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Articles 3631 - 3660 of 56917
Full-Text Articles in Medicine and Health Sciences
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, …
Hemodynamic And Metabolic Responses To Moderate And Vigorous Cycle Ergometry In Men With Transtibial Amputation, Kionte Storey, Adam Geschwindt, Todd Astorino Ph.D
Hemodynamic And Metabolic Responses To Moderate And Vigorous Cycle Ergometry In Men With Transtibial Amputation, Kionte Storey, Adam Geschwindt, Todd Astorino Ph.D
International Journal of Exercise Science: Conference Proceedings
Adults with amputation face barriers to an active lifestyle which attenuates cardiorespiratory fitness. Prior studies in amputees typically involve treadmill walking or arm ergometry, yet physiological responses to leg cycling are less understood. PURPOSE: To assess hemodynamic and metabolic responses to moderate and vigorous cycle ergometry in men with transtibial amputation (TTA), with broader application towards exercise programming. METHODS: Using a randomized within-subjects crossover design, five men with unilateral TTA (age = 39 ± 15 yr) and six able-bodied controls (CON) (age = 31 ± 11 yr) performed two 20 min bouts of cycling differing in intensity.Cardiac output (CO), …
Influence Of Acute Turkesterone Dosing On Serum Insulin-Like Growth Factor 1 (Igf-1) And Subjective Digestibility Scores In Recreationally-Active Males, Stephanie E. Scagliotti, Dillon Harris, Steven B. Machek, Nicolle Leon, Jeff S. Forsse, Leslee Funderburk, Tracey Sulak
Influence Of Acute Turkesterone Dosing On Serum Insulin-Like Growth Factor 1 (Igf-1) And Subjective Digestibility Scores In Recreationally-Active Males, Stephanie E. Scagliotti, Dillon Harris, Steven B. Machek, Nicolle Leon, Jeff S. Forsse, Leslee Funderburk, Tracey Sulak
International Journal of Exercise Science: Conference Proceedings
Turkesterone is a relatively novel phytoecdysteroid compound that has become increasingly popular amongst recreationally active demographics. Despite prior in vitro data suggesting that this compound may support enhanced body composition via both insulin-like growth factor 1 (IGF-1)-mediated protein synthesis, no human evidence exists in this regard nor how well its digestibility is tolerated. PURPOSE: To determine the effect of multiple turkesterone doses on serum IGF-1 and to report any gastrointestinal (GI) distress symptoms in a healthy human sample. METHODS: Eleven recreationally active males (23.3±2.2y) visited the laboratory on three occasions separated by at least seven days and were randomized in …
Effects Of Gelatin Supplementation On Skeletal Muscle Recovery Following Eccentric Exercise, Rebecca R. Graham, Ana P. Carrasco, Brian E. Salgado, Andrew C. D'Lugos
Effects Of Gelatin Supplementation On Skeletal Muscle Recovery Following Eccentric Exercise, Rebecca R. Graham, Ana P. Carrasco, Brian E. Salgado, Andrew C. D'Lugos
International Journal of Exercise Science: Conference Proceedings
Exercise is a potent stimulus for skeletal muscle health. Strenuous exercise can result in exercise-induced muscle damage, characterized by soreness, inflammation, and impaired muscle function. Collagen supplementation has garnered attention as a means to improve muscle recovery and musculoskeletal health. Gelatin is a cost-effective and commercially available form of collagen supplementation. The impact of collagen supplementation, via gelatin, on muscle recovery following strenuous exercise is unknown. PURPOSE: To test the efficacy of collagen supplementation, via gelatin, on indices of skeletal muscle recovery following eccentric exercise. METHODS: Healthy, recreationally-active adults (28.4 ± 4.7 yrs; 5 M, 6 F; BMI: …
Peak Power Changes During A Countermovement Jump Following Treadmill And Cycling High-Intensity Interval Training, Michael G. Maregne, Juliet Moore, E Todd Schroeder
Peak Power Changes During A Countermovement Jump Following Treadmill And Cycling High-Intensity Interval Training, Michael G. Maregne, Juliet Moore, E Todd Schroeder
International Journal of Exercise Science: Conference Proceedings
Within activities involving jumping, peak power can be a significant factor to consider when assessing an athlete’s overall physical performance. By investigating different modalities of exercise, it is possible to discover potential benefits or flaws in certain workout regimens that may influence jump performance. In turn, this could influence how physical trainers, athletes, and recreationally active people approach their exercise routine to maximize performance. PURPOSE: The purpose of this study was to investigate the changes in peak jump power during a countermovement jump (CMJ) immediately following and 1-hour post high-intensity interval training (HIIT) using high-impact (running) and low-impact (cycling) …
The Association Between Ankle Dorisflexion And Force-Related Sport Performance Variables, Sean Conboy, Teige Barrett, Kevin Choe
The Association Between Ankle Dorisflexion And Force-Related Sport Performance Variables, Sean Conboy, Teige Barrett, Kevin Choe
International Journal of Exercise Science: Conference Proceedings
The back squat (BS) is commonly implemented in strength training programs to improve athletic performance. In order to perform the BS successfully, individuals must have adequate ankle dorsiflexion as it allows the knee to travel forward and lower the center of mass. However, it is currently unknown whether ankle dorsiflexion during the squat is associated with important sport performance variables, such as BS 1-rep max (1RM), peak ground reaction force (GRF) or rate of force development (RFD). PURPOSE: The purpose of this study was to determine the relationship between peak ankle dorsiflexion angle (DFA) and BS 1RM, peak GRF, …
The Effects Of A High Carbohydrate Vs. High Fat Pre-Fast Meal On Incretin Hormone Secretion: A Randomized Crossover Study, Parker Graves, Landon Deru, Bruce Bailey
The Effects Of A High Carbohydrate Vs. High Fat Pre-Fast Meal On Incretin Hormone Secretion: A Randomized Crossover Study, Parker Graves, Landon Deru, Bruce Bailey
International Journal of Exercise Science: Conference Proceedings
Chronic illness such as strokes, heart disease and diabetes all rank among the leading causes of death in the United States. Recently, fasting has gained popularity as a means of preventing and treating chronic illness. PURPOSE: Fasting produces multiple beneficial physiological responses that have been shown to aid in chronic disease prevention, one of which is observed in relation to incretin hormones such as glucose-dependent insulin tropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1). These incretin hormones are released by the gut to augment the secretion of insulin to regulate postprandial glucose levels. During a fast, the decrease in incretin …
Vertical Ground Reaction Forces During Stair Descent Transition For Individuals With Femoroacetabular Impingement And Osteoarthritis, Sadie E. Peete, Bryce Truver, Michael Bahk, Marc Mirisch, Michele Leblanc
Vertical Ground Reaction Forces During Stair Descent Transition For Individuals With Femoroacetabular Impingement And Osteoarthritis, Sadie E. Peete, Bryce Truver, Michael Bahk, Marc Mirisch, Michele Leblanc
International Journal of Exercise Science: Conference Proceedings
Femoroacetabular impingement (FAI) is a pathological condition characterized by the misshapen junction between the femoral head and acetabular rim causing joint friction. Not all individuals with FAI experience symptoms associated with the condition. Previous research has determined differences between those with and without symptomatic FAI (FAI-s) and those with and without osteoarthritis (OA) during stair ascent (Hammond et al., 2017 and Hall et al., 2017, respectively). No studies focused on stair descent ground reaction forces (GRFs) between individuals with FAI and/or OA exist. PURPOSE: This study analyzed key vertical GRF values during stair descent transition in adults with FAI-s, asymptomatic …
Gastrointestinal Cell Injury And Percieved Symptoms After Running The Boston Marathon, Malone T. Levanger, Melani R. Kelly, Dawn M. Emerson, Brendon P. Mcdermott, Whitley C. Atkins, Cory L. Butts, R Mark Laursen, Christopher Troyanos, Andrew Duckett, Jacob A. Siedlik
Gastrointestinal Cell Injury And Percieved Symptoms After Running The Boston Marathon, Malone T. Levanger, Melani R. Kelly, Dawn M. Emerson, Brendon P. Mcdermott, Whitley C. Atkins, Cory L. Butts, R Mark Laursen, Christopher Troyanos, Andrew Duckett, Jacob A. Siedlik
International Journal of Exercise Science: Conference Proceedings
Gastrointestinal (GI) disturbances are a prevalent cause of marathon related complaints, and in extreme cases can promote life-threatening conditions such as exertional heat stroke. PURPOSE: Our aim was to study intestinal cell injury (via intestinal fatty acid binding protein [I-FABP]) and perceived GI distress symptoms among marathon runners. Potential risk factors (e.g., inadequate sleep) that could exacerbate GI disturbances in healthy, trained endurance runners were also examined. METHODS: A parallel mixed-methods study design was utilized. 2019 Boston Marathon participants were recruited via email. Before the race subjects completed surveys describing demographics and training history. Immediately pre-race, post-race, and 24-hours post-race …
Effects Of Stair Stepping On Late Day Postprandial Glycemia, Austin M. Morales, William Wong, Jochen Kressler
Effects Of Stair Stepping On Late Day Postprandial Glycemia, Austin M. Morales, William Wong, Jochen Kressler
International Journal of Exercise Science: Conference Proceedings
Increased postprandial glycemia is problematic as chronic increases make one more susceptible to diabetes, cardiovascular disease and mortality. It is important to explore exercise interventions that are convenient and effective in reducing postprandial glycemia. PURPOSE: The purpose of the current study was to investigate whether the benefits of very short, single bout stair stepping established for early day food consumption extend to late day food consumption. METHODS: Seven participants without glycemic control abnormalities performed two standard oral glucose tolerance tests (OGTT), consuming 75g of glucose dissolved in 350mL of water followed by assessment of blood glucose response for 2 …
Engagement And A Sense Of Belonging In Kinesiology Undergraduate Students, Gema Arreguin, Evelyn Castellon, Sarah Dunn
Engagement And A Sense Of Belonging In Kinesiology Undergraduate Students, Gema Arreguin, Evelyn Castellon, Sarah Dunn
International Journal of Exercise Science: Conference Proceedings
A student's sense of belonging may promote success and retention during their undergraduate experience and could be influenced by co-curricular engagement (participation in community events organized by the home department). Even more important, an institution with a satellite “branch” campus offering less co-curricular events may see less sense of belonging in those particular students. PURPOSE: To assess undergraduate student sense of belonging based on co-curricular engagement and college campus and to investigate the findings in Kinesiology (KINE) students. METHODS: Public university students (18+ years) in California were recruited for an IRB approved Qualtrics survey in Spring 2023. Participants were asked …
Biomechanical Indicators Of Steeplechase Hurdle Success, Luke Vankeersbilck, Luke Johnston, Iain Hunter
Biomechanical Indicators Of Steeplechase Hurdle Success, Luke Vankeersbilck, Luke Johnston, Iain Hunter
International Journal of Exercise Science: Conference Proceedings
The steeplechase is a long-distance running event that requires competitors to jump over 28 hurdles and 7 water jumps over the course of the race. This frequent jumping means that hurdling technique is important and the ability to maintain speed over the barriers can help a runner succeed. PURPOSE: To determine which variables predict maintenance of speed while hurdling in the steeplechase. METHODS: Data were collected at the USATF outdoor championships and Olympic Trials from 2011 to 2023 for both men and women. A Sony video camera running at 120 Hz was used to evaluate several aspects of …
Applied Learning Experiences, Belonging & Preparedness For Career In Undergraduate Kinesiology Students, Alejandro Campos, Juliana Perez Durazo, Sarah L. Dunn Ph.D
Applied Learning Experiences, Belonging & Preparedness For Career In Undergraduate Kinesiology Students, Alejandro Campos, Juliana Perez Durazo, Sarah L. Dunn Ph.D
International Journal of Exercise Science: Conference Proceedings
Applied “hands-on'' student learning experiences may help prepare them for future career success. Gaining knowledge on professional tasks, proficiency in job skills, or understanding workplace satisfaction are all factors to be explored prior to embarking on a career in the field/industry. In addition, a student's sense of belonging to their home “major” department when completing their bachelor's degree may be related to positive outcomes and the job market. Whether hands-on learning experiences are related to workforce/graduate school preparedness or a student's sense of belonging are yet to be determined (in all majors or specific to Kinesiology, KINE). PURPOSE: To assess …
The Effects Of Ox66tm Supplementation On Ventilatory Threshold Performance Measures, Nicole N. Argueta, Allison Rowley, David Pearce, Jocelyn Graffius, Kjerstin Woodrum, Tyler Lebaron, Julie E. Taylor
The Effects Of Ox66tm Supplementation On Ventilatory Threshold Performance Measures, Nicole N. Argueta, Allison Rowley, David Pearce, Jocelyn Graffius, Kjerstin Woodrum, Tyler Lebaron, Julie E. Taylor
International Journal of Exercise Science: Conference Proceedings
Ox66TM claims to be the only solid form of oxygen known to be in existence. It is an aluminum hydroxide clathrate that can trap oxygen molecules within its structure and when digested the oxygen molecules can be absorbed into the portal bloodstream. It has previously been implemented in clinical settings to reduce hypoxia related medical conditions. However, it is currently unknown whether Ox66TM has an effect on performance measures at or near the ventilatory threshold during high intensity exercise. PURPOSE: The purpose of this study was to evaluate the ergogenic impact of acute Ox66TM ingestion on submaximal …
Effects Of Percussive Massage Treatments On Symptoms Associated With Eccentric Exercise-Induced Muscle Damage, Trevor D. Roberts, Pablo B. Costa, Scott K. Lynn, Jared W. Coburn
Effects Of Percussive Massage Treatments On Symptoms Associated With Eccentric Exercise-Induced Muscle Damage, Trevor D. Roberts, Pablo B. Costa, Scott K. Lynn, Jared W. Coburn
International Journal of Exercise Science: Conference Proceedings
Percussive massage (PM) is an emerging recovery treatment, but the research on its effects post-eccentric exercise (post-EE) is limited. PURPOSE: To investigate the effects of PM on maximal isometric torque (MIT), range of motion (ROM), and an 11-point numerical rating scale (NRS) of soreness from 24-72 h post-EE. METHODS: Seventeen untrained, college-aged subjects (14 women and 3 men) performed 60 eccentric elbow flexion actions with their nondominant arms. Nine subjects received 1 minute of PM on their nondominant arm’s biceps brachii immediately, 24, 48, and 72 h post-EE, versus eight rested quietly (control [CON]). In order, the NRS, …
Effects Of Social Jetlag On Exercise-Induced Adaptations In Skeletal Muscle Mitochondrial Content In Mice, Austin R. Cooper, Michael Dial, Nikoleta Vasileva, Greco Neblina, Elias M. Malek, Graham Mcginnis 8954626
Effects Of Social Jetlag On Exercise-Induced Adaptations In Skeletal Muscle Mitochondrial Content In Mice, Austin R. Cooper, Michael Dial, Nikoleta Vasileva, Greco Neblina, Elias M. Malek, Graham Mcginnis 8954626
International Journal of Exercise Science: Conference Proceedings
Social jetlag (SJL) occurs when the sleep/wake schedule differs on work days (weekdays) and free days (weekends). Previous studies have shown that individuals with SJL have lower physical fitness and are prone to obesity. While exercise reverses this phenotype (i.e. - via increasing skeletal muscle mitochondrial content), the effects of social jetlag on exercise training adaptations have yet to be shown. PURPOSE: To determine how social jetlag impacts skeletal muscle adaptations to exercise training in mice. METHODS: Male C57BL/6J mice aged 10-weeks (n=40) were assigned to four groups, with experimental conditions persisting for 6-weeks; control sedentary (C-SED), control with voluntary …
Measurements Of Arterial Occlusion Pressure Using Hand-Held Devices, Shay Richards, Ryan Lacey, Rachel Barrett, Tyler Burbank, Josh Allen, Josh Nielsen, Chase Blazzard, Hannah Hart, Daniela Lopez, Pat Vehrs Facsm
Measurements Of Arterial Occlusion Pressure Using Hand-Held Devices, Shay Richards, Ryan Lacey, Rachel Barrett, Tyler Burbank, Josh Allen, Josh Nielsen, Chase Blazzard, Hannah Hart, Daniela Lopez, Pat Vehrs Facsm
International Journal of Exercise Science: Conference Proceedings
Use of blood flow restriction (BFR) during training has become increasingly popular due to the benefits over a wide range of applications. An essential component to the safe and effective use of BFR is the measurement of arterial occlusion pressure (AOP). PURPOSE: This study compared measures of AOP of the brachial artery using three devices and two cuff inflation methods. METHODS: Brachial artery AOP was measured in 20 males and 21 females simultaneously using Doppler ultrasound (US), a handheld Doppler (HHDOP) and a pulse oximeter (PO) once when inflating the cuff with a clinical grade Hokanson (HOK) rapid cuff inflation …
Fitness Trackers And Friends: Using Technology To Facilitate Social Support And Physical Activity, Elizabeth M. Witt, Phoebie Fuentes, Nicole R. Vargas, Orlando Ortiz, Alison Ede
Fitness Trackers And Friends: Using Technology To Facilitate Social Support And Physical Activity, Elizabeth M. Witt, Phoebie Fuentes, Nicole R. Vargas, Orlando Ortiz, Alison Ede
International Journal of Exercise Science: Conference Proceedings
Consistent physical activity enhances physiological and psychological well-being, with the U.S. Department of Health and Human Services recommending at least 150 minutes of moderate or 75 minutes of vigorous aerobic activity weekly. However, decreased exercise or sedentary habits can elevate depressive symptoms, diminish life quality, and increase disease risks. PURPOSE: To examine the effectiveness of a socially mediated, partner-based intervention incorporating fitness trackers. A secondary aim was to assess how self-efficacy (SE) and social support (SS) differed between dyad and solo exercisers. METHODS: Fourteen undergraduate students (M:11, F:3; aged 19-27 years) were randomly assigned to a solo ( …
C-Reactive Protein Changes Following Treadmill And Cycling High-Intensity Interval Training, Juliet Moore, George Salem
C-Reactive Protein Changes Following Treadmill And Cycling High-Intensity Interval Training, Juliet Moore, George Salem
International Journal of Exercise Science: Conference Proceedings
ABSTRACT: The acute inflammatory response to exercise has been well-studied in long duration activities such as marathons and triathlons; however, little work has been done investigating this response in high-intensity interval training (HIIT), which is characterized by intermittent bouts of higher and lower intensity cycles. PURPOSE: The purpose of this study was to investigate the changes in C-reactive protein (CRP) immediately following and 1-hour post HIIT protocols using two different exercise modalities, treadmill running and stationary cycling. METHODS: Eight young, healthy, recreationally active volunteers (1 female, 7 males; 25.50 ± 3.25 years) completed a 4x4 HIIT protocol …
Assessing The Muscle Size And Size Asymmetry Of The Gluteus Maximus And The Hamstring, Jeffrey J. Stewart, Joshua K. Sponbeck, Camile Nguyen, Malorie Wilwand, Aaron W. Johnson
Assessing The Muscle Size And Size Asymmetry Of The Gluteus Maximus And The Hamstring, Jeffrey J. Stewart, Joshua K. Sponbeck, Camile Nguyen, Malorie Wilwand, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Injury, adverse circumstances, or habitual movement patterns can cause imbalance throughout the body’s muscular system, which can impact performance and injury risk in sports such as football. PURPOSE: This study aims to investigate the relationship between 1) overall gluteus maximus (GM) and hamstring (HS) muscle volume and 2) observed asymmetry between GM and HS muscles in the BYU subset of collegiate football players from the HAMIR research study, and any players within the subset with clinically important asymmetry. METHODS: The study utilized Magnetic Resonance Imaging (MRI) to determine the raw volume of the GM muscle and HS muscles …
Strength Training And Waist Circumference: Evidence Based On 5,581 Randomly Selected U.S. Men And Women, Carson J. Bates, Larry A. Tucker
Strength Training And Waist Circumference: Evidence Based On 5,581 Randomly Selected U.S. Men And Women, Carson J. Bates, Larry A. Tucker
International Journal of Exercise Science: Conference Proceedings
Abdominal obesity is a risk factor for many serious diseases. Waist circumference is a good measure of abdominal adiposity. A number of investigations show that regular exercise reduces abdominal obesity. However, few studies have focused on strength training and abdominal fat. PURPOSE: This study evaluated the association between time spent strength training (ST) and abdominal adiposity, indexed by waist circumference (WC), in a random sample of 5,581 U.S adults. METHODS: Data collected as part of the National Health and Nutrition Examination Survey (NHANES) was used to answer the research question using a cross-sectional design. The findings are applicable …