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Full-Text Articles in Life Sciences

Aerobic Fitness Markers Associated With Post-Paddling Breath Hold Capacity In Competitive Surfers, Cory J. Greever, Kaden K.L. Groseclose, April L. Denny, Danielle C. Jones Feb 2019

Aerobic Fitness Markers Associated With Post-Paddling Breath Hold Capacity In Competitive Surfers, Cory J. Greever, Kaden K.L. Groseclose, April L. Denny, Danielle C. Jones

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 366-373, 2019. Competitive surfing is a growing sport with evolving performance and safety demands. One particular challenge surfers face is the need to endure long breath-holds following bouts of surf paddling. The purpose of this study was to examine the association between aerobic fitness markers, such as VO2peak and ventilatory thresholds, and post-paddling breath-hold capacity in competitive surfers. Eleven male collegiate level competitive surfers completed both a maximal graded exercise test and a simulated post-paddling breath-hold challenge on a modified paddling ergometer. Associations between markers of aerobic fitness and post-paddling breath-hold capacity ...


The Effects Of Pre-Workout Supplementation On Anaerobic Power And Maintenance Of Power In College Students, Christine T. Herbe, M. Travis Byrd, Taylor K. Dinyer, Brian J. Wallace, Haley C. Bergstrom Feb 2019

The Effects Of Pre-Workout Supplementation On Anaerobic Power And Maintenance Of Power In College Students, Christine T. Herbe, M. Travis Byrd, Taylor K. Dinyer, Brian J. Wallace, Haley C. Bergstrom

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 355-365, 2019. This study examined the effects of Assault™ pre-workout supplementation on peak power output (PP), mean power output (MP), and percent decline in power output (% decline) during repeated, Wingate anaerobic tests. Thirteen healthy, physically active participants (7 male, 6 female) completed the randomized, double-blind, placebo-controlled crossover design with two conditions, supplement and placebo. The participants visited the laboratory for a total of three visits, 2-7 days apart. During visit 1, the participants completed a 4-minute familiarization warm-up on the Monark cycle ergometer and performed one baseline, 30-second Wingate cycle ergometry test. During ...


The Effect Of Foam Rolling Of The Hamstrings On Proprioception At The Knee And Hip Joints, Erin David, Tal Amasay, Kathryn Ludwig, Sue Shapiro Feb 2019

The Effect Of Foam Rolling Of The Hamstrings On Proprioception At The Knee And Hip Joints, Erin David, Tal Amasay, Kathryn Ludwig, Sue Shapiro

International Journal of Exercise Science

International Journal of Exercise Science 12(1): 343-354, 2019. The purpose of this study was to determine the acute effect of hamstring foam rolling on proprioception at the knee and hip joints. Twenty-five participants completed two proprioceptive tests on separate days, in a random order. The joint position matching test used no visual feedback. Participants were verbally guided to a target lunge position, which was maintained for six seconds while right hip and knee angles were recorded. After rest, participants reproduced this position without guidance for six seconds. Three trials were completed at baseline, and zero, 10, and 20 minutes ...


Aaron, Phil (Fa 1247), Manuscripts & Folklife Archives Jan 2019

Aaron, Phil (Fa 1247), Manuscripts & Folklife Archives

FA Finding Aids

Finding aid only for Folklife Archives Project 1247. Student paper titled “The Scarevenger Hunt” in which Phil R. Aaron documents the use of scarecrows throughout Adair County. By using an ad in the local newspaper, a radio ad, and a telephone book, Aaron was able to interview residents about their connections, traditions, and beliefs surrounding the construction, decoration, and implementation of scarecrows. The paper contains photographs of various scarecrows, hand drawn illustrations of charts and data sets, and maps of the research area.


The Effects Of Beetroot Juice On Vo2max And Blood Pressure During Submaximal Exercise, Jose M. Perez, John Dobson, Amy Jo Riggs, Greg Ryan Jan 2019

The Effects Of Beetroot Juice On Vo2max And Blood Pressure During Submaximal Exercise, Jose M. Perez, John Dobson, Amy Jo Riggs, Greg Ryan

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 332-342, 2019. Beetroot juice (BR) has been shown to reduce blood pressure (BP) at rest and improve several performance parameters during exercise. However, the effect of BR on BP during submaximal exercise has not been investigated and its effects on VO2max are inconclusive. The purpose of this study was to investigate the effects of BR on VO2max and BP during submaximal exercise. 20 healthy, recreationally trained volunteers (age 21.8±2.35 years, weight 75.10±10.62 kg, height 177.4±6.39 cm) participated in this study ...


Development Of The Physical Activity Tracking Preference Questionnaire, Emily Fu, Marney A. White, Jaclyn M. W. Hughto, Bella Steiner, Erik Willis Jan 2019

Development Of The Physical Activity Tracking Preference Questionnaire, Emily Fu, Marney A. White, Jaclyn M. W. Hughto, Bella Steiner, Erik Willis

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 297-309, 2019. The present study aims to develop the Physical Activity Tracking Preference Questionnaire (PATPQ), a measure of unit (distance, steps, calories, minutes) preference for tracking physical activity. The PATPQ was developed in two phases. During Phase One, the initial PATPQ was created (24 items), was assessed by an expert panel for face validity, and tested in 557 adults. Results were used to revise and modify the PATPQ. In Phase Two, the item pool was expanded and tested in 374 adults. Kuder‐Richardson Formula 20 scores for internal consistency and interclass correlations for ...


Concordance Among Bioelectrical Impedance Analysis Measures Of Percent Body Fat In Athletic Young Adults, Benjamin M. Carrion, Ashley Wells, Jerry L. Mayhew, Alexander J. Koch Jan 2019

Concordance Among Bioelectrical Impedance Analysis Measures Of Percent Body Fat In Athletic Young Adults, Benjamin M. Carrion, Ashley Wells, Jerry L. Mayhew, Alexander J. Koch

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 324-331, 2019. 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 < 0.001) differences in PBF estimates among all devices (ABIA = 19.1 ± 7.2%, LBIA = 21.6 ±7.5%, and MFBIA = 22.9 ± 8.8%). Pearson’s Correlations revealed a strong relationship between ABIA and MFBIA in both men (r = 0.948) and women (r = 0.947) and a moderately-strong relationship between LBIA and MFBIA (r = 0.870 ...


Effect Of Self-Selected Music On Affective Responses And Running Performance: Directions And Implications, Nile Brandt, Selen Razon Jan 2019

Effect Of Self-Selected Music On Affective Responses And Running Performance: Directions And Implications, Nile Brandt, Selen Razon

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 310-323, 2019. The purpose of this study was to evaluate the effect of different types of music (i.e., self-selected, researcher-selected, and no music) on affective responses to an exercise task and the subsequent running performance, with an untrained population of college students in a field setting. Twenty-seven college students (17 female, 10 male, Mage = 22.11, SD = 5.12), ran one mile on three separate occasions and either listened to self-selected music, music selected by the researcher (i.e., Audiofuel), or no music at all. Affective responses were assessed before, during ...


Minton, John Dean, Sr., 1921-2008 (Mss 660), Manuscripts & Folklife Archives Jan 2019

Minton, John Dean, Sr., 1921-2008 (Mss 660), Manuscripts & Folklife Archives

MSS Finding Aids

Finding aid only for Manuscripts Small Collection 660. Letters written by John D. Minton, Sr. to his brother, Layton Minton, while both were in military service during World War II. The collection also contains a small amount of Minton family correspondence and some vocational agriculture notebooks kept by the brothers while in high school.


Critical Power Concept: Males Vs. Females And The Impact Of Muscle Fiber Composition, Michael A. Kantor, Jessica Albers, Katelyn Weed, Zachary Erickson Jan 2019

Critical Power Concept: Males Vs. Females And The Impact Of Muscle Fiber Composition, Michael A. Kantor, Jessica Albers, Katelyn Weed, Zachary Erickson

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 277-286, 2019. CP describes the highest metabolic rate resulting in complete oxidative energy provision (steady state). Between the heavy and severe domain of exercise, CP will be surpassed, and the finite work capacity known as W' will be used up. The purpose of the study is to test CP and W’ and its relationship in males and females, while assessing type I and II muscle fiber distribution in the leg. A 3 MT and isokinetic leg dynamometer muscle fiber typing protocol of 25 consecutive leg extensions were completed. W' for the sample (n ...


Antioxidant Supplementation Impairs Changes In Body Composition Induced By Strength Training In Young Women, Maurilio T. Dutra, Savio Alex, Alyson F. Silva, Lee E. Brown, Martim Bottaro Jan 2019

Antioxidant Supplementation Impairs Changes In Body Composition Induced By Strength Training In Young Women, Maurilio T. Dutra, Savio Alex, Alyson F. Silva, Lee E. Brown, Martim Bottaro

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 287-296, 2019. Strength training (ST) is known to promote muscle hypertrophy and body composition adaptations. However, only a few studies investigated the effects of ST combined with antioxidant supplementation (AS) on these adaptations. The aim of this study was to investigate chronic effects of ST combined with AS on fat mass (FM) and fat-free mass (FFM) of young women. In a double-blinded design, thirty-three subjects (22.9 ± 2.5 years, 57.7 ± 8.4 kg, 1.6 ± 0.6 m) were allocated into three groups: 1) vitamins (n=12), 2) placebo (n=11 ...


The Effects Of Self-Presentation To Engage In Physical Activity, Duygu Gurleyik, Alison Ede, Deborah Feltz Jan 2019

The Effects Of Self-Presentation To Engage In Physical Activity, Duygu Gurleyik, Alison Ede, Deborah Feltz

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 263-276, 2019. In order to improve physical activity levels, it has previously been suggested that the use of rewards can potentially have an impact on exercise behavior. One type of reward, the opportunity to present a good impression in the eyes of others (e.g., self-presentation), has not been previously examined in an experimental task. Therefore, the purpose of this study was to investigate if linking an exercise task to a prosocial, self-presentational reward in the form of a charitable giving opportunity influences the amount of effort expended in a single bout of ...


State Population Influences Athletic Performance Combine Test Scores In High School-Aged American Football Players, Zachary M. Gillen, Marni E. Shoemaker, Brianna D. Mckay, Joel T. Cramer Jan 2019

State Population Influences Athletic Performance Combine Test Scores In High School-Aged American Football Players, Zachary M. Gillen, Marni E. Shoemaker, Brianna D. Mckay, Joel T. Cramer

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 256-262, 2019. 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. Participants were separated into high- (state population>10,000,000; HIGH; n=2,804 ...


Physiological And Perceptual Responses To High-Intensity Circuit Training Using Body Weight Resistance Exercise: Are There Sex-Specific Differences?, Bethanne A. Clayton, Rachel A. Tinius, Lee J. Winchester, Brenna R. Menke, Michelle C. Reece, Jill Maples Jan 2019

Physiological And Perceptual Responses To High-Intensity Circuit Training Using Body Weight Resistance Exercise: Are There Sex-Specific Differences?, Bethanne A. Clayton, Rachel A. Tinius, Lee J. Winchester, Brenna R. Menke, Michelle C. Reece, Jill Maples

International Journal of Exercise Science

International Journal of Exercise Science 12(4): 245-255, 2019. High-intensity circuit training (HICT) using body weight as resistance is a popular fitness trend and an ideal exercise modality in terms of functionality and economy. Given the popularity of HICT, evidence suggests that sex may elicit unique physiological and perceptual responses to this mode of exercise and there is a need for further work in this area. The purpose of this study was to examine physiological and perceptual responses of females and males to HICT using body weight resistance exercise. Forty-five participants (23 females and 22 males) completed baseline testing and ...


Beyond Peak, A Simple Approach To Assess Rowing Power And The Impact Of Training: A Technical Report, Julian D. Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O’Neill, Stephen Ives Jan 2019

Beyond Peak, A Simple Approach To Assess Rowing Power And The Impact Of Training: A Technical Report, Julian D. Egan-Shuttler, Rohan Edmonds, Cassandra Eddy, Veronica O’Neill, Stephen Ives

International Journal of Exercise Science

International Journal of Exercise Science 12(6): 233-244, 2019. 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. Each group was matched ...


A Validation Study Of A Noninvasive Lactate Threshold Device, Rebecca M. Mcmorries, Dustin P. Joubert, Eric J. Jones, Mark D. Faries Jan 2019

A Validation Study Of A Noninvasive Lactate Threshold Device, Rebecca M. Mcmorries, Dustin P. Joubert, Eric J. Jones, Mark D. Faries

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 221-232, 2019. 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). Methods ...


Comparison Of Systolic Blood Pressure Measurements By Auscultation And Visual Manometer Needle Jump, Samuel A. Trigg, Dalan Abreu, Brenan Bitton-Foronda, Francesca C. Foley, Ann L. Gibson Jan 2019

Comparison Of Systolic Blood Pressure Measurements By Auscultation And Visual Manometer Needle Jump, Samuel A. Trigg, Dalan Abreu, Brenan Bitton-Foronda, Francesca C. Foley, Ann L. Gibson

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 214-220, 2019. 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. Duplicate assessments were made in each arm with 30 sec between intra-arm trials. Results ...


Ergogenic Effect Of Neuromuscular Electrical Stimulation During Rest And Submaximal Exercise, Wayland Tseh Jan 2019

Ergogenic Effect Of Neuromuscular Electrical Stimulation During Rest And Submaximal Exercise, Wayland Tseh

International Journal of Exercise Science

International Journal of Exercise Science 12(3): 203-213, 2019. 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 ...


Supplementation With A Multi-Ingredient Pre-Workout Supplement Does Not Augment Resistance Training Adaptations In Females, Anna Nelson, Clayton L. Camic, Carl Foster, Brooke Zajac, Kaela Hoecherl, Jacob Erickson, Andrew Jagim Jan 2019

Supplementation With A Multi-Ingredient Pre-Workout Supplement Does Not Augment Resistance Training Adaptations In Females, Anna Nelson, Clayton L. Camic, Carl Foster, Brooke Zajac, Kaela Hoecherl, Jacob Erickson, Andrew Jagim

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 187-202, 2019. 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. Nineteen participants participated in a randomized, double-blind, placebo controlled study ...


Agreement Among Six Methods Of Predicting The Anaerobic Lactate Threshold In Elite Cross-Country Skiers, Sean L. Carter, Ian Newhouse Jan 2019

Agreement Among Six Methods Of Predicting The Anaerobic Lactate Threshold In Elite Cross-Country Skiers, Sean L. Carter, Ian Newhouse

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 155-172, 2019. 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 ...


Heart Rate Acquisition And Threshold-Based Training Increases Oxygen Uptake At Metabolic Threshold In Triathletes: A Pilot Study, Eric V. Neufeld, Jeremy Wadowski, David M. Boland, Brett A. Dolezal, Christopher B. Cooper Jan 2019

Heart Rate Acquisition And Threshold-Based Training Increases Oxygen Uptake At Metabolic Threshold In Triathletes: A Pilot Study, Eric V. Neufeld, Jeremy Wadowski, David M. Boland, Brett A. Dolezal, Christopher B. Cooper

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 144-154, 2019. 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 (VO2θ) and ventilatory thresholds (VEθ), and the resultant change in markers of aerobic performance. Thirteen (6 males) collegiate club-level triathletes were ...


Maximal Lactate Steady State And Lactate Thresholds In The Cross-Country Skiing Sub-Technique Double Poling, Johan Jakobsson, Christer Malm Jan 2019

Maximal Lactate Steady State And Lactate Thresholds In The Cross-Country Skiing Sub-Technique Double Poling, Johan Jakobsson, Christer Malm

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 57-68, 2019. The response of blood lactate concentration (BLC) to exercise is a commonly used approach to set training intensities and to determine the anaerobic threshold, which are important in evaluation of endurance exercise performance. The maximal lactate steady state (MLSS) is defined as the highest workload or BLC that can be maintained without continual lactate accumulation over time. The aim of this study was to investigate MLSS in the cross-country skiing sub-technique double poling and to assess the validity of a fixed blood lactate threshold (OBLAand the 45° tangent of the lactate ...


The Effects Of Submaximal And Maximal Exercise On Heart Rate Variability, Cory P. Poehling Jan 2019

The Effects Of Submaximal And Maximal Exercise On Heart Rate Variability, Cory P. Poehling

International Journal of Exercise Science

International Journal of Exercise Science 12(2): 9-14, 2019. 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 ...


Passion For Exercise: Passion's Relationship To General Fitness Indicators And Exercise Addiction, Alexander Bureau, Lindsey C. Blom, Jocelyn E. Bolin, Paul R. Nagelkirk Jan 2019

Passion For Exercise: Passion's Relationship To General Fitness Indicators And Exercise Addiction, Alexander Bureau, Lindsey C. Blom, Jocelyn E. Bolin, Paul R. Nagelkirk

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 122-135, 2019. 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. Sixty-one college students from ...


Profiling The Occupational Tasks And Physical Conditioning Of Specialist Police, Shane Irving, Robin (Rob) Marc Orr, Rodney Pope Jan 2019

Profiling The Occupational Tasks And Physical Conditioning Of Specialist Police, Shane Irving, Robin (Rob) Marc Orr, Rodney Pope

International Journal of Exercise Science

International Journal of Exercise Science 12(3): 173-186, 2019. 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 ...


Impact Of Positive And Negative Motivation And Music On Jump Shot Efficiency Among Naia Division I College Basketball Players, Ali Boolani, Jeremy Lackman, Timothy Baghurst, John L. Larue, Matthew Lee Smith Jan 2019

Impact Of Positive And Negative Motivation And Music On Jump Shot Efficiency Among Naia Division I College Basketball Players, Ali Boolani, Jeremy Lackman, Timothy Baghurst, John L. Larue, Matthew Lee Smith

International Journal of Exercise Science

International Journal of Exercise Science 12(5): 100-110, 2019.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 ...


The Effect Of Cuff Width For Determining Limb Occlusion Pressure: A Comparison Of Blood Flow Restriction Devices, Alyssa Weatherholt, William R. Vanwye, Jackie Lohmann, Johnny Owens Jan 2019

The Effect Of Cuff Width For Determining Limb Occlusion Pressure: A Comparison Of Blood Flow Restriction Devices, Alyssa Weatherholt, William R. Vanwye, Jackie Lohmann, Johnny Owens

International Journal of Exercise Science

International Journal of Exercise Science 12(3): 136-143, 2019. 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 ...


Comparing The Changes In Blood Pressure After Acute Exposure To Tai Chi And Walking., Stephen A. Maris, Vincent J. Paolone, Christa Winter, Samuel Headley Jan 2019

Comparing The Changes In Blood Pressure After Acute Exposure To Tai Chi And Walking., Stephen A. Maris, Vincent J. Paolone, Christa Winter, Samuel Headley

International Journal of Exercise Science

International Journal of Exercise Science 12(3): 77-87, 2019. 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 ...


The Effects Of Ankle Braces On Lower Extremity Electromyography And Performance During Vertical Jumping: A Pilot Study, Zachariah J. Henderson Mr., Paolo Sanzo, Carlos Zerpa, Derek Kivi Jan 2019

The Effects Of Ankle Braces On Lower Extremity Electromyography And Performance During Vertical Jumping: A Pilot Study, Zachariah J. Henderson Mr., Paolo Sanzo, Carlos Zerpa, Derek Kivi

International Journal of Exercise Science

International Journal of Exercise Science 12(1): 15-23, 2019. Ankle braces have been hypothesized to prevent ankle injuries by restricting range of motion (ROM) and improving proprioception at the ankle. As such, ankle braces are commonly worn by physically active individuals to prevent ankle injuries. Despite their widespread use, the effects that ankle braces have on athletic performance measures, such as vertical jumping, remains unclear. Furthermore, although ankle braces are known to restrict normal ROM at the ankle, little is known about the effects that ankle braces have on the lower extremity proximal to the ankle, specifically muscular activation. Therefore ...


Functional Movement Analysis Before And After Instrument-Assisted Soft Tissue Mobilization, Alejandro J. Gamboa, Derik R. Craft, Jose A. Matos, Tania S. Flink, Rebecca L. Mokris Jan 2019

Functional Movement Analysis Before And After Instrument-Assisted Soft Tissue Mobilization, Alejandro J. Gamboa, Derik R. Craft, Jose A. Matos, Tania S. Flink, Rebecca L. Mokris

International Journal of Exercise Science

International Journal of Exercise Science 12(3): 46-56, 2019. 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 ...