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Articles 31 - 60 of 65
Full-Text Articles in Physiology
A Bayesian Inference Comparing Collegiate Female Cyclists To Elite Female Cyclists From A Meta-Analysis, Frank B. Wyatt, Mihir Dhimar, Yesha Shah
A Bayesian Inference Comparing Collegiate Female Cyclists To Elite Female Cyclists From A Meta-Analysis, Frank B. Wyatt, Mihir Dhimar, Yesha Shah
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 368-375, 2016. The aim of this study was to evaluate the physiological characteristics of competitive, collegiate female cyclists (CFC) to data of elite female cyclists (EFC) obtained from a meta-analytic review. Eleven (n=11) CFC volunteered as subjects. Subjects signed a university approved informed consent. Means and standard deviation (+ SD) were obtained from the following measurements: age (y), 22.5± 5.1; height (cm) 167.22 ± 6.2; body mass (kg) 63.78 ± 9.71; body fat (%) 22.9 ± 3.6. Subjects performed a maximal cycling ergometer test to volitional fatigue. Maximal oxygen consumption (VO2 max, mL*kg1*min.-1) …
Effects Of Static Stretching On Squat Performance In Division I Female Athletes, Clare F. Heisey, J. Derek Kingsley
Effects Of Static Stretching On Squat Performance In Division I Female Athletes, Clare F. Heisey, J. Derek Kingsley
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 359-367, 2016. Static stretching was once recognized as a method of preparation for physical activity that would inhibit performance and increase risk of injury. However, a growing body of research suggests that static stretching may not have an inhibitory effect. Regardless, the data have not examined gender differences or the fatigue index (FI) and flexibility effects of static stretching on the back squat over multiple sets. Therefore, the purpose of this study was to examine the relationship between a static-stretch condition (SC) and control condition (CC) on flexibility and the FI of Division I …
Individual Differences In The Programming Of Rapid Bimanual Movements: Are Two Modes Better Than One?, Ashley N. Vander Does, David E. Sherwood
Individual Differences In The Programming Of Rapid Bimanual Movements: Are Two Modes Better Than One?, Ashley N. Vander Does, David E. Sherwood
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 347-358, 2016. One of the challenges in performing simultaneous bimanual movements is to prevent interference from one limb to the other, thereby maintaining spatial accuracy in both limbs. Prior research has shown that when a longer distance movement is performed with a shorter movement, the shorter movement overshoots its target and the longer movement undershoots its target relative to control conditions where two shorter or two longer movements are made. The current experiment investigated the motor control strategies used by participants when performing simultaneous aiming movements combining both different and same distances. Participants (N …
Exercise-Induced Glycogen Reduction Increases Muscle Activity, Matthew S. Tenan, J. Troy Blackburn, Robert G. Mcmurray
Exercise-Induced Glycogen Reduction Increases Muscle Activity, Matthew S. Tenan, J. Troy Blackburn, Robert G. Mcmurray
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 336-346, 2016. Intramuscular glycogen stores are an important energy source during extended bouts of strenuous exercise. A substantial reduction in glycogen could influence neural muscular drive and result in a decreasing quality of exercise performance and potentially increased injury rates. The aim of this study was to examine the effect of glycogen reduction on motor drive as determined by the surface electromyogram (EMG) amplitude and median frequency during a cycling graded exercise test. Eight trained cyclists performed a discontinuous cycling graded exercise test to exhaustion under both normal and glycogen reduced conditions. EMG …
Power Training And Functional Performance In Middle Aged Women: A Pilot Study, Mitchel A. Magrini, J. Jay Dawes, Craig Elder, Mary Ann Kluge
Power Training And Functional Performance In Middle Aged Women: A Pilot Study, Mitchel A. Magrini, J. Jay Dawes, Craig Elder, Mary Ann Kluge
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 327-335, 2016. Muscular power is a key component of functional performance (FP) and fall risk reduction. The present study investigated the effect that power training with medicine balls had on body composition and FP in middle-age females. 10 women were divided into a control group (n=4, age=59.8+3.6) and an intervention group (n=6, age=59.5+3.6) in this 6-week study. The intervention group completed a medicine ball training program two times a week. Body composition and FP tests were administered prepost. Data was analyzed using a series of Wilcoxon Signed Ranks test and Cohen’s d test for …
Do Girls With Excess Adiposity Perform Poorer Motor Skills Than Their Leaner Peers?, Daniel V. Chagas, Joyce F. Carvalho, Luiz A. Batista
Do Girls With Excess Adiposity Perform Poorer Motor Skills Than Their Leaner Peers?, Daniel V. Chagas, Joyce F. Carvalho, Luiz A. Batista
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 318-326, 2016. The main aim of this study was to analyze the joint association of body fat percentage and physical activity levels on motor coordination scores in girls with different adiposity status. Sixty-eight school-aged children between 12 and 14 years participated in the study. Skinfold thickness was measured and the Körperkoordinationstest für Kinder test was administered. Participants completed a selfreporting questionnaire on physical activity. Children’s adiposity status was attributed in according to age-specific cutoff points of a Brazilian database. Analysis of Variance was used to compare motor coordination scores among groups with different status …
Factors Influencing Muscular Strength And Endurance In Disadvantaged Children From Low-Income Families, Yi Fang, Ryan D. Burns, James C. Hannon, Timothy A. Brusseau
Factors Influencing Muscular Strength And Endurance In Disadvantaged Children From Low-Income Families, Yi Fang, Ryan D. Burns, James C. Hannon, Timothy A. Brusseau
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 306-317, 2016. Examining the correlates of muscular strength and endurance in children from low-income families will provide evidence for interventions to improve these parameters. The purpose of this study was to determine the predictors and trends of muscular strength and endurance in at-risk school-aged children. The sample included 1,232 children (Mean age = 8.8 ± 1.6 years; 625 girls, 607 boys; 60% Hispanic) recruited from three U.S. low-income schools. Children performed health-related fitness testing and wore pedometers for one school week. A stratified random subsample (n = 533) also wore accelerometers to record sedentary …
Perceptions Of Motivational Climate, Goal Orientations, And Light- To Vigorous-Intensity Physical Activity Engagement Of A Sample Of Finnish Grade 5 To 9 Students, Arto Gråstén, Anthony P. Watt
Perceptions Of Motivational Climate, Goal Orientations, And Light- To Vigorous-Intensity Physical Activity Engagement Of A Sample Of Finnish Grade 5 To 9 Students, Arto Gråstén, Anthony P. Watt
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 291-305, 2016. The aim of this study was the examination of relationships between children’s perceptions of motivational climate, goal orientation, and their engagement in light- to vigorous-intensity physical activity. The sample comprised 585 school children at age of 11 to 16-year-old from three small cities located in Northeast-Finland. The cross-sectional data was collected using online questionnaires in April 2014. The findings indicated that the higher task-involving motivational climate in physical education the children reported, the higher total light- and moderate-intensity levels they accumulated. Task-involving climate also indicated higher task orientation and ego-involving climate higher …
The Acute Effect Of Pilates Exercise On Lower Extremity Maximal Strength, Heather Monger, Blain C. Harrison
The Acute Effect Of Pilates Exercise On Lower Extremity Maximal Strength, Heather Monger, Blain C. Harrison
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 283-290, 2016. In recent years, the effects of chronic core training on athletic performance have been examined with mixed results; however, the acute effects of core training on athletic performance variables have yet to be examined. Therefore, the purpose of this study was to determine the relationship between an acute bout of core training and lower extremity maximal strength. Seventeen healthy males (weight 90.1 ± 17.2 kg; height 176.7 ± 11.2 cm; age 20.9 ± 1.3 years) performed maximal deadlift assessments following 2 testing conditions. A general cardiovascular warm-up was used as the control …
Physiological Characteristics Of Youth Synchronized Skaters, Laura E. Fischer M.Ed., Lynn A. Darby Ph.D., Amy L. Morgan Ph.D., David A. Tobar Ph.D.
Physiological Characteristics Of Youth Synchronized Skaters, Laura E. Fischer M.Ed., Lynn A. Darby Ph.D., Amy L. Morgan Ph.D., David A. Tobar Ph.D.
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 270-282, 2016. Figure skating is a lifelong sport with participation rates increasing for skaters of all ages. Development within the five disciplines of figure skating (individual skating, synchronized skating, pairs skating, ice dancing, and theater on ice) has led to increased physical demands placed on skaters’ bodies. As a result, focus on sport performance testing, training, and injury prevention specific to figure skating is increasing. The purpose of this study was to use field tests to describe the physical characteristics of synchronized skaters and to determine the relationships between these physiological characteristics and skating …
Evaluation Of The Basis Band Fitness Tracker, Pier-Alexandre Desilets, Matthew T. Mahar
Evaluation Of The Basis Band Fitness Tracker, Pier-Alexandre Desilets, Matthew T. Mahar
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 258-269, 2016. Self-monitoring is a widely recommended behavioral strategy to promote regular physical activity. Commercially available activity monitors are becoming increasingly popular and provide users with the opportunity to self-monitor physical activity. The purpose of this study was to examine the ability of the Basis Band Fitness Tracker to measure heart rate and movement compared to research-grade activity monitors. Twenty participants (14 females and 6 males) aged 18-23 yrs (mean = 20.0 ± 1.1 yrs) wore a Basis Band, an NL-1000 pedometer, an ANT+ Motorola HRM1G chest strap heart rate monitor, and an …
Body Image Dissatisfaction: Responses Between Male And Female Exercisers And Non-Exercisers, Katie Melching, Matt Green, Eric K. O'Neal, Lee Renfroe
Body Image Dissatisfaction: Responses Between Male And Female Exercisers And Non-Exercisers, Katie Melching, Matt Green, Eric K. O'Neal, Lee Renfroe
International Journal of Exercise Science
International Journal of Exercise Science 9(3): 249-257, 2016.Body image dissatisfaction (BID) is defined as the difference between actual and desired image. Body image or BID is subject to high levels of societal pressure and discrepancies are frequent between actual and desired image. This study examined BID among male exercisers (ME), female exercisers (FE), male non-exercisers (MNE) and female non-exercisers (FNE). Further, the potential relationship of personal BID on individual’s beliefs regarding what their peers’ perceptions would be was examined. College-aged men (n = 169) and women (n = 246) used the Stunkard scale to self-assess body image. Participants labeled …
The Effect Of Training Intensity On Vo2max In Young Healthy Adults: A Meta-Regression And Meta-Analysis, Trisha Scribbans, Stephan Vecsey, Hankinson Paul, William Foster, Brendon Gurd
The Effect Of Training Intensity On Vo2max In Young Healthy Adults: A Meta-Regression And Meta-Analysis, Trisha Scribbans, Stephan Vecsey, Hankinson Paul, William Foster, Brendon Gurd
International Journal of Exercise Science
International Journal of Exercise Science 9(2): 230-247, 2016. Exercise training at a variety of intensities increases maximal oxygen uptake (VO2max), the strongest predictor of cardiovascular and all-cause mortality. The purpose of the present study was to perform a systematic review, meta-regression and meta-analysis of available literature to determine if a dose-response relationship exists between exercise intensity and training-induced increases in VO2max in young healthy adults. Twenty-eight studies involving human participants (Mean age: 23±1 yr; Mean VO2max: 3.4±0.8 l·min−1) were included in the meta-regression with exercise training intensity, session dose, baseline VO2max, and total training volume used as covariates. These studies …
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 …