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Articles 301 - 321 of 321
Full-Text Articles in Education
Electromyographic Activation Of The Quadriceps During The Concentric Phase Of The Squat, Kase Pennartz, Dakota Harris, Calvin Smith, Lyric Richardson, Micheal Luera
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), …
Effects Of Inducing Post Activation Potentiation On Leg Extensors Using Isotonic Movements, Samuel Ramirez, Dakota Harris, Calvin D. Smith, Kase Pennartz, Micheal Luera
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. …
Implementing Stroke Impact Scale As An Indicator Of Stroke Survivor Recovery, Adam Avalos
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 …
Grip Strength Symmetries In Division I College Baseball Pitchers And Hitters, Chad Agor, Andy Wolfe, Zane Badmaev, Cheyenne Lavender, Jackson Maynard, Michael Luera
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 …
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
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 …
The Prevalence Of Burnout And Musculoskeletal Disorders In Physician Associates Students, Maeve E. Gobeyn, Tal Amasay, Randi Cooperman, Vered Arbel, Michelle Etchebaster
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 …
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
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 …
Comparative Effects Of Advanced Footwear Technology On Running Economy In Track Spikes And Racing Shoes, Garrett M. Oehlert
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 …
Effects Of Neuromuscular Electrical Stimulation On Energy Expenditure And Oxygen Consumption, Victoria M. Rocha, Jehu Apaflo, Gabriel Narvaez, Ali Mossayebi, Joshua Labadah, Sudip Bajpeyi
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 …
The Influence Of Tabata And Energy Replenishment On Post-Exercise Metabolic Recovery: A Pilot Analysis, Tiffani Neuville, James Rowe Dr, Vivyan Gonzalez
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 …
Electrical Stimulation While Resistance Training Leads To Greater Gains In Muscle Mass And Strength, Gabriel Narvaez, Jehu Apaflo, Amy Wagler, Sudip Bajpeyi
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 …
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
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 …
Impact Of Habitual Water Intake On Muscle Quality And Total Body Water-A Pilot Study, Kelly B. Elliott, Alan T. Ky, Casey Appell, Ryan Dunn, Nigel Jiwan, Cherish Dunlap, Ganesh C. Tallam, Hui-Ying Luk, Yasuki Sekiguchi
Impact Of Habitual Water Intake On Muscle Quality And Total Body Water-A Pilot Study, Kelly B. Elliott, Alan T. Ky, Casey Appell, Ryan Dunn, Nigel Jiwan, Cherish Dunlap, Ganesh C. Tallam, Hui-Ying Luk, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
Proper hydration is essential for critical health and performance functions, such as muscle function and body fluid balance. The effect of acute hydration status has been studied on health and muscle performance; however, the effect of habitual water intake on muscle quality and total body water between high and low consumption has not been examined. PURPOSE: To determine the impact of habitual water intake on muscle quality and total body water. METHODS: Eleven women (age: 27.6±7.9 years; mass: 60.3±10.8 kg) provided a five-day dietary food log to categorize them into HIGH or LOW daily total water intake (TWI). …
Age-Related Differences In Handgrip Strength Characteristics And Vertical Jump Performance, Kayla P. Sisneros, Pratibha S. Maurya, Evan Johnson, Ty B. Palmer
Age-Related Differences In Handgrip Strength Characteristics And Vertical Jump Performance, Kayla P. Sisneros, Pratibha S. Maurya, Evan Johnson, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Handgrip strength characteristics, such as peak force and rate of force development (RFD), have been shown to be significantly associated with the performance capacities of the lower-body musculature. Declines in lower-body performance are commonly reported as a consequence of aging. However, few studies have investigated the influence of age on handgrip peak force and RFD. PURPOSE: The purpose of this study was to examine age-related differences in handgrip peak force and RFD between young and older women and the relationships of these characteristics with lower-body performance during a vertical jump (VJ) test. METHODS: Twenty young (age = 21 ± 3 …
Handgrip Peak Force And Rate Of Force Development Measurements: Are They Reliable And Do They Correlate With Vertical Jump Power?, Pratibha S. Maurya, Kayla P. Sisneros, Evan Johnson, Ty B. Palmer
Handgrip Peak Force And Rate Of Force Development Measurements: Are They Reliable And Do They Correlate With Vertical Jump Power?, Pratibha S. Maurya, Kayla P. Sisneros, Evan Johnson, Ty B. Palmer
International Journal of Exercise Science: Conference Proceedings
Handgrip peak force and rate of force development (RFD) measurements have been shown to be effective parameters at characterizing the strength capacities of numerous muscle groups, including those of the lower extremities. However, the reliability of these measurements and their relationship with vertical jump (VJ) peak power remains uncertain. PURPOSE: The purpose of this study was to examine the reliability of handgrip peak force and RFD measurements. A secondary aim was to determine if these measurements are correlated with the peak power produced during a VJ test. METHODS: Twenty young, healthy women (age = 21 ± 3 years) …
Postprandial And Fasting Lipopolysaccharide Levels In Healthy Hispanic Residents Of Southeast Texas With Positive Family History Of Type 2 Diabetes, Amanda J. Wheeler, Yu Lun Tai, Smaran Marupudi, Ryan D. Russell
Postprandial And Fasting Lipopolysaccharide Levels In Healthy Hispanic Residents Of Southeast Texas With Positive Family History Of Type 2 Diabetes, Amanda J. Wheeler, Yu Lun Tai, Smaran Marupudi, Ryan D. Russell
International Journal of Exercise Science: Conference Proceedings
PURPOSE: Healthy people with a family history (FH+) of type 2 diabetes (T2D) display impaired metabolic and microvascular function prior to glucose intolerance, and are at greater risk for developing T2D. While mechanisms to explain this disparity are lacking, it is possible that intestinal permeability plays a role, as it is also linked with insulin resistance, glucose intolerance, and chronic inflammation. Lipopolysaccharides (LPS) act as an outer membrane component of gram-negative bacteria in intestines and play a role in inflammation and chronic disease when in circulation, thus serving as a surrogate measure of intestinal permeability. However, the link between FH+ …
Morning Versus Afternoon Body Mass In Free-Living Or Controlled Euhydration, Madi M. Pomroy, Marcos Keefe, Nigel Jiwan, Jan-Joseph S. Rolloque, Casey Appell, Courteney L. Benjamin, Hui-Ying Luk, Yasuki Sekiguchi
Morning Versus Afternoon Body Mass In Free-Living Or Controlled Euhydration, Madi M. Pomroy, Marcos Keefe, Nigel Jiwan, Jan-Joseph S. Rolloque, Casey Appell, Courteney L. Benjamin, Hui-Ying Luk, Yasuki Sekiguchi
International Journal of Exercise Science: Conference Proceedings
The standard protocol to assess hydration status is by measuring body mass in the early morning without controlling fluid intake. However, obtaining first-morning body mass is not necessarily feasible for many situations, for example, most physical activities take place in the afternoon. Thus, first-morning body mass might not be practical to assess hydration status. PURPOSE: To investigate first-morning body mass versus afternoon body mass in free- living and controlled euhydration. METHODS: 9 males (age: 21 ± 2; mass: 79.7 ± 17.8 kg) and 5 females (age: 22 ± 2; mass: 60.5 ± 13.6 kg) visited the laboratory in …
Effect Of Acute Exercise Mode On Test Anxiety: Aerobic Vs. Resistance, Natalie N. Trevino, Amber M. Shipherd, Christopher M. Hearon
Effect Of Acute Exercise Mode On Test Anxiety: Aerobic Vs. Resistance, Natalie N. Trevino, Amber M. Shipherd, Christopher M. Hearon
International Journal of Exercise Science: Conference Proceedings
Test anxiety is a specific type of state anxiety when a person experiences perceived pressure to excel on a test. Test anxiety not only hinders test performance, but the person's long term psychophysiological health. Many students struggle with test anxiety, but females have a higher incidence of test anxiety than males. Bouts of aerobic exercise have been shown to decrease state anxiety, but no work has been done examining the effects of resistant training on state anxiety. PURPOSE: the purpose of this study was to compare the effects of acute aerobic and resistance exercise bouts on test anxiety among …
The Effects Of Acute Fasting On Anaerobic Performance In Naia Softball Players, Emily J. Sauers, Madison A. Garza, Jennifer M. Estrada
The Effects Of Acute Fasting On Anaerobic Performance In Naia Softball Players, Emily J. Sauers, Madison A. Garza, Jennifer M. Estrada
International Journal of Exercise Science: Conference Proceedings
Intermittent fasting has become a popular method for athletes to help manage body weight. Additionally, athletes with early morning athletic practice often omit breakfast and arrive in a fasted state. It is unclear how fasting impacts performance in softball players. PURPOSE: The purpose of this study was to evaluate anaerobic performance in NAIA Softball players following an overnight fast. METHODS: Eight NAIA female softball players participated in this randomized cross-over study. Athletes were on the active roster at Our Lady of the Lake University. Athletes were 20.7 ± 0.5 years old, 163.1 ± 2.1 cm tall, 151.5 ± 10.0 lb. …
Sacral Stress Fracture — Wrestling, Billal Siddiq, Nikolaos Gravvanis, Charalampos Kyratzoglou, Brett Hayes, Andreas Stamatis
Sacral Stress Fracture — Wrestling, Billal Siddiq, Nikolaos Gravvanis, Charalampos Kyratzoglou, Brett Hayes, Andreas Stamatis
International Journal of Exercise Science: Conference Proceedings
CASE HISTORY: During preseason, a 35-year-old wrestler complained of pain in his lower back concurrently with a tingling sensation in the left thigh and buttocks. PHYSICAL EXAM: The wrestler was examined by a physical therapist (PT) and, while discussing prior medical history, the athlete mentioned a previous diagnosis of a mild herniated disk (Grade 1). Upon clinical examination, the athlete demonstrated a full range of motion with some discomfort in passive hip extension. The PT suggested rest and rehabilitation through electrical stimulation, alongside the strengthening of the lumbar spine and hip abductor muscles. Ten days later, the athlete …
Sublingual Caffeine Supplementation And Its Effects On Physical Performance Measures In Highly Fit United States Military Personnel, Reggie B. O'Hara
Sublingual Caffeine Supplementation And Its Effects On Physical Performance Measures In Highly Fit United States Military Personnel, Reggie B. O'Hara
International Journal of Exercise Science: Conference Proceedings
Caffeine is a commonly used countermeasure to combat sleep deprivation and alleviate physiological and psychological performance degradations in highly trained military personnel operating in extreme environments for extending periods. Although the mechanisms of action of caffeine are well described in the literature, the ergogenic effects of caffeine are variable based on the individual’s nutritional status, sensitivity to caffeine, genetics, dose, timing, and overall physical condition. PURPOSE: To explore the effects of moderate doses of sublingual caffeine on physical performance measures and perceptions of fatigue in highly fit U.S. military personnel. METHODS: A convenience sample of eleven highly trained, …