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Articles 31 - 60 of 126
Full-Text Articles in Physiology
Deaths In Open Water Swimming Races In Brazil From 2009 To 2019, Fabrízio Di Masi, Gabriel Costa E Silva, Danielli Braga De Mello, David Szpilman, Mike Tipton
Deaths In Open Water Swimming Races In Brazil From 2009 To 2019, Fabrízio Di Masi, Gabriel Costa E Silva, Danielli Braga De Mello, David Szpilman, Mike Tipton
International Journal of Exercise Science
International Journal of Exercise Science 15(6): 1295-1305, 2022. Since the inclusion in the Olympic Games (2008), open swimming races have attracted greater media attention and, therefore, have a greater number of practitioners, especially in Brazil, an extremely favorable country for this sport. However, increasing reports of fatal incidents in open water races brought the medical and scientific community to attention. The aim of this study was to review the characteristics of deaths in open waters events in Brazil from 2009 to 2019. The survey was divided into 3 steps: 1) contacting sports-related federations and companies, including swimming and triathlon federations, …
Exploring Predictive Ability Of Fitness Test Data Relative To Fire Academy Graduation In Trainees: Practical Applications For Physical Training, Robert G. Lockie, Robin (Rob) Marc Orr, Fernando Montes, Tomas Ruvalcaba, J. Jay Dawes
Exploring Predictive Ability Of Fitness Test Data Relative To Fire Academy Graduation In Trainees: Practical Applications For Physical Training, Robert G. Lockie, Robin (Rob) Marc Orr, Fernando Montes, Tomas Ruvalcaba, J. Jay Dawes
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1274-1294, 2022. This study investigated the predictive abilities of fitness tests relative to academy graduation in firefighter trainees. Archival fitness test data from 305 trainees were analyzed, including: Illinois agility test (IAT); push-ups; pull-ups; leg tucks; multistage fitness test; 4.54-kg backwards overhead medicine ball throw (BOMBT); 10-repetition maximum deadlift; and a 91.44-m farmers carry with 18-kg kettlebells. Within the department, trainees were allocated points for each test. Trainees were split into graduated (245 males, 16 females) or released (29 males, 15 females) groups. Independent samples t-tests and effect sizes calculated between-group fitness test differences …
Physiological Responses To Speed-Matched Running On Non-Motorized Assault Airrunner Versus Traditional Treadmills In Active Females: A Pilot Study, Noelle Morrow, Kayla Mitchell, Hannah Weighart, Diana Alonzo, Stephen Ives
Physiological Responses To Speed-Matched Running On Non-Motorized Assault Airrunner Versus Traditional Treadmills In Active Females: A Pilot Study, Noelle Morrow, Kayla Mitchell, Hannah Weighart, Diana Alonzo, Stephen Ives
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1262-1273, 2022. Treadmills are utilized as a training tool to improve aerobic fitness, but precise understanding of intensity and the corresponding physiological strain is critical for optimizing exercise prescription and associated adaptations. Running on non-motorized, curved treadmills may result in greater oxygen uptake (VO2), increased heart rate (HR), and increased rating of perceived exertion (RPE) compared to traditional motorized treadmills. The purpose of this study was to investigate the physiological responses on non-motorized versus traditional motorized treadmills during speed-matched running. Participants were 4 college-aged, recreationally active females. HR, VO2, respiratory …
Implementation Of High Intensity Interval Training And Autoregulatory Progressive Resistance Exercise In A Law Enforcement Training Academy, Gabriel J. Martinez, Xin Ma, Stuart A. Best, Benjamin F. Johnson, Mark Abel
Implementation Of High Intensity Interval Training And Autoregulatory Progressive Resistance Exercise In A Law Enforcement Training Academy, Gabriel J. Martinez, Xin Ma, Stuart A. Best, Benjamin F. Johnson, Mark Abel
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1246-1261, 2022. The purpose of this investigation was to assess the feasibility and efficacy of implementing autoregulatory progressive resistance exercise (APRE) and high intensity interval training (HIIT) methodologies to improve physical fitness and occupational physical ability in police cadets. Two law enforcement academy classes were stratified into a standard care academy training cohort (SC; n=32, m=27, f=5) and a high performance cohort (HP; n=31; m=27, f=4) that utilized APRE and HIIT methodologies during a 17-week academy training program. Demographic, internal loading parameters, anthropometric, fitness outcomes (i.e., 1.5-mile run, 1-repetition maximum bench press, sit-up repetitions, …
Application Of Polynomial Regression Model For Joint Stiffness, Youngmin Chun, Craig Mcgowan, Jinah Kim, Joshua P. Bailey
Application Of Polynomial Regression Model For Joint Stiffness, Youngmin Chun, Craig Mcgowan, Jinah Kim, Joshua P. Bailey
International Journal of Exercise Science
International Journal of Exercise Science 15(1): 1236-1245, 2022. Quasi-stiffness (joint stiffness) is often used to characterize leg properties during athletic and other activities and has been reported by a single slope of angle-moment curve. However, the joint angle-moment relationship of some relationship are not effectively represented by a simple linear regression model. Thus, the purpose of this analysis was to investigate the benefits of utilizing a 2nd order polynomial regression (quadratic) model as compared to the linear model when calculating lower extremity joint stiffness incorporating subdivided eccentric phases. Thirty healthy and active college students performed 15 drop jumps from …
Energy Cost Of Reclining, Sitting, And Standing Activities In Chinese Adults, Jiajia Liu, Yiyan Li, Minghui Quan, Jie Zhuang, Zhen-Bo Cao, Zheng Zhu, Yongming Li, Stephen D. Herrmann, Barbara E. Ainsworth
Energy Cost Of Reclining, Sitting, And Standing Activities In Chinese Adults, Jiajia Liu, Yiyan Li, Minghui Quan, Jie Zhuang, Zhen-Bo Cao, Zheng Zhu, Yongming Li, Stephen D. Herrmann, Barbara E. Ainsworth
International Journal of Exercise Science
International Journal of Exercise Science 15(7): 1202-1211, 2022. The 2011 Compendium presents MET values for sedentary behaviors (SBs) and light-intensity physical activities (LIPAs). Some entries have estimated METs, others have multiple activities in a single entry, and newer activities are not in the Compendium. Accurate MET values are needed to increase the validity and generalizability of the Compendium. This study measured and analyzed SBs and LIPAs’ energy costs in reclining, sitting, standing postures, and fidgeting. Indirect calorimetry measured the energy costs (VO2, ml.kg-1.min-1) in 11 males and seven females (30.7 ± 7.6 …
Differences In Rate Of Perceived Exertion And Workload Intensity In Males And Females During Submaximal Arm And Leg Ergometry, Konrad J. Dias, Amanda Mungenast, Stephanie Sherwood, Patrick Mcpherson, Allison Verville, Shannon Eaton, Dustin Nadler
Differences In Rate Of Perceived Exertion And Workload Intensity In Males And Females During Submaximal Arm And Leg Ergometry, Konrad J. Dias, Amanda Mungenast, Stephanie Sherwood, Patrick Mcpherson, Allison Verville, Shannon Eaton, Dustin Nadler
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1222-1235, 2022. Purpose: Arm ergometry (AE) is necessitated for individuals unable to perform leg ergometry (LE) exercise. This study explored gender differences in RPE and workload (WL) during AE and LE at submaximal target heart rates (THR). Methods: 35 healthy college-aged individuals were randomly allocated to begin exercise on either AE or LE. Participants exercised on both modes with increasing WL to achieve submaximal THRs of 110, 120, 130, 140 and 150 beats per minute (bpm). Factorial ANOVAs tested for differences in RPE and WL. Results: No significant differences were found in RPE between …
Effects Of Varying Load Intensity On Skeletal Muscle Damage Between Two Isovolumic Resistance Exercise Bouts, Lee J. Winchester, Cody E. Morris, Patton Allen, Teresa Wiczynski, Scott W. Arnett, T. Scott Lyons
Effects Of Varying Load Intensity On Skeletal Muscle Damage Between Two Isovolumic Resistance Exercise Bouts, Lee J. Winchester, Cody E. Morris, Patton Allen, Teresa Wiczynski, Scott W. Arnett, T. Scott Lyons
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1212-1221, 2022. There are limited data comparing the efficacy of resistance loads within the hypertrophy range for promoting muscular growth, particularly when similar training volumes are utilized. The purpose of this study was to determine if two similar volume-loads, utilizing different intensities, would produce dissimilar muscular damage and inflammation. Eleven resistance-trained, college-aged males participated in this study. After testing 1RM barbell squats, participants completed two similar volume-load barbell squat sessions at two different resistance loads (67% and 85% of 1RM) on two separate visits. Venous blood samples were collected at baseline and one hour …
Sex Differences In Measures Of Wave Reflection And Aortic Arterial Stiffness In Response To Weight Machine Resistance Exercise, Emily K. Erb, Stacie Humm, Sarah Kearney, Anthony G. Pinzone, Michelle A. Kern, J. Derek Kingsley
Sex Differences In Measures Of Wave Reflection And Aortic Arterial Stiffness In Response To Weight Machine Resistance Exercise, Emily K. Erb, Stacie Humm, Sarah Kearney, Anthony G. Pinzone, Michelle A. Kern, J. Derek Kingsley
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1190-1201, 2022. While it has been demonstrated that acute resistance exercise (RE) alters measures of wave reflection and aortic arterial stiffness in young, healthy individuals, limited research has evaluated sex differences. Accordingly, we recruited moderately active, resistance-trained men (Age: 22 ± 3yrs, n=12) and women (23 ± 3yrs, n=10) to perform two randomized conditions consisting of an acute bout of weight machine RE or a quiet control (CON). Measures of aortic wave reflection and aortic stiffness were taken at baseline and 15 minutes following the RE (Recovery). At baseline, women had significantly higher heart …
Efficacy Of A 6-Week Suspension Training Exercise Program On Fitness Components In Older Adults, Christina Pierle, Alexander T. Mcdaniel, Lindsey H. Schroeder, Michel J.H. Heijnen, Wayland Tseh
Efficacy Of A 6-Week Suspension Training Exercise Program On Fitness Components In Older Adults, Christina Pierle, Alexander T. Mcdaniel, Lindsey H. Schroeder, Michel J.H. Heijnen, Wayland Tseh
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 1168-1178, 2022. The purpose of this study was to determine the efficacy of a 6-week suspension training exercise program on fitness components in older adults. Eleven participants (age = 80 ± 5 yrs) completed a 6-week suspension training exercise program. Pre- and post-fitness assessments comprised of body composition, handgrip dynamometer, functional reach, and balance. The 6-week suspension training intervention required individuals to perform suspension training exercises for fifty minutes, twice per week. A paired sample t-test was used to determine differences from pre-and post-assessments. An improvement was observed in functional reach (57.2 ± …
The Association Between Handgrip Strength Asymmetry Severity And Future Morbidity Accumulation: Results From The Health And Retirement Study, Lukus Klawitter, Kyle Collins, Dawson Ringhofer, Bryan Christensen, Ryan Mcgrath
The Association Between Handgrip Strength Asymmetry Severity And Future Morbidity Accumulation: Results From The Health And Retirement Study, Lukus Klawitter, Kyle Collins, Dawson Ringhofer, Bryan Christensen, Ryan Mcgrath
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 1133-1141, 2022. Analyzing the severity of handgrip strength (HGS) asymmetry in aging populations may help to screen for morbidities and add utility to handgrip dynamometer testing. Our study sought to determine the relationships between HGS asymmetry severity and future accumulating morbidities in older Americans. Secondary analyses from the 2006-2016 waves of the Health and Retirement Study included 18,506 adults ≥ 50 years old. The highest recorded HGS values from each hand were used to calculate HGS asymmetry ratio (non-dominant HGS/dominant HGS). If the HGS asymmetry ratio < 1.0, it was inversed to make all asymmetry ratios ≥ 1.0. Participants were categorized into groups based on the severity of their HGS asymmetry ratio: 1) 0.0% - 10.0%, 2) 10.1% - 20.0%, 3) 20.1% - 30.0%, and 4) > 30.0%. Healthcare provider-diagnosed morbidities (hypertension, diabetes, cancer, chronic …
Impact Of Acute Uninterrupted Sitting On Cerebrovascular Hemodynamics, Raymond Jones, Dominique Mcarthur, Stephanie Mccoy, Lee Stoner, Simon Fryer, Daniel P. Credeur
Impact Of Acute Uninterrupted Sitting On Cerebrovascular Hemodynamics, Raymond Jones, Dominique Mcarthur, Stephanie Mccoy, Lee Stoner, Simon Fryer, Daniel P. Credeur
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1156-1167, 2022. Reductions in brain blood flow are associated with reduced cognitive function and cerebrovascular disease. Acute periods of uninterrupted sitting can lead to endothelial dysfunction, namely due to a reduction in shear stress and subsequent reduction in nitric oxide bioavailability. Little is known of the impact of sitting on brain health. The purpose was to determine the total brain blood flow response following a 60-minute bout of uninterrupted sitting. Using a parallel design, this study evaluated the impact of 60-minutes of sitting on total brain blood flow. Fifteen participants (n=15; age=24 ± …
Effects Of Creatine Supplementation And Progressive Resistance Training In Stroke Survivors, Sara Butchart, Darren G. Candow, Scott Forbes, Cameron Mang, Julianne Gordon, Jongbum Ko, Dalton Deprez, Phil Chilibeck, David Ditor
Effects Of Creatine Supplementation And Progressive Resistance Training In Stroke Survivors, Sara Butchart, Darren G. Candow, Scott Forbes, Cameron Mang, Julianne Gordon, Jongbum Ko, Dalton Deprez, Phil Chilibeck, David Ditor
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1117-1132, 2022. The purpose was to investigate the effects of progressive resistance training (PRT) and creatine supplementation in stroke survivors. Participants were randomized to one of two groups: creatine (n = 5; 51 ± 16y) or placebo (n = 3; 73 ± 8y) during 10 weeks of supervised PRT. Prior to and following PRT and supplementation, assessments were made for body composition (lean tissue and fat mass), muscle thickness, muscle strength (1-repetition maximum), functional exercise capacity (6-minute walk test, Berg Balance Scale; BBS), cognition (Montreal Cognitive Assessment; MoCA), and symptoms of anxiety …
Muscle Activation Patterns Of The Proximal Medial And Distal Biceps Femoris And Gluteus Maximus Among 6 Hip Extension And Knee Flexion Exercises In Trained Women., Bryn M. Stevens, Ben R. Nichols, Holly I. Doty, John Adam Korak
Muscle Activation Patterns Of The Proximal Medial And Distal Biceps Femoris And Gluteus Maximus Among 6 Hip Extension And Knee Flexion Exercises In Trained Women., Bryn M. Stevens, Ben R. Nichols, Holly I. Doty, John Adam Korak
International Journal of Exercise Science
International Journal of Exercise Science 15(1): 1179-1189, 2022. The biceps femoris (BF) is a double-jointed muscle that performs both hip extension and knee flexion, making it a challenging muscle to train during common resistance training movements. An imbalance between the posterior and anterior chain increases the risk of lower-extremity injury. The purpose of this study was to compare BF proximal (BFprox), BF medial (BFmed), and BF distal (BFdist) peak and mean muscle activation among four hip hinging movements and two knee flexion movements. A secondary variable was gluteus maximus (GMax) muscle activation among the same six movements. Fifteen trained females …
Freely Chosen Cadence Is Increased During Repeated Bouts Of Submaximal Ergometer Pedalling, Andreas Schmidt, Jonas G. Madsen, Magnus K. Hyttel, Ernst A. Hansen
Freely Chosen Cadence Is Increased During Repeated Bouts Of Submaximal Ergometer Pedalling, Andreas Schmidt, Jonas G. Madsen, Magnus K. Hyttel, Ernst A. Hansen
International Journal of Exercise Science
International Journal of Exercise Science 15(1): 1142-1155, 2022. It was investigated whether the phenomenon of repeated bout rate enhancement occurs during submaximal ergometer cycling. Repeated bout rate enhancement is defined as an increase of the freely, or spontaneously, chosen cadence during repeated bouts of pedalling and has previously been reported for finger tapping. This is relevant to study since cadence can affect biomechanical and physiological responses. Recreationally active individuals (n=27) performed five consecutive 5-min bouts of cycling at 100 W using freely chosen cadence. All bouts were separated by 10-min rest. Cadence, pedal force profile characteristics, heart rate, …
Physical Activity And Mindfulness Are Associated With Lower Anxiety In Different But Complementary Ways, Allison L. Mizzi, Antony D. Karelis, Jennifer J. Heisz
Physical Activity And Mindfulness Are Associated With Lower Anxiety In Different But Complementary Ways, Allison L. Mizzi, Antony D. Karelis, Jennifer J. Heisz
International Journal of Exercise Science
International Journal of Exercise Science 15(7): 1075-1084, 2022. Introduction: Anxiety is the most prevalent mental illness worldwide. Physical activity and mindfulness both reduce anxiety. The two are highly related; however, the relative association of physical activity and mindfulness on anxiety has yet to be examined. The present study aimed to evaluate the unique variance accounted for by physical activity and mindfulness on anxiety. Methods: Fifty young adults from a student population (M ± SD = 19 ± 0.2 years old; 58% female) reported their physical activity, mindfulness, and anxiety symptoms at the start of the study and reported their change …
Impact Of An Acute Bout Of Submaximal Aerobic Exercise On Circulating Leukocytes In Individuals With Spinal Cord Injury, Garett S. Jackson, Kendra R. Todd, Jan W. Van Der Scheer, Jeremy J. Walsh, Gabriel U. Dix, Kathleen A. Martin Ginis, Jonathan P. Little
Impact Of An Acute Bout Of Submaximal Aerobic Exercise On Circulating Leukocytes In Individuals With Spinal Cord Injury, Garett S. Jackson, Kendra R. Todd, Jan W. Van Der Scheer, Jeremy J. Walsh, Gabriel U. Dix, Kathleen A. Martin Ginis, Jonathan P. Little
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 1085-1104, 2022. Individuals with spinal cord injury (SCI) may experience cardiovascular, musculoskeletal and organ function dysregulation. Sequelae include reduced catecholamine secretion and attenuated immune responses which may impact exercise-induced leukocytosis. The purpose of this study was to characterize major leukocyte subtypes following 30 minutes of acute, submaximal aerobic exercise, in line with updated international SCI exercise guidelines for adults. It was hypothesized that exercise would increase major leukocyte subtypes when compared to fasted baseline. Eight participants with SCI (incomplete n = 6; complete n = 2) completed a 30-minute bout of aerobic exercise on …
Aerobic Performance Detriments While Wearing A Face Mask Diverge Among Males And Females, Jose M. Moris, Yunsuk Koh
Aerobic Performance Detriments While Wearing A Face Mask Diverge Among Males And Females, Jose M. Moris, Yunsuk Koh
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1105-1116, 2022. The current study examined the impact of wearing a face mask (FM) at rest and while exercising on cardiorespiratory variables and aerobic performance between males and females. Nine males (21.4 ± 0.5 yr) and 9 females (21.8 ± 3.6 yr) performed a pulmonary function test and a graded maximal exercise test (GXT) on a treadmill with an FM and without an FM in random order. During the GXT, cardiorespiratory variables were measured at different exercise intensities (rest, 40%, 55%, 70%, 80%, 100% of VO2max) and during recovery. Regardless of sex, …
The Acute Effect Of In Natura Beetroot Juice Intake On Intra-Session Exercise Sequences During Concurrent Training, Diego Souza, Julio Ribeiro, Andrea Simão, Millán Aguilar-Navarro, Marcos Polito
The Acute Effect Of In Natura Beetroot Juice Intake On Intra-Session Exercise Sequences During Concurrent Training, Diego Souza, Julio Ribeiro, Andrea Simão, Millán Aguilar-Navarro, Marcos Polito
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1075-1085, 2022. The purpose of this study was to analyze the acute effects of in natura beetroot juice intake on intra-session exercise sequences during concurrent training. Following a randomized double-blind placebo-controlled crossover design, 20 well-trained men (21.4 ± 2.9 years; 74.8 ± 6.3 kg; 175.7 ± 5.0 cm) performed two concurrent training sessions with different intra-session exercise sequences: CT1 (aerobic exercise + resistance exercises) and CT2 (resistance exercises + aerobic exercise). The resistance exercises were bench-press, lat-pull down, and shoulder-press (three sets to failure; 2 s cadence for the concentric and eccentric phases; 90 …
Investigating The Psychophysiological Response To Grade One Muscular Injury In Professional Australian Football Athletes, Billymo Rist, Alan J. Pearce, Anthea C. Clarke
Investigating The Psychophysiological Response To Grade One Muscular Injury In Professional Australian Football Athletes, Billymo Rist, Alan J. Pearce, Anthea C. Clarke
International Journal of Exercise Science
International Journal of Exercise Science 15(5): 1052-1063, 2022. The purpose of this study was to examine Australian Football athletes’ responses to a grade one muscular injury from a psychophysiological perspective to understand the strength of the association between stress, optimism, and cortisol. Forty-five players listed with one professional Australian Football club volunteered for this study. Inclusion criteria consisted of sustaining a muscular injury during the course of the season with four-weeks predicted recovery time (as diagnosed by club medical staff, n=9). The control group were age, position, and career history matched players from the same sample. Players were also matched …
Living Situation And Physical Activity In The Covid-19 Pandemic Among American Private University Students, Eduardo Gonzalez Villarreal, Laura S. Kabiri, Cassandra S. Diep, Hedi Y. Perkins, Amanda M. Perkins-Ball, Augusto X. Rodriguez
Living Situation And Physical Activity In The Covid-19 Pandemic Among American Private University Students, Eduardo Gonzalez Villarreal, Laura S. Kabiri, Cassandra S. Diep, Hedi Y. Perkins, Amanda M. Perkins-Ball, Augusto X. Rodriguez
International Journal of Exercise Science
International Journal of Exercise Science 15(4): 1064-1074, 2022. Many university students experienced changes during the COVID-19 pandemic, including potential changes in physical activity (PA) levels and living situation. As PA behaviors in young adulthood help establish life-long habits and future health outcomes, the purpose of this study was to investigate overall change in PA, as well as change in PA due to living situation, among private university students during the COVID-19 pandemic. Private university students (n = 109) between 18 and 25 years of age completed an online survey that included the International Physical Activity Questionnaire – Short Form. T-tests …
Short-Term Effects Of Repeated-Sprint Training On Vertical Jump Ability And Aerobic Fitness In Collegiate Volleyball Players During Pre-Season, Petrus Gantois, Gilmário Ricarte Batista, Leonardo Sousa Fortes, Arnaldo Luís Mortatti, Matheus Dantas, Daniel Gomes Da Silva Machado, Breno Guilherme De Araújo Ticoco Cabral
Short-Term Effects Of Repeated-Sprint Training On Vertical Jump Ability And Aerobic Fitness In Collegiate Volleyball Players During Pre-Season, Petrus Gantois, Gilmário Ricarte Batista, Leonardo Sousa Fortes, Arnaldo Luís Mortatti, Matheus Dantas, Daniel Gomes Da Silva Machado, Breno Guilherme De Araújo Ticoco Cabral
International Journal of Exercise Science
International Journal of Exercise Science 15(6): 1040-1051, 2022. The aim of this study was to assess the effect of repeated-sprint training (RST) on vertical jump ability and aerobic power in college volleyball players. Nineteen male volleyball players, aged between 18-24 years, were randomized into the RST group (RST; n = 10) and control group (CG; n = 9). The RST included 2-3 sets of 6x30m all-out sprints, twice per week, in addition to the regular training routine. The control group performed only the regular volleyball training sessions (i.e. mainly of technical-tactical drills). All players performed a maximal graded treadmill test, …
Health And Fitness Comparisons Among Middle-Aged And Older Adults With Long-Term Participation In Four Different Sports, Peixuan Zheng, Lei Zhang, Feng Shi, Kaiwen Man, Elroy J. Aguiar
Health And Fitness Comparisons Among Middle-Aged And Older Adults With Long-Term Participation In Four Different Sports, Peixuan Zheng, Lei Zhang, Feng Shi, Kaiwen Man, Elroy J. Aguiar
International Journal of Exercise Science
International Journal of Exercise Science 15(6): 1028-1039, 2022. Physical activity is known to confer numerous health benefits. However, few studies have assessed the prolonged impact of participation in different sports on health and fitness. The purpose of this cross-sectional study was to compare the impact of long-term participation (i.e., ≥9 years) in four different sports, including two traditional Chinese (Tai Chi; diabolo) and two modern sports (aerobics; track and field [TF]) on health and fitness measures among middle-aged and older adults. Participants (n=252, 56.6±8.5y, 66% female) completed the following measures: height, weight, BMI, waist circumference, waist-hip ratio (WHR), body fat%, …
Individual Fluctuations In Blood Lactate Concentration During An Ice Hockey Game; Differences Between Player Positions, Nestor Lögdal, Marko S. Laaksonen, Erik P. Andersson
Individual Fluctuations In Blood Lactate Concentration During An Ice Hockey Game; Differences Between Player Positions, Nestor Lögdal, Marko S. Laaksonen, Erik P. Andersson
International Journal of Exercise Science
International Journal of Exercise Science 15(6): 985-993, 2022. The main purpose of the current study was to provide an in-depth description of individual player’s intra-game physiological responses during an ice hockey game. A secondary aim was to compare these responses between forwards and defensemen. Six elite junior ice hockey players, three forwards and three defensemen, median (interquartile range) 17 (17–17) years, 182 (180–185) cm, and 78 (74– 80) kg were recruited to participate in the study. Capillary blood samples were taken following each shift and analyzed for blood lactate concentration (BLC). Heart rate (HR) was registered continuously throughout the game. …
Relationships Between Lower-Body Power, Sprint And Change Of Direction Speed Among Collegiate Basketball Players By Sex, Javier A. Zaragoza, Quincy R. Johson, Daniel J. Lawson, Elizabeth L. Alfaro, J. Jay Dawes, Doug B. Smith
Relationships Between Lower-Body Power, Sprint And Change Of Direction Speed Among Collegiate Basketball Players By Sex, Javier A. Zaragoza, Quincy R. Johson, Daniel J. Lawson, Elizabeth L. Alfaro, J. Jay Dawes, Doug B. Smith
International Journal of Exercise Science
International Journal of Exercise Science 15(6): 974-984, 2022. The purpose of this study was to determine if significant relationships exist between absolute and relative lower-body power and selected measures of speed among male and female collegiate basketball players. Archived performance testing data from 29 (male = 14; female = 15) NCAA division II collegiate basketball players were used for this analysis. These measures included lane agility, 10-yard sprint, and shuttle run time (sec). A Pearson’s correlation coefficient was used to determine if significant relationships existed between measures of lower-body power and linear sprint time, change of direction speed (CODS), and …
Immediate Effect Of Warm-Up On Single-Leg Balance In Individuals With And Without Functional Ankle Instability, Emily Abalos, You-Jou Hung
Immediate Effect Of Warm-Up On Single-Leg Balance In Individuals With And Without Functional Ankle Instability, Emily Abalos, You-Jou Hung
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 1019-1027, 2022. Ankle sprains account for about 20% of all sports injuries in the United States. About 5-10 minutes of general warm-up is recommended to enhance performance and reduce injuries. However, its immediate impact on single-leg balance is unclear. The purpose of the study was to examine if different warm-up protocols could impact single-leg balance in individuals with and without functional ankle instability. Thirty volunteers (aged 19-29 years) participated in the study. The Cumberland Ankle Instability Tool was used to examine functional ankle stability and the Athletic Single-leg Stability Test of the Biodex Balance …
Efficacy Of Six Weeks Stability Exercises On The Glenohumeral Joint Of Female Tennis Players With Scapular Dyskinesia, Sahar Modares Gorji, Omid Kazemi, Parisa Shahrzad, Paulo H. Marchetti
Efficacy Of Six Weeks Stability Exercises On The Glenohumeral Joint Of Female Tennis Players With Scapular Dyskinesia, Sahar Modares Gorji, Omid Kazemi, Parisa Shahrzad, Paulo H. Marchetti
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 962-973, 2022. Background: Stabilizing exercises reduce pain intensity, improves shoulder position and scapular function, and provides an appropriate strategy for the improvement of scapular dyskinesia. The purpose of this study was to investigate the effect of six weeks of stability exercises (stretching-strengthening) on joint proprioception, strength, and range of motion of the glenohumeral joint in female tennis players with scapular dyskinesia. Methods: Thirty-six female elite tennis players with scapular dyskinesia in both experimental and control groups participated in this study. Goniometer, Isokinetic and Biodex devices were used to evaluate the range of motion, internal …
Sex Differences In The Glycemic Response To Structured Exercise Interventions In Type Ii Diabetes Mellitus Adults: A Systematic Review, Amaya Prat-Luri, Alejandro Lopez-Valenciano, Elena Sarabia-Cachadiña, Gary Liguori, Francisco Ayala
Sex Differences In The Glycemic Response To Structured Exercise Interventions In Type Ii Diabetes Mellitus Adults: A Systematic Review, Amaya Prat-Luri, Alejandro Lopez-Valenciano, Elena Sarabia-Cachadiña, Gary Liguori, Francisco Ayala
International Journal of Exercise Science
International Journal of Exercise Science 15(3): 948-961, 2022. Despite physiological sex differences in the prevalence, pathogenesis, and responses to pharmacologic therapies of glucose metabolism in type 2 diabetes mellitus (T2DM) and the current evidence regarding the benefits of physical activity in people with T2DM, there is still a lack of information about the response to physical activity in T2DM depending on the sex. Thus, the aim of the present systematic review was to analyze the physiological sex differences response to physical activity programs in adults with T2DM. A systematic review following PRISMA guidelines was performed up to 4th January …
Acute Low-Dose Capsiate Supplementation Improves Upper Body Resistance Exercise Performance In Trained Men: A Randomized, Crossover And Double-Blind Study, Helton Pereira Dos Santos Nunes De Moura, Jason Michael Cholewa, Ralf Jaeger, Eduardo Zapaterra Campos, Bruno Viana Rosa, Flavio Antônio De Sousa Nunes, Clara Clara Andressa De Araújo Barros, Priscila Almeida Queiroz Rossi, Jose Gerosa-Neto, Nelo E. Zanchi, Fabricio Eduardo Rossi
Acute Low-Dose Capsiate Supplementation Improves Upper Body Resistance Exercise Performance In Trained Men: A Randomized, Crossover And Double-Blind Study, Helton Pereira Dos Santos Nunes De Moura, Jason Michael Cholewa, Ralf Jaeger, Eduardo Zapaterra Campos, Bruno Viana Rosa, Flavio Antônio De Sousa Nunes, Clara Clara Andressa De Araújo Barros, Priscila Almeida Queiroz Rossi, Jose Gerosa-Neto, Nelo E. Zanchi, Fabricio Eduardo Rossi
International Journal of Exercise Science
International Journal of Exercise Science 15(2): 1007-1018, 2022. Objectives: The purpose of this study was to compare the effects of two acute doses of Capsiate (CAP; 6 vs. 12 mg) on upper body resistance exercise performance in trained men. Methods: Using a randomized, crossover and double-blind design, 20 resistance-trained males were supplemented with low-dose CAP (6 mg), high-dose CAP (12 mg) or placebo 45 minutes before exercise. Subjects performed 4 sets of bench press with repetitions to failure at 70% 1 repetition maximum (1RM) and 2 minutes of rest between each set. The ratings of perceived exertion (RPE) and blood …
The Biomechanical Effects Of Percussive Therapy Treatment On Jump Performance, Fany Alvarado, Kevin Valenzuela, Amanda Finn, Elizabeth L. Avila, Jill Crussemeyer, Mikiko Nakajima
The Biomechanical Effects Of Percussive Therapy Treatment On Jump Performance, Fany Alvarado, Kevin Valenzuela, Amanda Finn, Elizabeth L. Avila, Jill Crussemeyer, Mikiko Nakajima
International Journal of Exercise Science
International Journal of Exercise Science 15(1): 994-1006, 2022. Percussive therapy treatment is one form of myofascial release that has gained popularity amongst the sport community. It has been suggested that percussive therapy treatment may improve range of motion and improve athletic performance, but these claims are largely anecdotal. Currently, the effects of percussive therapy treatment on performance of athletic tasks is relatively unknown. Therefore, the purpose of this research was to assess the effects of percussive therapy treatment on jump performance and passive range of motion. Twenty-six recreationally active college individuals performed countermovement jump and drop jump activities on two …