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Full-Text Articles in Life Sciences
Hot Training Conditions Inhibit Adequate Ad Libitum Recovery Fluid Intake Of Runners, Brett A. Davis, Eric O'Neal, Samantha Johnson, Richard S. Farley
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 …
Effects Of Caffeine On Tennis Serve Accuracy, Benjamin Pj Poire, Lauren Killen, Matt Green, Eric O'Neal, Lee Renfroe
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 …
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
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 …
Effects Of A Competitive Season On Autonomic Heart Rate Modulation In Field Soccer Athletes, João Marcelo De Queiroz Miranda, Adriano Maia, Roberta L. Rica, Welmo A. Barbosa, Alana De Sena Souza, Marco Bergamin, Vitor E. Valenti, Julien S. Baker, Guilherme L. Shimojo, Jonato Prestes, Whitley J. Stone, Danilo Sales Bocalini, Rogério Brandão Wichi
Effects Of A Competitive Season On Autonomic Heart Rate Modulation In Field Soccer Athletes, João Marcelo De Queiroz Miranda, Adriano Maia, Roberta L. Rica, Welmo A. Barbosa, Alana De Sena Souza, Marco Bergamin, Vitor E. Valenti, Julien S. Baker, Guilherme L. Shimojo, Jonato Prestes, Whitley J. Stone, Danilo Sales Bocalini, Rogério Brandão Wichi
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1198-1205, 2019. The physical demands of soccer combined with the rigor of the competitive season may have a substantial impact on autonomic modulation in field soccer athletes. The number of sudden death cases associated with soccer may be related to the physical training required to maintain performance and fitness, minimal time for recovery, and recurrent game participation. It is possible to identify individuals at risk of cardiovascular events by measuring heart rate variability (HRV), which is an indirect method for assessing autonomic activity. Therefore, the objective of this study was to analyze HRV before …
Daily Total Energy Expenditure Associated With Playing Pokémon Go, Tyler Langford, Veronika Pribyslavska, Vaughn W. Barry
Daily Total Energy Expenditure Associated With Playing Pokémon Go, Tyler Langford, Veronika Pribyslavska, Vaughn W. Barry
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 1179-1186, 2019. Approximately 51% of American adults do not meet weekly physical activity (PA) recommendations. Pokémon Go (PoGo) popularity and its required PA participation shows potential for improved daily PA. The primary aim of this study was to objectively measure daily energy expenditure (DEE) of PoGo players and identify whether DEE differs from non-players. A secondary aim was to assess potential motivational factors to play PoGo. Local Middle Tennessee participants (n= 25) were identified as "players" or "non-players" based on current PoGo usage from August till November 2016. Participants donned a SenseWear …
Effects Of A Game-Centered Health Promotion Program On Fall Risk, Health Knowledge, And Quality Of Life In Community-Dwelling Older Adults, Alyssa K. Dispennette, Mark A. Schafer, Matthew Shake, Brian Clark, Steven Vanover, Gretchen B. Macy, K. Jason Crandall
Effects Of A Game-Centered Health Promotion Program On Fall Risk, Health Knowledge, And Quality Of Life In Community-Dwelling Older Adults, Alyssa K. Dispennette, Mark A. Schafer, Matthew Shake, Brian Clark, Steven Vanover, Gretchen B. Macy, K. Jason Crandall
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1149-1160, 2019. Quality of life (QOL) is an important aspect of overall well-being in older adults and can be improved with increased physical activity. One in four older adults experiences a fall each year, making it necessary to focus public health interventions towards decreasing fall risk and improving QOL in older adults. The purpose of this study was to determine the effects of the health promotion program, Bingocize®, on QOL and fall risk in community-dwelling older adults (n = 36; mean age 73.63 ± 6.97). Participants were clustered and randomly assigned …
Does Fatigue Impact Static And Dynamic Balance Variables In Athletes With Previously Ankle Injury?, Michelle Lacey, Bernard Donne
Does Fatigue Impact Static And Dynamic Balance Variables In Athletes With Previously Ankle Injury?, Michelle Lacey, Bernard Donne
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 1121-1137, 2019. Ankle injury, resulting in deficits in static and dynamic balance, can result in significant time loss to sport, affect daily activities and potentially place athletes at greater risk of re-injury. In order to identify athletes at risk of ankle injury accurate and reliable balance assessment tools are required. The purpose of the current study was to quantify reliability of static and dynamic balance variables in currently healthy, previously injured, athletes (n = 19) and assess the impact of an intense intermittent zig-zag running protocol to volitional exhaustion, rated by RPE, on balance …
Early Timeline Of Lean Tissue Mass And Strength Improvements In Trained Men Following A High Volume/Frequency Resistance Training Program, Michael H. Thomas, Robert H. Ferguson, Steve P. Burns, Natalie B. Allen
Early Timeline Of Lean Tissue Mass And Strength Improvements In Trained Men Following A High Volume/Frequency Resistance Training Program, Michael H. Thomas, Robert H. Ferguson, Steve P. Burns, Natalie B. Allen
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1094-1109, 2019. The purpose of this study was to determine the early timeline effect of a systemic high volume/frequency resistance training intervention on lean tissue mass and strength in trained men. Twenty-two healthy resistance trained men, age (32.29 ± 9.75 years), training age (9.40 ± 6.18 years) were placed on a 4-week resistance training (RT) intervention with lean mass and strength assessed pre, mid, and post intervention. RT consisted of 6 exercises: flat smith chest press, pull ups, triceps pushdowns, dumbbell bicep curls, leg press or walking lunges, and standing calf raises, completing 5 …
Can Blood Flow Restricted Exercise Improve Ham:Quad Ratios Better Than Traditional Training?, Michael G. Bemben, Kirsten M. Mitcheltree, Rebecca D. Larson, David Ross, Charity Cavazos, Benjamin Friedlander, Debra A. Bemben
Can Blood Flow Restricted Exercise Improve Ham:Quad Ratios Better Than Traditional Training?, Michael G. Bemben, Kirsten M. Mitcheltree, Rebecca D. Larson, David Ross, Charity Cavazos, Benjamin Friedlander, Debra A. Bemben
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1080-1093, 2019. Muscular deficiencies between the quadriceps and hamstrings are prevalent among women and often lead to knee injury and ACL tears. The purpose of this study was to examine whether short term resistance training with or without blood flow restriction (BFR) could improve hamstring:quadricep ratios (H:Q) and reduce the chance for injury. Women (n = 14; 18-25 yrs) were randomly assigned to either a traditional resistance training (RT: n = 8) or BFR resistance training in combination with traditional RT (RT+BFR: n = 6) group. Subjects trained 3 days/week for 6 weeks. …
The Relationship Between Lower-Body Strength And Power, And Load Carriage Tasks: A Critical Review, Robin Marc Orr, J. Jay Dawes, Robert G. Lockie, Daniel Godeassi
The Relationship Between Lower-Body Strength And Power, And Load Carriage Tasks: A Critical Review, Robin Marc Orr, J. Jay Dawes, Robert G. Lockie, Daniel Godeassi
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 1001-1022, 2019. The purpose of this review was to critically appraise articles that have investigated the association between lower-body strength and power during load carriage in tactical personnel. Literature databases were searched with specific search terms, yielding 921 articles. Additional studies found from article reference lists were also assessed for eligibility. Out of these articles, 16 met the inclusion/exclusion criteria and were critically appraised. Articles were assessed by the Downs and Black evaluation tool with inter-rater agreement determined by Cohen’s kappa and final results graded according to the Kennelly quality grading system. Of the …
Effectiveness Of Studying When Coupled With Exercise-Induced Arousal, Hannah A. Zabriskie, Edward M. Heath
Effectiveness Of Studying When Coupled With Exercise-Induced Arousal, Hannah A. Zabriskie, Edward M. Heath
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 979-988, 2019. The basis of learning is knowledge of discrete information such as terms and definitions that can be developed through memorization. A strong knowledge base is something students strive to develop through self-directed study. Little research has investigated the role of simultaneous exercise and memorization on recall ability with a delay in recall of at least 24 hrs. The purpose of this study was to evaluate the effect of an exercise bout on memory by requiring participants to recall words 24 hrs after exposure to three different interventions: memorization while cycling, memorization after …
Sensitive And Reliable Measures Of Driver Performance In Simulated Motor-Racing, Christopher Irwin, Jamie Mollica, Ben Desbrow
Sensitive And Reliable Measures Of Driver Performance In Simulated Motor-Racing, Christopher Irwin, Jamie Mollica, Ben Desbrow
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 971-978, 2019. Motor racing is a physically and mentally demanding sport, associated with a high degree of risk for drivers. Hence, driving simulation provides a safe alternative to explore the impact acute physiological perturbations (e.g. heat stress or dehydration) on a driver’s performance. This study aimed to determine sensitive and reliable simulated driving performance parameters that could be employed in future driving performance studies. Thirty-six healthy males (age: 26.5 ± 8.1 y, body mass: 75.6 ± 12.2 kg, mean ± SD) completed a single experimental trial involving four simulated motor-racing drives (2 initial drives …
Breathing Limited Air Situational Training Masks (Blastmask) Versus Self-Contained Breathing Apparatus (Scba) For Firefighters: A Pilot Study, Thomas Andre, Silvio Valladao, Shana Walsh, Derek Reisbeck
Breathing Limited Air Situational Training Masks (Blastmask) Versus Self-Contained Breathing Apparatus (Scba) For Firefighters: A Pilot Study, Thomas Andre, Silvio Valladao, Shana Walsh, Derek Reisbeck
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 941-949, 2019. Despite maintaining high levels of fitness, firefighters’ performance may be negatively impacted by the use of a Self-Contained Breathing Apparatus (SCBA), an essential piece of safety equipment worn during structural firefighting. Routine training with SCBAs can be cost-prohibitive and inefficient. The Breathing Limited Air Situational Training Mask (BlastMask) was developed as a training aid used to simulate the SCBA. The purpose of this study was to examine physiological and perceptual responses elicited by firefighters during steady state exercise when using the BlastMask compared to the SCBA. Current staff male firefighters (n …
Effects Of Home-Based Exercise Training Systems, Combined With Diet, On Cardiometabolic Health, Christian K. Roberts, David E. Segovia, Eli Lankford
Effects Of Home-Based Exercise Training Systems, Combined With Diet, On Cardiometabolic Health, Christian K. Roberts, David E. Segovia, Eli Lankford
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 871-885, 2019. The efficacy of exercise training systems designed to be used in the home on cardiometabolic outcomes remains largely unknown. This investigation included two studies. Study 1 tested the effects a multi-exercise pulley system(NordicTrack Fusion CST with video trainer) and Study 2 an incline trainer (NordicTrack X22i with video trainer), both combined with daily food provision, for 12-weeks on indices of cardiometabolic health. Study 1 enrolled 27 adults (11 men, 16 women, 33.8±4.4 years of age) and Study 2 enrolled 29 adults (11 men, 18 women, 40.8±12.5 years of age). Pre- and post-intervention …
Self-Myofascial Release Does Not Improve Back Squat Range Of Motion, Alter Muscle Activation, Or Aid In Perceived Recovery 24-Hours Following Lower Body Resistance Training., Zach M. Beier, Ian L. Earp, John A. Korak
Self-Myofascial Release Does Not Improve Back Squat Range Of Motion, Alter Muscle Activation, Or Aid In Perceived Recovery 24-Hours Following Lower Body Resistance Training., Zach M. Beier, Ian L. Earp, John A. Korak
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 839-846, 2019. Self-myofascial release (SMR) is an alternative therapy believed to increase myofascial mobility by exciting muscles and increasing blood flow to the treated area. Previous literature suggest SMR produces conflicting results on performance, muscle activation, range of motion (ROM), and recovery. This study was designed to utilize SMR on a fatigued individual prior to exercise and measure its’ effects on muscle activation, ROM, and perceived recovery compared to a dynamic warm-up session. The findings could help develop an efficient warm-up protocol for resistance-trained individuals. Electromyography (EMG) measured muscle activation of the rectus femoris …
Eeg Responses To Incremental Self-Paced Cycling Exercise In Young And Middle Aged Adults, Rachel M. Maceri, Nicholas P. Cherup, Nicholas J. Hanson
Eeg Responses To Incremental Self-Paced Cycling Exercise In Young And Middle Aged Adults, Rachel M. Maceri, Nicholas P. Cherup, Nicholas J. Hanson
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 800-810, 2019. Electroencephalography (EEG) is a non-invasive method of measuring electrical activity of the brain during exercise. There is conflicting evidence as to how neural activity changes in relation to incremental exercise testing (IET), or if age has any effect. The purpose of this study was to determine 1) how brain activity changes throughout an IET, and 2) if age affects this response. 13 younger (age: 24.9 ± 2.6 years, 9 males) and 10 middle-aged (49.1 ± 3.2 years, 3 males) recreationally active individuals volunteered for this study. A self-paced, perceptually regulated IET was …
Comparison Of Steady State Exercise And Interval Training On Pitching Performance In Collegiate Baseball Players: A Pilot Study, Robert Rabena, Ryan Moran
Comparison Of Steady State Exercise And Interval Training On Pitching Performance In Collegiate Baseball Players: A Pilot Study, Robert Rabena, Ryan Moran
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 726-734, 2019. Traditionally, a baseball pitcher’s in-season conditioning between starts has consisted of steady state exercise. Little to no research exists on the effects of interval training on pitching performance. The purpose of this study was to examine the difference between steady state exercise (SSE) and interval training (IT) on exercise and pitching performance in collegiate baseball pitchers following an 11-week program. A total of 13 collegiate baseball pitchers were randomly assigned to either the SSE or IT group and tested pre- and post-season on a one-mile run, 30-m sprint, pitching velocity, walks plus …
Power Output In Rugby Players Comparing Unilateral And Bilateral Isotonic Upper-Body Resistance Exercise, Evan Nakachi, James D. George, Allen Parcell, Dennis Eggett, Brent Feland
Power Output In Rugby Players Comparing Unilateral And Bilateral Isotonic Upper-Body Resistance Exercise, Evan Nakachi, James D. George, Allen Parcell, Dennis Eggett, Brent Feland
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 691-700, 2019. Bilateral deficit (BLD) occurs when the internal muscular force generated during simultaneous bilateral limb exercise is lower than the sum of internal muscular forces generated during separate right limb and left limb unilateral exercise, while attempting to oppose the same total external load. Numerous BLD studies have evaluated force output differences during exercise; however, no study has determined whether BLD exists when generating power during isotonic upper-body exercise. To address this, we measured and compared power output across unilateral and bilateral isotonic upper-body exercise. Seventeen college male rugby players (age = 21.8 …
The Effect Of Exercise Order In Circuit Training On Muscular Strength And Functional Fitness In Older Women, Diogo Correia Cardozo, Belmiro Freitas De Salles, Pietro Mannarino, Ana Paula Sena Vasconcelos, Humberto Miranda, Jeffrey M. Willardson, Roberto Simão
The Effect Of Exercise Order In Circuit Training On Muscular Strength And Functional Fitness In Older Women, Diogo Correia Cardozo, Belmiro Freitas De Salles, Pietro Mannarino, Ana Paula Sena Vasconcelos, Humberto Miranda, Jeffrey M. Willardson, Roberto Simão
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 657-665, 2019.The purpose of this study was to analyze the effect of different orders of exercises in circuit training on strength and functional fitness in older women over a 12-week period. After 10 repetition maximum (10-RM) and functional fitness baseline testing, thirty older women were randomly assigned into two groups. The exercise order for Group 1 was leg press, wide-grip lat pulldown, knee extension, pec deck fly, plantar flexion and triceps extension; Group 2 performed the same exercises, but in the opposite order: triceps extension, plantar flexion, pec deck fly, knee extension, wide-grip …
Attitudes And Beliefs Regarding Pregnancy Physical Activity In A Non-Pregnant Population, Mallory R. Marshall, John K. Petrella
Attitudes And Beliefs Regarding Pregnancy Physical Activity In A Non-Pregnant Population, Mallory R. Marshall, John K. Petrella
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 636-645, 2019. The purpose of this study was to examine the attitudes and beliefs about pregnancy physical activity (PA) in non-pregnant individuals. We hypothesized that younger, more educated, females, those who had ever been pregnant (or partner had been pregnant, for males) and physically active individuals would view pregnancy PA more positively than older individuals, those with less education, males, those who had not ever been pregnant (partner had not been pregnant, for males), and those who are inactive, respectively. Participants were non-pregnant adults ages 20+ years who were recruited by word-of-mouth, social media, …
Dorsiflexion Range Of Motion In Copers And Those With Chronic Ankle Instability, Madison M. Vomacka, Melena R. Calhoun, Monica R. Lininger, Jupil Ko
Dorsiflexion Range Of Motion In Copers And Those With Chronic Ankle Instability, Madison M. Vomacka, Melena R. Calhoun, Monica R. Lininger, Jupil Ko
International Journal of Exercise Science
International Journal of Exercise Science 12(1): 614-622, 2019. The Cumberland Ankle Instability Tool (CAIT) is used to classify individuals as ankle sprain copers, or as one suffering from chronic ankle instability (CAI). However, literature examining factors contributing to these classifications on the CAIT is lacking, as the CAIT itself does not offer explanations for specific anthropometric measures that influence a patient’s classification. Therefore, the purpose was to determine if there was a difference between dorsiflexion active range of motion (AROM) between copers, those with CAI, and a healthy control group. Twenty-two individuals with recent ankle sprains were recruited by a …
Effect Of An 8-Week Plyometric Training Program With Raised Forefoot Platforms On Agility And Vertical Jump Performance, Matthieu Pj Voisin, Mikaël Scohier
Effect Of An 8-Week Plyometric Training Program With Raised Forefoot Platforms On Agility And Vertical Jump Performance, Matthieu Pj Voisin, Mikaël Scohier
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 491-504, 2019. Some athletes use solid rubber platforms strapped onto the forefoot during plyometric exercises in order to increase their explosive performance including vertical jump height and agility. The purpose of this study was to compare the effects of a plyometric training program realized with these ‘raised forefoot platforms,’ designed to keep the heels off the ground, to the same program conducted with regular shoes. Forty-nine subjects performed 2 sessions of plyometric training for eight weeks, either with raised forefoot platforms (n=20) or regular shoes (n=29). Countermovement jump (CMJ) height and agility test time …
Caffeine Alters Rpe-Based Intensity Production, Tyler Langford, Eric O'Neal, Eric M. Scudamore, Samantha Johnson, Caitlin Stevenson, Veronika Pribyslavska, Matt Green
Caffeine Alters Rpe-Based Intensity Production, Tyler Langford, Eric O'Neal, Eric M. Scudamore, Samantha Johnson, Caitlin Stevenson, Veronika Pribyslavska, Matt Green
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 412-424, 2019. This study examined effects of caffeine (CAF) on power output (PO) selection and associated physiological responses during cycling at moderate and high intensities prescribed by RPE (0-10 scale). Participants (n = 9) (VO2peak: 55.4 ± 6.32 mL · kg-1 · min-1) cycled for 20 min at RPE4 and 20 min at RPE7 separated by 10 min recovery following caffeine (CAF) (6 mg · kg-1) and placebo (PLA) ingestion. PO, HR, serum lactate [La], VO2, VE, and RER were recorded every 5 min. Session RPE (S-RPE) was recorded following 10 min recovery. Repeated-measures …
Intermittent Pneumatic Compression Boot Use Elevates Blood Lactate During Subsequent Exercise, Richard T. Marcello, Lucas Fortini, Beau Kjerulf Greer
Intermittent Pneumatic Compression Boot Use Elevates Blood Lactate During Subsequent Exercise, Richard T. Marcello, Lucas Fortini, Beau Kjerulf Greer
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 385-392, 2019. The purpose of the present study was to investigate the influence of intermittent pneumatic compression (IPC) boot use between submaximal cycling trials on heart rate (HR) and blood lactate concentrations. Ten healthy participants (9M; 1F) performed two consecutive 60 minute rides at 60% of functional threshold power with a 30 minute rest between rides. The rest period was spent in a supine position using IPC boots (BOOT) or sitting in a similar position without boots (CON). HRs were collected every 15 minutes during cycling rides, and lactate was measured at the 30-minute …
Aerobic Fitness Markers Associated With Post-Paddling Breath Hold Capacity In Competitive Surfers, Cory J. Greever, Kaden K.L. Groseclose, April L. Denny, Danielle C. Jones
Aerobic Fitness Markers Associated With Post-Paddling Breath Hold Capacity In Competitive Surfers, Cory J. Greever, Kaden K.L. Groseclose, April L. Denny, Danielle C. Jones
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 366-373, 2019. Competitive surfing is a growing sport with evolving performance and safety demands. One particular challenge surfers face is the need to endure long breath-holds following bouts of surf paddling. The purpose of this study was to examine the association between aerobic fitness markers, such as VO2peak and ventilatory thresholds, and post-paddling breath-hold capacity in competitive surfers. Eleven male collegiate level competitive surfers completed both a maximal graded exercise test and a simulated post-paddling breath-hold challenge on a modified paddling ergometer. Associations between markers of aerobic fitness and post-paddling breath-hold capacity were …
State Population Influences Athletic Performance Combine Test Scores In High School-Aged American Football Players, Zachary M. Gillen, Marni E. Shoemaker, Brianna D. Mckay, Joel T. Cramer
State Population Influences Athletic Performance Combine Test Scores In High School-Aged American Football Players, Zachary M. Gillen, Marni E. Shoemaker, Brianna D. Mckay, Joel T. Cramer
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 256-262, 2019. This study compared athletic performance differences among high school American football combine participants originating from states of different population sizes. High school-aged American football players (n=7,214) who had participated in athletic performance combines between March 2015 and January 2016 were included in this analysis. Data included combine date and location, school state of origin, football position, class, height, weight, 10-, 20-, and 40-yd dash times, pro-agility, L-cone drill, vertical jump, broad jump, and power push-up. Participants were separated into high- (state population>10,000,000; HIGH; n=2,804), mid- (state population=5,000,000-9,999,999; MID; n=2,911), or low-population …
Physiological And Perceptual Responses To High-Intensity Circuit Training Using Body Weight Resistance Exercise: Are There Sex-Specific Differences?, Bethanne A. Clayton, Rachel A. Tinius, Lee J. Winchester, Brenna R. Menke, Michelle C. Reece, Jill Maples
Physiological And Perceptual Responses To High-Intensity Circuit Training Using Body Weight Resistance Exercise: Are There Sex-Specific Differences?, Bethanne A. Clayton, Rachel A. Tinius, Lee J. Winchester, Brenna R. Menke, Michelle C. Reece, Jill Maples
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 245-255, 2019. High-intensity circuit training (HICT) using body weight as resistance is a popular fitness trend and an ideal exercise modality in terms of functionality and economy. Given the popularity of HICT, evidence suggests that sex may elicit unique physiological and perceptual responses to this mode of exercise and there is a need for further work in this area. The purpose of this study was to examine physiological and perceptual responses of females and males to HICT using body weight resistance exercise. Forty-five participants (23 females and 22 males) completed baseline testing and a …
Beyond Peak, A Simple Approach To Assess Rowing Power And The Impact Of Training: A Technical Report, Julian D. Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O’Neill, Stephen Ives
Beyond Peak, A Simple Approach To Assess Rowing Power And The Impact Of Training: A Technical Report, Julian D. Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O’Neill, Stephen Ives
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 233-244, 2019. Recently, rowing power has been shown to be a key determinant of rowing performance. However, rowing power testing can vary greatly, and is not standardized. Here we sought to evaluate rowing power over a 15 sec rowing test utilizing a stroke-by-stroke analysis before and after 4 weeks of training in youth rowers. Methods: 18 adolescent male rowers were assigned to complete either 4 weeks of plyometric training (PLYO, n=9), or steady state cycling (Control, n=9), for 30 minutes before on water training three days/week. Each group was matched for training volume. Peak …
Agreement Among Six Methods Of Predicting The Anaerobic Lactate Threshold In Elite Cross-Country Skiers, Sean L. Carter, Ian Newhouse
Agreement Among Six Methods Of Predicting The Anaerobic Lactate Threshold In Elite Cross-Country Skiers, Sean L. Carter, Ian Newhouse
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 155-172, 2019. The anaerobic lactate threshold (LTan) is used to prescribe training intensity and measure endurance capacity. The LTan identifies a critical point where small increases in workload result in large increases in blood lactate concentration. LTan is usually predicted through visual inspection of a blood lactate (bLa) vs workload plot. Numerous other methods for predicting LTan exist, and the literature lacks a consensus regarding validity of prediction methods. The purpose of this study was to assess the agreement among visual inspection (VI), maximum distance (Dmax) and modified maximum distance (Dmod) from the lactate …
Profiling The Occupational Tasks And Physical Conditioning Of Specialist Police, Shane Irving, Robin (Rob) Marc Orr, Rodney Pope
Profiling The Occupational Tasks And Physical Conditioning Of Specialist Police, Shane Irving, Robin (Rob) Marc Orr, Rodney Pope
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 173-186, 2019. Specialist police are required to perform high risk and dangerous tasks that are physically demanding. The aims of this study were to establish the natures and contexts of tasks performed by specialist police officers and to explore the physical fitness regimes they undertake to maintain their operational fitness for these tasks. A survey approach was employed and members of operational units of the Australian and New Zealand Police Tactical Groups (PTG) participated in the survey. A total of nine (100%) PTG units cooperated, with 132 respondents (31% of the PTG operational members) …