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Full-Text Articles in Life Sciences
Feasibility, Acceptability, And Preliminary Efficacy Of A Recess-Based Fitness Intervention In Elementary School Children, Christine W. St. Laurent, Sarah Burkart, Sofiya Alhassan
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 …
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
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 …
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
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 …
Effect Of Capris In Validity Of Air-Displacement Plethysmography In Female College Students, Sydney Haynes, Joshua Miller, Kyle Susa
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 …
Validation Of Practical Tools To Identify Walking Cadence To Reach Moderate Intensity, Spencer F.C. Smith, Matthew A. Short, Martin Sénéchal, Danielle R. Bouchard
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 …
Core Stability And Athletic Performance In Male And Female Lacrosse Players, Fallon Shea Greene, Erin E. Perryman, Christopher J. Cleary, Summer B. Cook
Core Stability And Athletic Performance In Male And Female Lacrosse Players, Fallon Shea Greene, Erin E. Perryman, Christopher J. Cleary, Summer B. Cook
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1138-1148, 2019. This study determined the relationship of core stability with power production, agility, and dynamic stability of collegiate lacrosse players and whether core stability is more evident in these performance variables in either males or females. Twenty male and female collegiate lacrosse players (20.3 ± 1.0 years, 173.2 ± 11.8 cm, 72.6 ± 13.0 kg) performed the pro-agility shuttle, the countermovement jump (CMJ), the Star Excursion Balance Test (SEBT), and prone, right lateral, and left lateral planks on two sessions- familiarization and testing. Independent T-tests were used to compare sexes. SPSS 24.0 was …
Assessing Physical Activity Levels And Motivation In An Urban Midwest Private Liberal Arts College, Michael A. Kantor, Ana Freire Ribeiro
Assessing Physical Activity Levels And Motivation In An Urban Midwest Private Liberal Arts College, Michael A. Kantor, Ana Freire Ribeiro
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1169-1178, 2019. Recent research indicates that over one third of U.S. adults are obese and 51.6% of adults meet the recommended 2008 physical activity (PA) guidelines. In this context, understanding what makes people engage or not in PA becomes of key importance when attempting to prevent obesity and its related comorbidities. The objective is to assess the PA and motivation levels of students, faculty, and staff in an urban Midwest Private College. Participants completed an anonymous online survey (n=119) on PA and Exercise Motivation. Fitness levels were tested and obtained from wellness assessments (n=74). …
Comparison Of Body Composition Prediction Equations With Air Displacement Plethysmography In Overweight And Obese Caucasian Males., Carley A. Shannon, Justin R. Brown, Andrew T. Del Pozzi
Comparison Of Body Composition Prediction Equations With Air Displacement Plethysmography In Overweight And Obese Caucasian Males., Carley A. Shannon, Justin R. Brown, Andrew T. Del Pozzi
International Journal of Exercise Science
Body mass index (BMI) has been used for years by clinicians to approximate total body fat. However, the body adiposity index (BAI), body adiposity index from the FELS longitudinal study (BAIFELS), and an equation developed by Deurenberg et al. (BFD) were created recently to offset BMI’s limitations and accurately estimate percent body fat (%BF). The prevalence of overweight and obese Caucasian men is increasing in the United States; currently, there is no established way to quickly and accurately predict their %BF. Purpose: To compare the existing %BF equations (BAI, BAIFELS, and BFD) to measured %BF via air displacement plethysmography (ADP) …
Prevalence Of Disordered Eating And Muscle Dysmorphia In College Students By Predominant Exercise Type, Taylor E. Lechner, Emily M. Gill, Madeleine J. Drees, Carrie M. Hamady, Mary-Jon Ludy
Prevalence Of Disordered Eating And Muscle Dysmorphia In College Students By Predominant Exercise Type, Taylor E. Lechner, Emily M. Gill, Madeleine J. Drees, Carrie M. Hamady, Mary-Jon Ludy
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1001-1012, 2019. Many young adults experience distorted body image and decreased body satisfaction. To attain more “ideal” bodies, negative alterations in eating and/or exercise habits are common. This study’s objective was to compare disordered eating and muscle dysmorphia in undergraduates who participate in aerobic-, anaerobic-, or flexibility-predominant exercise; mixed exercise; or no exercise. One hundred twelve undergraduate students (age 21.2 ± 4.8 years; BMI 25.0 ± 4.6 kg/m2) were recruited from the student union and recreation center. The Eating Attitudes Test (EAT-26), Muscle Dysmorphic Disorder Inventory (MDDI), and demographic/exercise questions were administered …
Lower-Body Power And Its Relationship With Body Drag Velocity In Law Enforcement Recruits, Matthew R. Moreno, Joseph M. Dulla, J. Jay Dawes, Robin (Rob) Marc Orr, Karly Cesario, Robert G. Lockie
Lower-Body Power And Its Relationship With Body Drag Velocity In Law Enforcement Recruits, Matthew R. Moreno, Joseph M. Dulla, J. Jay Dawes, Robin (Rob) Marc Orr, Karly Cesario, Robert G. Lockie
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 847-858, 2019. The body drag (BD) is used as a test to measure a law enforcement officer (LEO) recruit’s capability to rescue an individual. However, the physical characteristics associated with faster BD performance have not been identified. It could be expected that lower- body power, often measured via jump performance, could positively relate to BD performance. This study investigated the relationship between the vertical jump (VJ), peak anaerobic power measured in watts (PAPw), power-to-body mass ratio (P:BM), standing broad jump (SBJ), and relative SBJ, with BD velocity in LEO recruits. Retrospective analysis of data …
Comparison Of The Effects Of Linear And Non-Linear Resistance Training Periodization On Morphofunctional Capacity Of Subjects With Different Fitness Levels: A Systematic Review, Rafael M. Pitta, Carla G. S. Pinto Montenegro, Roberta L. Rica, Danilo Sales Bocalini, Ramires A. Tibana, Jonato Prestes, Whitley J. Stone, Aylton J. Figueira Jr.
Comparison Of The Effects Of Linear And Non-Linear Resistance Training Periodization On Morphofunctional Capacity Of Subjects With Different Fitness Levels: A Systematic Review, Rafael M. Pitta, Carla G. S. Pinto Montenegro, Roberta L. Rica, Danilo Sales Bocalini, Ramires A. Tibana, Jonato Prestes, Whitley J. Stone, Aylton J. Figueira Jr.
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 666-690, 2019. Resistance training (RT) is recognized as an efficient method to improve muscle strength, power, hypertrophy; all are fundamental components of functional health and quality of life. Variables of RT such as volume, intensity, density, rest interval, duration, exercise order and selection, training frequency, and periodization models (i.e. linear periodization (LP), reverse linear periodization (RLP), block periodization (BP), and nonlinear periodization (NLP): undulating periodization (UP) and weekly undulating periodization (WUP)) are manipulated to potentiate musculoskeletal adaptations. The aim of the present study was to conduct a systematic review of studies comparing different periodization …
Effects Of Personal Body Armor On Functional Movement Capability In Healthy Adults, Colin D. Tomes, Matthew David Lewis
Effects Of Personal Body Armor On Functional Movement Capability In Healthy Adults, Colin D. Tomes, Matthew David Lewis
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 536-546, 2019. The Functional Movement Screen (FMS) is a tool used to assess fundamental movement patterns and has been utilized to determine movement readiness of tactical athletes. However, tactical athletes rarely perform tasks without load carriage, and limited research evaluating loaded tactical personnel via the FMS has been conducted. Therefore, the primary aim of this study was to determine if ballistic vest wear results in movement deficits as evaluated by the FMS. A convenience sample of college students (n = 31) completed test sessions in loaded and unloaded conditions. Subjects completed each FMS …
Validity And Reliability Of The Polar A300'S Fitness Test Feature To Predict Vo2max, Kasie D. Cooper, Alex B. Shafer
Validity And Reliability Of The Polar A300'S Fitness Test Feature To Predict Vo2max, Kasie D. Cooper, Alex B. Shafer
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 393-401, 2019. The Polar A300 fitness watch includes a feature termed the 5-minute fitness test. This feature claims to estimate maximal oxygen consumption (VO2max) in healthy adults. The purpose of this study was to assess the validity and reliability of the Polar A300 “Fitness Test” VO2max estimation feature. Nineteen recreationally active young adult males (n=9) and females (n=10) completed a Bruce protocol treadmill protocol to assess VO2max, followed by two separate 5-minute Polar Fitness Test (VO2max estimation) trials. A Pearson’s r test was used to determine the relationship between VO2max from the Bruce Test …
Evaluation Of Earbud And Wristwatch Heart Rate Monitors During Aerobic And Resistance Training, Jennifer A. Bunn, Elizabeth K. Wells, John P. Manor, Michael J. Webster
Evaluation Of Earbud And Wristwatch Heart Rate Monitors During Aerobic And Resistance Training, Jennifer A. Bunn, Elizabeth K. Wells, John P. Manor, Michael J. Webster
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 374-384, 2019. Assessment of biometrics during exercise is evolving to create devices that are “all-inclusive", in an effort to decrease the number of devices required during exercise while providing comprehensive and accurate biometric measures. The purpose of this study was to determine the accuracy of two optical heart rate monitors, the Jabra earbud and the Mio Alpha wristwatch, during aerobic and anaerobic exercise. Twenty-two recreationally active participants (25.4 ± 6.9 years, 171 ± 11 cm, 73.9 ± 3.1 kg, and 25.2 ± 9.2% body fat) completed this study. Participants completed 30 minutes of treadmill …
Critical Power Concept: Males Vs. Females And The Impact Of Muscle Fiber Composition, Michael A. Kantor, Jessica Albers, Katelyn Weed, Zachary Erickson
Critical Power Concept: Males Vs. Females And The Impact Of Muscle Fiber Composition, Michael A. Kantor, Jessica Albers, Katelyn Weed, Zachary Erickson
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 277-286, 2019. CP describes the highest metabolic rate resulting in complete oxidative energy provision (steady state). Between the heavy and severe domain of exercise, CP will be surpassed, and the finite work capacity known as W' will be used up. The purpose of the study is to test CP and W’ and its relationship in males and females, while assessing type I and II muscle fiber distribution in the leg. A 3 MT and isokinetic leg dynamometer muscle fiber typing protocol of 25 consecutive leg extensions were completed. W' for the sample (n …
A Validation Study Of A Noninvasive Lactate Threshold Device, Rebecca M. Mcmorries, Dustin P. Joubert, Eric J. Jones, Mark D. Faries
A Validation Study Of A Noninvasive Lactate Threshold Device, Rebecca M. Mcmorries, Dustin P. Joubert, Eric J. Jones, Mark D. Faries
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 221-232, 2019. The lactate threshold is considered a key marker of endurance exercise performance and identification of this threshold is important in writing an exercise training program. Unfortunately, assessment of the lactate threshold has traditionally required venous or capillary blood samples and a specialized meter to assess blood lactate concentrations. Recently, a consumer grade, non-invasive device was developed to determine muscle oxygenation and estimate the lactate threshold. Purpose: The aim of this study was to assess the validity of a noninvasive lactate threshold device (NID) to determine lactate threshold heart rate (LTHR). Methods: Twenty-one …
Comparison Of Systolic Blood Pressure Measurements By Auscultation And Visual Manometer Needle Jump, Samuel A. Trigg, Dalan Abreu, Brenan Bitton-Foronda, Francesca C. Foley, Ann L. Gibson
Comparison Of Systolic Blood Pressure Measurements By Auscultation And Visual Manometer Needle Jump, Samuel A. Trigg, Dalan Abreu, Brenan Bitton-Foronda, Francesca C. Foley, Ann L. Gibson
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 214-220, 2019. Purpose: This study was designed to investigate differences in systolic blood pressure measurements as obtained through auscultation and observation of the visual jump on the manometer. Methods: Men (n = 21; 26.9 ± 7.4 yrs) and women (n = 22; 29.3 ± 13.9 yrs) volunteered to have resting systolic blood pressure (SBP) assessments. During the same cardiac inflation-deflation cycle of traditional sphygmomanometry, the initial visual jump of the manometer needle and first Korotkoff sound heard were recorded. Duplicate assessments were made in each arm with 30 sec between intra-arm trials. Results: Paired …
Heart Rate Acquisition And Threshold-Based Training Increases Oxygen Uptake At Metabolic Threshold In Triathletes: A Pilot Study, Eric V. Neufeld, Jeremy Wadowski, David M. Boland, Brett A. Dolezal, Christopher B. Cooper
Heart Rate Acquisition And Threshold-Based Training Increases Oxygen Uptake At Metabolic Threshold In Triathletes: A Pilot Study, Eric V. Neufeld, Jeremy Wadowski, David M. Boland, Brett A. Dolezal, Christopher B. Cooper
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 144-154, 2019. Exercise intensity is a critical component of the exercise prescription model. However, current research employing various non-specific exercise intensity protocols have reported wide variability in maximum oxygen uptake (VO2max) improvement after training, suggesting a present lack of consensus regarding optimal heart rate (fC) training zones for maximal athletic performance. This study examined the relationship between percentage of time (%time) spent training between the metabolic (VO2θ) and ventilatory thresholds (VEθ), and the resultant change in markers of aerobic performance. Thirteen (6 males) collegiate club-level triathletes …
Value Of Wellness Ratings And Countermovement Jumping Velocity To Monitor Performance, Michael T. Brasch, Kevin L. Neeld, Kristen F. Konkol, Robert W. Pettitt
Value Of Wellness Ratings And Countermovement Jumping Velocity To Monitor Performance, Michael T. Brasch, Kevin L. Neeld, Kristen F. Konkol, Robert W. Pettitt
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 88-99, 2019.This study examined the relationship between subjective ratings of overall wellness and neuromuscular performance throughout a 6-week intensive offseason strength and conditioning program. Thirty experienced NCAA Division II baseball players completed all phases of the program. A comprehensive wellness rating and 5 countermovement jumps (CMJ5) were measured and averaged for 4 phases of training. Pre- and post-testing measures of strength and speed also were evaluated. Internal consistency of the wellness rating for each phase ranged α = 0.77-0.92, and CMJ5 velocities had decent consistency (ICCα= 0.88, TE = 0.19 m·s …