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International Journal of Exercise Science

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https://read.qxmd.com/read/30761209/state-population-influences-athletic-performance-combine-test-scores-in-high-school-aged-american-football-players
#1
Zachary M Gillen, Marni E Shoemaker, Brianna D McKay, Joel T Cramer
This study compared athletic performance differences among high school American football combine participants originating from states of different population sizes. High school-aged American football players (n=7,214) who had participated in athletic performance combines between March 2015 and January 2016 were included in this analysis. Data included combine date and location, school state of origin, football position, class, height, weight, 10-, 20-, and 40-yd dash times, pro-agility, L-cone drill, vertical jump, broad jump, and power push-up...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761208/beyond-peak-a-simple-approach-to-assess-rowing-power-and-the-impact-of-training-a-technical-report
#2
Julian D Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O'Neill, Stephen J Ives
Recently, rowing power has been shown to be a key determinant of rowing performance. However, rowing power testing can vary greatly, and is not standardized. Here we sought to evaluate rowing power over a 15 sec rowing test utilizing a stroke-by-stroke analysis before and after 4 weeks of training in youth rowers. Methods: 18 adolescent male rowers were assigned to complete either 4 weeks of plyometric training (PLYO, n=9), or steady state cycling (Control, n=9), for 30 minutes before on water training three days/week...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761207/passion-for-exercise-passion-s-relationship-to-general-fitness-indicators-and-exercise-addiction
#3
Alexander T Bureau, Lindsey C Blom, Jocelyn Bolin, Paul Nagelkirk
Research into the Dualistic Model of Passion (DMP) has suggested that a harmonious passion for an activity is related to more positive outcomes (e.g., higher well-being and satisfaction with life), and an obsessive passion for an activity is related to negative and less adaptive outcomes (e.g., lower self-esteem and burnout; 37, 40, 43). The current study demonstrated differences between passion types (i.e., harmonious passion, obsessive passion, no passion) in terms of physical fitness, risk of exercise addiction, frequency of exercise, and perceptions of exercise...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761206/impact-of-positive-and-negative-motivation-and-music-on-jump-shot-efficiency-among-naia-division-i-college-basketball-players
#4
Ali Boolani, Jeremy Lackman, Timothy Baghurst, John L Larue, Matthew Lee Smith
The objective of this study was to determine whether music, positive feedback, and/or negative feedback impacted jump shooting performance in NAIA Division I male and female basketball players. Using a cross-over design, participants (N=20) took 50 shots from 15 feet and 50 shots from the 3-point line under four conditions (silence, music, positive feedback, negative feedback). The number of shots made were recorded and a one-way ANOVA was used to determine differences between gender. Repeated measures ANOVAs were used to determine differences between conditions in shooting performance and to identify differences in gender by condition...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761205/concordance-among-bioelectrical-impedance-analysis-measures-of-percent-body-fat-in-athletic-young-adults
#5
Benjamin Michael Carrion, Ashley Wells, Jerry L Mayhew, Alexander Joseph Koch
The purpose of this investigation was to determine the agreement among three bioelectrical impedance analysis devices (BIA) in athletic young adults. Fifty-one participants (26 men and 25 women) were assessed for percent body fat (PBF) using an arm-to-arm bipolar single-frequency device (ABIA), a leg-to-leg single-frequency device (LBIA), and an octopolar multi-frequency BIA device (MFBIA). PBF was measured with the three devices in a randomized, counterbalanced order. Repeated measures ANOVA revealed significant ( p < 0...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761204/the-energy-expenditure-of-tinikling-a-culturally-relevant-filipino-dance
#6
Daniel P Heil, Alona D Angosta, Wei Zhu, Rhigel Alforque-Tan
Filipino Americans have higher risks for developing cardiovascular disease than many other U.S. minority groups and Caucasians. As a precursor to developing a culturally-relevant physical activity (PA) intervention targeting high-risk Filipino Americans, this study sought to evaluate the energy cost and intensity of Tinikling, or bamboo dance, a popular type of Philippine folk dance. These energy cost values were directly compared to the moderate-to-vigorous PA (MVPA) cut-points commonly used to define the PA guidelines...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761203/value-of-wellness-ratings-and-countermovement-jumping-velocity-to-monitor-performance
#7
Michael T Brasch, Kevin L Neeld, Kristen F Konkol, Robert W Pettitt
This study examined the relationship between subjective ratings of overall wellness and neuromuscular performance throughout a 6-week intensive offseason strength and conditioning program. Thirty experienced NCAA Division II baseball players completed all phases of the program. A comprehensive wellness rating and 5 countermovement jumps (CMJ5) were measured and averaged for 4 phases of training. Pre- and post-testing measures of strength and speed also were evaluated. Internal consistency of the wellness rating for each phase ranged α = 0...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761202/ergogenic-effect-of-neuromuscular-electrical-stimulation-during-rest-and-submaximal-exercise
#8
Wayland Tseh, Hollie M Champion, Susanna Ek, Will R Frazier, Anna E Kinslow, Caroline W McClain, Tiago V Barreira
The primary aim of this investigation was to determine the ergogenic effect of neuromuscular electrical stimulation (NMES) amongst twenty apparently healthy males during submaximal exercise. In Session 1, 20 participants (Age = 35.0 ± 15.0 yrs; Height = 179.9 ± 8.5 cm; Body Mass = 85.4 ± 12.0 kg) were familiarized with all equipment. Sessions 2-4 included the following randomized 5-min trials a) Rest and Rest+NMES, b) Rest, Arms-Only, Arms+NMES, and c) Rest, Arms+Legs, Arms+Legs+NMES. Physiological variables collected during rest and submaximal exercise were volume of oxygen (VO2 ), heart rate (HR), systolic and diastolic blood pressure (SBP and DBP), respiratory exchange ratio (RER), and rate pressure product (RPP)...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761201/profiling-the-occupational-tasks-and-physical-conditioning-of-specialist-police
#9
Shane Irving, Robin Orr, Rodney Pope
Specialist police are required to perform high risk and dangerous tasks that are physically demanding. The aims of this study were to establish the natures and contexts of tasks performed by specialist police officers and to explore the physical fitness regimes they undertake to maintain their operational fitness for these tasks. A survey approach was employed and members of operational units of the Australian and New Zealand Police Tactical Groups (PTG) participated in the survey. A total of nine (100%) PTG units cooperated, with 132 respondents (31% of the PTG operational members) from these units completing the online survey...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761200/the-effect-of-cuff-width-for-determining-limb-occlusion-pressure-a-comparison-of-blood-flow-restriction-devices
#10
Alyssa M Weatherholt, William R Vanwye, Jackie Lohmann, Johnny G Owens
The purpose of this study was to compare the standing lower extremity limb occlusion pressure (LOP) between two units. It was hypothesized that the Delfi unit, which utilizes a wider cuff (11.5 cm), would require significantly less LOP as compared to the KAASTU unit, which utilizes a narrow cuff (5 cm). Twenty-nine healthy participants (22 men, 7 women) mean age 24 years old (± 1.7 SD) volunteered. The procedure was identical for each cuff, completed with 5 minutes of rest in between. The cuff was placed on the proximal left thigh in the standing position...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761199/comparing-the-changes-in-blood-pressure-after-acute-exposure-to-tai-chi-and-walking
#11
Stephen A Maris, Christa R Winter, Vincent J Paolone, Samuel A E Headley
Hypertension is a major health concern throughout the United States and is a major cause of cardiovascular disease. The purpose of this study was to compare the responses of Tai Chi and walking on measures of central and peripheral cardiac mechanisms when controlling for exercise intensity. Fifteen hypertensive subjects (2 males, 13 females; age = 20.7 ± 3.77 years; body fat = 24.26 ± 10.27%) participated in Tai Chi (TC) and walking (WK) for 30 minutes on non-consecutive days. Central systolic (CSBP) and diastolic blood pressure (CDBP), augmentation index (Alx), pulse pressure (PP), heart rate (HR), and brachial systolic (BSBP) and diastolic blood pressure (BDBP) were measured prior to exercise and following exercise every 10 minutes for a total of 60 minutes in a seated position...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761198/functional-movement-analysis-before-and-after-instrument-assisted-soft-tissue-mobilization
#12
Alejandro J Gamboa, Derik R Craft, Jose A Matos, Tania S Flink, Rebecca L Mokris
This study examined the effects of instrument-assisted soft tissue mobilization (IASTM) on ankle range of motion in college athletes. Twenty-five Division II college athletes (18-24 yrs) were randomly selected into two groups: experimental group ( n = 11) and control group ( n = 14). Baseline measurements for both groups included an initial squat assessment, which measured ankle dorsiflexion during the movement, followed by IASTM with ankle rehabilitation exercises, and a secondary squat assessment. During the following week, the experimental group participated in an additional IASTM with rehabilitation session and squat test, while the control group performed a squat test with no treatment...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761197/a-validation-study-of-a-noninvasive-lactate-threshold-device
#13
Rebecca M McMorries, Dustin P Joubert, Eric J Jones, Mark D Faries
The lactate threshold is considered a key marker of endurance exercise performance and identification of this threshold is important in writing an exercise training program. Unfortunately, assessment of the lactate threshold has traditionally required venous or capillary blood samples and a specialized meter to assess blood lactate concentrations. Recently, a consumer grade, non-invasive device was developed to determine muscle oxygenation and estimate the lactate threshold. Purpose: The aim of this study was to assess the validity of a noninvasive lactate threshold device (NID) to determine lactate threshold heart rate (LTHR)...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761196/comparison-of-systolic-blood-pressure-measurements-by-auscultation-and-visual-manometer-needle-jump
#14
Samuel A Trigg, Dalan Abreu, Brenan Bitton-Foronda, Francesca C Foley, Ann L Gibson
Purpose: This study was designed to investigate differences in systolic blood pressure measurements as obtained through auscultation and observation of the visual jump on the manometer. Methods: Men (n = 21; 26.9 ± 7.4 yrs) and women (n = 22; 29.3 ± 13.9 yrs) volunteered to have resting systolic blood pressure (SBP) assessments. During the same cardiac inflation-deflation cycle of traditional sphygmomanometry, the initial visual jump of the manometer needle and first Korotkoff sound heard were recorded...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761195/supplementation-with-a-multi-ingredient-pre-workout-supplement-does-not-augment-resistance-training-adaptations-in-females
#15
Anna Nelson, Clayton L Camic, Carl Foster, Brooke Zajac, Kaela Hoecherl, Jacob Erickson, Andrew R Jagim
Multiple ingredient pre-workout supplements (MIPS) are purported to offer favorable acute metabolic changes potentially leading to improvements in body composition and training adaptations over time. However, there is limited information available regarding the long-term benefits and safety of consuming MIPS, specifically in female populations. Therefore, the purpose of this study was to investigate the effects of pre-workout ingestion on body composition, training adaptations and select markers of clinical health in recreationally active females after 7 weeks of supplementation and resistance training...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761194/agreement-among-six-methods-of-predicting-the-anaerobic-lactate-threshold-in-elite-cross-country-skiers
#16
Sean L Carter, Ian Newhouse
The anaerobic lactate threshold (LTan) is used to prescribe training intensity and measure endurance capacity. The LTan identifies a critical point where small increases in workload result in large increases in blood lactate concentration. LTan is usually predicted through visual inspection of a blood lactate (bLa) vs workload plot. Numerous other methods for predicting LTan exist, and the literature lacks a consensus regarding validity of prediction methods. The purpose of this study was to assess the agreement among visual inspection (VI), maximum distance (Dmax) and modified maximum distance (Dmod) from the lactate curve, Baldari & Guidetti (BG), Dickhuth & Heck (DH) and Keul (K) methods for predicting the LTan...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761193/heart-rate-acquisition-and-threshold-based-training-increases-oxygen-uptake-at-metabolic-threshold-in-triathletes-a-pilot-study
#17
Eric V Neufeld, Jeremy Wadowski, David M Boland, Brett A Dolezal, Christopher B Cooper
Exercise intensity is a critical component of the exercise prescription model. However, current research employing various non-specific exercise intensity protocols have reported wide variability in maximum oxygen uptake (VO2max ) improvement after training, suggesting a present lack of consensus regarding optimal heart rate (fC ) training zones for maximal athletic performance. This study examined the relationship between percentage of time (%time) spent training between the metabolic (VO2 θ) and ventilatory thresholds (VE θ), and the resultant change in markers of aerobic performance...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761192/the-effects-of-submaximal-and-maximal-exercise-on-heart-rate-variability
#18
Cory P Poehling, Tamra L Llewellyn
The purpose of this study was to examine heart rate variability (HRV) at rest, and during submaximal (100 bpm) and maximal exercise in collegiate distance runners. We predicted there would be less HRV during exercise. Eight collegiate runners (19-22 yrs) were recruited for participation. The participants were equipped with a standard Lead II EKG to record HRV at rest. The participants then performed an incremental VO2max test while running on a treadmill. EKG was recorded throughout the exercise test and HRV was later calculated during the submaximal and maximal exercise...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761191/factors-affecting-phd-student-success
#19
REVIEW
Sonia N Young, William R Vanwye, Mark A Schafer, Troy A Robertson, Ashley Vincent Poore
Attrition rates for Doctor of Philosophy (PhD) programs in the United States across the fields of engineering, life sciences, social sciences, mathematics and physical sciences, and humanities range from 36 - 51%. A qualitative literature review indicates certain factors may impact the PhD student's success in completing the program and degree. The factors focused on in this review include the student-advisor relationship, mentorship, and the dissertation process. Although kinesiology doctoral programs are evaluated and ranked by the National Academy of Kinesiology, little information is available exploring kinesiology PhD student success...
2019: International Journal of Exercise Science
https://read.qxmd.com/read/30761190/chronic-ankle-instability-leads-to-lower-extremity-kinematic-changes-during-landing-tasks-a-systematic-review
#20
REVIEW
Aaron Theisen, James Day
Ankle and knee injuries are two of the most common injuries. It has been shown that ankle sprains can lead to chronic ankle instability thereby affecting the function of the ankle. Since the lower extremity is a kinetic chain anything that affects the ankle is thought to affect the knee and hip as well. Changes in lower extremity function associated with chronic ankle instability may predispose patients for non-contact ACL injuries. The purpose of this study was to provide a systematic review of the research done on chronic ankle instability (CAI) and lower extremity kinematics during landing tasks...
2019: International Journal of Exercise Science
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