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Articles 1201 - 1230 of 1402
Full-Text Articles in Exercise Physiology
The Critical Power Concept And Bench Press: Modeling 1rm And Repetitions To Failure, R Hugh Morton, Matthew D. Redstone, Daniel J. Laing
The Critical Power Concept And Bench Press: Modeling 1rm And Repetitions To Failure, R Hugh Morton, Matthew D. Redstone, Daniel J. Laing
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 152-160, 2014. Introduction: We demonstrate application of the 3-parameter critical power (CP) model derived for cycling and running, to performance at bench press exercise. We apply the model to both performance of a single repetition maximum (1RM) and multiple repetitions (reps) to failure at different sub-maximal weights. Methods: Sixteen weight-trained young adult male participants each performed a modified YMCA 1RM test and four sets of fixed cadence reps to failure at different sub-maximal weights. The CP model equation takes the form: n = ALC/(m – CL) + ALC/(CL – Lmax,), where n is …
Racial Comparisons In Police Officer Bench Press Strength Over 12.5 Years, Robert W. Boyce, Tyler K. Willett, Glenn R. Jones, Edward L. Boone
Racial Comparisons In Police Officer Bench Press Strength Over 12.5 Years, Robert W. Boyce, Tyler K. Willett, Glenn R. Jones, Edward L. Boone
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 140-151, 2014. Strength, when considering gender and race, provides a basis for training, hiring, and retention for police officers. The purpose of this study is to identify muscular strength differences among racial groups from initial-recruit to in-service tests. Strength variables included bench press, bench press/lean mass and bench press/body mass. Scores were retrieved for the 1990 to 1995 recruit classes and were paired to the 2006 in-service fitness log. Sample included 309 officers: 30 females (13 black, 17 white) and 279 males (41 black, 238 white). Mean age of recruit was 24.6 ± …
Manuscript Has Been Retracted, Michael Smith, Eric Trexler, Allan Sommer, Brooke Starkoff, Steven Devor
Manuscript Has Been Retracted, Michael Smith, Eric Trexler, Allan Sommer, Brooke Starkoff, Steven Devor
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 128-139, 2014. Manuscript has been retracted.
Development Of A Prediction Equation For Vertical Power In Masters Level Basketball Athletes, Jordan M. Glenn, Jennifer Vincenzo, Michelle Gray, Ashley Binns
Development Of A Prediction Equation For Vertical Power In Masters Level Basketball Athletes, Jordan M. Glenn, Jennifer Vincenzo, Michelle Gray, Ashley Binns
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 119-127, 2014. Performance factors such as power, agility, and speed are important in sport-based competition for older individuals. Prediction models that assess these factors in masters level competitors are limited. The purpose of this study was to examine physical field measures of agility and speed and their ability to predict vertical power (VP) among basketball masters athletes(MA). Thirty-eight competitive MA from a Midwest Senior Olympic basketball tournament performed vertical jump, 20-yard dash (20-D), 40-yard dash (40-D), and T-test (TT) assessments. Regression analysis revealed a significant relationship (p = .002) using TT and …
Factors Associated With Diabetes Risk In South Texas College Students, Jordan W. Stack, Sara E. Mahoney, Christopher M. Hearon
Factors Associated With Diabetes Risk In South Texas College Students, Jordan W. Stack, Sara E. Mahoney, Christopher M. Hearon
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 110-118, 2014. South Texas has a high prevalence of diabetes and college students may be particularly at risk. While increased BMI, sedentary activity and depression have been associated with diabetes progression in the general population, it has not been established whether these factors contribute to increased diabetes risk in college students. The purpose of this study was to assess diabetes risk and determine whether depressive symptoms or physical activity patterns are associated with increased diabetes risk in college students. Sixty-nine college students were assessed for diabetes risk using the Finnish Diabetes Risk Score …
The Role Of High School Physical Activity Experience In College Students’ Physical Activity Motivation, Joseph S. Madonia, Anne E. Cox, Melissa L. Zahl
The Role Of High School Physical Activity Experience In College Students’ Physical Activity Motivation, Joseph S. Madonia, Anne E. Cox, Melissa L. Zahl
International Journal of Exercise Science
International Journal of Exercise Science 7(2) : 98-109, 2014. This study tested the role of past physical activity mode in predicting physical activity motivation of first year college students. Consistent with self-determination theory, perceived competence and autonomy were expected to mediate the relationships of specific types of physical activity engaged in during high school to autonomous motivation for physical activity in college. College students (N = 124; Mage= 18.42, SD = 0.51) completed an online questionnaire that assessed frequency of engagement in different modes of physical activity during their final year of high school (i.e., competitive sport, …
Self-Determined Engagement In Physical Activity And Sedentary Behaviors Of Us College Students, Ale Quartiroli, Hotaka Maeda
Self-Determined Engagement In Physical Activity And Sedentary Behaviors Of Us College Students, Ale Quartiroli, Hotaka Maeda
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 87-97, 2014. Although the importance of promoting physical activity is well established, researchers have recently considered “sedentary behaviors” as another key risk factor for chronic disease.However, little is known about the motivational processes regulating sedentary behavior on a daily basis. A substantial amount of research has been based on the self-determination theory to examine the motivational processes regulating physical activity behaviors. However, only limited attention has been paid to sedentary behaviors from this theoretical perspective. This study aims to identify and understand motivational aspects related to sedentary behavior from a self-determination perspective. A …
Psychosocial Factors Related To Children’S Active School Travel: A Comparison Of Two European Regions, David Mcminn, David A. Rowe, Shemane Murtagh, Norah M. Nelson, Ivan Čuk, Almir Atiković, Mojca Peček, Gavin Breslin, Elaine M. Murtagh, Marie H. Murphy
Psychosocial Factors Related To Children’S Active School Travel: A Comparison Of Two European Regions, David Mcminn, David A. Rowe, Shemane Murtagh, Norah M. Nelson, Ivan Čuk, Almir Atiković, Mojca Peček, Gavin Breslin, Elaine M. Murtagh, Marie H. Murphy
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 75-86, 2014. Inequalities in health-behaviors exist between regions of Europe, along a North West/South East axis. This study investigated whether prevalence of walking to school and associated psychosocial antecedents differed between these two European regions. Participants were 1,263 children aged 7-11 years, from five countries. Children from North West Europe (n = 641) and South East Europe (n = 622) completed a school travel questionnaire that measured demographics, school commuting mode, travel companion, feelings about their local area, and Theory of Planned Behavior (TPB) variables related to walking to school. Multivariate analysis of …
The Lived Experience Of An In-Season Concussion Amongst Ncaa Division I Student-Athletes, Matthew S. Moreau, Jody L. Langdon, Thomas A. Buckley
The Lived Experience Of An In-Season Concussion Amongst Ncaa Division I Student-Athletes, Matthew S. Moreau, Jody L. Langdon, Thomas A. Buckley
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 62-74, 2014. The clinical presentation and recovery from a sports-related concussion has been well-documented in the sports medicine literature; however, the post-injury experience of the injured individual has been largely unexplored. Therefore, the purpose of this study was to examine collegiate student-athletes’ lived experiences of an in-season concussion. Four NCAA Division I student-athletes who suffered an in-season concussion were interviewed utilizing an existential phenomenological approach to capture the lived experience of the injury. Five major themes developed from the participants’ experiences: 1) symptoms and emotional response to injury, 2) experiences of concussion testing, …
The Effect Of Music As A Motivational Tool On Isokinetic Concentric Performance In College Aged Students, Maurice M. Godwin, Ronnette T. Hopson, Carley K. Newman, Timothy J. Leszczak
The Effect Of Music As A Motivational Tool On Isokinetic Concentric Performance In College Aged Students, Maurice M. Godwin, Ronnette T. Hopson, Carley K. Newman, Timothy J. Leszczak
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 54-61, 2014. Music has been identified as a motivational tool in physical activity and associated with improved performance in aerobic and anaerobic exercise. However, the effects of music on isokinetic strength testing have not been examined. The purpose of this study was to measure the difference in lower limb isokinetic force output in males and females when exposed to a motivational environment (arousing music) and non-motivational environment (silence). A 2 x 2 analysis of variance (group x gender) was used with participants (n = 19; 12 male, 7 female) serving as their …
Determination Of Anaerobic Threshold By Heart Rate Or Heart Rate Variability Using Discontinuous Cycle Ergometry, Sung Wook Park, Michael T. Brenneman, William H. Cooke, Alberto Cordova, Donovan L. Fogt
Determination Of Anaerobic Threshold By Heart Rate Or Heart Rate Variability Using Discontinuous Cycle Ergometry, Sung Wook Park, Michael T. Brenneman, William H. Cooke, Alberto Cordova, Donovan L. Fogt
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 45-53, 2014. The purpose was to determine if heart rate (HR) and heart rate variability (HRV) responses would reflect anaerobic threshold (AT) using a discontinuous, incremental, cycle test. AT was determined by ventilatory threshold (VT). Cyclists (30.6±5.9y; 7 males, 8 females) completed a discontinuous cycle test consisting of 7 stages (6 min each with 3 min of rest between). Three stages were performed at power outputs (W) below those corresponding to a previously established AT, one at W corresponding to AT, and 3 at W above those corresponding to AT. The W at …
Effect Of Upper- And Lower-Body Vibration On Recovery, Muscle Soreness And Performance, Svetlana Nepocatych, Gytis Balilionis, Phillip A. Bishop
Effect Of Upper- And Lower-Body Vibration On Recovery, Muscle Soreness And Performance, Svetlana Nepocatych, Gytis Balilionis, Phillip A. Bishop
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 33-44, 2014. The purpose of this study was to compare three types of recovery methods: control (CON), lower-body vibration (LBV) and upper-body vibration (UBV) on upper-body performance, perceived recovery, and muscle soreness. Eight physically active male volunteers participated in the study. In a crossover study design, participants completed three sets of push-ups to fatigue, a given recovery treatment, and two upper-body Wingate Anaerobic Tests to assess peak and mean anaerobic power. Rating of perceived exertion (RPE), and heart rate (HR) were measured after fatiguing exercise, the recovery treatment and maximal performance test. In …
Wii, Kinect, & Move. Heart Rate, Oxygen Consumption, Energy Expenditure, And Ventilation Due To Different Physically Active Video Game Systems In College Students., Krista C. Scheer, Sarah M. Siebrandt, Gregory A. Brown, Brandon S. Shaw, Ina Shaw
Wii, Kinect, & Move. Heart Rate, Oxygen Consumption, Energy Expenditure, And Ventilation Due To Different Physically Active Video Game Systems In College Students., Krista C. Scheer, Sarah M. Siebrandt, Gregory A. Brown, Brandon S. Shaw, Ina Shaw
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 22-32, 2014. Nintendo Wii, Sony Playstation Move, and Microsoft XBOX Kinect are home video gaming systems that involve player movement to control on-screen game play. Numerous investigations have demonstrated that playing Wii is moderate physical activity at best, but Move and Kinect have not been as thoroughly investigated. The purpose of this study was to compare heart rate, oxygen consumption, and ventilation while playing the games Wii Boxing, Kinect Boxing, and Move Gladiatorial Combat. Heart rate, oxygen consumption, and ventilation were measured at rest and during a graded exercise test in 10 …
The Effects Of Proprioceptive Neuromuscular Facilitation Stretching On Post-Exercise Delayed Onset Muscle Soreness In Young Adults, Ryan P. Mcgrath, James R. Whitehead, Dennis J. Caine
The Effects Of Proprioceptive Neuromuscular Facilitation Stretching On Post-Exercise Delayed Onset Muscle Soreness In Young Adults, Ryan P. Mcgrath, James R. Whitehead, Dennis J. Caine
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 14-21, 2014. Until recently, the scientific community believed that post-exercise stretching could reduce delayed onset muscle soreness (DOMS), but recent reviews of studies on the topic have concluded that pre- or post-exercise static stretching has no effect on mitigating DOMS. However, the effect of proprioceptive neuromuscular facilitation (PNF) post-exercise stretching on preventing DOMS has not been adequately studied. The purpose of this study was to determine the effect of post-exercise PNF stretching on DOMS. Young adult participants (N=57) were randomly assigned to a PNF stretching group (n=19), a static stretching group (n=20), and …
Comparison Of Academic And Behavioral Performance Between Athletes And Non-Athletes, James Eldridge‡, Ty B. Palmer†, Kyle Gillis†, Richard Lloyd‡, William G. Squires‡, Tinker D. Murray‡
Comparison Of Academic And Behavioral Performance Between Athletes And Non-Athletes, James Eldridge‡, Ty B. Palmer†, Kyle Gillis†, Richard Lloyd‡, William G. Squires‡, Tinker D. Murray‡
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 3-13, 2014. The Toronto Charter for Physical Activity (2010) and several national physical activity plans advocate sports participation as an important part of population targeted physical activity for youth. Emerging research evidence also suggests that sports participation during adolescents is linked to significant positive correlations with academic and behavioral performance. The purpose of this study was to compare academic and behavioral performance between male and female public school athletes (Total N=11,139; 38% Female) and non-athletes (Total N=23,891; 52% Female) in a convenient, ethnicity diverse, sample (grades 7 -12) from the state of Texas …
2013 International Journal Of Exercise Science Reviewer List
2013 International Journal Of Exercise Science Reviewer List
International Journal of Exercise Science
International Journal of Exercise Science 7(1) : 1-2, 2013.
Carbohydrate Mouth Rinse Improves 1.5 H Run Performance: Is There A Dose-Effect?, Benjamin F. Wright, Glen Davison
Carbohydrate Mouth Rinse Improves 1.5 H Run Performance: Is There A Dose-Effect?, Benjamin F. Wright, Glen Davison
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 328-340, 2013. There is a substantial body of recent evidence showing ergogenic effects of carbohydrate (CHO) mouth rinsing on endurance performance. However, there is a lack of research on the dose-effect and the aim of this study was to investigate the effect of two different concentrations (6% and 12% weight/volume, w/v) on 90 minute treadmill running performance. Seven active males took part in one familiarization trial and three experimental trials (90-minute self-paced performance trials). Solutions (placebo, 6% or 12% CHO-electrolyte solution, CHO-E) were rinsed in the mouth at the beginning, and at 15, …
The Influence Of Start Position, Initial Step Type, And Usage Of A Focal Point On Sprinting Performance, Jennifer L. Dysterheft, William J. Lewinski, Dawn A. Seefeldt, Robert W. Pettitt
The Influence Of Start Position, Initial Step Type, And Usage Of A Focal Point On Sprinting Performance, Jennifer L. Dysterheft, William J. Lewinski, Dawn A. Seefeldt, Robert W. Pettitt
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 320-327, 2013. For many athletes, sprinting acceleration is vital to sport performance. The purpose of this study was to observe the influences of starting position, type of initial step taken, and a focal point on sprinting velocity, stride length, and acceleration over a 9.1 m distance. Two trials of four conditions were video recorded in which subjects had no focal point (n = 10) or a lateral focal point (n = 9). The four conditions were: forwards (control), backwards, 90° left (90°L), and 90° right (90°R). Lower velocities (p > 0.05) were …
Evaluating Acute Changes In Joint Range-Of-Motion Using Self-Myofascial Release, Postural Alignment Exercises, And Static Stretches, Derek S. Roylance, James D. George, Adam M. Hammer, Nicole Rencher, Gilbert W. Fellingham, Ronald L. Hager, William J. Myrer
Evaluating Acute Changes In Joint Range-Of-Motion Using Self-Myofascial Release, Postural Alignment Exercises, And Static Stretches, Derek S. Roylance, James D. George, Adam M. Hammer, Nicole Rencher, Gilbert W. Fellingham, Ronald L. Hager, William J. Myrer
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 310-319, 2013. This study was designed to compare the acute effect of self-myofascial release (SMR), postural alignment exercises, and static stretching on joint range-of-motion. Our sample included 27 participants (n = 14 males and n = 13 females) who had below average joint range-of-motion (specifically a sit-and-reach score of 13.5 inches [34.3 cm] or less). All were university students 18–27 years randomly assigned to complete two 30–40-minute data collection sessions with each testing session consisting of three sit-and-reach measurements (which involved lumbar spinal flexion, hip flexion, knee extension, and ankle dorsiflexion) interspersed with …
Increasing The Distance Of An External Focus Of Attention Has Limited Effects On Standing Long Jump Performance, William Westphal, Jared M. Porter
Increasing The Distance Of An External Focus Of Attention Has Limited Effects On Standing Long Jump Performance, William Westphal, Jared M. Porter
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 300-309, 2013. Several previous studied have demonstrated that adopting an external focus of attention (i.e., directing attention towards the result of the movement) improves the performance of a variety of motor skills. The objective of this study was to investigate if increasing the distance of an external focus of attention would further improve standing long jump performance. We hypothesized that as the distance of the external focus increased so would jumping distance. We also hypothesized that when subjects completed jumps in the external focus of attention conditions they would jump significantly further than …
Biomechanical And Proprioceptive Differences During Drop Landings Between Dancers And Non-Dancers, Katie E. Volkerding, Caroline J. Ketcham Ph.D.
Biomechanical And Proprioceptive Differences During Drop Landings Between Dancers And Non-Dancers, Katie E. Volkerding, Caroline J. Ketcham Ph.D.
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 289-299, 2013. The focus of this research was to determine if female dancers have differing kinematic and kinetic characteristics when landing from three heights (0.2, 0.5, and 0.8 m) both with and without vision compared to non-dancers. It was hypothesized that dancers would show differing kinematic and kinetic patterns of control due to their increased proprioceptive awareness. Eight collegiate dancers and seven collegiate controls who were neither dancers nor collegiate jumping athletes volunteered for this study. Sagittal plane lower limb joint angles were measured at 100 Hz prior to landing through stability with …
Upper Body Muscular Activation During Variations Of Push-Ups In Healthy Men, Caroline C. Allen, Katie A. Dean, Alan P. Jung, John K. Petrella
Upper Body Muscular Activation During Variations Of Push-Ups In Healthy Men, Caroline C. Allen, Katie A. Dean, Alan P. Jung, John K. Petrella
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 278-288, 2013. The purpose of this study was to assess neural activity for upper body musculature in college-age men during repetitions of a conventional pushup or a Perfect PushupTM. Eighteen healthy men (21.6±1 yr, 182.5±7 cm, 87.4±15 kg) completed five repetitions of a conventional pushup and Perfect PushupTM while using a wide hand base of support for the upper body. Body position, hand placement, and cadence of the pushup were standardized. Root mean square electromyography (RMS-EMG, mV/Sec) was collected for the triceps brachii (TB), pectoralis major (PM), serratus anterior (SA), …
Comparisons Between Swing Phase Characteristics Of Race Walkers And Distance Runners, Laura C. Smith, Brian Hanley
Comparisons Between Swing Phase Characteristics Of Race Walkers And Distance Runners, Laura C. Smith, Brian Hanley
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 269-277, 2013. The aim of this study was to analyze swing characteristics during race walking and to compare these with distance running. The rules of race walking demand that no visible flight time should occur and the stance leg must be straightened from initial contact to midstance. Previous research has not examined whether these rules also have an effect on swing and what consequences might arise. Ten male race walkers and ten male distance runners walked or ran respectively on an instrumented treadmill for 10 km with two in-dwelling force plates. Trials lasted …
Attitudes Toward And Preferences For Male And Female Personal Trainers, James P. Fisher, Catherine Platts, Marie Stopforth
Attitudes Toward And Preferences For Male And Female Personal Trainers, James P. Fisher, Catherine Platts, Marie Stopforth
International Journal of Exercise Science
International Journal of Exercise Science 6(4) : 256-268, 2013. Previous research has considered the perceptions of athletes towards gender of coach and strength and conditioning coach. However, to date there appears little research considering the perceptions of clients towards gender of personal trainer. The purpose of this study was to investigate male and females perceptions of same- or opposite-gender personal trainers. Four hundred and two (male = 201, female = 201) undergraduate University student participants completed an adapted version of the Attitudes of Athletes toward Male versus Female Coaches Questionnaire (AAMFC-Q; 23). A 2 x 2 multivariate analysis of variance …
Acquisition Delays Affect Lymphocyte Subset Counts But Not Markers Of Exercise-Induced Apoptosis, Holly B. Kell, Guilherme Borges Pereira, Ramires Alsamir Tibana, Michael Jarrett, Mark A. Schafer, Jonato Prestes, Antonio Santo, James W. Navalta
Acquisition Delays Affect Lymphocyte Subset Counts But Not Markers Of Exercise-Induced Apoptosis, Holly B. Kell, Guilherme Borges Pereira, Ramires Alsamir Tibana, Michael Jarrett, Mark A. Schafer, Jonato Prestes, Antonio Santo, James W. Navalta
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 250-255, 2013. With the emergence of shared facilities, the possibility of a processing delay is increased as time on instrumentation becomes less available. The purpose of this investigation was the evaluate the effect of a 24h time delay on lymphocyte subset concentration, as well as for the apoptotic marker annexin V. Fourteen healthy individuals completed an incremental treadmill test to exhaustion, and blood samples were obtained before and after exercise. The samples were labeled in duplicate with mixtures consisting of flow cytometry staining buffer, the biomarker for early-phase cell death (annexin V), and …
Activity-Specific Effects Of Fatigue Protocols May Influence Landing Kinematics: A Pilot Study, Adrian Chavez, Duane Knudson, Rod Harter, Kevin Mccurdy
Activity-Specific Effects Of Fatigue Protocols May Influence Landing Kinematics: A Pilot Study, Adrian Chavez, Duane Knudson, Rod Harter, Kevin Mccurdy
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 242-249, 2013. Fatigue is a common neuromuscular factor examined in relation to risk of ACL injury. Unfortunately, variations between the protocols used to induce fatigue in studies examining this phenomenon may have contributed to reported inconsistencies in the effects of fatigue on movements with high-risk of ACL injury. In addition, the ecological validity of fatigue experienced as a result of protocols commonly administered in the experimental setting is unclear. The purpose of this study was to examine the ecological validity, using basketball competition as the criterion measure, of two fatigue protocols commonly used …
Manuscript Has Been Retracted, Michael Smith, Nicholas Hanson, Alexander Lucas, Steven Devor
Manuscript Has Been Retracted, Michael Smith, Nicholas Hanson, Alexander Lucas, Steven Devor
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 236-241, 2013. Manuscript has been retracted.
Children And Pedometers: A Study In Reactivity And Knowledge, Steven L. Prewitt, James C. Hannon, Timothy A. Brusseau
Children And Pedometers: A Study In Reactivity And Knowledge, Steven L. Prewitt, James C. Hannon, Timothy A. Brusseau
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 230-235, 2013. Pedometers are simple inexpensive tools that are widely used for the measurement of physical activity. Reactivity is always a concern when using pedometers. An issue not yet addressed is the role previous knowledge has on the impact of reactivity. The primary purpose of this study was to examine if reactivity exists in 4th-6th grade students and if prior knowledge about pedometers had an effect on reactivity. Participants included 109 (54 females) 4th- 6th grade students from a suburban charter school. Prior to data collection, students …
Measuring Activity Energy Expenditure: Accuracy Of The Gt3x+ And Actiheart Monitors, David Mcminn, Rijan Acharya, David A. Rowe, Stuart R. Gray, Julia L. Allan
Measuring Activity Energy Expenditure: Accuracy Of The Gt3x+ And Actiheart Monitors, David Mcminn, Rijan Acharya, David A. Rowe, Stuart R. Gray, Julia L. Allan
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 217-229, 2013. The purpose was to determine the accuracy of the GT3X+ and Actiheart monitors for estimating energy expenditure (EE) and steps. Additionally, to investigate agreement between waist- and wrist-mounted GT3X+ EE outputs. Nineteen participants (mean age=30) completed three treadmill walking trials at self-selected slow, medium, and fast speeds while wearing two GT3X+ (waist and wrist) and an Actiheart. Activity monitor EE was compared to indirect calorimetry criterion EE using Pearson correlations and ANOVAs. A Bland-Altman plot was used to investigate agreement between GT3X+ waist- and wrist-determined EE. GT3X+ determined steps were compared …
Preseason And Post Season Body Composition Does Not Change Relative To Playing Time In Division I Female Basketball Players, Emma Ladwig, Andrew L. Shim, Jae P. Yom, Patrick Cross, Justin Beebe
Preseason And Post Season Body Composition Does Not Change Relative To Playing Time In Division I Female Basketball Players, Emma Ladwig, Andrew L. Shim, Jae P. Yom, Patrick Cross, Justin Beebe
International Journal of Exercise Science
International Journal of Exercise Science 6(3) : 208-216, 2013. The purpose of the study was to determine if preseason and postseason body fat percentages (BF%) change relative to playing time in Division I women’s basketball players. Subjects for the study included 11 National Collegiate Athletic Association (NCAA) Division I female collegiate basketball athletes over the age of 18 from a Midwest public university. Demographic data of each subject (age 20.09 +1.81 yrs., weight 71.13 +10.85 kg., height 176.48 + 8.33 cm.) was taken before the initial body fat assessment. The subjects underwent preseason and postseason BOD POD® testing to …