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Bone Mineral Density And Body Composition Of Division Iii Ncaa Athletes At Southwestern University, Grey D. Wagner, Cole G. Peck Feb 2023

Bone Mineral Density And Body Composition Of Division Iii Ncaa Athletes At Southwestern University, Grey D. Wagner, Cole G. Peck

International Journal of Exercise Science: Conference Proceedings

PURPOSE: To examine the variation of bone mineral density and body composition between athletes of different sports at Southwestern University. METHODS: One hundred and three Division III NCAA athletes at Southwestern University came to the kinesiology lab in a single session to complete a full body DEXA scan using a GE Lunar Prodigy Dexa Bone Densitometer. The athletes’ bone mineral density, body composition data and health history questionnaire were collected. RESULTS: There was a significant difference of t-scores among the men’s sports means (F(6,41) = 5.599, p < 0.001). There was a significant difference of t-scores among the women’s sports means (F(6, 34) = 2.879, p = 0.022). There was no significant difference of % body fat among the men’s sports means (F(6,42) = 1.787, p = 0.125). There was no significant difference of % body fat among the women’s sports means (F(6,35) = 1.301, p = 0.283). CONCLUSION: This study found a significant difference of T-scores between sports but not …

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Physical Activity Influence On Adults With Intellectual And Developmental Disabilities, Shannon M. Dyke, Katelyn E. Whitehead, Vanessa Mikan Phd Feb 2023

Physical Activity Influence On Adults With Intellectual And Developmental Disabilities, Shannon M. Dyke, Katelyn E. Whitehead, Vanessa Mikan Phd

International Journal of Exercise Science: Conference Proceedings

Less than a one-third of adults with Intellectual and Developmental Disabilities (IDD) are meeting national physical activity guidelines (WHO, 2020). Adults with IDD are at risk for developing chronic health related diseases, such as cardiovascular disease, type-2 diabetes, and hypertension earlier in adulthood and typically progress faster than adults without IDD. Physical activity combats these chronic diseases and needs to be introduced to this population in an accessible way. PURPOSE: To determine the influence of physical activity training sessions on balance, flexibility, range of motion, cardiorespiratory fitness, muscular endurance, muscular strength and self-efficacy in a group of individuals with IDD. …

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Correlation Between Grip Strength At Various Arm Orientations And Hitting Performance Metrics Of Division I Collegiate Baseball Players, Jackson C. Maynard, Andrew A. Wolfe, Zane Badmaev, Chad Agor, Micheal Luera, Cheyenne Lavender Feb 2023

Correlation Between Grip Strength At Various Arm Orientations And Hitting Performance Metrics Of Division I Collegiate Baseball Players, Jackson C. Maynard, Andrew A. Wolfe, Zane Badmaev, Chad Agor, Micheal Luera, Cheyenne Lavender

International Journal of Exercise Science: Conference Proceedings

Dominate and non-dominate grip strength (GS) significantly correlated with bat speed (BS) in the sport of baseball. Various arm orientations occur throughout the swing; moreover, additional metrics beyond BS are indicative of baseball hitting performance. The correlation between various GS and hitting outcomes have not been empirically examined. PURPOSE: The aim of the current investigation was to examine the relationship of GS at various arm angles to various hitting performance metrics. METHODS: Division I collegiate baseball players (n = 17; height: 180.92 ± 5.61 cm; weight: 82.1 ± 11.12 kg) performed dominate and non-dominate maximal GS at five …

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Electromyographic Activation Of The Quadriceps During The Concentric Phase Of The Squat, Kase Pennartz, Dakota Harris, Calvin Smith, Lyric Richardson, Micheal Luera Feb 2023

Electromyographic Activation Of The Quadriceps During The Concentric Phase Of The Squat, Kase Pennartz, Dakota Harris, Calvin Smith, Lyric Richardson, Micheal Luera

International Journal of Exercise Science: Conference Proceedings

Mechanical muscle properties such as length-tension relationship in conjunction with electromyography (EMG) allow greater insight into the overall motor coordination. The different morphologies of the quadriceps and their force generating capacities can be quantified through the differences in EMG amplitude. PURPOSE: To examine quadriceps activation during the squat exercise under various intensities. METHODS: Eleven participants (age 18-35; height: 181.1 ± 8.9cm; weight: 97.7 ± 19.1kg) were recruited for this study. Subjects completed three visits, one familiarization and two testing days separated by 48 hours. Ultrasound images were obtained from the three primary leg extensor muscles (vastus lateralis (VL), …

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Effects Of Inducing Post Activation Potentiation On Leg Extensors Using Isotonic Movements, Samuel Ramirez, Dakota Harris, Calvin D. Smith, Kase Pennartz, Micheal Luera Feb 2023

Effects Of Inducing Post Activation Potentiation On Leg Extensors Using Isotonic Movements, Samuel Ramirez, Dakota Harris, Calvin D. Smith, Kase Pennartz, Micheal Luera

International Journal of Exercise Science: Conference Proceedings

Post Activation Potentiation (PAP) has been documented in previous studies as evoking greater muscle activation and velocities in submaximal contractions. Literature has additionally shown that isotonic contractions have increased motor unit activation when compared to isokinetic. PURPOSE: Induce PAP using different interventions and evaluate PAP differences between interventions in the vastus lateralis (VL), rectus femoris (RF), vastus medialis (VM) and evaluate velocity and muscle activation differences. METHODS: 8 recreationally active males (n=8, age = 20.6 ± 1.8, height = 178.2 ± 12.1 cm, weight = 83.2 ± 48.3 kg) with no previous lower extremity injuries completed this study. …

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Implementing Stroke Impact Scale As An Indicator Of Stroke Survivor Recovery, Adam Avalos Feb 2023

Implementing Stroke Impact Scale As An Indicator Of Stroke Survivor Recovery, Adam Avalos

International Journal of Exercise Science: Conference Proceedings

Rehabilitation testing efforts for stroke survivors (SS) have either been generalized or restricted to the physical domain. Conventional testing lacks the capability to accurately identify a wide range of resulting morbidities. PURPOSE: Rehabilitation efforts for stroke survivors (SS) has been generalized and are not specific to the wide range of resulting disabilities. Use of the Stroke impairment Scale (SIS) provides categorical insight into the impact of stroke on individuals. The purpose of the present study was to identify specific categories of impairments in order to develop optimal rehabilitation strategies for each individual. METHODS: Subjects were asked to self-evaluate their recovery …

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Grip Strength Symmetries In Division I College Baseball Pitchers And Hitters, Chad Agor, Andy Wolfe, Zane Badmaev, Cheyenne Lavender, Jackson Maynard, Michael Luera Feb 2023

Grip Strength Symmetries In Division I College Baseball Pitchers And Hitters, Chad Agor, Andy Wolfe, Zane Badmaev, Cheyenne Lavender, Jackson Maynard, Michael Luera

International Journal of Exercise Science: Conference Proceedings

Integrating strength and conditioning coaches and programs for baseball athletes has yielded positive performance outcomes for both hitting and throwing. Among a variety of baseball-specific testing batter, grip strength has shown to significantly correlate with increased swing and throwing velocity. However, no investigations have examined grip strength asymmetries for hitters and pitchers. PURPOSE: The purpose of this study was to examine differences between right and left arm grip strength of baseball pitchers and hitters. METHODS: Division I collegiate baseball players (n = 45, height. (183.52 ± 11.77 cm) weight. (85.96 ± 17.73 kg.) performed dominate and non-dominate maximal grip strength …

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Test Re-Test Reliability Of Motor Unit Action Potential Relationships During Isokinetic Knee Extension, Dakota Harris, Calvin Smith, Kase Pennartz, Samuel Ramirez, Lindsay Rankin, Micheal Luera Feb 2023

Test Re-Test Reliability Of Motor Unit Action Potential Relationships During Isokinetic Knee Extension, Dakota Harris, Calvin Smith, Kase Pennartz, Samuel Ramirez, Lindsay Rankin, Micheal Luera

International Journal of Exercise Science: Conference Proceedings

Decomposition electromyography (EMG) is now capable of examining relationships between motor unit (MU) firing behaviors during dynamic movements. However, reliability across testing sessions has yet to be established within the quadriceps group during controlled isokinetic contractions. PURPOSE: To examine test re-test reliability of MU identification and firing behaviors of the knee extensor muscles during isokinetic contractions. METHODS: Nine (22.67 ± 1.17 yrs., 172.47 ± 5.43 cm, 77.75 ± 10.72 kg) recreationally active individuals randomly performed ten continuous knee extension contractions at 60°/s and 180°/s on two separate visits. Surface EMG was used to record activation in the vastus medialis (VM), …

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Relationships Between Anthropometric Variables And The Internal Carotid Blood Flow, Alexandra M. Blades, Jose M. Moris, Ryan Curtis, Christian J. Chang, Vineet K. Paidisetty, Garett Petty, Yunsuk Koh Feb 2023

Relationships Between Anthropometric Variables And The Internal Carotid Blood Flow, Alexandra M. Blades, Jose M. Moris, Ryan Curtis, Christian J. Chang, Vineet K. Paidisetty, Garett Petty, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

Assessment of peak systolic velocity (PSV) of the internal carotid artery (ICA) is utilized to examine stroke-symptomatic individuals for ICA stenosis. While a sedentary lifestyle is a common risk factor for ICA stenosis, a deeper understanding of how body composition affects ICA blood flow could provide insights before symptoms appear. PURPOSE: To examine the relationship between ICA blood flow and body composition variables. METHODS: ICA blood flow was assessed in eight healthy males (21.88 ± 2.25 years) on three different days to control for possible diurnal variability that could affect blood flow. Participants abstained from caffeine and physical activity for …

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Describing Visceral Fat Via Girth And Skinfold Measurements, Ryan C. Curtis Jr., Jose M. Moris, Alexandra Blades, Christian J. Chang, Vineet K. Paidisetty, Garett Petty, Yunsuk Koh Feb 2023

Describing Visceral Fat Via Girth And Skinfold Measurements, Ryan C. Curtis Jr., Jose M. Moris, Alexandra Blades, Christian J. Chang, Vineet K. Paidisetty, Garett Petty, Yunsuk Koh

International Journal of Exercise Science: Conference Proceedings

While girth ratios (GR), such as waist-to-height ratio (WHtR) and waist-to-hip ratio (WHR), and body fat percentage (BF%) have been widely used to describe visceral fat (VF), the applicability of skinfold (SF) measurements has been given less attention for the same purpose. PURPOSE: This study examined the associations between BF%, GR, SF, and VF. METHODS: Sixty healthy participants (38 males and 22 females, age = 21.23 ± 4.37 years, BMI = 24.87 ± 3.02 kg/m2, BF% = 19.70 ± 7.28%) participated in the study. Girth ratios, including WHtR and WHR, were assessed using a Gulick tape specifically at the level …

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The Influence Of Trunk Flexion During Stand-To-Sit On Knee Extensor Eccentric Control And The Relationship Between Eccentric Control And Postural Stability, Mckenna Wehrmann, Linda Steele, Deja Johnson Feb 2023

The Influence Of Trunk Flexion During Stand-To-Sit On Knee Extensor Eccentric Control And The Relationship Between Eccentric Control And Postural Stability, Mckenna Wehrmann, Linda Steele, Deja Johnson

International Journal of Exercise Science: Conference Proceedings

Stand-to-sit (StandTS) is an important functional activity that is done daily. During StandTS, knee extensor eccentric control plays a key role in decelerating the falling momentum for a stable and safe landing. The degree of trunk flexion is an important biomechanics factor to control the vertical downward acceleration of center of mass (CoM) during StandTS. This affects body weight loading on the knee extensors while they are eccentrically lengthening. Thus, manipulation of StandTS trunk flexion angle can modify the knee extensor eccentric control and StandTS landing balance (postural stability). However, the influence of trunk flexion on knee extensor eccentric control …

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Performance Improvements From Heat Acclimation, Heat Acclimatization, Kelvin O. Obazughanmwen, Ryan Dunn, Yasuki Sekiguchi Feb 2023

Performance Improvements From Heat Acclimation, Heat Acclimatization, Kelvin O. Obazughanmwen, Ryan Dunn, Yasuki Sekiguchi

International Journal of Exercise Science: Conference Proceedings

Heat acclimation/acclimatization (HA/HAz) are important heat mitigation strategies that help develop heat tolerance from prolonged and repeated exposure to a hot environment, subsequently improving exercise performance in the heat. PURPOSE: To assess and quantify the magnitude of performance benefits of short- (STHA), medium- (MTHA), and long-term HA (LTHA) in endurance-trained athletes. METHODS: A literature search was conducted in PubMed, SPORTDiscus, Scopus, and Cochrane-Library, with data from 23 studies extracted for analysis. Subgroup analysis distinguished differences in performance and thermoregulatory adaptations between short-, medium- and long-term HA interventions. RESULTS: HA produced significant improvements in time trial performance (Effect …

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The Prevalence Of Burnout And Musculoskeletal Disorders In Physician Associates Students, Maeve E. Gobeyn, Tal Amasay, Randi Cooperman, Vered Arbel, Michelle Etchebaster Feb 2023

The Prevalence Of Burnout And Musculoskeletal Disorders In Physician Associates Students, Maeve E. Gobeyn, Tal Amasay, Randi Cooperman, Vered Arbel, Michelle Etchebaster

International Journal of Exercise Science: Conference Proceedings

Physician Associate, formerly known as Physician Assistant, (PA) is a growing occupation that originated in the 1960s. Previous research focused on the prevalence of musculoskeletal disorders and burnout in nursing, nursing students, PA, and ubiquitously assumed among many healthcare professionals; however, burnout and musculoskeletal disorders are under-researched in PA students. PURPOSE: To investigate the prevalence of burnout and musculoskeletal disorders in Physician Associate students. METHODS: This study was conducted at a private university in Florida. Twelve PA students participated in the study, nine females and three males (mean age 26.3 ± 1.8 years; mean height 166.6 ± 7.6 …

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Cardiovascular Adaptations Induced By Heat Acclimation/Acclimatization In Endurance Trained Athletes, Ganesh Chetan Tallam, Yasuki Sekiguchi, Ryan Dunn Feb 2023

Cardiovascular Adaptations Induced By Heat Acclimation/Acclimatization In Endurance Trained Athletes, Ganesh Chetan Tallam, Yasuki Sekiguchi, Ryan Dunn

International Journal of Exercise Science: Conference Proceedings

Heat acclimation/acclimatization (HA) is the improvement in heat tolerance that comes from gradually increasing intensity or duration of work in a hot background. HA reduces heat-mediates performance decrements while providing protection against exertional heat illness. PURPOSE: To assess and quantify the magnitude of cardiovascular adaptations induced by heat acclimation/acclimatization in endurance trained athletes. METHODS: A literature search was conducted using PubMed, SPORTDiscus, Scopus, and Cochrane- Library, with data from 23 studies being chosen for analysis. Subgroup analysis determined the differences in cardiovascular adaptations between short (≤7days; MTHA), medium (8-13 days; MTHA), and long-term HA (≥14 days; LTHA). RESULTS …

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Comparing The Effects Of Traditional Physical Activity And Active Video Gaming On Children’S Cognition, Christian Corral, Chia-Chuan Yu, Darla M. Castelli Feb 2023

Comparing The Effects Of Traditional Physical Activity And Active Video Gaming On Children’S Cognition, Christian Corral, Chia-Chuan Yu, Darla M. Castelli

International Journal of Exercise Science: Conference Proceedings

While the beneficial effects of physical activity on cognition are well studied, there is less certainty about how to incorporate cognition-boosting physical activity programs in children’s academic settings. Multiple modalities may be implemented to get children moving, yet more clarity is needed to make these programs as effective as possible. PURPOSE: The purpose of this study was to compare the effects of traditional teacher-led physical activity (TPA) and active video gaming (AVG) on various measures of executive function to gain applicable knowledge that informs school physical activity programs. METHODS: Using a counterbalanced design, 36 preadolescent children (24 male, …

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The Effect Of Dehydration And High-Volume Resistance Exercise On Intracellular And Local Muscular Fluid Shifts - A Pilot Study, Carson Lewis, Nigel Jiwan, Casey Appell, Isabell R. Trevino, Ryanoneil Ellis, Raoul Sterling, Jan-Joseph S. Rolloque, Alan T. Ky, Marcos Keefe, Ryan Dunn, Yasuki Sekiguchi, Hui-Ying Luk Feb 2023

The Effect Of Dehydration And High-Volume Resistance Exercise On Intracellular And Local Muscular Fluid Shifts - A Pilot Study, Carson Lewis, Nigel Jiwan, Casey Appell, Isabell R. Trevino, Ryanoneil Ellis, Raoul Sterling, Jan-Joseph S. Rolloque, Alan T. Ky, Marcos Keefe, Ryan Dunn, Yasuki Sekiguchi, Hui-Ying Luk

International Journal of Exercise Science: Conference Proceedings

Hypertonic hypovolemia (dehydration) could disrupt the balance between extracellular water (ECW) and intracellular water (ICW). Notably, high-volume resistance exercise (RE) accumulates metabolites resulting in acute muscle swelling (increased ICF). However, the impact of hypertonic hypovolemia state on ECW and ICW distribution after RE is not known. PURPOSE: To determine the effect of acute dehydration on fluid balance after RE. METHODS: 7 resistance-trained males completed two identical high-volume RE, separated by two weeks (bilateral leg press and knee extensions exercises [5 sets of 10 repetitions at 80% of 1 repetition maximum]) either in a euhydrated (EH; urine specific gravity [USG] …

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Curcumin Mitigates Neuropathic-Induce Muscle Atrophy By Suppressing Camk2/Nf-Kb Pathway, Casey Appell, Nigel Jiwan, Chwan-Li Shen, Hui-Ying Luk Feb 2023

Curcumin Mitigates Neuropathic-Induce Muscle Atrophy By Suppressing Camk2/Nf-Kb Pathway, Casey Appell, Nigel Jiwan, Chwan-Li Shen, Hui-Ying Luk

International Journal of Exercise Science: Conference Proceedings

Neuropathy can induce inflammation that results in muscle atrophy. Curcumin has been shown to exert an anti-inflammatory effect, preserving muscle mass in diabetic rats. However, the mechanism of curcumin to preserve muscle mass in neuropathy is not known. PURPOSE: To examine the effect of curcumin on the intramuscular inflammation and muscle cross-sectional area (CSA) in a neuropathy rodent model. METHODS: Twelve rats were randomly assigned to three groups: sham (CON), spinal nerve ligation (SNL), and SNL+100curcumin/kg BW (100CUR). The right (R) lumbosacral section (i.e., L5/L6) of the spinal cord was ligated (SNL and 100CUR) or sham surgery (CON) was performed, …

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Does The Analysis Of Separate Bands Of Echo Intensity Strengthen The Relationship To Muscle Function?, Kathryn Southall, Kealey J. Wohlgemuth, Mckenzie M. Hare, Jacob A. Mota Feb 2023

Does The Analysis Of Separate Bands Of Echo Intensity Strengthen The Relationship To Muscle Function?, Kathryn Southall, Kealey J. Wohlgemuth, Mckenzie M. Hare, Jacob A. Mota

International Journal of Exercise Science: Conference Proceedings

Ultrasound echo intensity (EI) has been proposed as a method of assessing muscle quality through the use of non-invasive imaging. Traditionally, EI is assessed as the mean pixel brightness that ranges from 0-255 within an area of interest. However, it may be reasonable to consider that additional portions of the ultrasound EI signal (i.e., bands of signal) may provide novel insight to muscle function. The determination of which band of signal may be more related to a given functional outcome may increase the sensitivity of EI. Thus far, there is no research analyzing the association between EI bands and fatigue. …

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The Effect Of Heat Acclimatization And Heat Acclimation On Endurance Trained Athlete Substrate Utilization, Jacob T. Richardson, Yasuki Sekiguchi, Courteney L. Benjamin, Alan T. Ky, Douglas Casa Feb 2023

The Effect Of Heat Acclimatization And Heat Acclimation On Endurance Trained Athlete Substrate Utilization, Jacob T. Richardson, Yasuki Sekiguchi, Courteney L. Benjamin, Alan T. Ky, Douglas Casa

International Journal of Exercise Science: Conference Proceedings

Heat acclimatization (HAz) and Heat Acclimation (HA) are important strategies to induce thermoregulatory adaptations to mitigate negative impact of heat stress. However, despite improving endurance performance, few studies explore their impact on substrate utilization. PURPOSE: To investigate the effect of HAz and HA on endurance athlete substrate utilization during submaximal exercise in the heat. METHODS: Fourteen endurance-trained male athletes (mean ± SD; age, 33 ± 9 years; body mass, 70.9 ± 10.1 kg; height, 177.7 ± 6.4 cm; VO2max, 59.3 ± 7.4 ml·kg−1·min−1; % body fat, 8.5% ± 3.9%) participated in this …

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Comparative Effects Of Advanced Footwear Technology On Running Economy In Track Spikes And Racing Shoes, Garrett M. Oehlert Feb 2023

Comparative Effects Of Advanced Footwear Technology On Running Economy In Track Spikes And Racing Shoes, Garrett M. Oehlert

International Journal of Exercise Science: Conference Proceedings

Advanced footwear technology, such as highly-cushioned midsoles with carbon-fiber plates, has been shown to improve running economy (RE) in road racing shoes. More recently, similar features have been incorporated into track spikes; however, the impact of advanced spikes on RE has yet to be quantified. Furthermore, there has been no comparison of advanced spikes to advanced shoes. PURPOSE: Quantify the RE benefit of advanced track spikes compared to a control spike and determine whether RE is optimized more in an advanced racing shoe or an advanced track spike. METHODS: Four racing shoes (3 advanced, 1 control) and 3 …

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Effects Of Neuromuscular Electrical Stimulation On Energy Expenditure And Oxygen Consumption, Victoria M. Rocha, Jehu Apaflo, Gabriel Narvaez, Ali Mossayebi, Joshua Labadah, Sudip Bajpeyi Feb 2023

Effects Of Neuromuscular Electrical Stimulation On Energy Expenditure And Oxygen Consumption, Victoria M. Rocha, Jehu Apaflo, Gabriel Narvaez, Ali Mossayebi, Joshua Labadah, Sudip Bajpeyi

International Journal of Exercise Science: Conference Proceedings

Exercise is beneficial to improve metabolic diseases such as obesity and type 2 diabetes. Physical activity results in an increase in energy expenditure (EE) and oxygen consumption due to increased energy demand. Neuromuscular electrical stimulation (NMES) is an alternative strategy to induce muscle contraction. Our previous work have shown that NMES induced muscle contraction can improve metabolic health in an overweight and obese population. However, it is not known whether NMES induced muscle contraction leads to greater energy expenditure. PUPROSE: To determine the effect of NMES induced muscle contraction on energy expenditure and oxygen consumption. METHODS: Eighteen sedentary overweight/obese men …

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The Effect Of Body Composition Methodology On Resulting Energy Availability Assessments, Madelin R. Siedler, Christian Rodriguez, Matthew T. Stratton, Patrick S. Harty, Dale Keith, Jacob Green, Jake Boykin, Sarah White, Abegale D. Williams, Gabrielle Dehaven, Grant M. Tinsley Feb 2023

The Effect Of Body Composition Methodology On Resulting Energy Availability Assessments, Madelin R. Siedler, Christian Rodriguez, Matthew T. Stratton, Patrick S. Harty, Dale Keith, Jacob Green, Jake Boykin, Sarah White, Abegale D. Williams, Gabrielle Dehaven, Grant M. Tinsley

International Journal of Exercise Science: Conference Proceedings

Energy availability (EA) is defined as the total daily energy available to an individual after accounting for that expended during exercise and standardized to fat-free mass (FFM). Generally, EA values less than 30 kcal/kg FFM/day are considered “low” and have been associated with deleterious effects on reproductive and hormonal health in females. However, it is unclear whether the method used to estimate FFM influences the resulting EA values to a degree that may affect interpretation and clinical decision-making. PURPOSE: To determine the effect of FFM values derived from various methods of body composition assessment on the resulting range and interpretation …

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The Influence Of Tabata And Energy Replenishment On Post-Exercise Metabolic Recovery: A Pilot Analysis, Tiffani Neuville, James Rowe Dr, Vivyan Gonzalez Feb 2023

The Influence Of Tabata And Energy Replenishment On Post-Exercise Metabolic Recovery: A Pilot Analysis, Tiffani Neuville, James Rowe Dr, Vivyan Gonzalez

International Journal of Exercise Science: Conference Proceedings

PURPOSE: Compare post-exercise metabolic recovery of individuals who, to recover from Tabata, drink 1) water (W), 2) 100% carbohydrate (CHO), or 3) 65% - 35% protein-carbohydrate (PRO-CHO). METHODS: Participants were recreationally active individuals (n = 21) who performed Tabata (TB) in the form of 1) full body calisthenics (FB) and 2) treadmill running (TR). Participants were randomly assigned to complete TB either with W (n=7), CHO (n=7), or PRO-CHO (n=7). Participants completed each of the three bouts in randomized order on three separate days. One bout involved sitting with no energy replenishment (rest). A second bout had the participants …

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Electrical Stimulation While Resistance Training Leads To Greater Gains In Muscle Mass And Strength, Gabriel Narvaez, Jehu Apaflo, Amy Wagler, Sudip Bajpeyi Feb 2023

Electrical Stimulation While Resistance Training Leads To Greater Gains In Muscle Mass And Strength, Gabriel Narvaez, Jehu Apaflo, Amy Wagler, Sudip Bajpeyi

International Journal of Exercise Science: Conference Proceedings

Resistance training (RT) has long been shown to increase muscle strength and muscle mass and is widely recommended for people of all ages and ability levels. Neuromuscular electrical stimulation (NMES) is an involuntary mode of inducing muscle contractions that has been used to prevent muscle immobility, weakness, strength loss, and muscle loss in rehabilitative settings. However, the additive effects of NMES and RT are not well established. PURPOSE:. To determine if superimposing neuromuscular electrical stimulation during a resistance training intervention elicits greater gains in muscle strength and/or muscle mass than resistance training being performed alone. METHODS: An electronic …

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Effect Of Gait Speed On Knee Extensor Eccentric Control During Unpredictable Abrupt Gait Termination, Linda Steele, Mckenna Wehrmann, Jaci Adams Feb 2023

Effect Of Gait Speed On Knee Extensor Eccentric Control During Unpredictable Abrupt Gait Termination, Linda Steele, Mckenna Wehrmann, Jaci Adams

International Journal of Exercise Science: Conference Proceedings

Unpredictable gait termination is an important and common functional ability to prevent pedestrian accidents and/or falls. To dissipate kinetic energy and recover balance during unpredictable gait termination, knee extensor eccentric control in the stopping leg decelerates forward momentum and absorbs downward ground impact resisting body weight against gravity. Therefore, knee extensor eccentric control plays an important role in balance recovery as the initial defense against falls during unpredictable abrupt gait termination. In real world scenarios, required walking speeds are unpredictable and ever-changing. However, the influence of gait speed on the characteristics of knee extensor eccentric control during unpredictable abrupt gait …

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The Influence Of Different Modes Of Tabata On Post-Exercise Metabolic Recovery, Leroy K. Bolden, Vivyan Gonzalez, Tiffani Neuville, James Rowe Feb 2023

The Influence Of Different Modes Of Tabata On Post-Exercise Metabolic Recovery, Leroy K. Bolden, Vivyan Gonzalez, Tiffani Neuville, James Rowe

International Journal of Exercise Science: Conference Proceedings

PURPOSE: Evaluate post-exercise metabolic recovery of individuals who perform Tabata as 1) full body calisthenics (FB) and 2) treadmill running (TR) and compare those responses to when no exercise is performed (rest). METHODS: Recreationally active men (M) (n=9) and women (W) (n=16) (age=22.1±1.8yrs; body mass=70.2± 14.0 kg; body fat%=28.9±6.9; BMI=24.2±3.8) performed each of 3 bouts on separate days with at least 7 days in between each bout. Rest consisted of sitting quietly for 25 minutes. FB was performing 25 minutes of repeated cycles of body calisthenics at vigorous effort for 20 seconds followed with 10 seconds of rest. TR involved …

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No Differences In Strength Improvements Following Low- Or High-Volume Resistance Training, Katie G. Kennedy, Neil A. Schwarz, Jacob A. Mota, Ryan J. Colquhoun Feb 2023

No Differences In Strength Improvements Following Low- Or High-Volume Resistance Training, Katie G. Kennedy, Neil A. Schwarz, Jacob A. Mota, Ryan J. Colquhoun

International Journal of Exercise Science: Conference Proceedings

Resistance training is a widely used modality for improving muscular strength and reducing risks of injury, which is vital to counteracting physical declines associated with aging and poor health. Despite this, the minimal effective training dose for improving muscular strength has yet to be fully elucidated. PURPOSE: The purpose of this study was to examine the role of training volume (number of sets per session) on muscular strength changes following 8 weeks of progressive resistance training. METHODS: Fourteen and 12 trained males (Mean±SD; Age: 23±3y) and females (Age: 20±1y) participated in 8 weeks of supervised 3x/week progressive resistance …

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Reliability Of Differing Muscle Size And Quality Analysis Techniques, Mckenzie M. Hare, Kealey J. Wohlgemuth, Malia N.M. Blue, Jacob A. Mota Feb 2023

Reliability Of Differing Muscle Size And Quality Analysis Techniques, Mckenzie M. Hare, Kealey J. Wohlgemuth, Malia N.M. Blue, Jacob A. Mota

International Journal of Exercise Science: Conference Proceedings

Brightness-mode (B-mode) ultrasonography is a popular tool to examine anatomical cross-sectional area (ACSA) and echo intensity (EI). Muscle ACSA and EI provide valuable insight into muscle function due to their unique mechanisms which influence performance. Manually analyzing ultrasound images potentially increases variability which may increase error, thus decreasing the reliability of manual image analysis. Recently an automated program was created to improve reliability and reduce the time of ultrasound image analysis. PURPOSE: The purpose of this study was to investigate the reliability of manual compared to automatic ultrasound analyses of muscle cross-sectional area and echo intensity. METHODS: Twenty-two …

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Obesity Contributes To An Attenuated Spontaneous Baroreflex Sensitivity In Ucd-Type 2 Diabetic Rats, Milena Samora, Yu Huo, Richard K. Mcculler, Suchit Chidurala, James Graham, Kimber L. Stanhope, Peter J. Havel D.V.M., Ph.D., Audrey J. Stone, Michelle L. Harrison Feb 2023

Obesity Contributes To An Attenuated Spontaneous Baroreflex Sensitivity In Ucd-Type 2 Diabetic Rats, Milena Samora, Yu Huo, Richard K. Mcculler, Suchit Chidurala, James Graham, Kimber L. Stanhope, Peter J. Havel D.V.M., Ph.D., Audrey J. Stone, Michelle L. Harrison

International Journal of Exercise Science: Conference Proceedings

Previous studies suggest impaired baroreflex function in individuals with type 2 diabetes (T2D), which is critically important since it leads to an increased risk for adverse cardiovascular events. Currently, the underlying mechanisms remain poorly understood. The baroreflex, essential for maintaining blood pressure homeostasis, can also be influenced by several risk factors, one of which is obesity. Obesity has been shown to markedly decrease baroreflex sensitivity (BRS) in non-diabetic individuals, and given that the majority of T2D patients are obese, it is likely that impairment in baroreflex function in T2D is mainly driven by obesity. PURPOSE: To investigate the effects …

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Sex Differences In The Accuracy Of Wut (Weight, Urine Color, Thirst) Diagrams Assessing Hydration Status, Jan-Joseph Rolloque, Marcos Keefe, Nigel Jiwan, Casey Appell, Madison Pomroy, Huiying Luk, Yasuki Sekiguchi Feb 2023

Sex Differences In The Accuracy Of Wut (Weight, Urine Color, Thirst) Diagrams Assessing Hydration Status, Jan-Joseph Rolloque, Marcos Keefe, Nigel Jiwan, Casey Appell, Madison Pomroy, Huiying Luk, Yasuki Sekiguchi

International Journal of Exercise Science: Conference Proceedings

The WUT (Weight, Urine Color, Thirst) Venn diagram is a practical method to assess hydration status using percent body mass loss (%BML), urine color (UCOL), and thirst perception (TP). However, sex differences and the accuracy of WUT diagrams between males and females has not yet been investigated. PURPOSE: To observe sex differences in the accuracy of WUT diagrams assessing hydration status. METHODS: 8 males [M] (age: 21 ± 3; mass: 76.3 ± 15.6 kg) and 5 females [F] (age: 22 ± 2; mass: 60.5 ± 13.6) visited the laboratory twice a day (morning (7:00am-9:00am) and afternoon …

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