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Articles 1291 - 1320 of 43085
Full-Text Articles in Entire DC Network
Adapting A Parent-Child Physical Activity Curriculum To A Group Setting For Children In An Underserved Community, Araceli Magallanes, Martina Ricabar, Isabella Gore Rivero, Rubin Daniela, Kathleen S. Wilson
Adapting A Parent-Child Physical Activity Curriculum To A Group Setting For Children In An Underserved Community, Araceli Magallanes, Martina Ricabar, Isabella Gore Rivero, Rubin Daniela, Kathleen S. Wilson
International Journal of Exercise Science: Conference Proceedings
After school physical activity (PA) programs provide opportunities for safe participation in PA contributing to children’s health. PURPOSE: This pilot study evaluated the adaptation of a dyadic (parent-child) PA curriculum to a group setting for children in an underserved community. METHODS: Once a week for ten weeks, 17 children (6F/9M, 8±1y) participated in one-hour PA sessions which included warm-up, strength exercises, and games targeting the development of motor skills. Kinesiology students adapted a game-based PA curriculum (FunDoRoo™) for children ages 6-10. One group of students (n=4) planned and conducted the PA sessions (PA leaders), while another group (n=3) observed/rated …
Pilot Study: Core Temperature While Swimming In Open Water With And Without A Wetsuit, Katsiaryna Afanasyeva, Alina Swafford, Crystal Hadfield, John Mercer Dr.
Pilot Study: Core Temperature While Swimming In Open Water With And Without A Wetsuit, Katsiaryna Afanasyeva, Alina Swafford, Crystal Hadfield, John Mercer Dr.
International Journal of Exercise Science: Conference Proceedings
In the triathlon, swimming is commonly considered as the most dangerous part of a sport due to the high number of fatalities that occur during this portion of the race. One of the risks associated with swimming in open water is the possibility of overheating, particularly when athletes choose to wear long-sleeve wetsuits in warm water. For this reason, the triathlon organizations have set water temperature thresholds in order to minimize the risk of development of hypo/hyperthermia. However, there are limited core temperature data while swimming in a wetsuit in warm water. PURPOSE: To examine core temperature while swimming a …
Relationship Between Fat-Free Mass Index, Body Composition, Sports Nutrition Knowledge, And Sleep Quality In Female Soccer Players, Samantha Campuzano, Michael Rodriguez, Haydin Pazdur, Guillermo Escalante, Jason Ng
Relationship Between Fat-Free Mass Index, Body Composition, Sports Nutrition Knowledge, And Sleep Quality In Female Soccer Players, Samantha Campuzano, Michael Rodriguez, Haydin Pazdur, Guillermo Escalante, Jason Ng
International Journal of Exercise Science: Conference Proceedings
Previous research has reported an inverse relationship between body fat percentage (BF%) and sports nutrition knowledge (SNK) in athletes. Fat-free mass index (FFMI) is a related measurement that allows for the normalization of fat-free mass (FFM) by dividing the FFM in kg by height in meters squared. However, it is unknown whether this variable is influenced by an athlete’s SKN and sleep quality. PURPOSE: To examine the relationship between FFMI, BF%, total body water (TBW), SNK, and sleep quality score (SQ) in Division II female soccer players. METHODS: Twenty-eight women (Mean + SD: Age = 19.4 ± 1.1 …
The Impact Of Physical Fitness And Activity On Gpa In College Students, Wes Stergious, Claire Lindemier, Amanda Callaghan, Nick Urias, Zachary Zeigler
The Impact Of Physical Fitness And Activity On Gpa In College Students, Wes Stergious, Claire Lindemier, Amanda Callaghan, Nick Urias, Zachary Zeigler
International Journal of Exercise Science: Conference Proceedings
Both physical activity and high aerobic capacity have been linked to academic performance. Past data using questionnaires suggest that there is a link between physical activity levels and GPA. Very little data has used objective fitness measures, and no data has compared physical activity levels and aerobic capacity on GPA. PURPOSE: This correlational study aimed to assess the relationship between objectively measured physical activity and GPA in college students. METHODS: College students were recruited to participate in this correlational study. Participants wore an ActiGraph GT3X+ activity monitor (Pensacola, FL, USA) on their dominant wrist. They were asked to …
Interrater Reliability Aspects Of The Pickleball Serve Penetration Test, Luke Rockenbaugh, Eric Martin, Margaret Falknor, Steven B. Kim, James Annesi
Interrater Reliability Aspects Of The Pickleball Serve Penetration Test, Luke Rockenbaugh, Eric Martin, Margaret Falknor, Steven B. Kim, James Annesi
International Journal of Exercise Science: Conference Proceedings
The serve penetration test has been used in tennis to assess the approximate skill level of a player. While similar to tennis, pickleball is less studied. We adapted the serve penetration test to the pickleball court. PURPOSE: The purpose of the study was to assess interposition reliability, interrater reliability, and intertarget reliability of the adapted pickleball serve penetration test. METHODS: For the pickleball serve penetration test, there were four different targets that the subject aimed for, located on the left and right corners, as well as the left and right middle of the court. Each target had four …
Effect Of Age On Achilles Tendon Condition For Long Distance Runners: A Preliminary Report, Alyson R. Radford, Summer S. Hollifield, Joshua Sponbeck, Camille L. Nguyen, Aaron W. Johnson
Effect Of Age On Achilles Tendon Condition For Long Distance Runners: A Preliminary Report, Alyson R. Radford, Summer S. Hollifield, Joshua Sponbeck, Camille L. Nguyen, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Running is one of the most common forms of exercise. Tendinopathy is among the most prevalent injuries found among runners. Ultrasound imaging of tendinopathy presents as an enlargement of the tendon with a decrease in echo intensity. Previous research has found that aging leads to an increased susceptibility to tendinopathy. PURPOSE: This study aimed to determine how the effects of aging will impact the structural change of the Achilles tendon (AT) before and after long distance running. METHODS: 27 senior runners (age: 70.9±9.8 yrs; Female=15 Male=12) ran 5k or 10k distances at the Huntsman World Senior Games. Each …
Ankle Joint Utilization Differences Between Dancers And Non-Dancers During Jumping Movement, Ricardo Tolentino, Elizabeth Reyes, Danielle Serrano, Eloisa Hernandez, Jennifer Camacho, Danielle N. Jarvis
Ankle Joint Utilization Differences Between Dancers And Non-Dancers During Jumping Movement, Ricardo Tolentino, Elizabeth Reyes, Danielle Serrano, Eloisa Hernandez, Jennifer Camacho, Danielle N. Jarvis
International Journal of Exercise Science: Conference Proceedings
Anterior cruciate ligament (ACL) injuries are common in sports, but dancers experience lower rates of ACL injuries compared to athletes in other team sports. While researchers have explored potential reasons for this occurrence, there has been limited research comparing bipedal jumping mechanics between dancers and other physically fit individuals. PURPOSE: To determine the kinematic and kinetic differences between dancers and non-dancers during sauté jumps and squat jumps. METHODS: Nineteen participants were involved in this study, with 10 dancers and 9 non-dancers, all of whom were equipped with reflective markers. A three-dimensional motion analysis was conducted using a …
Association Between Age And Achilles Cross-Sectional Area In Ncaa Division One Collegiate Female Gymnast, Carson J. Bates, Lee J Hinkle, Bryson Schaugaard, Phillip Hartog, Gabe Davidson, Aaron W. Johnson
Association Between Age And Achilles Cross-Sectional Area In Ncaa Division One Collegiate Female Gymnast, Carson J. Bates, Lee J Hinkle, Bryson Schaugaard, Phillip Hartog, Gabe Davidson, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Monitoring changes in Achilles cross-sectional area (CSA) or thickness may provide clinicians with insights into exercise-induced adaptations and the mechanisms of Achilles tendon injury. It has been reported that an increase in thickness of 20% or more along the course of the Achilles tendon from the proximal calcaneus may be a clinical sign of structural pathology. Evaluating the relationship between an athlete’s age and Achilles tendon thickness may offer a valuable metric for understanding tendon health. PURPOSE: This study evaluates the association between age and Achilles tendon thickness, CSA, and thickness change in collegiate gymnasts. METHODS: Bilateral Achilles …
“Just In Time”: Remote Heart Monitoring Feasibility Project For Members In Arizona Tribes – A Descriptive Report, Chiara Holgate, Scott Drum, Fatemeh Afghah, Priscilla Sanderson, Morgan Vigil-Hayes, Tim Curry, Brooke Davis
“Just In Time”: Remote Heart Monitoring Feasibility Project For Members In Arizona Tribes – A Descriptive Report, Chiara Holgate, Scott Drum, Fatemeh Afghah, Priscilla Sanderson, Morgan Vigil-Hayes, Tim Curry, Brooke Davis
International Journal of Exercise Science: Conference Proceedings
For American Indian and Alaska Natives (AI/AN) living in Arizona, cardiovascular disease (CVD) is a primary cause of death. Moreover, since many older AI/AN individuals live remotely, they may lack timely medical feedback and intervention associated with a cardiac emergency. PURPOSE: Hence, our aim was to assess the feasibility of wearing a portable electrocardiogram (ECG) device over a 14-day period in a local and potentially remote-living AI/AN population. METHODS: We recruited 5 participants from Navajo Nation. Conveniently, we enrolled “5” urban-based, AI/AN participants from Northern Arizona. The BodyGuardian Mini (Boston Scientific, Boston, MA), a Holter monitor device that …
Effects Of Thermodynamics And Stretching On Lateral Gastrocnemius Muscle Stiffness Via Shear Wave Elastography: A Pilot Study, Karissa Thompson, Kaitlyn Skinner, Ray M. Merrill, Brent Feland
Effects Of Thermodynamics And Stretching On Lateral Gastrocnemius Muscle Stiffness Via Shear Wave Elastography: A Pilot Study, Karissa Thompson, Kaitlyn Skinner, Ray M. Merrill, Brent Feland
International Journal of Exercise Science: Conference Proceedings
Shear wave elastography (SWE) has been used to assess muscle stiffness, but there is limited information on acute changes over time, particularly regarding how heating and stretching affect the intrinsic stiffness of the gastrocnemius. PURPOSE: to compare stiffness between neutral and relaxed ankle positions for the lateral head of the gastrocnemius (LG) and to evaluate whether passive heat alters muscle stiffness. A secondary aim is to assess stiffness changes in the LG over a 10-minute stretch, both with and without heat. METHODS: Thirteen subjects (4 men and 9 women) participated in this study. The mean age was 21.5 …
The Blood Pressure Response To Exercise: Untangling The Relationship Between Fitness And Fatness, Mccall Dunn, Jayson Gifford, Joseph Larsen, Braxton Bird, Grace Loveless
The Blood Pressure Response To Exercise: Untangling The Relationship Between Fitness And Fatness, Mccall Dunn, Jayson Gifford, Joseph Larsen, Braxton Bird, Grace Loveless
International Journal of Exercise Science: Conference Proceedings
The systolic blood pressure (SBP) during prescribed exercise (ExSBP) represents cardiovascular strain during tasks of daily living and is predictive of future cardiovascular disease. Individuals with greater body mass reportedly have a greater increase in ExSBP when exercise is performed at an absolute intensity (e.g., walking 2.5 mph). It is unclear if this exaggerated response persists when exercise is performed at the same intensity relative to one’s fitness (e.g., % Lactate Treshold). PURPOSE: Determine if individuals with a high body mass index (BMI) exhibit an exaggerated ExSBP when exercise is prescribed with respect to personal fitness level. METHODS: Thus …
The Effect Of Percussive Massage On Skeletal Muscle Mitochondrial Respiration During Limb Immobilization, James Bartling, Robert D. Hyldahl, Mohadeseh Ahmadi, Chad Hancock
The Effect Of Percussive Massage On Skeletal Muscle Mitochondrial Respiration During Limb Immobilization, James Bartling, Robert D. Hyldahl, Mohadeseh Ahmadi, Chad Hancock
International Journal of Exercise Science: Conference Proceedings
Skeletal muscle disuse is a common occurrence due to injury, illness, or other factors. Periods of disuse can have a profound negative impact on muscle mitochondrial function and metabolic health. Passive mechanical stimulation of skeletal muscle has demonstrated potential to improve muscle metabolic function in previous research. PURPOSE: Investigate the effect of percussive massage (PM), a trending form of muscle mechanical stimulation, on mitochondrial function and cellular metabolic pathways during a period of disuse. METHODS: 8 women and 9 men (18-35 yrs.) were randomly assigned to a control or massage group during a period of lower limb immobilization for 10 …
Acute Effects Of Multi-Joint Eccentric Exercise On Lower Extremity Muscle Activation Measured During Land And Water Walking, Talin Louder, Brayden Worley, Brennan J. Thompson, Jon Carey
Acute Effects Of Multi-Joint Eccentric Exercise On Lower Extremity Muscle Activation Measured During Land And Water Walking, Talin Louder, Brayden Worley, Brennan J. Thompson, Jon Carey
International Journal of Exercise Science: Conference Proceedings
Aquatic walking combined with lower-body eccentric exercise provides a low-impact, time-efficient method for improving strength and mobility. While both modalities show promise individually, it is unclear if neuromuscular activation patterns during aquatic walking remain consistent following a short bout of submaximal eccentric exercise. PURPOSE: To compare lower-extremity muscle activation during walking performed in chest-deep water versus on land, before and after a short bout of eccentric exercise. METHODS: Twenty-six healthy, recreationally active young adults completed the study (male = 16; female = 10; age = 21.6 ± 2.5 years; height = 176.4 ± 6.9 cm; mass = 75.9 …
Impact Of Time Of Day And Gender On Power Output In Division I Athletes, Nicholas Urias, Kennedy Krebs, Dalton Lesser, Zachary Farrel, Zachary Zeigler
Impact Of Time Of Day And Gender On Power Output In Division I Athletes, Nicholas Urias, Kennedy Krebs, Dalton Lesser, Zachary Farrel, Zachary Zeigler
International Journal of Exercise Science: Conference Proceedings
Power is increased in the afternoon compared to the morning. Whether this impact is similar for both sexes is not clear. PURPOSE: The purpose of this study is to determine if there is an interaction between sex and time of day on power. METHODS: 223 Men and 216 women division 1 athletes from soccer, volleyball, baseball, track and field, tennis, basketball, and cross country were tested. Athletes were asked to complete counter movement jumps, multiple times on a force plate (VALD) throughout the academic year. Dependent variables were jump height, relative peak power (RPP), absolute peak power (APP), …
Pilot Study Looking At The Effect Of Thermodynamics On Achilles Tendon Using Elastography., Kaitlyn J. Skinner, Karissa M. Thompson, Ray M. Merrill, J. Brent Feland
Pilot Study Looking At The Effect Of Thermodynamics On Achilles Tendon Using Elastography., Kaitlyn J. Skinner, Karissa M. Thompson, Ray M. Merrill, J. Brent Feland
International Journal of Exercise Science: Conference Proceedings
Shear wave elastography (SWE) was first introduced in the 1990s and has recently been used to investigate muscle and tendon stiffness. While studies have demonstrated that SWE is an effective method of determining muscle stiffness, limited data exist on how SWE measurements of the Achilles change with passive heat and stretching. PURPOSE: to determine Achilles tendon stiffness measured in two different ankle positions, and to assess whether the application of passive heat independently alters Achilles tendon stiffness. METHODS: 13 subjects participated in this study (4 men and 9 women). Mean age 21.5 ± 2.5 yrs for men and …
Dietary Supplement Use And Motivations In Competitive Vs. Non-Competitive Athletes, Amber Hadfield, Abigail Larson
Dietary Supplement Use And Motivations In Competitive Vs. Non-Competitive Athletes, Amber Hadfield, Abigail Larson
International Journal of Exercise Science: Conference Proceedings
Dietary supplements come in various forms, including powders, bars, gummies, liquids, tablets, and capsules and are commonly used by athletes. Motivations for supplement use are varied and may be influenced by sport type and competitive goals. PURPOSE: This study aimed to compare supplement usage and reasons for consumption between competitive (C) and non-competitive (NC) strength and power athletes. METHODS: Strength and power athletes were recruited from a local training center to complete an online survey distributed via QR code and online link. Data collected included competition status, supplements consumed, reasons for use, and knowledge of U.S. supplement regulations. Responses were …
The Effect Of Unloading On Bilateral Femoral Cartilage Thickness In Active Females, Sophia A. Muller, Mari Bufkin, Michele Leblanc
The Effect Of Unloading On Bilateral Femoral Cartilage Thickness In Active Females, Sophia A. Muller, Mari Bufkin, Michele Leblanc
International Journal of Exercise Science: Conference Proceedings
Research investigating the effect of femoral cartilage thickness frequently includes an unloading period prior to any loading intervention. The duration of this period varies between studies, ranging from 0 to 60 minutes with most studies using 30 or 45 minutes. Niehoff et al. (2011) reported either no changes or increases in cartilage thickness after 30 minutes using MRI. PURPOSE: To investigate the effect of unloading time on femoral cartilage thickness in active females for both knees. METHODS: 18 college aged (18-23 years old) physically active injury-free females laid supine on a padded plinth. Ultrasound images were collected for both knees …
The Gut Microbiome And How Adhd And Parkinson’S Disease May Be Linked, April Mccoy, Maria Bellumori
The Gut Microbiome And How Adhd And Parkinson’S Disease May Be Linked, April Mccoy, Maria Bellumori
International Journal of Exercise Science: Conference Proceedings
There is growing interest in the gut microbiome and its effects on the central nervous system (CNS). Good bacteria in the gut play a role in neurotransmitter synthesis and regulation, which contributes to CNS control. Excess harmful bacteria may lead to leaky gut syndrome and neuroinflammation. Dysbiosis refers to a negative imbalance of the two types of bacteria and is associated with disease and decreased dopamine synthesis. Decreased dopamine, a neurotransmitter, plays a pivotal role in the manifestation of symptoms associated with attention-deficit/hyperactivity disorder (ADHD) and Parkinson's disease (PD). Previous studies have demonstrated a correlation between the gut microbiome and …
The Relationship Between Light Physical Activity And 10-Year Weight Change In 2,868 U.S. Adults: An Nhanes Investigation, Chloe Cory, Larry A. Tucker
The Relationship Between Light Physical Activity And 10-Year Weight Change In 2,868 U.S. Adults: An Nhanes Investigation, Chloe Cory, Larry A. Tucker
International Journal of Exercise Science: Conference Proceedings
The prevalence of obesity has steadily increased for the past several decades. About 13.4% of Americans aged 20-74 had obesity in 1960-1962 and the prevalence jumped to 42.8% in 2017-2018—more than a 3-fold increase. PURPOSE: The aim of this study was to evaluate the relationship between time spent in light physical activity (LPA) and 10-year weight change in a random sample of 2868 women and men representative of the U.S. adult population. METHODS: Cross-sectional data was used from the National Health and Nutrition Examination Survey (NHANES) from the 2003-2006 data cycles. Participants were limited to non-pregnant U.S. adults …
Is Ambulatory Blood Pressure A Good Predictor Of The Blood Pressure Response To Moderate-Intensity Exercise?, Braxton Bird, Jayson Gifford, Joseph Larsen
Is Ambulatory Blood Pressure A Good Predictor Of The Blood Pressure Response To Moderate-Intensity Exercise?, Braxton Bird, Jayson Gifford, Joseph Larsen
International Journal of Exercise Science: Conference Proceedings
Cardiovascular Disease (CVD) has been the leading cause of death in the United States since the 1920s. One of the most prominent precursors of CVD is high blood pressure (hypertension), which is commonly diagnosed by using the gold standard method of 24-hour blood pressure monitoring (ABPM). However, ABPM isn’t controlled throughout the day and is not very reproducible. Recently exercise systolic blood pressure (ExSBP) has received more attention since it is highly regulated and accurately represents cardiovascular strain during tasks of daily living. Purpose: The objective of this study is to determine whether ambulatory blood pressure could act as …
Blood Flow Observed In The Majority Of Gymnasts’ Achilles And Patellar Tendons Despite Their Years Of Experience, Kalissa Cox, Lee J Hinkle, Phillip Hartog, Bryson T. Schaugaard, Gabe Davidson, Aaron W. Johnson
Blood Flow Observed In The Majority Of Gymnasts’ Achilles And Patellar Tendons Despite Their Years Of Experience, Kalissa Cox, Lee J Hinkle, Phillip Hartog, Bryson T. Schaugaard, Gabe Davidson, Aaron W. Johnson
International Journal of Exercise Science: Conference Proceedings
Gymnasts frequently suffer from tendinopathy. Additionally, time of participation in gymnastics may increase the risk of tendinopathy. Neovascularization is associated with tendinopathy of the body as it attempts to heal. Neovascularization of the Achilles and patellar tendons can be assessed using intra-tendinous Power Doppler Imaging (PDI) via ultrasound. Exercise and training increases blood flow; thus we sought to measure blood flow post-exercise when blood flow was potentially the highest. PURPOSE: The purpose of this study was to determine whether the gymnasts’ years of experience was associated with the blood flow to the Achilles and patellar tendons post-exercise. METHODS: Twenty-four female …
The Impact Of Music On Rating Of Perceived Exertion And Perceived Fatigue During An Acute Light And Moderate Intensity Deadlift Session In Recreationally Active Adults, Spencer M. Maxwell, Olivia Perez, Seterah (Star) Zarei, Devin Green, Micheal Wong, Dustin Davis, Wyatt Fullmer, Alex Jarvis, Jeffery C. Cowley, Merrill Funk, James Navalta, Facsm, Marcus M. Lawrence
The Impact Of Music On Rating Of Perceived Exertion And Perceived Fatigue During An Acute Light And Moderate Intensity Deadlift Session In Recreationally Active Adults, Spencer M. Maxwell, Olivia Perez, Seterah (Star) Zarei, Devin Green, Micheal Wong, Dustin Davis, Wyatt Fullmer, Alex Jarvis, Jeffery C. Cowley, Merrill Funk, James Navalta, Facsm, Marcus M. Lawrence
International Journal of Exercise Science: Conference Proceedings
Self-selected music has been found to have an ergogenic effect on certain parameters of resistance training (e.g., maximal strength) and studies have largely focused on upper body outcomes (e.g., bench press or handgrip). However, very few studies have examined lower body exercises as well as compared exercise intensities. PURPOSE: To determine, compared to no music, the effect music has on perceived exertion and fatigue during an acute session of the deadlift exercise at various intensities. METHODS: 12 recreationally active adults (n=5 females, n=7 males, age: 29.9±7.5 yrs; mass: 87.7±27.6 kg; height: 178.1±12.1 cm) completed 4 sets of 6 repetitions of …
Associations Between Serum And Skeletal Muscle Androgens And Androgen Receptor-Associated Biomarkers, Lean Body Mass, And Muscular Strength, Derek Flores, Thomas D. Cardaci, Dillon Harris, Steven B. Machek, Darryn Willoughby
Associations Between Serum And Skeletal Muscle Androgens And Androgen Receptor-Associated Biomarkers, Lean Body Mass, And Muscular Strength, Derek Flores, Thomas D. Cardaci, Dillon Harris, Steven B. Machek, Darryn Willoughby
International Journal of Exercise Science: Conference Proceedings
The relationships between lean body mass (LBM), muscular strength, androgens, and several androgen receptor (AR)-associated biomarkers are sparsely described. PURPOSE: To examine any potential correlations linking these aforementioned factors. METHODS: 10 resistance-trained males were recruited for this crossover study, each assessing their leg and bench press one-repetition maximums (1RM) and body composition before completing two volume- and intensity-equated resistance training sessions separated by 7-10 days. Serum and skeletal muscle tissue samples were acquired in each session at baseline, 3-hours, and 24-hours post-exercise to assess circulating and muscle androgens (testosterone [TST] and dihydrotestosterone [DHT]), AR protein content and gene …
Comparative Analysis Of Electromyographic Signals Using Bursts And Epochs: Optimizing Measurement Accuracy And Reliability In Signal Processing, Anabel Groskopf, Cory M. Smith, Brent Alvar, Kristen Snyman
Comparative Analysis Of Electromyographic Signals Using Bursts And Epochs: Optimizing Measurement Accuracy And Reliability In Signal Processing, Anabel Groskopf, Cory M. Smith, Brent Alvar, Kristen Snyman
International Journal of Exercise Science: Conference Proceedings
Electromyography (EMG) is a tool for assessing muscle activity, yet methods for signal selection during dynamic muscle contractions remains unclear. PURPOSE: To compare dynamic EMG signals in single contraction BURSTS vs. multi-contraction time EPOCHs during non-fatiguing cycle ergometry. METHODS: 19 recreationally trained college-aged cyclists visited the lab on two separate occasions. The first visit included informed consent, familiarization, and the completion of a graded exercise test to determine VO2max, the gas exchange threshold (GET), Rating of Perceived Exertion (RPE) at GET, and power output associated with GET and VO2max. Participants returned to the lab 48 hr later to …
Early And Later Stage Muscle Recovery From Lengthening Contraction-Induced Injury In Cigarette Smoke-Exposed Mice, Lloyd K.T. Marshall, William Wong, Tyler M. Kent, Jacob Baker, Kyle Parks, Nicholas Trathen, Kyle Dominguez, Kristen Keeble, Christopher Alfaro, Drew Johnson, Rafael Parnes, Andrew Tambunting, Alex Yee, Leonardo Nogueira Phd
Early And Later Stage Muscle Recovery From Lengthening Contraction-Induced Injury In Cigarette Smoke-Exposed Mice, Lloyd K.T. Marshall, William Wong, Tyler M. Kent, Jacob Baker, Kyle Parks, Nicholas Trathen, Kyle Dominguez, Kristen Keeble, Christopher Alfaro, Drew Johnson, Rafael Parnes, Andrew Tambunting, Alex Yee, Leonardo Nogueira Phd
International Journal of Exercise Science: Conference Proceedings
The use of tobacco products is associated with lower recovery from strenuous exercise, and mice exposed to cigarette smoke (CS) show impaired myofiber cross sectional area recovery from muscle injury. PURPOSE: To investigate the effects of short-term (i.e., 8 weeks) CS exposure on the early (7 days) and later stage (14 days) in vivo torque recovery of anterior crural muscles, EDL muscle force, and TA myofiber formation recovery after lengthening contractions (LCP). METHODS: Adult male (n=14) and female (n=13) mice expressing tdTomato fluorescent protein in satellite cells (Pax7CreER-Ai9, 8 weeks old) were daily exposed to smoke produced from …
The Effect Of Exercise On Serum Cytokines Soluble Cytokine Receptors., Kosar Valaei, Jonathan Specht, Jeremy Ducharme, Alyssa Bailly, Michael Deyhle
The Effect Of Exercise On Serum Cytokines Soluble Cytokine Receptors., Kosar Valaei, Jonathan Specht, Jeremy Ducharme, Alyssa Bailly, Michael Deyhle
International Journal of Exercise Science: Conference Proceedings
Cytokines mediate many acute and chronic responses to exercise through interaction with their membrane-bound receptor(s). However, in addition to the cytokines themselves, there exist soluble versions of cytokine receptors that may change in response to exercise. Soluble receptors represent an additional regulatory and modulatory layer of cytokine signaling. More attention to soluble cytokine receptors is needed to understand cytokine bioavailability and signaling following exercise. PURPOSE: To determine how cytokines and their soluble receptors change in the serum of both trained and untrained men after vigorous exercise. METHODS: Seven endurance-trained and five untrained men (N=12) participated in this study. Anthropometrics, cardiorespiratory …
The Effect Of Anticipation On Limb Symmetry During The Landing Error Scoring System Test, Marisol Valenzuela, Monica X. Cortes, Luis J. Valadez, Dominick J. Cece-Sherley, Warren O. Forbes
The Effect Of Anticipation On Limb Symmetry During The Landing Error Scoring System Test, Marisol Valenzuela, Monica X. Cortes, Luis J. Valadez, Dominick J. Cece-Sherley, Warren O. Forbes
International Journal of Exercise Science: Conference Proceedings
The Landing Error Scoring System (LESS) is a field test consisting of a 17-item checklist that identifies the presence of biomechanical risk factors during a drop jump task that have been prospectively linked to non-contact lower extremity injuries. The standard LESS does not address limb differences or any element of anticipation that is often seen in the athletic settings. PURPOSE: The purpose of this study was to assess the influence of anticipation on limb symmetry during the landing error scoring system test. METHODS: All jumping trials were performed off a 30 cm platform into a marked area on the ground. …
The Effects Of Backwards Walking On Quadriceps Muscle Activation After Acl Reconstruction: A Pilot Study, Sophia M. Miller, Kevin Valenzuela, Reagan Recchia, Makana Woods, Alexa Johnson, Riann Palmieri-Smith
The Effects Of Backwards Walking On Quadriceps Muscle Activation After Acl Reconstruction: A Pilot Study, Sophia M. Miller, Kevin Valenzuela, Reagan Recchia, Makana Woods, Alexa Johnson, Riann Palmieri-Smith
International Journal of Exercise Science: Conference Proceedings
Quadriceps muscle activation is commonly decreased in persons after ACL reconstruction. Backwards walking has been studied as an intervention to improve quadriceps muscle strength for individuals with knee osteoarthritis. However, it is unknown if backwards walking could increase quadriceps muscle activation in persons with anterior cruciate ligament injuries. PURPOSE: The purpose of this study was to understand the effects of backwards walking on quadriceps muscle activity. METHODS: A single participant who had an ACL reconstruction (F, age: 21 yrs, time since surgery: 33 months) and a single healthy, uninjured control (F, age: 21) completed three walking trials each …
The Effect Of Multidirectional Loading And Limb On Femoral Cartilage Thickness In Females Using Ultrasound, Mari C. Bufkin, Sophia A. Muller, Michele Leblanc
The Effect Of Multidirectional Loading And Limb On Femoral Cartilage Thickness In Females Using Ultrasound, Mari C. Bufkin, Sophia A. Muller, Michele Leblanc
International Journal of Exercise Science: Conference Proceedings
Previous research has been conducted on femoral cartilage response to unidirectional (single plane) movements such as drop landings, running, and walking. However, no existing research has focused on the response of femoral cartilage to multidirectional movements. Bini (2021) reported a difference in limb response to unidirectional forces. PURPOSE: To determine the effect of multidirectional loading and limb on femoral cartilage thickness using ultrasound. METHODS: Eighteen college-aged, physically active females (aged 18-23) participated in the study. After 45 minutes of femoral cartilage unloading, participants performed 120 drop-landing to cutting movements off of a 46 cm box (60 in each …
Effects Of Coaching On Single-Leg Triple-Hop Performance And Joint Kinematics For Youth Athletes, Parker J. Dean, D. Peter Williamson, Callie Rae Floyd, Corinne Vorkink, Ben Barton, Elizabeth D. Miles, Justin Yee, Matthew K. Seeley Facsm
Effects Of Coaching On Single-Leg Triple-Hop Performance And Joint Kinematics For Youth Athletes, Parker J. Dean, D. Peter Williamson, Callie Rae Floyd, Corinne Vorkink, Ben Barton, Elizabeth D. Miles, Justin Yee, Matthew K. Seeley Facsm
International Journal of Exercise Science: Conference Proceedings
Coaching cues might influence athletic performance and injury risk for young athletes. Coaching cues can be categorized as internal or external. The effects of internal and external coaching cues on jumping performance are unclear. PURPOSE: To compare the effects of external and internal coaching cues on single-leg triple-hop jump distance, ground contact time, and sagittal-plane hip, knee, and ankle joint kinematics for youth athletes performing a single-leg triple-hop test. METHODS: 39 volunteers (24 males and 15 females, Ages 10-17 yrs) were randomly assigned to a control, internal-, or external-cue group. All participants completed 3 pre-intervention jumping trials. The …