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Articles 3331 - 3360 of 359493
Full-Text Articles in Education
Effects Of Dance Footwear On Kinetics And Lower Limb Joint Kinematics During Sauté Jumps, Eloisa Hernandez, Erin Onat, Kevin Phan, Jenny Camacho, Ricardo Tolentino, Danielle N. Jarvis
Effects Of Dance Footwear On Kinetics And Lower Limb Joint Kinematics During Sauté Jumps, Eloisa Hernandez, Erin Onat, Kevin Phan, Jenny Camacho, Ricardo Tolentino, Danielle N. Jarvis
International Journal of Exercise Science: Conference Proceedings
While some efforts have been made to design footwear that would be beneficial for dancers in terms of performance and injury prevention, most footwear commonly used by dancers offers very little support to the foot and ankle region. Footwear has the potential to modify the interaction between the foot and the floor, but there is minimal research examining the effects of footwear on dance performance. PURPOSE: The purpose of this study was to investigate the effects of footwear on ground reaction forces and lower extremity joint motion during a sauté (dance specific bipedal vertical jump) landing. METHODS: Eighteen …
Portability Vs. Precedent: Imus Vs. 3d Motion Capture For Collecting Kinematic Data In Dancers, Ricardo Tolentino, Gwendolyn R. Retzinger, Stephana Powell, Luis F. Gonzalez, Danielle N. Jarvis
Portability Vs. Precedent: Imus Vs. 3d Motion Capture For Collecting Kinematic Data In Dancers, Ricardo Tolentino, Gwendolyn R. Retzinger, Stephana Powell, Luis F. Gonzalez, Danielle N. Jarvis
International Journal of Exercise Science: Conference Proceedings
The emergence of portable kinematic data collection systems (Inertial Measurement Units - IMUs) have become a potential alternative to 3D video motion capture systems for real-world application. However, there remains little research on the application of IMU technology for the evaluation of dancers’ biomechanical movement. PURPOSE: To assess the validity of the Noraxon IMU system compared with the Cortex 3D video motion capture system for kinematic data collection during a sauté. METHODS: 10 healthy, advanced female dancers were equipped with both a Noraxon IMU (200Hz) system and reflective markers used with a 12-camera Motion Analysis system (Cortex, 250 …
Time Since Injury Influences Eccentric Hamstring Force Imbalance In Collegiate American Football Players, Lee J. Hinkle, Gilbert W. Fellingham, Malorie Wilwand, Aaron W. Johnson
Time Since Injury Influences Eccentric Hamstring Force Imbalance In Collegiate American Football Players, Lee J. Hinkle, Gilbert W. Fellingham, Malorie Wilwand, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Hamstring injuries (HSI) are among the most common non-contact injuries in American football. Understanding effects of duration since injury may inform how coaches, trainers, and athletes approach rehabilitation and return to play decisions. PURPOSE: To compare hamstring imbalance in athletes injured more than 12 months ago to hamstring imbalance in athletes with no HSI and compare hamstring imbalance in athletes injured within the last 12 months to imbalance in those with no HSI. METHODS: Sixty-one collegiate football players (age: 22.5 ± 1.8, height: 187.6 ± 6.2 cm, weight: 105 ± 21.6 kg) rostered in 2022 self-identified as having …
Single-Leg Resistance Exercise Training In Mice Leads To A Fast Increase In In Vivo Torque Of Anterior Crural Muscles, Lloyd K.T. Marshall, Dylan M. Kasper, Leonardo Nogueira Phd
Single-Leg Resistance Exercise Training In Mice Leads To A Fast Increase In In Vivo Torque Of Anterior Crural Muscles, Lloyd K.T. Marshall, Dylan M. Kasper, Leonardo Nogueira Phd
International Journal of Exercise Science: Conference Proceedings
Resistance exercise is known to produce muscle hypertrophy. However, little is known about the role of muscle satellite cells in generating new myofibers or in incorporating satellite cells to live myofibers during exercise training. PURPOSE: To investigate whether single-leg resistance exercise training can activate the incorporation of muscle satellite cells in mice. METHODS: Transgenic male mice (12 weeks old) that express Td-Tomato fluorescent protein in Pax7+ (i.e., satellite cells) cells (Pax7CreER-Ai9) were treated with tamoxifen (2 mg in corn oil, i.p.) once a day for 5 days. Three days later, mice were single-leg exercise trained (i.e stimulation of …
Effect Of Lead Leg And Fatigue On Ground Reaction Forces In Front Lunges, Jasmyne Holliday, Michele Leblanc
Effect Of Lead Leg And Fatigue On Ground Reaction Forces In Front Lunges, Jasmyne Holliday, Michele Leblanc
International Journal of Exercise Science: Conference Proceedings
Front lunges are a beneficial exercise that are frequently used for rehabilitation and strength training. In the studies previously conducted, only vertical ground reaction force (GRF) data for the preferred lead leg was analyzed and only male subjects were included (Gao et al., 2022, Park et al., 2021). PURPOSE: The aim of this study was to determine the effect of lead leg and fatigue on lead leg anterior/posterior (Fy) and vertical (Fz) GRFs during the eccentric and concentric phases of the front lunge. METHODS: Ten recreationally active women were recruited and performed front lunges with an assigned step …
Trends In Weightlifting Injuries In Pediatric And Adult Populations: 2013 – 2022, Tolulope Popoola, Daniel Novak
Trends In Weightlifting Injuries In Pediatric And Adult Populations: 2013 – 2022, Tolulope Popoola, Daniel Novak
International Journal of Exercise Science: Conference Proceedings
Weightlifting can serve as a valuable exercise method for managing obesity and preparing young individuals for sports, provided it is carried out under the guidance of qualified experts and with proper safety measures in mind. Nevertheless, the persistent worry about the potential for injuries remains a significant factor behind the hesitancy of medical professionals in endorsing weightlifting for pediatric populations. PURPOSE: To determine whether there are differences in rates and types of injury associated to weightlifting across different age groups. METHODS: Information regarding weight training injuries was collected from the National Electronic Injury Surveillance System of the US …
The Effects Of A High-Carbohydrate Versus A High-Fat Shake On Biomarkers Of Metabolism And Glycemic Control When Used To Interrupt A 38-Hour Fast: A Randomized Crossover Study, Cameron Jacobsen, Landon Deru, Bruce W. Bailey
The Effects Of A High-Carbohydrate Versus A High-Fat Shake On Biomarkers Of Metabolism And Glycemic Control When Used To Interrupt A 38-Hour Fast: A Randomized Crossover Study, Cameron Jacobsen, Landon Deru, Bruce W. Bailey
International Journal of Exercise Science: Conference Proceedings
As the link between metabolic health and chronic diseases have come into focus, it has highlighted the need to establish methods for improving metabolic flexibility. The ability to efficiently switch metabolic fuels from glucose to fatty acid-derived ketones is an indication of good metabolic health. Regular fasting allows the body to make the metabolic switch to ketones more often, which is commonly identified through the measurement of the ketone beta-hydroxybutyrate (BHB). Measuring both BHB and glucose levels can provide information about the body’s response to various foods, fasting regimens, or other metabolic stressors, and give valuable insights to measuring a …
Effects Of Acute Late Sleep Restriction On Strength, Power, And Running Speed In Recreationally Active Females, Karolina Iznerowicz, Jared W. Coburn, Sydney Leisz, Trevor Gillum, Michael Robinson, William Boyer
Effects Of Acute Late Sleep Restriction On Strength, Power, And Running Speed In Recreationally Active Females, Karolina Iznerowicz, Jared W. Coburn, Sydney Leisz, Trevor Gillum, Michael Robinson, William Boyer
International Journal of Exercise Science: Conference Proceedings
Previous research suggests that late sleep restriction (SR) paired with exercise in the morning does not have a significant impact on sport performance measures. However, this evidence is based on research conducted primarily in males. PURPOSE: To examine the effects of late sleep restriction on measures of strength, speed, and power among recreationally active females. METHODS: Twenty-three (23) recreationally active (aerobic physical activity and resistance exercise at least three times a week for six months) females participated in this study (mean age 21.5 years, BMI 23 kg/m2). A randomized, cross-over design was used under two conditions, recommended sleep …
Timing Of Nordic Hamstring Exercise In Youth Soccer Players To Reduce Injury, Brooke Butterick, Carson Gantzer, Jason Siegler
Timing Of Nordic Hamstring Exercise In Youth Soccer Players To Reduce Injury, Brooke Butterick, Carson Gantzer, Jason Siegler
International Journal of Exercise Science: Conference Proceedings
The Nordic hamstring exercise (NHE) has been demonstrated to be an effective strength exercise to help mitigate the risk of hamstring injury in soccer players. It is a component of the FIFA 11+ grassroots injury prevention program, which is a series of warm-up exercises designed to be administered in large groups and at minimal cost. Recent evidence in adults suggests that the acute fatigue associated with the NHE may increase the risk of injury during training, causing some to suggest moving the NHE until the end of training. PURPOSE: To determine whether this same level of fatigue persists in young …
Resistance Exercise, Muscle Strength, Physical Function And Quality Of Life In Head And Neck Cancer Patients Undergoing Chemoradiation, Ezrie Pace, Kathryn Dispennette, Dukagjin Blakaj, Zachary Chaplow, Brian Focht
Resistance Exercise, Muscle Strength, Physical Function And Quality Of Life In Head And Neck Cancer Patients Undergoing Chemoradiation, Ezrie Pace, Kathryn Dispennette, Dukagjin Blakaj, Zachary Chaplow, Brian Focht
International Journal of Exercise Science: Conference Proceedings
Chemoradiation therapy (CRT) is the standard of care treatment for Head and Neck Cancer (HNCa) patients. Despite its established therapeutic efficacy, adverse effects accompanying CRT result in clinically-meaningful declines in muscle strength, physical function and quality of life (QOL). The adverse effects observed during CRT place HNCa patients at heightened risk for functional decline, mortality, and morbidity. Accordingly, there is a pressing need to evaluate the utility of supportive care interventions, such as resistance exercise (RE), to attenuate the deleterious effects observed during CRT. PURPOSE: Determine the utility of implementing a group-mediated cognitive behavioral (GMCB) RE intervention in the treatment …
Intra- And Inter-Day Variability In Recess Physical Activity Over One Week In Young Children, Katherine L. Mckee, Kimberly A. Clevenger
Intra- And Inter-Day Variability In Recess Physical Activity Over One Week In Young Children, Katherine L. Mckee, Kimberly A. Clevenger
International Journal of Exercise Science: Conference Proceedings
Researchers interested in outdoor free play (i.e., recess) may collect data on total (light-to-vigorous) physical activity (TPA) during a single recess period or over several days, yet little is known about intra- and inter-day variability or whether individual recess periods or days are representative of “typical” recess TPA. PURPOSE: The purpose of the current study was to explore variability in TPA across a week of recess periods with the overarching goal of identifying how many recess periods may be needed to represent weekly recess TPA. METHODS: Children (n=29; age=2-6 y) from two on-campus early childhood education programs which shared a …
N-95 Masks Have No Effect On Spontaneous Physical Activity, Dalton Lesser, Jake Laufenberg, Zachary Zeigler
N-95 Masks Have No Effect On Spontaneous Physical Activity, Dalton Lesser, Jake Laufenberg, Zachary Zeigler
International Journal of Exercise Science: Conference Proceedings
In recent years, the use of facemasks has greatly increased, especially due to the onset of the COVID-19 pandemic. Many individuals were required to wear a face mask for long durations. The impact of mask wearing on spontaneous physical activity (PA) is unknown. PURPOSE: This study seeks to determine if wearing an N-95 mask for extended duration would have any impact on spontaneous physical activity. METHODS: 12 total participants aged 18-21 yr. were recruited for this experimental cross-over study. Subjects reported to the lab twice, separated by one week, to receive a wrist-worn accelerometer. One condition was control …
Cycling Versus Treadmill Potentiation Effects Following High-Intensity Interval Training, Mark Martinez, Juliet Moore, Kathryn Havens, George Salem
Cycling Versus Treadmill Potentiation Effects Following High-Intensity Interval Training, Mark Martinez, Juliet Moore, Kathryn Havens, George Salem
International Journal of Exercise Science: Conference Proceedings
High-intensity interval training (HIIT) has emerged as a popular form of exercise, with intermittent bouts of higher and lower intensity cycles. Not well understood to date is the influence of HIIT exercise modality (e.g., cycling vs treadmill running) on measures of jump performance. A generally accepted metric for assessing performance and overall athleticism involves performing a countermovement jump (CMJ). Furthermore, heavy exercise has been shown to improve muscle performance using post-activation potentiation. Purpose: This study compared the effects of HIIT bouts of cycling vs treadmill running on CMJ concentric impulse, peak takeoff force, and jump height. Methods: Eleven young, …
Return-To-Play Clinical Milestones: Fail-Rate For Those Claiming To Be Fully Symptom Free, Addie Jane Heithecker, Madison Fenner, Kristen G. Quigley, Monique Passalacqua, Philip Pavilionis, Nora Constantino Facsm, Nicholas G. Murray
Return-To-Play Clinical Milestones: Fail-Rate For Those Claiming To Be Fully Symptom Free, Addie Jane Heithecker, Madison Fenner, Kristen G. Quigley, Monique Passalacqua, Philip Pavilionis, Nora Constantino Facsm, Nicholas G. Murray
International Journal of Exercise Science: Conference Proceedings
Sport-related concussion remains a concerning public health issue. A multifaceted test battery is recommended for clinical judgments, including return-to-play (RTP). Initiation of RTP testing is based on the athletes' honesty with their current symptoms and is confirmed by the multifaceted test battery. PURPOSE: Examine the rates of test failure in NCAA Division I athletes when they present as being symptom free for 24 hours. METHODS: 36 Division I athletes (18 male, 18 female; avg. age=20.1 years) were evaluated at pre-season baselines (BL), within 48 hours of a diagnosed concussion (CON), and when they reported being symptom free (SF) …
Validity Of Ultrasound Imaging Of Abductor Hallucis Volume Demonstrated By Strong Agreement With Mri, Emma Robinson, Jacob Willes, Derek Swanson, Dallin Swanson, Joshua Sponbeck, Wayne Johnson
Validity Of Ultrasound Imaging Of Abductor Hallucis Volume Demonstrated By Strong Agreement With Mri, Emma Robinson, Jacob Willes, Derek Swanson, Dallin Swanson, Joshua Sponbeck, Wayne Johnson
International Journal of Exercise Science: Conference Proceedings
Intrinsic foot muscles such as abductor hallucis (ABDH) are crucial for function and mobility while influencing quality of life. Thus, being able to accurately measure foot muscle volume is important. While magnetic resonance imaging (MRI) is often considered to be the reference standard of medical imaging, ultrasound (US) provides a cost effective, rapid and dynamic way of assessing muscle size and function. PURPOSE: To investigate the validity and intratester reliability of US imaging in assessing ABDH volume compared to MRI. METHODS: US and MRI were employed to measure the right and left ABDH muscle volume involving 9 participants (females = …
Reporting On Pilot Experiences In A Multi-Phased Fidelity Study Of An Equipment-Based Resistance Program For Older Adults, Rodolfo Mejia, Nasim Eyvazlou, Cody Antonio, Marlene Villa, Alexandra Auslander, Zakkoyya H. Lewis, Lara Killick
Reporting On Pilot Experiences In A Multi-Phased Fidelity Study Of An Equipment-Based Resistance Program For Older Adults, Rodolfo Mejia, Nasim Eyvazlou, Cody Antonio, Marlene Villa, Alexandra Auslander, Zakkoyya H. Lewis, Lara Killick
International Journal of Exercise Science: Conference Proceedings
Within the US, people are experiencing longer life expectancy, yet these extended lifespans have not necessarily translated into years living in good health. Research shows that regular resistance exercise carries distinct preventive health benefits for older adults. A growing body of literature explores interventions designed to engage older adults in resistance exercise. PURPOSE: The purpose of this study was to pilot the proposed assessment strategy for a multi-phased fidelity study of an equipment-based resistance training program designed specifically for older adults. METHODS: A three-phased study has been designed. Phase 1 consisted of a systematic literature review to identify salient measures …
The Effects Of Heavy Backpack Carriage On Hand Strength, Malea N. Lopez, Jennifer L. Hein, Katherine Saul, Deanna J. Schmidt
The Effects Of Heavy Backpack Carriage On Hand Strength, Malea N. Lopez, Jennifer L. Hein, Katherine Saul, Deanna J. Schmidt
International Journal of Exercise Science: Conference Proceedings
Force production in upper limb muscles could be affected following exercise that involves carrying a heavy backpack load. In lower limb muscles, previous study has demonstrated that there is muscle force depression after several different regimens of metabolically and mechanically demanding exercise. PURPOSE: The aim of this study is to examine pinch strength after exercising while carrying a heavy backpack with straps that compress the nerves and blood vessels of the upper limb. We hypothesized that backpack load carriage at 15% body weight and 30% body weight will lead to changes in upper limb lateral pinch strength as compared …
Improvements In Mood State Following An 8-Week Strength Training Intervention In Healthy Adult Subjects, Emily Dow, Carol S. Johnston, Mario Hernandez
Improvements In Mood State Following An 8-Week Strength Training Intervention In Healthy Adult Subjects, Emily Dow, Carol S. Johnston, Mario Hernandez
International Journal of Exercise Science: Conference Proceedings
Recently, a growing body of literature has identified the potential role of exercise in modulating the microbiome-gut-brain axis, by which changes in the gut microbiome have been associated with improved markers of psychological health. PURPOSE: To introduce the potential role of strength training, an underrepresented exercise modality in this field, as a modifiable lifestyle factor that may improve mental health outcomes via the microbiome-gut-brain axis. METHODS: This randomized controlled trial implicates an 8-week, remotely monitored strength training intervention consisting of three total-body exercise sessions per week in healthy adults. The intervention arm (ST; n=11; 91% female; 38.5±10.3 y) received …
The Inflammatory Response To Different Hiit Modalities, John G. Wallace Iii, Jared Moore, E. Todd Schroeder
The Inflammatory Response To Different Hiit Modalities, John G. Wallace Iii, Jared Moore, E. Todd Schroeder
International Journal of Exercise Science: Conference Proceedings
Pro-inflammatory and anti-inflammatory cytokines have been documented to change in response to long-duration, aerobic exercise. Little work has been performed in high-intensity interval training (HIIT). Furthermore, it has yet to be elucidated whether the modality of HIIT affects this inflammatory response. PURPOSE: The purpose of this study was to investigate the changes in IL-8 and IL-10 cytokine concentrations pre-post and post-1hr following HIIT protocols using two different exercise modalities, treadmill running (TM) and stationary cycling (CE). METHODS: Eight young, healthy, recreationally active volunteers (1 female, 7 males; 25.50 ± 3.25 years) completed a 4x4 HIIT protocol (4-minute 85-95% …
Advancing Accessibility Research In Kinesiology: A Mixed-Methods Case Study Of One Survey Website, Yi Sheng Wu, Jafra D. Thomas, Jasmine C. Wong
Advancing Accessibility Research In Kinesiology: A Mixed-Methods Case Study Of One Survey Website, Yi Sheng Wu, Jafra D. Thomas, Jasmine C. Wong
International Journal of Exercise Science: Conference Proceedings
While some studies in kinesiology have investigated the accessibility of educational material and electronic applications used to promote physical activity (eg, ease to perceive/navigate content resources), few studies report on the accessibility of survey tools before their use in research. PURPOSE: The purpose of this study was to measure the accessibility of one survey website to a study directly investigating comprehension of mock physical activity promotion material created by Thomas et al. (2023). METHODS: The website was for study participants to complete an online version of a cloze form (for a visual, see Nielsen, 2011; eg, see Cardinal …
Neck Flexors Bilateral Symmetry In Baseball Pitchers: A Unilateral Perspective, Ceren Acik, Stefan Keslacy, Christine Dy, Leila Rahnama
Neck Flexors Bilateral Symmetry In Baseball Pitchers: A Unilateral Perspective, Ceren Acik, Stefan Keslacy, Christine Dy, Leila Rahnama
International Journal of Exercise Science: Conference Proceedings
This study examines the potential asymmetry in flexor neck muscle characteristics, including thickness, size, strength, and neck flexion range of motion (ROM), in baseball players. Baseball involves repetitive unilateral actions, which may subject players to one-sided stress and strain due to the sport's explosive and high-speed movements. Specifically, pitchers and catchers, who perform frequent arm activities, are at higher risk of upper extremity injuries. PURPOSE: The study aimed to investigate if repeated throwing movements in baseball induce trophic changes in the neck muscles, particularly on the dominant side used for throwing. METHODS: Thirteen college baseball players and fifteen healthy controls …
Biomechanical Analysis Of Change Of Direction Movements In Women's Collegiate Soccer Players, Malia Yim, Allie Lam, Travis Peterson
Biomechanical Analysis Of Change Of Direction Movements In Women's Collegiate Soccer Players, Malia Yim, Allie Lam, Travis Peterson
International Journal of Exercise Science: Conference Proceedings
Change of Direction (COD) tasks are common in a variety of high performance sports. PURPOSE: This study aims to determine technique and kinetic differences between unexpected defensive COD tasks in women’s collegiate soccer players. METHODS: Eleven collegiate soccer players participated voluntarily in accordance with the local IRB, performing six 180°R and L , 135° L, and 225°R tasks, approaching from 5m and exiting 3m. Force (Kistler, 1200Hz) and timing information (Brower) data was collected. Repeated Measures ANOVA determined differences across the group between movement directions. RESULTS: Four categories of techniques emerged: natural step, shuffle, hop, and stomp. 135L COD tasks …
Predictors Of Performance During A 161 Km Mountain Footrace, Omar B. El-Kurd, Patrick Bialy, Soolim Jeong, Braxton A. Linder, Nina L. Stute, Joseph D. Vondrasek, C. M. Lee Facsm, Kent A. Lorenz, Austin T. Robinson, Joseph C. Watso, Matthew C. Babcock, James R. Bagley, Gregory J. Grosicki
Predictors Of Performance During A 161 Km Mountain Footrace, Omar B. El-Kurd, Patrick Bialy, Soolim Jeong, Braxton A. Linder, Nina L. Stute, Joseph D. Vondrasek, C. M. Lee Facsm, Kent A. Lorenz, Austin T. Robinson, Joseph C. Watso, Matthew C. Babcock, James R. Bagley, Gregory J. Grosicki
International Journal of Exercise Science: Conference Proceedings
Training volume and cardiovascular dynamics influence endurance performance. However, there is limited information on the interplay between training volume, cardiovascular dynamics, and performance in ultra-marathon athletes. PURPOSE: We aimed to determine predictors of performance in finishers of the 2023 Western States Endurance Run (WSER). METHODS: Sixty participants who finished the race (49 males/11 females; mean age: 44.7 ± 9.6 y, range: 26–66 y; BMI: 22.7 ± 2.2 kg/m2) completed pre-race surveys including average training volume (AV) and peak training volume (PV), as well as resting cardiovascular measures including resting heart rate (RHR) and augmentation index (AIx), a measure …
No Difference Found In Hamstring Strength Across Division I Football Positions, Hunter Jack, Kaden Kennard, Spencer Jezek, Joshua Sponbeck, Malorie Wilwand, A. Wayne Johnson
No Difference Found In Hamstring Strength Across Division I Football Positions, Hunter Jack, Kaden Kennard, Spencer Jezek, Joshua Sponbeck, Malorie Wilwand, A. Wayne Johnson
International Journal of Exercise Science: Conference Proceedings
Hamstring injuries are one of the most common injuries sustained in professional football with 800+ hamstring injuries per year. These hamstring injuries often occur between late swing (eccentric contraction) and early ground contact. PURPOSE: To investigate the correlation of eccentric hamstring strength to muscle volume across positional groups. METHODS: Athletes were divided into three homogeneous groups based on position (big (e.g., linemen), skill (e.g., receivers), combo (e.g., linebackers)). Seventy-three NCAA Division I football players participated (24 big, 37 skill, and 12 combo). Hamstring strength was collected for each leg while performing 3 Nordic curls on a Nordbord device. The peak …
Food And Mood: Investigating The Correlation Between Vitamin B12 Intake And Depression, Jana Soucar, Hawley Almstedt
Food And Mood: Investigating The Correlation Between Vitamin B12 Intake And Depression, Jana Soucar, Hawley Almstedt
International Journal of Exercise Science: Conference Proceedings
Vitamin B12 is an essential nutrient that metabolizes homocysteine, which is a potentially neurotoxic molecule when in excess. Studies show that a deficiency in vitamin B12, as well as folate, may be associated with mental health conditions. Additionally, the prevalence of depression is higher in college students than other demographic populations. PURPOSE: The purpose of this study was to investigate a correlation between vitamin B12 and folate intake with signs and symptoms of depression in college students. METHODS: This study was conducted by first providing participants with the Beck Depression Inventory (BDI) to measure signs and symptoms of …
Impacts Of Creatine Supplementation On Body Weight And Running Anaerobic Sprint Performance Test (Rast) Time Performance In Youth Soccer Players, Citlaly Jauregui, Heitor Pn Amorim, Suellen B. Sant'ana, Juan Mielgo Ayuso, Dailson Paulucio, Steven B. Machek, Marco Machado
Impacts Of Creatine Supplementation On Body Weight And Running Anaerobic Sprint Performance Test (Rast) Time Performance In Youth Soccer Players, Citlaly Jauregui, Heitor Pn Amorim, Suellen B. Sant'ana, Juan Mielgo Ayuso, Dailson Paulucio, Steven B. Machek, Marco Machado
International Journal of Exercise Science: Conference Proceedings
Creatine supplementation commonly increases intracellular water and/or lean mass-associated weight gain and concomitantly improved short-term, high-intensity effort performance such as repeated sprint ability. Research in this regard is both generally sparse but specifically more so in younger soccer athletes. PURPOSE: to determine the effect of 28 days of creatine monohydrate supplementation on body weight and running anaerobic sprint performance (RAST) time in youth soccer players. METHODS: Sixteen male youth soccer players were randomized in double-blinded fashion to either 28 days of creatine supplementation (CRE; 15.9±0.35y) or an equivalently-dosed dextrose (PLA; 15.5±0.54y; 0.3g/kg/d for the first 7 days, followed by 0.03g/kg/d …
Effects Of Chronotype And Social Jetlag On Blood Biomarkers During Wlff 2-Week Critical Training Period, Elias M. Malek, Joseph A. Sol, Katherine Christison, Charles L. Dumke, John Quindry, Graham Mcginnis 8954626
Effects Of Chronotype And Social Jetlag On Blood Biomarkers During Wlff 2-Week Critical Training Period, Elias M. Malek, Joseph A. Sol, Katherine Christison, Charles L. Dumke, John Quindry, Graham Mcginnis 8954626
International Journal of Exercise Science: Conference Proceedings
Chronotype, an individual's natural preference towards activity during certain times of the day, influences the interaction between one's internal circadian rhythms and the external environment. When this is disrupted, it can result in social jet lag (SJL), the misalignment between our sleep/wake schedule on work days and free days. Wildland firefighters grapple with unpredictable and intense demands of their job, making them vulnerable to the challenges posed by SJL. Their duties necessitate abrupt changes in active hours, pushing against their body's inherent circadian preferences. SJL is a behavioral trait that may alter an individual's ability to respond to high stress …
Individuals Wearing Cleats Transitioning From Sitting To Standing Demonstrate A Significant Decrease In Blood Flow To The Foot, Mel Harsh, Chase Tomlinson, Adam Mortensen, Kassity D. Clay, Adam Ranck, Camile Nguyen, Pat R. Vehrs Facsm, Aaron W. Johnson
Individuals Wearing Cleats Transitioning From Sitting To Standing Demonstrate A Significant Decrease In Blood Flow To The Foot, Mel Harsh, Chase Tomlinson, Adam Mortensen, Kassity D. Clay, Adam Ranck, Camile Nguyen, Pat R. Vehrs Facsm, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Plantar fasciopathy is a common foot condition with 10% prevalence in the general population. Plantar fasciosis (a type of fasciopathy) is considered a degenerative condition associated with cell death due to a lack of blood flow. Narrow, tight footwear, such as cleats, have been implicated as a potential contributing factors for the development of plantar fasciopathy and their direct influence on blood flow to the foot is currently unknown. PURPOSE: To investigate blood flow change in the anterior and posterior tibial arteries between sitting and standing in a cleated foot. METHODS: Eight individuals participated in this pilot study (weight=70.5 kg±12.9, …
Identifying Maximal Fat Oxidation During Arm Ergometry, Carly Schuerger, Zachary Jordan, Cristian Gonzales, Todd A. Astorino Facsm
Identifying Maximal Fat Oxidation During Arm Ergometry, Carly Schuerger, Zachary Jordan, Cristian Gonzales, Todd A. Astorino Facsm
International Journal of Exercise Science: Conference Proceedings
Metabolic responses have been extensively studied in response to various exercise modalities, such as treadmill running and cycling. Achten et al. (2002) demonstrated that graded exercise testing in trained cyclists using 3 minute (min) stages led to similar estimates of fat oxidation (FOx) and maximal fat oxidation (MFO) as 5 min stages. However, minimal research has studied FOx responses during exercises using arm cycle ergometry (ACE). PURPOSE: To compare FOx responses during progressive ACE using 3 and 5 min stages. METHODS: Participants consisted of 11 healthy, non-obese men and women (age = 24±9 yr, %BF
= 23±5%, VO2peak …
Comparative Investigation Of Foot Blood Flow Dynamics: A Study Of The Anterior And Posterior Tibial Arteries In The Sitting Vs. Standing Positions, Chase Tomlinson, Mel Harsh, Camile Nguyen, Lee J Hinkle, Kalissa Cox, Pat R. Vehrs Facsm, Aaron W. Johnson
Comparative Investigation Of Foot Blood Flow Dynamics: A Study Of The Anterior And Posterior Tibial Arteries In The Sitting Vs. Standing Positions, Chase Tomlinson, Mel Harsh, Camile Nguyen, Lee J Hinkle, Kalissa Cox, Pat R. Vehrs Facsm, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Optimal blood circulation is crucial to perform activities of daily living and for living a healthy life. For example, insufficient blood flow to the foot contributes to the development of foot pathology such as plantar fasciopathy. An unshod simulation of tight and narrow shoes showed decrease blood flow to the foot. PURPOSE: This study investigated if there was a significant decrease in blood flow to the foot via the anterior and posterior tibial arteries when an unshod person transitions from sitting to standing. METHODS: Nine individuals participated in this pilot study (age=24.7±4.4, weight=72.7kg±8.8, height=1.8m±0.07). For the sitting position, …