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Articles 751 - 780 of 2356

Full-Text Articles in Kinesiology

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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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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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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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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In-Season Hip Thrust Vs. Back Squat Training In Female High School Soccer Players, Nicole A. Millar, Lauren M. Colenso-Semple, Robert G. Lockie, Risto H.J. Marttinen, Andrew J. Galpin Jan 2020

In-Season Hip Thrust Vs. Back Squat Training In Female High School Soccer Players, Nicole A. Millar, Lauren M. Colenso-Semple, Robert G. Lockie, Risto H.J. Marttinen, Andrew J. Galpin

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 49-61, 2020. The barbell back squat provides a highly effective training stimulus to improve lower body strength, speed, and power, which are considered key components of athletic performance in many sports. The barbell hip thrust exercise utilizes similar musculature, and is popular among practitioners, but has received far less scientific examination. The purpose of this study was to evaluate the effects of an in-season resistance training program with hip thrusts or back squats on physical performance in adolescent female soccer players. Fourteen players completed identical whole-body resistance training twice per week for 6 weeks, …

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Reliability And Test-Retest Agreement Of Mechanical Variables Obtained During Countermovement Jump, Alisson Alves Souza, Martim Bottaro, Valdinar Araujo Rocha Jr, Victor Lage, James J. Tufano, Amilton Vieira Jan 2020

Reliability And Test-Retest Agreement Of Mechanical Variables Obtained During Countermovement Jump, Alisson Alves Souza, Martim Bottaro, Valdinar Araujo Rocha Jr, Victor Lage, James J. Tufano, Amilton Vieira

International Journal of Exercise Science

International Journal of Exercise Science 13(4): 6-17, 2020. The countermovement jump (CMJ) is often used as performance measure and monitoring tool. Traditionally, jump height (JH) is most often studied and reported, but other variables (e.g. force, velocity, power) can also be obtained during CMJ testing on a force plate. The aim of this study was to determine the intra-rater reliability of mechanical variables obtained during CMJs. For this, 41 physically active men (24 ± 4 years) performed four CMJs on a force plate with an interval of 48 to 168 hours (test-retest design). Six variables were analyzed: 1) jump height …

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Rate Of Perceived Exertion And Cardiorespiratory Fitness In Older Adults With And Without Alzheimer's Disease, Andrea Bevan, Eric Dennis Vidoni, Amber Watts Jan 2020

Rate Of Perceived Exertion And Cardiorespiratory Fitness In Older Adults With And Without Alzheimer's Disease, Andrea Bevan, Eric Dennis Vidoni, Amber Watts

International Journal of Exercise Science

International Journal of Exercise Science 13(3): 18-35, 2020. Exercise has many benefits for physical and cognitive health in older adults, yet there are many barriers to exercise adherence in this population. Subjective perception of exercise difficulty, or rate of perceived exertion (RPE), may especially be a barrier to exercise in individuals with Alzheimer’s disease (AD), due to changes in initiation and motivation that accompany changes in cognition and brain function. RPE is the most commonly used measure of subjective effort in exercise research, yet the relationship between RPE and objective fitness is not fully understood in older adults. A better …

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Post Exercise Hypotension Following Concurrent Exercise: Does Order Of Exercise Modality Matter?, Whitley J. Stone, Mark A. Schafer, Scott W. Arnett, Scott Lyons Jan 2020

Post Exercise Hypotension Following Concurrent Exercise: Does Order Of Exercise Modality Matter?, Whitley J. Stone, Mark A. Schafer, Scott W. Arnett, Scott Lyons

International Journal of Exercise Science

International Journal of Exercise Science 13(2): 36-48, 2020. Cardiovascular (CV) and resistance training (RT) can moderate negative effects of aging, disease, and inactivity. Post-exercise hypotension (PEH) has been used as a non-pharmacological means to control and reduce BP. Few have evaluated PEH response following a bout of exercise combining CV and RT, whether or not there is an order effect, or if PEH continues when activities of daily living (ADLs) are resumed. Participants (N= 10) completed a non-exercise control, a graded exercise test (GXT), and two concurrent sessions (CVRT and RTCV). Each session was followed by a 60-minute …

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New Author Guidelines In Statistical Reporting: Embracing An Era Beyond P < .05, Samantha Johnson, Whitley J. Stone, Jennifer Bunn, Scott Lyons, James W. Navalta Jan 2020

New Author Guidelines In Statistical Reporting: Embracing An Era Beyond P < .05, Samantha Johnson, Whitley J. Stone, Jennifer Bunn, Scott Lyons, James W. Navalta

International Journal of Exercise Science

International Journal of Exercise Science 13(1): 1-5, 2020. Statistical reporting of quantitative research data has been plagued by potential bias and reporting suppression due to a single numerical output: the p-value. While there is great importance in its merit, creating a pass-fail system (set at point of .05) has created a culture of researchers submitting their project’s data to a filing cabinet if it does not yield “statistical significance” based on this value. The editors of the International Journal of Exercise Science are following the American Statistical Association’s call for statistical reform by adjusting our reporting guidelines to the …

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The Impact Of Exercise In Spaceflight And Microgravity Environments, William Bybee Jan 2020

The Impact Of Exercise In Spaceflight And Microgravity Environments, William Bybee

Mahurin Honors College Capstone Experience/Thesis Projects

Since mankind’s first spaceflight, a significant barricade in reaching distant planets has been the damaging effects of microgravity upon the human body. Effects range from loss in bone mineral density and severe muscle atrophy to autoimmune disorders. The most effective countermeasure of these effects to date is exercise. Implementation of exercise in microgravity is not an easy task, so various specialized equipment must be utilized to effectively administer it. Even with this equipment, exercise as it is currently used does not entirely prevent body systems from undergoing detrimental changes. New modalities and implementations are currently being investigated that may significantly …

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The Role Of Mitochondrial Pyruvate Carrier 1 (Mpc1) In Heart Failure And Its Implications For Cardiac Recovery, Obadiah Issachar Kirk Jan 2020

The Role Of Mitochondrial Pyruvate Carrier 1 (Mpc1) In Heart Failure And Its Implications For Cardiac Recovery, Obadiah Issachar Kirk

Mahurin Honors College Capstone Experience/Thesis Projects

Heart failure (HF) is a complex syndrome with high mortality rates around the world. HF also has diverse etiology as many things contribute such as hypertension, obesity, coronary artery disease, inflammation, and cardiac arrhythmias. Studies have shown that unloading of a failing heart with a left ventricular assist device (LVAD) can lead to cardiac recovery in a subpopulation of individuals with advanced HF. RNA-sequencing and protein expression analysis of myocardial tissue from HF patients who underwent the LVAD implant and heart transplant indicated that subpopulation of HF patients who responded to LVAD unloading had significantly lower levels of mitochondrial pyruvate …

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Effects Of Active Sitting On Reading And Typing Task Productivity, Claire Doroff, Emily Langford, Ronald L. Snarr Jr. Nov 2019

Effects Of Active Sitting On Reading And Typing Task Productivity, Claire Doroff, Emily Langford, Ronald L. Snarr Jr.

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 1216-1224, 2019. Increased sedentary behavior and reduced physical activity among children and adults has led to the advent of various active devices to combat these behaviors. Active sitting, consisting of modified chairs or stability balls, allows the body to stay dynamic while seated. While research has evaluated the health benefits of active sitting, minimal research has shown the effects of active sitting on productivity in adult populations. The purpose was to evaluate the effects of various chairs (active versus non-active) on typing and reading task productivity. Twenty adult participants performed typing and reading tasks …

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Feasibility, Acceptability, And Preliminary Efficacy Of A Recess-Based Fitness Intervention In Elementary School Children, Christine W. St. Laurent, Sarah Burkart, Sofiya Alhassan Nov 2019

Feasibility, Acceptability, And Preliminary Efficacy Of A Recess-Based Fitness Intervention In Elementary School Children, Christine W. St. Laurent, Sarah Burkart, Sofiya Alhassan

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1225-1243, 2019. Although fitness may benefit cognition in youth, most attention has been given to cardiorespiratory fitness despite the health benefits of muscular fitness. Few studies have examined interventions that incorporate both cardiorespiratory and muscular fitness or have been offered during school recess. Furthermore, most fitness intervention studies examining cognitive outcomes have not reported on implementation information. The purpose of this pilot study was to examine the feasibility, acceptability, and preliminary efficacy on fitness and cognition of a recess intervention in elementary school children. Two schools were randomized to either a 3-month cardiorespiratory and …

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Three-Months Of Neuromotor Fitness Program Affect The Body Composition And Physical Performance In Untrained Women, João Vinnícius Vasconcellos De Oliveira, Estêvão Rios Monteiro, Victor Gonçalves Corrêa Neto, Paulo Henrique Marchetti, Jefferson Da Silva Novaes, Amanda Fernandes Brown Nov 2019

Three-Months Of Neuromotor Fitness Program Affect The Body Composition And Physical Performance In Untrained Women, João Vinnícius Vasconcellos De Oliveira, Estêvão Rios Monteiro, Victor Gonçalves Corrêa Neto, Paulo Henrique Marchetti, Jefferson Da Silva Novaes, Amanda Fernandes Brown

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1346-1354, 2019. The purpose of this study was to investigate the effect of three months of neuromotor fitness on body composition and physical performance in untrained women. Nine untrained women (age: 38.1 ± 6.9 years; total body mass: 79.3 ± 10.7 kg; height: 161.5 ± 3.9 cm; body mass index: 30.4 ± 4.1) participated in the present study. Subjects attended the laboratory on twenty-seven occasions during a three-month period at least forty-eight hours in between sessions. Sessions 1 and 2 were used to measure morphology and body composition, and to familiarize all subjects with …

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Hot Training Conditions Inhibit Adequate Ad Libitum Recovery Fluid Intake Of Runners, Brett A. Davis, Eric O'Neal, Samantha Johnson, Richard S. Farley Nov 2019

Hot Training Conditions Inhibit Adequate Ad Libitum Recovery Fluid Intake Of Runners, Brett A. Davis, Eric O'Neal, Samantha Johnson, Richard S. Farley

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 1322-1333, 2019. This study examined voluntary fluid intake, hydration descriptors, and sweat loss estimation accuracy following runs in wet bulb globe temperatures of 18 (TEMP) and 26 ºC (HOT). Twelve male runners completed 1-h runs at 65% of VO2 max with access to water during runs and a variety of beverages for the following 24-h. Urine specific gravity (USG), body mass, fluid intake, and urine output were assessed at 12 and 24-h. Runners lost 1.355 ± 0.263 and 1.943 ± 0.485 L during TEMP and HOT, respectively. Sweat loss volume was underestimated by …

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Effects Of Caffeine On Tennis Serve Accuracy, Benjamin Pj Poire, Lauren Killen, Matt Green, Eric O'Neal, Lee Renfroe Nov 2019

Effects Of Caffeine On Tennis Serve Accuracy, Benjamin Pj Poire, Lauren Killen, Matt Green, Eric O'Neal, Lee Renfroe

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 1290-1301, 2019. This study examined the effects of caffeine on tennis serve accuracy. Division II tennis athletes (n = 10) completed two serve trials (double-blind, counterbalanced) following ingestion of 6 mg/kg of caffeine or matched placebo an hour prior to data collection. During each tennis serve trial, participants completed 48 non-fault serves divided into 3 sets with 2 serves per 8 different targets. Following each 2 serves per target format, participants completed a shuttle run sprint. Separate 2 (trial) x 8 (targets) repeated measures analysis of variances (ANOVAs) were used for distances from …

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The Relationship Between Maternal And Obese Children’S Daily Physical Activity., Shelby J. Foote, Alexandra Venezia, Darby J. Winkler, Keith R. Losche, Danielle D. Wadsorth Nov 2019

The Relationship Between Maternal And Obese Children’S Daily Physical Activity., Shelby J. Foote, Alexandra Venezia, Darby J. Winkler, Keith R. Losche, Danielle D. Wadsorth

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 1302-1314, 2019. This study examined the effects of maternal influence on child’s daily physical activity. Participants consisted of eight families; parents (n = 9) and obese children (n = 10). Families were asked to attend exercise sessions at a university laboratory for 10 weeks. Daily physical activity was measured with a MovBand 3 which is a wrist worn accelerometer that records physical activity as moves. Linear mixed-effects models were used to predict daily physical activity over time and child physical activity as a function of parent physical activity on a day-to-day basis. …

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Is The Ftp Test A Reliable, Reproducible And Functional Assessment Tool In Highly-Trained Athletes?, Eanna M. Mc Grath, Nicholas Mahony, Neil Fleming, Bernard Donne Nov 2019

Is The Ftp Test A Reliable, Reproducible And Functional Assessment Tool In Highly-Trained Athletes?, Eanna M. Mc Grath, Nicholas Mahony, Neil Fleming, Bernard Donne

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1334-1345, 2019. The aim of the current study was to assess reliability of the Functional Threshold Power test (FTP) and the corresponding intensity sustainable for 1-hour in a “quasi-steady state”. Highly-trained athletes (n = 19) completed four non-randomized tests over successive weeks on a Wattbike; a 3-min incremental test (GxT) to exhaustion, two 20-min FTP tests and a 60-min test at computed FTP (cFTP). Power at cFTP was calculated by reducing 20-min FTP data by 5% and was compared with power at Dmax and lactate threshold (TLac). Ventilatory and blood lactate …

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Effect Of Capris In Validity Of Air-Displacement Plethysmography In Female College Students, Sydney Haynes, Joshua Miller, Kyle Susa Nov 2019

Effect Of Capris In Validity Of Air-Displacement Plethysmography In Female College Students, Sydney Haynes, Joshua Miller, Kyle Susa

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1315-1321, 2019. Body composition testing is completed in human performance laboratories, local health clubs, and many other locations each day. Maintaining proper technique is required to make sure the results are reliable and valid. The purpose of this study was to compare traditional clothing (spandex shorts and sports bra) and non-traditional clothing (Capri-length spandex pants and sports bra) in females while utilizing the Bod Pod to determine body composition. Nineteen female participants ages 18 - 25 years (Mage = 21.2 years) performed two Bod Pod tests either wearing traditional or non-traditional clothing when …

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Acute Caffeine Ingestion Increases Velocity And Power In Upper And Lower Body Free-Weight Resistance Exercises, Thomas Degrange, William Jackson, Tyler Williams, Rebecca R. Rogers, Mallory Marshall, Christopher Ballmann Nov 2019

Acute Caffeine Ingestion Increases Velocity And Power In Upper And Lower Body Free-Weight Resistance Exercises, Thomas Degrange, William Jackson, Tyler Williams, Rebecca R. Rogers, Mallory Marshall, Christopher Ballmann

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 1280-1289, 2019. The purpose of this study was to examine the acute effects of caffeine supplementation on velocity and power output during bench press and back squat exercises. Resistance trained males (n = 12) consuming less than 300 mg of caffeine daily, were recruited for this study. In a blinded crossover study design, participants supplemented with 6 mg· kg-1 caffeine or placebo (placebo, gluten-free cornstarch) 60 min prior to exercise. Participants completed 3 × 1 repetition with maximum explosive intent at 80% of their 1-RM for bench and squat exercises with two …

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Effect Of Sex And Menstrual Cycle On Skin Sensory Nerve Contribution To Local Heating, Zachary T. Martin, Carley A. Shannon, Brandon M. Kistler, Paul R. Nagelkirk, Andrew T. Del Pozzi Nov 2019

Effect Of Sex And Menstrual Cycle On Skin Sensory Nerve Contribution To Local Heating, Zachary T. Martin, Carley A. Shannon, Brandon M. Kistler, Paul R. Nagelkirk, Andrew T. Del Pozzi

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 1265-1279, 2019. The purpose of this study was to determine sex differences in the contribution of sensory nerves to rapid cutaneous thermal hyperemia. Healthy young females (n = 15, tested during both the early follicular (EF) and the mid-luteal (ML) phase of the menstrual cycle) and males (n = 15) had a 4 cm2 area of skin on one forearm and one leg treated with a eutectic mixture of local anesthetic (EMLA). EMLA sites, along with corresponding control sites, were instrumented with laser Doppler flowmetry probes and local skin heaters. Baseline (33 …

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Validation Of Practical Tools To Identify Walking Cadence To Reach Moderate Intensity, Spencer F.C. Smith, Matthew A. Short, Martin Sénéchal, Danielle R. Bouchard Nov 2019

Validation Of Practical Tools To Identify Walking Cadence To Reach Moderate Intensity, Spencer F.C. Smith, Matthew A. Short, Martin Sénéchal, Danielle R. Bouchard

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1244-1253, 2019. It is recommended that adults get at minimum 150 minutes of moderate-to-vigorous physical activity in bouts of 10 minutes or greaterevery week. Walking cadence (steps per minute) is one easy way to estimate intensity required, however tools that claim to quantify walking intensity via walking cadence have not been validated in adults. We aimed to validate: 1- the accuracy of walking cadence measurement by the Piezo RxD pedometer, Polar Stride Sensor Bluetooth Smart foot pod, and Garmin Ant+ foot pod at different speeds and slopes and 2- the ability of the Piezo …

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Effects Of Synchronous And Asynchronous Music During High Intensity Training On Obesity And Metabolic Health In Singapore Women, Dd Salle, Ms Aman, Mn Hashim, Fy Loo, T Tran Nov 2019

Effects Of Synchronous And Asynchronous Music During High Intensity Training On Obesity And Metabolic Health In Singapore Women, Dd Salle, Ms Aman, Mn Hashim, Fy Loo, T Tran

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 1254-1264, 2019. Evidence suggests that high intensity exercise aided by musicrenders positive results in health related fitness components. However, less is known about the influence synchronous and asynchronous music may have on outcomes in overweight and obese women.A twelve-week, randomized-controlled trial was conducted using premenopausal overweight/obese (BMI > 24.9 kg/m2) adult Singapore women (n = 92) divided into three groups (exercise with synchronous, asynchronous, and no music, respectively). Pre-post clinical examinations, anthropometric, and fitness evaluations were conducted. Statistical analyses revealed that physical activity was effective in all groups with music or non-music. Body …

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Starting The Resistance-Training Session With Lower-Body Exercises Provides Lower Session Perceived Exertion Without Altering The Training Volume In Older Women, João Pedro Nunes, Alexandre Jehan Marcori, Crisieli Maria Tomeleri, Matheus Amarante Nascimento, Jerry L. Mayhew, Alex Silva Ribeiro, Edilson Serpeloni Cyrino Oct 2019

Starting The Resistance-Training Session With Lower-Body Exercises Provides Lower Session Perceived Exertion Without Altering The Training Volume In Older Women, João Pedro Nunes, Alexandre Jehan Marcori, Crisieli Maria Tomeleri, Matheus Amarante Nascimento, Jerry L. Mayhew, Alex Silva Ribeiro, Edilson Serpeloni Cyrino

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 1187-1197, 2019.The aim of this study was to compare the acute effects of four resistance-training (RT) exercise orders on rate of perceived exertion (RPE) and RT variables with exercise load properly adjusted according to its position within the sequence in older women. That is, the load was adjusted so that it was possible that the sets were performed within the repetition-zone established. Fifteen trained older women (67.4 ± 5.3 years) participated in a crossover-design, combining single-joint (SJ) and multi-joint (MJ) exercises for upper- (UB) and lower-body (LB) in the following exercise orders: SEQA …

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