetate Diester, Andrew P. Koutnik Feb 2020

Targeting Cancer-Anorexia Cachexia Syndrome And Septic Inflammatory-Based Atrophy With R/S 1,3 Butanediol Acetoacetate Diester, Andrew P. Koutnik

USF Tampa Graduate Theses and Dissertations

Cancer anorexia cachexia syndrome (CACS) is a distinct atrophy disease negatively influencing multiple aspects of clinical care and patient quality of life. Although it directly causes 20% of all cancer-related deaths, there are currently no model systems that encompass the entire multifaceted syndrome, nor are there any effective therapeutic treatments. Here, we show that the VM-M3 mouse model of systemic metastasis demonstrates a novel, immunocompetent, logistically feasible, repeatable phenotype with progressive tumor growth, spontaneous metastatic spread, and the full multifaceted CACS with expected sex dimorphisms across tissue wasting. We also demonstrate that the ubiquitin proteasomal degradation pathway was significantly upregulated …

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Injury Surveillance During Competitive Functional Fitness Racing Events, Sean Williams, Joanne Hitchcock, Lewis Davies, Christopher Barnes, Steven Williams, Amy Williams Jan 2020

Injury Surveillance During Competitive Functional Fitness Racing Events, Sean Williams, Joanne Hitchcock, Lewis Davies, Christopher Barnes, Steven Williams, Amy Williams

International Journal of Exercise Science

International Journal of Exercise Science 13(6): 197-205, 2020. High-intensity functional training (HIFT) is an exercise training modality that has grown considerably in popularity over the last decade. More recently, competitive functional fitness racing events have emerged from HIFT, and aim to test athletes’ proficiency across a variety of movements, skills, and energy systems. Whilst the injury risk associated with HIFT has been shown to be low and comparable to other forms of recreational fitness activities, the injury risk associated with competitive functional fitness racing events is currently unknown. A prospective cohort design was used to record medical-attention injuries during two …

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Contrast Training Generates Post-Activation Potentiation And Improves Repeated Sprint Ability In Elite Ice Hockey Players, Sébastien Lagrange, Pierre-Marc Ferland, Mario Leone, Alain-Steve Comtois Jan 2020

Contrast Training Generates Post-Activation Potentiation And Improves Repeated Sprint Ability In Elite Ice Hockey Players, Sébastien Lagrange, Pierre-Marc Ferland, Mario Leone, Alain-Steve Comtois

International Journal of Exercise Science

International Journal of Exercise Science 13(6): 183-196, 2020. The purpose of this study was to measure the generating effects of Contrast Training (CT) on 6-hour post-activation potentiation (PAP) and its influence on jumping and on on-ice repeated sprint performance in ice hockey players. Forty-one participants were divided in two groups: experimental (EG) and control group (CG). The EG followed the CT PAP protocol which consisted of 5 sets of 5 half inertia back squat superset with 6 squat jumps. The effects of PAP were measured with the vertical countermovement jump (CMJ), stationary broad jump (BJ) and 9 repeated on ice …

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Young Adults Performance Of Unipedal Dynamic Balance With Various Footwear Conditions, Barbara Smith, Alice Hartman, David Martin, Jeremy Milford, Jacob Simmonds, Chris Truong Jan 2020

Young Adults Performance Of Unipedal Dynamic Balance With Various Footwear Conditions, Barbara Smith, Alice Hartman, David Martin, Jeremy Milford, Jacob Simmonds, Chris Truong

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 206-215, 2020. Wearing barefoot-style (minimalist) shoes is suggested as a transition between wearing shoes and barefoot running. Some sources equate wearing Vibram FiveFingers™(VFFs), a brand of barefoot shoes, with running/walking barefoot. Static and dynamic balance exercises are recommended. Little information is available on the effects barefoot shoes may have on dynamic balance. This study’s purpose was to examine dynamic balance when participants wore VFFs, athletic shoes, or went barefoot (BF). To test dynamic balance, participants used a modified version of the Star Excursion Balance Test (SEBT), in which the reaching leg followed only three …

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A Comparison Of Quadriceps-To-Hamstrings Ratios During Isokinetic Testing, Cutting, And Drop Landings In Male Soccer Players, Shane O'Donnell, Dana Eitan, Jenevieve L. Roper Jan 2020

A Comparison Of Quadriceps-To-Hamstrings Ratios During Isokinetic Testing, Cutting, And Drop Landings In Male Soccer Players, Shane O'Donnell, Dana Eitan, Jenevieve L. Roper

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 157-166, 2020. Collegiate soccer is not an unusual place to suffer a knee injury. The sport has many dynamic movements, such as cutting, jumping and shooting. Many professionals use quadriceps-to-hamstring (Q/H) ratios as a tool to determine when an injured player can to return to game play or use the ratio to investigate how predisposed a certain player is to sustaining a knee injury. However, many of these ratios are taken in isokinetic testing in a controlled environment and to our knowledge it is unknown if these ratios are similar to those measured during …

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Neither A Multi-Ingredient Pre-Workout Supplement Nor Caffeine Were Effective At Improving Markers Of Blood Flow Or Upper-Body Resistance Exercise Performance, Michael S. Blake, Nathaniel R. Johnson, Kara A. Trautman, James W. Grier, Sherri Stastny, Kyle Hackney Jan 2020

Neither A Multi-Ingredient Pre-Workout Supplement Nor Caffeine Were Effective At Improving Markers Of Blood Flow Or Upper-Body Resistance Exercise Performance, Michael S. Blake, Nathaniel R. Johnson, Kara A. Trautman, James W. Grier, Sherri Stastny, Kyle Hackney

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 167-182, 2020. Few studies have measured the effects of multi-ingredient pre-workout supplements on blood flow or heart rate variability or have compared a multi-ingredient pre-workout supplement to a matched single ingredient. This study examined the effects of a multi-ingredient pre-workout supplement, an equivalent amount of caffeine, and placebo on markers of resistance training performance, blood flow, blood pressure, and heart rate variability. The study utilized a randomized, placebo-controlled, repeated-measures, crossover design. Twelve resistance-trained males (22.75 ± 4.51 yrs; 183.4 ± 7.37 cm; 91.05 ± 17.77 kg) completed the study. Resistance exercise performance was defined …

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The Effects Of 3 Weeks Yogic Breathing Practice On Ventilation And Running Economy, Christie L. Seltmann, Lauren Killen, Matt Green, Eric O'Neal, Jonathan Swain, Christopher Frisbie Jan 2020

The Effects Of 3 Weeks Yogic Breathing Practice On Ventilation And Running Economy, Christie L. Seltmann, Lauren Killen, Matt Green, Eric O'Neal, Jonathan Swain, Christopher Frisbie

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 62-74, 2020. Yogic breathing techniques (Pranayama) positively impact respiratory function (RF) in non-endurance trained individuals.The purpose of this study investigated effects of routine Pranayama practice on RF, running economy (RE) and perceptual responses. A between subject’s case-control study design was incorporated.Eleven runners practiced three styles of Pranayama (30 min/day 6 days/week) for 3 consecutive weeks (YG) and completed a VO2max tests on a treadmill (trial 1), basic RF tests, and constant workload RE trials at 60, 70, and 80% VO2max (trial 2 and 3). A control …

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Functional Significance Of Endothelial Sigma-1 Receptors In Vascular Reactivity And Barrier Function, Zeinab Y. Motawe Jan 2020

Functional Significance Of Endothelial Sigma-1 Receptors In Vascular Reactivity And Barrier Function, Zeinab Y. Motawe

USF Tampa Graduate Theses and Dissertations

The sigma-1 receptor (σ1) is a single 25 kD polypeptide that acts as a chaperone protein residing primarily in the endoplasmic reticulum Its interaction with mitochondria at the mitochondria-associated ER membrane domain is well-documented. Following activation, σ1 binds to the inositol trisphosphate receptor (Hayashi & Su), and modulates intracellular calcium homeostasis. Also, the activated σ1 modulates plasma membrane receptors and ion channel functions, and may regulate cellular excitability. Further, σ1 affects trafficking of lipids and proteins essential for neurotransmission, cell growth and motility. Activation of σ1 provides neuroprotection and cardio-protection in various models. Examples of neuroprotection include but not limited …

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Changes In Health Behaviors And Outcomes Following Graduation From Higher Education, Oliver W A Wilson, Peter J. Matthews, Michele Duffey, Zack Papalia, Melissa Bopp Jan 2020

Changes In Health Behaviors And Outcomes Following Graduation From Higher Education, Oliver W A Wilson, Peter J. Matthews, Michele Duffey, Zack Papalia, Melissa Bopp

International Journal of Exercise Science

International Journal of Exercise Science 13(5): 131-139, 2020. The purpose of this study was to examine changes in health behaviors and outcomes of higher education (college) students following graduation. Undergraduate students (n= 206) enrolled at a large, northeastern United States university in general education health and wellness courses were assessed pre and post-graduation. Participants self-reported their demographics, physical activity behaviors, dietary behaviors, sleep, and stress pre and post-graduation via an online survey. Paired sample t-tests examined changes health behaviors pre and post-graduation. Following graduation, fruit and vegetable consumption increased significantly, moderate physical activity declined significantly, and both vigorous …

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Whole-Body Vibration Training In Frail, Skilled Nursing Home Residents, Brandon Grubbs, Arturo Figueroa, Jeong-Su Kim, Robert Contreras, Karla Schmitt, Lynn Panton Jan 2020

Whole-Body Vibration Training In Frail, Skilled Nursing Home Residents, Brandon Grubbs, Arturo Figueroa, Jeong-Su Kim, Robert Contreras, Karla Schmitt, Lynn Panton

International Journal of Exercise Science

International Journal of Exercise Science 13(3): 140-156, 2020. Frailty is a geriatric syndrome characterized by diminished muscle strength, endurance, and weakened physical function. Physical frailty is often unaddressed clinically as it tends to manifest among chronic illnesses and sarcopenia, and consensus criteria for frailty diagnosis remains elusive. Whole-body vibration training (WBVT) has been used to improve deficits in lower body muscular strength and functional performance in healthy and high functioning older adults; therefore, the purpose of this study was to determine the effects of WBVT on physical frailty in skilled nursing home residents. This study compared the effects of 12 …

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Impacts Of The Deepwater Horizon Oil Spill On Reproduction And Ontogeny Of Gulf Killifish (Fundulus Grandis), Charles Alexander Brown Jan 2020

Impacts Of The Deepwater Horizon Oil Spill On Reproduction And Ontogeny Of Gulf Killifish (Fundulus Grandis), Charles Alexander Brown

LSU Doctoral Dissertations

On April 20, 2010, the Deepwater Horizon oil spill released an estimated 779 million liters of Macondo-252 crude oil into the Gulf of Mexico, making it the largest marine oil spill in history. Over a thousand kilometers of marshland that many species of fish use as a spawning grounds and nurseries was oiled, exposing breeding adult fish and their offspring to oil. My dissertation investigates the impacts of the Deepwater Horizon oil spill and associated remediation efforts on the reproduction and ontogeny of a sentinel ecotoxicological species, the Gulf killifish (Fundulus grandis). Concerns were raised regarding use of …

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Shoulder Strength And Range Of Motion Between Collegiate Pitchers And Position Players In Baseball, Fitzgerald Dodds, Santi-Lah Knotts, Matthew Penrod, William Scoggins, Ryan T. Conners Jan 2020

Shoulder Strength And Range Of Motion Between Collegiate Pitchers And Position Players In Baseball, Fitzgerald Dodds, Santi-Lah Knotts, Matthew Penrod, William Scoggins, Ryan T. Conners

International Journal of Exercise Science

International Journal of Exercise Science 13(6): 123-130, 2020. Baseball is a sport that places excessive strain on the shoulder complex caused from repetitive overhead throws. In the sport of baseball, shoulder strength and range of motion (ROM) are paramount for success on the field. The purpose of this study was to determine strength and ROM differences between collegiate baseball pitchers and position players. It was hypothesized that pitchers would have higher strength and ROM values, due to the volume of throwing a pitcher performs.A total of nine collegiate baseball pitchers and position players (n= 18) volunteered for …

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The Effects Of An Acute Bout Of Self-Myofascial Release On The Physiological Parameters Of Running, Debra A. Stroiney, Sarah Herrick, Jennifer Bossi, Vincent J. Paolone, Tracey Matthews Jan 2020

The Effects Of An Acute Bout Of Self-Myofascial Release On The Physiological Parameters Of Running, Debra A. Stroiney, Sarah Herrick, Jennifer Bossi, Vincent J. Paolone, Tracey Matthews

International Journal of Exercise Science

International Journal of Exercise Science 13(3): 113-122, 2020. This study examined changes in the physiological parameters of running performance when self-myofascial release (SMR) was used prior to a submaximal run. A total of 16 male recreational runners, between the ages of 27 and 50 years old volunteered for the study. Participants had to complete a running event measuring a 10K or longer in the past 12 months and obtained a O2peakvalue of 45 mL·kg-lmin-1to be included in the study. Participants took part in two 40 min treadmill runs at 75% of their O2peak …

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Insights On Ten Weeks Of Classical Ballet Training And Postural Stability In Older Adults, Hannah Weighart, Sarah Dipasquale Jan 2020

Insights On Ten Weeks Of Classical Ballet Training And Postural Stability In Older Adults, Hannah Weighart, Sarah Dipasquale

International Journal of Exercise Science

International Journal of Exercise Science 13(1): 101-112, 2020. Older adults show an increased risk of falling as they age, but dance interventions of various genres have been shown to improve postural stability in this population. The purpose of this study was to investigate the effects of a ten-week beginning ballet intervention on postural stability for older adults. Eleven participants enrolled in the Dance Group (DG; 73.3 ± 10.6 years) while six enrolled in the Control Group (CG; 69.5 ± 11.9 years) via convenience sample. Following the intervention, no significant differences were seen within the DG from pre- to post-testing or …

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To Flex Or Rest: Does Adding No-Load Isometric Actions To The Inter-Set Rest Period In Resistance Training Enhance Muscular Adaptations? A Randomized-Controlled Trial, Brad J. Schoenfeld, Jozo Grgic, Bret Contreras, Kenneth Delcastillo, Andrew Alto, Cody Haun, Eduardo O. De Souza, Andrew D. Vigotsky Jan 2020

To Flex Or Rest: Does Adding No-Load Isometric Actions To The Inter-Set Rest Period In Resistance Training Enhance Muscular Adaptations? A Randomized-Controlled Trial, Brad J. Schoenfeld, Jozo Grgic, Bret Contreras, Kenneth Delcastillo, Andrew Alto, Cody Haun, Eduardo O. De Souza, Andrew D. Vigotsky

Publications and Research

We aimed to investigate the effects of resistance training (RT) combined with no-load isometric actions (iso-holds) during the inter-set recovery period versus RT that involves passive inter-set rest on muscular strength, muscular hypertrophy, and muscular endurance in resistance-trained men. Twenty-seven resistance-trained male volunteers were randomly assigned to either a traditional group (TRAD) that performed a hypertrophy-oriented RT routine with the rest intervals spent passively (n = 13) or to a group that supplemented traditional RT with iso-holds (ISO) for the working muscle group between each set (n = 14). Training for both routines consisted of three weekly sessions performed for …

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Effects Of Intermittent Pneumatic Compression On Delayed Onset Muscle Soreness (Doms) In Long Distance Runners, Shane Draper, Emily Kullman, Kenneth E. Sparks, Kathleen D. Little, Joan Thoman Jan 2020

Effects Of Intermittent Pneumatic Compression On Delayed Onset Muscle Soreness (Doms) In Long Distance Runners, Shane Draper, Emily Kullman, Kenneth E. Sparks, Kathleen D. Little, Joan Thoman

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 75-86, 2020. The purpose of this study was to observe the effectiveness of intermittent pneumatic compression (IPC) on reducing C-reactive protein (CRP) and DOMS after long distance running.Ten distance runners, five males and five females, ages 20-53 years performed two 20-mile runs at 70% VO2max. Each run was followed by either no treatment (control) or IPC treatment for five consecutive days. For the IPC run, participants were treated for one hour immediately following the run and daily for five more days thereafter. On control runs, participants did not receive any treatment. …

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Continued Play Following Sport-Related Concussion In United States Youth Soccer, Aaron J. Zynda, Meagan J. Sabatino, Henry B. Ellis Jr., Shane M. Miller Jan 2020

Continued Play Following Sport-Related Concussion In United States Youth Soccer, Aaron J. Zynda, Meagan J. Sabatino, Henry B. Ellis Jr., Shane M. Miller

International Journal of Exercise Science

International Journal of Exercise Science 13(6): 87-100, 2020. Medical guidelines and legislation in the US call for immediate removal from play and prohibit continued play on the same day if a concussion is suspected. However, there is limited literature examining whether these guidelines and laws are being followed in youth soccer. The purpose of this study was to identify the frequency at which youth soccer players continued play on the same day following sport-related concussion and factors that may be associated with this behavior. A retrospective review of youth soccer players diagnosed at the initial clinic visit with a sport-related …

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The Location Of Sensing Determines The Pancreatic Β-Cell Response To The Viral Mimetic Dsrna, Zachary R. Shaheen, Joshua D. Stafford, Michael G. Voss, Bryndon J. Oleson, Jennifer S. Stancill, John A. Corbett Jan 2020

The Location Of Sensing Determines The Pancreatic Β-Cell Response To The Viral Mimetic Dsrna, Zachary R. Shaheen, Joshua D. Stafford, Michael G. Voss, Bryndon J. Oleson, Jennifer S. Stancill, John A. Corbett

Biological Sciences Faculty Research & Creative Works

Viral infection is an environmental trigger that has been suggested to initiate pancreatic β-cell damage, leading to the development of autoimmune diabetes. Viruses potently activate the immune system and can damage β-cells by either directly infecting them or stimulating the production of secondary effector molecules (such as proinflammatory cytokines) during bystander activation. However, how and where β-cells recognize viruses is unclear, and the antiviral responses that are initiated following virus recognition are incompletely understood. In this study, we show that the β-cell response to dsRNA, a viral replication intermediate known to activate antiviral responses, is determined by the cellular location …

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A&P Workshop Summary—Uniting Anatomy And Physiology Through Case Studies, Angela Horner, Stuart Sumida, Tomasz Owercowicz Jan 2020

A&P Workshop Summary—Uniting Anatomy And Physiology Through Case Studies, Angela Horner, Stuart Sumida, Tomasz Owercowicz

Q2S Enhancing Pedagogy

Introducing problem-solving based methods of pedagogy is one approach to engage students early in their careers with developing analytic and diagnostic skills. PBL approaches in anatomy and medical teaching are a logical extension of clinical case studies, wherein an example of a pathology or clinical procedure is provided, and students must ascertain the anatomical and/or physiological basis for it. Students report a deeper understanding of material presented in clinical case studies, as the ‘real world’ relevance and importance is immediately clear (Cliff and Wright, 1996).

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