Somatosensory Perception Of Running Shoe Mass May Be Influenced By Extended Wearing Time Or Inclusion Of A Personal Reference Shoe, Depending On Testing Method,
2020
Drake University
Somatosensory Perception Of Running Shoe Mass May Be Influenced By Extended Wearing Time Or Inclusion Of A Personal Reference Shoe, Depending On Testing Method, James G. Saxton, Benjamin R. Mardis, Christopher L. Kliethermes, David S. Senchina
International Journal of Exercise Science
International Journal of Exercise Science 13(6): 342-357, 2020. Consumers may purchase running shoes on the basis of their masses, yet little is known about shoe mass perceptual abilities. In this multi-part experiment, four groups of twenty-five young adult males (total n= 100) were challenged to gauge the relative masses of five unfamiliar running shoes. The four groups differed by the length of time they were given to wear the shoes (up to 1 minute versus 5 minutes) and whether or not they were able to use their own personal running shoes as a reference. After wearing each individual pair …
Centesimal Age And Relative Age Effect In Elite Futsal Players,
2020
Singularidades Institute, São Paulo, Brazil
Centesimal Age And Relative Age Effect In Elite Futsal Players, Dayse Dias Da Silva Carraco, Larissa Rafaela Galatti, Marcelo Massa, Irineu Loturco, Cesar Cavinato Cal Abad
International Journal of Exercise Science
International Journal of Exercise Science 13(6): 329-341, 2020. To investigate centesimal age (CA) and relative age effect (RAE) in elite male futsal players their date of birth and court-position were accessed through the official FIFA website. The absolute and relative frequency distributions of player births were quantified by quartiles and semesters. The two-way ANOVA and the Chi-Square analysis were applied to check for possible differences. The results showed a mean CA of 27.76 ± 4.11 years with no differences for both playing positions and competitions. In addition, no significant differences were found between quartiles or between semesters. The results suggest …
Outdoor Time Is Not Associated With Metabolically Healthy Overweight And Obesity Phenotype In Canadian Children Aged 6-14 Years,
2020
University of New Brunswick
Outdoor Time Is Not Associated With Metabolically Healthy Overweight And Obesity Phenotype In Canadian Children Aged 6-14 Years, Brittany Rioux, Neeru Gupta, Danielle Bouchard, James Dunbar, Martin Senechal
International Journal of Exercise Science
International Journal of Exercise Science 13(2): 383-394, 2020. A large proportion of children living with obesity have favorable cardiometabolic profiles despite their adiposity levels, who are referred to as metabolically healthy overweight or obese (MHO). However, the contribution of active outdoor time to the MHO phenotype is unknown. The purposeof this study was to investigate the association between outdoor time and moderate-to-vigorous physical activity (MVPA) with the MHO phenotype. A cross-sectional analysis of overweight/obese children aged 6-14 (n= 386) from the Canadian Health Measures Survey was performed. Outdoor time was self-reported using five questions in relation to …
Heart Rate Responses During Simulated Fire Ground Scenarios Among Full-Time Firefighters,
2020
Oklahoma State University
Heart Rate Responses During Simulated Fire Ground Scenarios Among Full-Time Firefighters, Quincy R. Johnson, Jonathan Goatcher, Cody L. Diehl, Robert G. Lockie, Robin Marc Orr, Brent Alvar, Doug Smith, J. Jay Dawes
International Journal of Exercise Science
International Journal of Exercise Science 13(2): 374-382, 2020. Simulated fire ground scenarios (SFGS) provide firefighters with an opportunity to maintain skills, receive feedback, and optimize performance. Although there is extensive research on heart rate (HR) changes in the firefighter population, few examine the differences between positions. Firefighters are primarily responsible for fire suppression and control (23), officers for emergency operations and organizational management, paramedics for providing on-scene emergency medical care, and drivers are responsible for driving the fire apparatus. Utilizing HR analysis to quantify the physical demands of SFGS among firefighting crews by position. Sixty-seven male (age: 38.97 ± 9.17; …
Limb Occlusion Pressure: A Method To Assess Changes In Systolic Blood Pressure,
2020
University of Mississippi
Limb Occlusion Pressure: A Method To Assess Changes In Systolic Blood Pressure, Zachary W. Bell, Matthew B. Jessee, Kevin T. Mattocks, Samuel L. Buckner, Scott J. Dankel, J Grant Mouser, Takashi Abe, Jeremy P. Loenneke
International Journal of Exercise Science
International Journal of Exercise Science 13(2): 366-373, 2020. Although often used as a surrogate, comparisons between traditional blood pressure measurements and limb occlusion assessed via hand-held Doppler have yet to be completed. Using limb occlusion pressure as a method of assessing systolic pressure is of interest to those studying the acute effects of blood flow restriction, where the removal of the cuff may alter the physiological response. Purpose: We sought to determine how changes in limb occlusion pressure track with changes in traditional assessments of blood pressure. Basic Procedures: Limb occlusion pressure measured by hand-held Doppler and blood pressure measured …
Metabolic Costs Of A 58-Minute Multi-Intensity Exercise Session With And Without Music And Cueing,
2020
California State University, Long Beach
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 …
Pre- And Post-Activity Stretching Practices Of Collegiate Soccer Coaches In The United States,
2020
Ball State University
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 …
The Effect Of Static Stretching, Mini-Band Warm-Ups, Medicine-Ball Warm-Ups, And A Light Jogging Warm-Up On Common Athletic Ability Tests,
2020
Health, Nutrition, and Exercise Sciences Department, North Dakota State University, Fargo, ND, USA
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 …
The Relationship Between Physical Characteristics And Maximal Strength In Men Practicing The Back Squat, The Bench Press And The Deadlift,
2020
Université du Québec à Montréal
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
Accuracy Assessment Of A Gps Device For Maximum Sprint Speed,
2020
Campbell University
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 …
The Acute Effect Of A Single Resistance Training Session On The Glycemic Response Among Women With Hiv/Aids,
2020
State University of Maringá
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 …
Effect Of A Commercially Available Low-Dose Capsaicin Supplement On Knee Extensor Contractile Function,
2020
Georgia Southern University - Armstrong Campus
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 …
Site-Specific Effects Of Swimming On Bone Density In Female Collegiate Swimmers,
2020
University of St. Thomas
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 …
Cupping Therapy Does Not Influence Healthy Adult's Hamstring Range Of Motion Compared To Control Or Sham Conditions,
2020
University of Nevada, Las Vegas
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 …
Commercially Available Capsaicin Supplement Fails To Enhance Time-To-Exhaustion During Cycling,
2020
Georgia Southern University
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 …
Effect Of Jump Direction And External Load On Single-Legged Jump-Landing Biomechanics,
2020
Sanford Health, Fargo, ND, USA
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 …
Injury Surveillance During Competitive Functional Fitness Racing Events,
2020
University of Bath
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 …
Contrast Training Generates Post-Activation Potentiation And Improves Repeated Sprint Ability In Elite Ice Hockey Players,
2020
Université du Québec à Montréal
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 …
Young Adults Performance Of Unipedal Dynamic Balance With Various Footwear Conditions,
2020
Wichita State University
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 …
A Comparison Of Quadriceps-To-Hamstrings Ratios During Isokinetic Testing, Cutting, And Drop Landings In Male Soccer Players,
2020
Loyola Marymount University
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 …
