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Articles 1141 - 1170 of 2299
Full-Text Articles in Physiology
Metabolic And Energy Cost Of Sitting, Standing, And A Novel Sitting/Stepping Protocol In Recreationally Active College Students, Charles J. Fountaine, Josh Johann, Craig Skalko, Gary A. Liguori
Metabolic And Energy Cost Of Sitting, Standing, And A Novel Sitting/Stepping Protocol In Recreationally Active College Students, Charles J. Fountaine, Josh Johann, Craig Skalko, Gary A. Liguori
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 223-229, 2016. The purpose of this study was to compare the differences in metabolic and energy cost (MEC) of college students while seated, standing, and during a sitting/stepping protocol. Participants were assessed via indirect calorimetry for 20 min in each of the following conditions: 1) seated in a standard office chair, 2) standing in place, and 3) a sitting/stepping protocol in which participants performed 1 min of stepping in place at 90 bpm, sat for 9 min, then repeated the stepping and sitting sequence once more. Participants completed each of the 3 trials in …
Poor Quality Of Instruction Leads To Poor Motor Performance Regardless Of Internal Or External Focus Of Attention, M. Jay Polsgrove, Tom E. Parry, Nathan T. Brown
Poor Quality Of Instruction Leads To Poor Motor Performance Regardless Of Internal Or External Focus Of Attention, M. Jay Polsgrove, Tom E. Parry, Nathan T. Brown
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 214-222, 2016. The view that external focus of attention provides beneficial performance outcomes when compared to an internal focus of attention has been consistently supported in the movement performance literature. While type of focus has been well investigated, the current study examined the influence of quality of instruction as a variation of the type of focus. Specifically, the purpose of the study investigated how performance-enhancing instructions would differ from performance-neutral instructions on an agility performance. An agility L-run was used to measure performance in the four counterbalanced conditions: Internal-Performance Neutral (INT-PN), Internal-Performance Enhancing (INT-PE), …
The Effects Of A Commercial, Pre-Exercise Energy Drink Supplement On Power, Muscular Endurance, And Repeated Sprint Speed, Bill I. Campbell, Jasmine L. Richmond, J. Jay Dawes
The Effects Of A Commercial, Pre-Exercise Energy Drink Supplement On Power, Muscular Endurance, And Repeated Sprint Speed, Bill I. Campbell, Jasmine L. Richmond, J. Jay Dawes
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 205-213, 2016. The purpose of this study was to investigate the effects of ingesting a pre-workout commercial energy drink supplement on multiple parameters of physical performance, including upper body and trunk muscular endurance, muscular power, and repeated sprint speed. 19 college-aged males (n = 8) and females (n = 11) participated in this randomized, double-blind, parallel groups study. At baseline and post-testing (about one week after baseline testing), anaerobic power (assessed via a countermovement vertical jump), muscular endurance (assessed via YMCA bench press test and a curl-up test), and repeated sprint speed were assessed. …
Teacher Perceptions Of Fitnessgram® And Application Of Results, William M. Miller, Sean M. Bulger, Hugh D. Campbell, Eloise Elliott, Christa L. Lilly, Robert L. Wiegand
Teacher Perceptions Of Fitnessgram® And Application Of Results, William M. Miller, Sean M. Bulger, Hugh D. Campbell, Eloise Elliott, Christa L. Lilly, Robert L. Wiegand
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 187-204, 2016. The purpose of this study was to examine perceptions of physical educators toward state-mandated use of FITNESSGRAM®. Two validated instruments were employed to collect data regarding teacher (n=174) perceptions and use. Mean (M) and standard deviations (SD) were calculated for all scale scores with t-tests and ANOVAs testing for differences by selected demographics. Overall attitudes toward FITNESSGRAM® were slightly positive (M = 4.52, SD = 1.06) on a 7-point Likert scale. The demographic variable gender (p = 0.017) was found to be …
The Effects Of A Plyometric Training Program On Jump Performance In Collegiate Figure Skaters: A Pilot Study, Jennifer L. Hunnicutt, Craig L. Elder, J. Jay Dawes, Amanda J. Sinclair Elder
The Effects Of A Plyometric Training Program On Jump Performance In Collegiate Figure Skaters: A Pilot Study, Jennifer L. Hunnicutt, Craig L. Elder, J. Jay Dawes, Amanda J. Sinclair Elder
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 175-186, 2016. Plyometric training has been implemented to increase jump height in a variety of sports, but its effects have not been researched in figure skating. The purpose of this study was to determine the effects of a plyometric training program on on-ice and off-ice jump performance. Six collegiate figure skaters (19.8±1.2 years; 164.7±4.9 cm; 60.3±11.6 kg) completed a six-week sport-specific plyometric training program, consisting of low to moderate intensity plyometric exercises, while eight collegiate figure skaters (21.1±3.9 years; 162.6±6.0 cm; 60.4±6.1 kg) served as the control group. Significant increases were found for vertical …
Geometric Entropy For Lead Vs Top-Rope Rock Climbing, Phillip B. Watts, Scott N. Drum, Matthew A. Kilgas, Kevin C. Phillips
Geometric Entropy For Lead Vs Top-Rope Rock Climbing, Phillip B. Watts, Scott N. Drum, Matthew A. Kilgas, Kevin C. Phillips
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 168-174, 2016. The complexity of movement of a rock climber’s center of mass during an ascent has been described as geometric entropy (GE). It has been proposed that lower geometric entropy could represent more fluid and economical movement during climbing. The purpose of the present study was to measure GE during rock climbing ascents under a lead condition (LD), where the climber connects a safety rope to several intermediate anchors during the ascent and under a top-rope condition (TR), where the safety rope is always anchored above the climber. Six experienced rock climbers volunteered …
Increasing Lean Mass And Strength: A Comparison Of High Frequency Strength Training To Low Frequency Strength Training, Michael Thomas, Steve Burns
Increasing Lean Mass And Strength: A Comparison Of High Frequency Strength Training To Low Frequency Strength Training, Michael Thomas, Steve Burns
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 159-167, 2016. The purpose of this study was to determine the effect strength training frequency has on improvements in lean mass and strength. Participants were 7 women and 12 men, age ( = 34.64 years ± 6.91 years), with strength training experience, training age ( = 51.16 months ± 39.02 months). Participants were assigned to one of two groups to equal baseline group demographics. High frequency training group (HFT) trained each muscle group as the agonist, 3 times per week, exercising with 3 sets per muscle group per session (3 total body workouts). Low …
Three Week Hypergravity Training Intervention Decreases Ground Contact Time During Repeated Jumping And Improves Sprinting And Shuttle Running Performance, Eric M. Scudamore, Jordan B. Lowe, Veronika Přibyslavská, Samantha L. Johnson, Mary C. Stevenson, Tyler W. Langford, James M. Green, Eric K. O'Neal
Three Week Hypergravity Training Intervention Decreases Ground Contact Time During Repeated Jumping And Improves Sprinting And Shuttle Running Performance, Eric M. Scudamore, Jordan B. Lowe, Veronika Přibyslavská, Samantha L. Johnson, Mary C. Stevenson, Tyler W. Langford, James M. Green, Eric K. O'Neal
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 149-158, 2016. This study examined the effects of a non-traditional training method, hypergravity training (HT), on anaerobic performance. Highly active men (n = 9) completed a 3 week HT protocol in which weighted vests were worn 8 h/day, 4+ days/week separate from training. Vest loads were 11.2 ± 0.6% of body mass during week one, and increased to 13.2 ± 0.7% (week 2), and 16.1 ± 0.4% (week 3). Performance testing included power clean 1-RM (PC), counter movement jumps, 4 continuous jumps, 36.6 m sprints (SP), a 137.2 m short shuttle run (SSR), and …
The Effects Of A Lifetime Physical Activity And Fitness Course On College Students’ Health Behaviors, Ale Quartiroli, Hotaka Maeda
The Effects Of A Lifetime Physical Activity And Fitness Course On College Students’ Health Behaviors, Ale Quartiroli, Hotaka Maeda
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 136-148, 2016. The purpose of this study was to examine motivational constructs and the effect of physical activity engagement on health behaviors in college students who were required to take a 15-week lifetime physical fitness (LPF) course for graduation. A total of fifty-eight first and second year college students aged between 17 and 23 years (M=18.72; SD=1.09). Paper and pencil questionnaires were anonymously administered at the beginning and at the end of the 15-week long spring 2012 semester. Analysis of the differences between the beginning and the end of the semester …
Motives For Physical Activity And Physiological Variables As Predictors Of Exercise Intentions Following A High Intensity Interval Training Protocol In College-Age Females, Jody L. Langdon, Sarah Joseph, Kristina L. Kendall, Brandonn Harris, Jim Mcmillan
Motives For Physical Activity And Physiological Variables As Predictors Of Exercise Intentions Following A High Intensity Interval Training Protocol In College-Age Females, Jody L. Langdon, Sarah Joseph, Kristina L. Kendall, Brandonn Harris, Jim Mcmillan
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 121-135, 2016. More females are classified as insufficiently active and may have little time for physical activity than males (28). Sufficient activity for adults includes a minimum of 30 minutes of moderate intensity aerobic exercise, five days per week or 20 minutes of vigorous intensity exercise three days per week, or a combination of these, in addition to the resistance training recommendation of training each muscle group two times per week (14). High intensity interval training (defined as very short intense intervals, usually above 85% maximum heart rate accompanied by alternated passive recovery periods; …
The Effect Of Single-Leg Stance On Dancer And Control Group Static Balance, Elisabeth A. Kilroy, Olivia M. Crabtree, Brittany Crosby, Amanda Parker, William R. Barfield
The Effect Of Single-Leg Stance On Dancer And Control Group Static Balance, Elisabeth A. Kilroy, Olivia M. Crabtree, Brittany Crosby, Amanda Parker, William R. Barfield
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 110-120, 2016. The purpose of this study was to compare kinetic differences of static balance between female dancers (D) with at least seven years of dance experience and female non-dancers (ND) who were typical college students. Participants were tested in single-leg stance. Both the dominant leg (DL) and non-dominant leg (NDL) were tested with the participants shod (S) and barefoot (BF). Kinetic variables (vertical, medio-lateral [ML], antero-posterior [AP] maximum ground reaction forces (GRF), and center of pressure (COP) ML and AP) were measured by a Bertec force platform at 1000 Hz with participants S …
Utilization Of An Anti-Gravity Treadmill In A Physical Activity Program With Female Breast Cancer Survivors: A Pilot Study, Ciaran M. Fairman, Kristina L. Kendall, Brandonn S. Harris, Kenneth J. Crandall, Jim Mcmillan
Utilization Of An Anti-Gravity Treadmill In A Physical Activity Program With Female Breast Cancer Survivors: A Pilot Study, Ciaran M. Fairman, Kristina L. Kendall, Brandonn S. Harris, Kenneth J. Crandall, Jim Mcmillan
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 101- 109, 2016. Breast Cancer survivors can experience a myriad of physical and psychological benefits as a result of regular exercise. This study aimed to build on previous research using lower impact exercise programs by using an anti-gravity (Alter-G®) treadmill to administer cardiovascular training. The purpose of this study was to determine the effectiveness a physical activity program, including an Alter-G® treadmill, for improving physiological and psychosocial measures in female breast cancer survivors. A 14-week intervention using an AB-AB study design was employed. Six female breast cancer survivors were recruited to participate in the …
The Effect Of Cardiowaves Interval Training On Resting Blood Pressure, Resting Heart Rate, And Mind-Body Wellness, Camilla M. Nielson, Barbara D. Lockhart, Ronald L. Hager, James D. George, Dennis L. Eggett, Patrick R. Steffen, Ulrike H. Mitchell, Bruce W. Bailey
The Effect Of Cardiowaves Interval Training On Resting Blood Pressure, Resting Heart Rate, And Mind-Body Wellness, Camilla M. Nielson, Barbara D. Lockhart, Ronald L. Hager, James D. George, Dennis L. Eggett, Patrick R. Steffen, Ulrike H. Mitchell, Bruce W. Bailey
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 89-100, 2016. An experimental study to examine the effects of CardioWaves interval training (CWIT) and continuous training (CT) on resting blood pressure, resting heart rate, and mind-body wellness. Fifty-two normotensive (blood pressure <120/80 mmHg), pre-hypertensive (120–139/80–89 mmHg), and hypertensive (>140/90 mmHg) participants were randomly assigned and equally divided between the CWIT and CT groups. Both groups participated in the assigned exercise protocol 30 minutes per day, four days per week for eight weeks. Resting blood pressure, resting heart rate, and mind-body wellness were measured pre- and post-intervention. A total of 47 participants (15 females and 32 males) were included in the …
Oxygen Consumption And Substrate Utilization During And After Resistance Exercises Performed With Different Muscle Mass, Paulo Farinatti, Antonio G. Castinheiras Neto, Paulo Rs Amorim
Oxygen Consumption And Substrate Utilization During And After Resistance Exercises Performed With Different Muscle Mass, Paulo Farinatti, Antonio G. Castinheiras Neto, Paulo Rs Amorim
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 77-88, 2016. This study investigated the energy expenditure (EE) and substrate utilization reflected by the respiratory-exchange ratio (RER) during and after resistance exercises performed with different muscle mass. Ten male volunteers (mean±SD; 26±4yr, 179±6cm, 77±8kg) performed multiple sets of the horizontal leg press (LP) and chest fly (CF) (5 sets of 10 repetitions with 15 repetition-maximum, 1-minute between-set intervals) in a counterbalanced design. Oxygen uptake and carbon dioxide production were measured during 40 minutes of resting; resistance exercise protocols (sets and intervals); 90 minutes of post-exercise recovery. Total fat and carbohydrate oxidation rates were …
Energy Expenditure And Enjoyment Of Active Television Viewing, Lori A. Portzer, Renee J. Rogers, Bethany Barone Gibbs, Andrea L. Hergenroeder, Amy D. Rickman, John M. Jakicic
Energy Expenditure And Enjoyment Of Active Television Viewing, Lori A. Portzer, Renee J. Rogers, Bethany Barone Gibbs, Andrea L. Hergenroeder, Amy D. Rickman, John M. Jakicic
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 64-76, 2016. This study examined energy expenditure and enjoyment during sedentary television viewing (SED-TV), stepping in place during television commercials (COMM-TV), and physical activity prompted by common character phrases/mannerisms within a television program (PA-TV). Adults (N=38, age: 27.0±8.0 years, BMI: 25.4±4.2 kg/m2) completed three 30-minute sessions in random order: SED-TV, COMM-TV, and PA-TV. Energy expenditure and heart rate were assessed during each session. Enjoyment was assessed after the initial experimental session and at completion of the study. Energy expenditure was greater in the active versus sedentary sessions (COMM-TV vs SED-TV: difference = 32.7±1.9 kcal, …
The Relationship Between Aerobic Capacity And Bone Health In Young Women, Brittany R. Masteller, Curt B. Dixon, Eric S. Rawson, Joseph L. Andreacci
The Relationship Between Aerobic Capacity And Bone Health In Young Women, Brittany R. Masteller, Curt B. Dixon, Eric S. Rawson, Joseph L. Andreacci
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 56-63, 2016. The purpose of the present investigation was to examine the relationship between maximal oxygen consumption (VO2max) and bone health in young women. Eighty-three participants (age=21.0±2.2 years; BMI=22.4±3.0 kg/m2) reported for testing on two occasions separated by 48 hours. During visit 1 body composition assessment via dual-energy X-ray absorptiometry (DXA) and during visit 2, a VO2max test performed on a motorized treadmill. Weak correlations were found between absolute VO2max (L/min) and whole-body bone mineral density (WB-BMD: r=0.24, p=0.031) and whole-body bone mineral content (WB-BMC: …
Validation Of Self-Reported Anthropometrics In Female College Freshmen, Ryan J. Leone, Amy Morgan, Mary-Jon Ludy
Validation Of Self-Reported Anthropometrics In Female College Freshmen, Ryan J. Leone, Amy Morgan, Mary-Jon Ludy
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 47-55, 2016. Most investigations concerning the validity of self-reported anthropometrics focus on weight, height, and body mass index. This study extends those investigations by exploring the impact of self-reporting bias on the disease risk indicators of waist circumference and body fat percentage. Female college freshmen (n=128) self-reported weight and height, then underwent measurements for weight, height, waist circumference, and body fat percentage. Self-reporting bias was defined as self-reported minus directly-assessed anthropometric value. Despite no differences in self-reported versus directly-assessed weight or height for the total group, students with high waist circumference and excess fat …
Leukocyte Subset Changes In Response To A 164-Km Road Cycle Ride In A Hot Environment, Hui Ying Luk, Amy L. Mckenzie, Anthony A. Duplanty, Ronald G. Budnar, Danielle Levitt, Alex Fernandez, Elaine C. Lee, Lawrence E. Armstrong, Jakob L. Vingren
Leukocyte Subset Changes In Response To A 164-Km Road Cycle Ride In A Hot Environment, Hui Ying Luk, Amy L. Mckenzie, Anthony A. Duplanty, Ronald G. Budnar, Danielle Levitt, Alex Fernandez, Elaine C. Lee, Lawrence E. Armstrong, Jakob L. Vingren
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 34-46, 2016. The purpose of this observational study was to determine the circulating leukocyte subset response to completing the 2013 Hotter’N Hell Hundred recreational 164-km road cycle event in a hot and humid environmental condition. Twenty-eight men and four women were included in this study. Whole blood samples were obtained 1-2 hours before (PRE) and immediately after (POST) the event. Electronic sizing/sorting and cytometry were used to determine complete blood counts (CBC) including neutrophil, monocyte, and lymphocyte subsets. The concentration of circulating total leukocytes (103·µL-1) increased 134% from PRE to …
An Analysis Of The Medical Costs Of Obesity For Fifth Graders In California And Texas, Danielle E. Levitt, Allen W. Jackson, James R. Morrow Jr.
An Analysis Of The Medical Costs Of Obesity For Fifth Graders In California And Texas, Danielle E. Levitt, Allen W. Jackson, James R. Morrow Jr.
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 26-33, 2016. The prevalence of childhood obesity in the United States increased more than three-fold from 1976 – 1980 to 2007 – 2008. The Presidential Youth Fitness Program’s FitnessGram® is the current method recommended by the President’s Council on Fitness, Sports & Nutrition for assessing health-related fitness factors, including body composition. FitnessGram® data from California and Texas, the two most populous states, over a three-year time span indicate that more than one-third of fifth grade students, typically ten-year-olds, are obese. Previous studies report that an obese ten-year-old child who remains obese into adulthood will …
Comparison Of Affect And Cardiorespiratory Training Responses Between Structured Gym Activities And Traditional Aerobic Exercise In Children, David A. White, Scott David Rothenberger, Laura A. Hunt, Fredric L. Goss
Comparison Of Affect And Cardiorespiratory Training Responses Between Structured Gym Activities And Traditional Aerobic Exercise In Children, David A. White, Scott David Rothenberger, Laura A. Hunt, Fredric L. Goss
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 16-25, 2016. Physical activities (PA) that are pleasurable are likely to be repeated. Structured gym activities (SGA) are defined as dodging, chasing, and fleeing games. Traditional aerobic exercises (TAE) are defined as treadmill, cycle ergometer, and elliptical exercise. The purpose of this investigation was to compare affect and cardiorespiratory training responses between SGA and TAE in children. Thirty-two participants (9.3±0.2) were randomized to either the SGA or TAE group. Exercise training was seven weeks, with two sessions per week, for 35 minutes per session. Affect was measured by the (+5 (pleasurable) to -5 (displeasurable)) …
Effects Of A Supportive Audience On A Handgrip Squeezing Task In Adults, Brianna N. Leitzelar, Selen Razon, Umit Tokac, Shannon Dieringer, Cindy Book, Lawrence A. Judge
Effects Of A Supportive Audience On A Handgrip Squeezing Task In Adults, Brianna N. Leitzelar, Selen Razon, Umit Tokac, Shannon Dieringer, Cindy Book, Lawrence A. Judge
International Journal of Exercise Science
International Journal of Exercise Science 9(1): 4-15, 2016. The role of social facilitation by way of audience effect in select exercise-related variables during an isometric handgrip task was assessed using a mixed design. Fifty three moderately active participants (Mage= 21.76 + 5.27) were recruited from the Midwestern United States. Participants were randomly assigned to one of two groups: supportive audience or control. Audience members provided positive verbal encouragement to participants in the experimental condition throughout the task performance. Participants in the control group performed the task in the absence of an audience and did not receive any …
2015 International Journal Of Exercise Science Reviewer List
2015 International Journal Of Exercise Science Reviewer List
International Journal of Exercise Science
International Journal of Exercise Science 9(1) : 1-3, 2016.
Using Hexoskin Wearable Technology To Obtain Body Metrics In A Trail Hiking Setting, Jeffrey Montes, Tori M. Stone, Jacob W. Manning, Damon Mccune, Debra K. Tacad, Jack C. Young, Mark Debeliso Phd, James W. Navalta
Using Hexoskin Wearable Technology To Obtain Body Metrics In A Trail Hiking Setting, Jeffrey Montes, Tori M. Stone, Jacob W. Manning, Damon Mccune, Debra K. Tacad, Jack C. Young, Mark Debeliso Phd, James W. Navalta
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 425-430, 2015. Use of wearable technology to obtain various body metrics appears to be a trending phenomenon. However there is very little literature supporting the notion that these apparatuses can be used for research purposes in the field. The purpose of this study was to utilize Hexoskin wearable technology shirts (HxS) to obtain data in a pilot study using a trail hiking situation. Ten individuals (male, n = 4, female n = 6) volunteered to participate. On the first day, volunteers completed two approximately flat trail hikes at a self-preferred pace with a 15-minute …
Prediction Of Maximal Oxygen Consumption From Rating Of Perceived Exertion (Rpe) Using A Modified Total-Body Recumbent Stepper, John P. Mcculloch, Douglas J. Lorenz, Michael A. Kloby, Matthew D. Love, Daniela G.L. Terson De Paleville Phd
Prediction Of Maximal Oxygen Consumption From Rating Of Perceived Exertion (Rpe) Using A Modified Total-Body Recumbent Stepper, John P. Mcculloch, Douglas J. Lorenz, Michael A. Kloby, Matthew D. Love, Daniela G.L. Terson De Paleville Phd
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 414-424, 2015. Exercise training is crucial to improve cardiovascular health and quality of life in people with spinal cord injuries (SCI). A key limitation is the lack of validated submaximal tests to evaluate and predict cardiovascular fitness in this population. The purpose of this study was to validate a submaximal test to predict maximal oxygen consumption for individuals with SCI. Ten able-bodied participants and two individuals with SCI completed a rating of perceived exertion (RPE)-based submaximal oxygen consumption test and a graded maximal oxygen consumption test on a NuStep T4 recumbent stepper. Prediction of …
Assessment Of Dietary Behaviors, Body Composition, And Cardiovascular Disease Risk Among College Club Rugby Team, Carly R. Macdougall, Gytis Balilionis, Svetlana Nepocatych
Assessment Of Dietary Behaviors, Body Composition, And Cardiovascular Disease Risk Among College Club Rugby Team, Carly R. Macdougall, Gytis Balilionis, Svetlana Nepocatych
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 403-413, 2015. The purpose of this study was to evaluate dietary behaviors, body composition, and potential cardiovascular disease (CVD) risk factors among college club rugby team players. 15 athletes completed demographics, three 24-hour dietary recalls, body composition and blood lipid profile assessments following an overnight fast. Mean ± SD age of participants was 20 ± 1 years; weight 81 ± 16 kg; BMI 25.7 ± 3.2 kg/m2; body fat 13 ± 5%; total cholesterol 133 ± 37 mg/dl; high-density lipoprotein 49 ± 18 mg/dl; low-density lipoproteins 77 ± 26 mg/dl; triglycerides 86 …
The Influence Of Short-Term Quercetin Supplementation On Peak Oxygen Uptake During Simulated Altitude Exposure In Trained Cyclists, Justin A. Carlstrom
The Influence Of Short-Term Quercetin Supplementation On Peak Oxygen Uptake During Simulated Altitude Exposure In Trained Cyclists, Justin A. Carlstrom
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 394-402, 2015. Endurance performance and peak oxygen uptake (VO2peak) decline as altitude increases. Some data exist suggesting that quercetin supplementation improves aerobic capacity in trained and untrained individuals at sea-level (normobaric normoxic conditions). Few studies have examined the effects of quercetin on endurance performance during simulated altitude exposure (normobaric hypoxic conditions). The purpose of this study was to determine the effects of consuming 1000 mg·day-1 of quercetin for two weeks on cycling VO2peak in healthy trained male cyclists performing under normobaric normoxic and hypoxic conditions (NP and HP, respectively). Fourteen …
Efficacy Of Vibration Exercise As A Warm-Up Modality For Overground Sprinting, Victoria Moddie, Amanda C. Benson, Brett A. Gordon, Noel Lythgo
Efficacy Of Vibration Exercise As A Warm-Up Modality For Overground Sprinting, Victoria Moddie, Amanda C. Benson, Brett A. Gordon, Noel Lythgo
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 385-393, 2015. This study investigated the efficacy of vibration exercise (VbX) as a warm-up modality for maximal overground sprinting. Ten national level sprinters participated in a randomized crossover design (14.0 ± 7.4 days washout period). A VbX warm-up was compared to a warm-up involving sprint-specific exercises (control condition). The VbX warm-up involved 10 ´ 1 minute bouts delivered by a Galileo 900 side-alternating plate (frequency = 26 Hz, peak-to-peak displacement = 9 mm) with 30 s rest between bouts (total time = 15 minutes). The sprint-specific warm-up involved jogging, dynamic exercises and sprinting drills …
A Multi-Directional Treadmill Training Program For Improving Gait, Balance, And Mobility In Individuals With Parkinson’S Disease: A Case Series, Kimberly Smith, Kurt Jackson, Kimberly Edginton-Bigelow, Lloyd Laubach
A Multi-Directional Treadmill Training Program For Improving Gait, Balance, And Mobility In Individuals With Parkinson’S Disease: A Case Series, Kimberly Smith, Kurt Jackson, Kimberly Edginton-Bigelow, Lloyd Laubach
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 372-384, 2015. Treadmill training is a commonly used intervention for improving gait in people with Parkinson’s disease (PD). However, little is known about how treadmill training may also influence balance and other aspects of mobility. The purpose of this case series was to explore the feasibility and possible benefits of multi-directional treadmill training for individuals with PD. Four participants (62.3 ± 6.5 yrs, Hoehn & Yahr 2-4) performed 8 weeks of treadmill training 3 times per week. Weeks 1-4 included forward walking only, while weeks 5-8 included forward and multi-directional walking. Participants were tested …
Seasonal Variation In The Distribution Of Daily Stepping In 11-13 Year Old School Children, Paul Mccrorie, Elaine Duncan, Malcolm Granat, Benedict Stansfield
Seasonal Variation In The Distribution Of Daily Stepping In 11-13 Year Old School Children, Paul Mccrorie, Elaine Duncan, Malcolm Granat, Benedict Stansfield
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 358-371, 2015. Seasonality studies in adolescent’s physical activity (PA) tend to report total PA (e.g. steps/day) rather than more specific detail such as steps/hour. This study compared the detailed changes in PA between seasons. Thirty three adolescents (baseline age 12.2 ± 0.3y) wore the activPAL activity monitor for 8 days on two occasions. Steps/day were higher in summer (Mdn = 12,879) than winter (Mdn = 10,512), p.05), however, boys had significantly higher step counts in summer between ’13:00-14:00’ (p=.023), ’19:00-20:00’ (p=.032) and ‘20:00-21:00’ (p=.023). Total steps/day masked sex differences within specific hours of the …
Tactical Athletes: An Integrated Approach To Understanding And Enhancing The Health And Performance Of Firefighters-In-Training, Stacy L. Gnacinski, Barbara B. Meyer, David J. Cornell, Jason Mims, Kathryn R. Zalewski, Kyle T. Ebersole
Tactical Athletes: An Integrated Approach To Understanding And Enhancing The Health And Performance Of Firefighters-In-Training, Stacy L. Gnacinski, Barbara B. Meyer, David J. Cornell, Jason Mims, Kathryn R. Zalewski, Kyle T. Ebersole
International Journal of Exercise Science
International Journal of Exercise Science 8(4): 341-357, 2015. In an effort to reduce the rates of firefighter fatality, injury, and workplace stress, there has been a call for research to advance knowledge of firefighting performance and injury prevention. Physical and psychological variables important to firefighter health and performance have been identified, yet the interrelated nature of these variables has been overlooked. Given the overlap between the physical and psychological demands of firefighting and sport, and given that an integrated framework has been used in the sport domain to guide athlete health and performance research and practice, firefighter organizations could benefit …