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Case Presentation For Slipped Capital Femoral Epiphysis (Scfe), Isaac T. Edwards, Lucas M. Edwards, Kent Willis Feb 2025

Case Presentation For Slipped Capital Femoral Epiphysis (Scfe), Isaac T. Edwards, Lucas M. Edwards, Kent Willis

International Journal of Exercise Science: Conference Proceedings

CASE HISTORY: The patient is a 15-year-old male who presented with left hip pain of approximately 2 weeks in duration. The patient reported that the pain worsened with hip movement. He also described intermittent popping in the hip and pain radiating to the lateral thigh. The pain began before he fell and struck his hip 3 days ago. Despite using ibuprofen and Tylenol, the pain persisted with minimal relief. PHYSICAL EXAM: The patient appeared well-developed and well-nourished with no apparent distress. Musculoskeletal exam revealed pain with full flexion and external rotation of the left hip, but muscle strength …


Age-Related Changes In Memory Performance In Memory Athletes, Riya Pradhan, Shubham Yadav, Hirofumi Tanaka Dr. Feb 2025

Age-Related Changes In Memory Performance In Memory Athletes, Riya Pradhan, Shubham Yadav, Hirofumi Tanaka Dr.

International Journal of Exercise Science: Conference Proceedings

Age-related decline in cognition is a well-documented phenomenon characterized by marked reductions in working and episodic memory. Memory athletes are individuals competing in a variety of memory sports. They exhibit exceptional and remarkable recall and cognitive performance. In spite of the extraordinary cognitive prowess exhibited by memory athletes, there is very little information available regarding the effects of aging on memory performance in this unique group. PURPOSE: This study investigated age-associated changes in memory performance in memory athletes competing in the memory championship events. METHODS: Among all the memory competitions, we examined performance trends in the 5-minute and 15-minute number …


Reliability Of The Volumental 3d Foot Scanner Before And After Jogging, Carlos D. Tamayo, John D. Smith Feb 2025

Reliability Of The Volumental 3d Foot Scanner Before And After Jogging, Carlos D. Tamayo, John D. Smith

International Journal of Exercise Science: Conference Proceedings

The Volumental 3D scanner aims to improve traditional measurement methods by providing a 3D model with six different foot measures. Foot measures using the scanner have been collected to analyze the variability in foot dimensions among a North American sample (Jurca, 2019) as well as how shoe sizes differ from brand to brand (Jurca, 2021). PURPOSE: To explore the Volumental 3D scanner as a reliable tool for health professionals and athletes. METHODS: Twenty participants (age=33.25 ±14.0 yrs, height=169.0 ± 7.5 cm, weight=76.9 ±13.9 kg) were recruited by word of mouth. Participants removed their shoes (socks were not removed) and stood …


A Comparative Analysis Of Nutritional Knowledge Among Division 1 College Athletes, Malachi Lecadre-Grey, Emily Castillo Feb 2025

A Comparative Analysis Of Nutritional Knowledge Among Division 1 College Athletes, Malachi Lecadre-Grey, Emily Castillo

International Journal of Exercise Science: Conference Proceedings

Nutrition is a cornerstone of athletic performance, yet many athletes at the collegiate level lack sufficient knowledge about how to properly fuel their bodies for optimal performance. While athletes generally recognize that nutrition is important for health and performance, many fail to fully understand the specific nutritional needs that support their intense physical demands. This gap in nutritional knowledge can hinder not only their performance, but also their recovery and long-term health. Given the complex role that nutrition plays in athletes’ training, competition, and recovery, addressing this knowledge gap is essential for ensuring athletes can reach their full athletic potential. …


Circulating Lipid Mediators Modulate Skeletal Muscle Repair, Logan Moore, Kamal Awad, Marco Brotto Feb 2025

Circulating Lipid Mediators Modulate Skeletal Muscle Repair, Logan Moore, Kamal Awad, Marco Brotto

International Journal of Exercise Science: Conference Proceedings

Skeletal muscle injuries account for the majority of sports related trauma. However, skeletal muscle has a unique quality in its’ innate ability to repair and regenerate. PURPOSE: The goal of this study was to detail the regenerative capacity of skeletal muscle through analysis of lipid mediator (LM) signaling in the circulation. METHODS: Wild-type (C57BL/6) mice were blindly randomized into 4 groups: Baseline-Control, 4-Day post injection, 7-Day, and 1-month (n=12). Skeletal muscle damage was initiated through an intra-muscular injection of 50 μL of 1.2% Barium Chloride (BaCl2) in the tibialis anterior (TA). The contralateral limb served as …


The Effect Of Stroller Pushing Technique On The Oxygen Cost Of Uphill Running, Chase Bennett, Jordan Sanders, Dustin P. Joubert Feb 2025

The Effect Of Stroller Pushing Technique On The Oxygen Cost Of Uphill Running, Chase Bennett, Jordan Sanders, Dustin P. Joubert

International Journal of Exercise Science: Conference Proceedings

Running with a stroller can be an appealing exercise mode for parents. However, pushing a stroller can increase the metabolic demand of running, especially uphill, potentially making it less tolerable and sustainable. PURPOSE: Determine the effects of two uphill stroller pushing techniques on the oxygen cost of running. METHODS: Eight runners (5 male, 3 female) were tested utilizing a forward (FWD) and downward (DWN) stroller pushing technique while running uphill. FWD push involved applying force directly ahead parallel to the ground. DWN push involved slightly leaning forward and pushing down on the handlebar of the stroller perpendicular to the ground …


Mental Toughness As A Catalyst For Social Team Cohesion: A Longitudinal Study In Female Collegiate Dancers, Alex J. Barber, Spencer A. Cavan, Andreas Stamatis Feb 2025

Mental Toughness As A Catalyst For Social Team Cohesion: A Longitudinal Study In Female Collegiate Dancers, Alex J. Barber, Spencer A. Cavan, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

Cohesion bridges psychological and tactical aspects of how teams are structured and operate, significantly influencing both individual and team performance. Research has highlighted its particularly strong impact on women’s athletic success. Studies also show that women tend to prioritize social harmony, resolve conflicts collaboratively, and rely more on interpersonal relationships for team cohesion. While task-related cohesion (e.g., achieving performance goals) is often stable in elite athletes, social cohesion remains a malleable area for intervention. Mental toughness (MT), a trainable personal capacity, is theorized to enhance performance consistency under stress. However, MT’s role in fostering team cohesion, particularly social cohesion, remains …


The Effects Of Cognitive Demands On Landing Stability During Single-Leg Landings, Jongil Lim, Jaelynn Barrera, Jasmin Brown Feb 2025

The Effects Of Cognitive Demands On Landing Stability During Single-Leg Landings, Jongil Lim, Jaelynn Barrera, Jasmin Brown

International Journal of Exercise Science: Conference Proceedings

Non-contact anterior cruciate ligament (ACL) injuries commonly occur during the early deceleration phase of one-leg landing. While the risk of ACL injury increases with concurrent cognitive demands such as attention, reaction time or inhibitory control, only a few studies have investigated the association between cognitive function and unplanned landing mechanics under the jump-and-land movement paradigm. PURPOSE: The purpose of this study was to determine the biomechanical costs of single leg landing as a function of inhibitory control applied for the selection of landing limbs. METHODS: Participants (6 females and 8 males, 23.4 ± 5.2 years) were required to …


Analyzing Novice’S Free Throw Accuracy In Response To Different Feedback, Yadon Tramel, Tatiana Zhuravleva Feb 2025

Analyzing Novice’S Free Throw Accuracy In Response To Different Feedback, Yadon Tramel, Tatiana Zhuravleva

International Journal of Exercise Science: Conference Proceedings

Feedback is an essential component of an athlete’s performance and much research has explored the effect that various forms of feedback have on skill acquisition. For novices, there is speculation on what type of feedback would be more beneficial, especially regarding accuracy. PURPOSE: This study analyzed which form of feedback: visual (ViFB), verbal (VFB), or observational (OFB), yielded better performance in free throw accuracy amongst novices. METHODS: 39 University-aged individuals volunteered and were randomly assigned into one of 3 feedback groups. Participants completed a baseline test, a series of acquisition trials, and a retention test. Specifically, participants shot 15 free …


Hypertrophic Aide By Limb Occlusion To Mitigate Muscle Atrophy In Spaceflight, Anaya Kashikar, Erin Rocha, Makiyah Brittmon, Martha Word, Clay Martin, Matthew Pearson, Josey Salazar, Hannah Schnettler, Karolyn Skoby, Hunter Alvis, Cayla Clark, Baraquiel Reyna, Brandon R. Rigby Feb 2025

Hypertrophic Aide By Limb Occlusion To Mitigate Muscle Atrophy In Spaceflight, Anaya Kashikar, Erin Rocha, Makiyah Brittmon, Martha Word, Clay Martin, Matthew Pearson, Josey Salazar, Hannah Schnettler, Karolyn Skoby, Hunter Alvis, Cayla Clark, Baraquiel Reyna, Brandon R. Rigby

International Journal of Exercise Science: Conference Proceedings

Long-duration spaceflight can elicit increases in muscle disuse, thereby leading to a decrease in muscle mass. The consequences of these negative effects include decreases in muscle strength and mobility, and an increase in injury risk. The large muscle groups of the lower body are particularly susceptible to these adaptations. PURPOSE: To design, fabricate, and test a compact device that allows for blood flow restriction to be implemented during resistance training in spaceflight to promote muscle hypertrophy and aid in muscle recovery. METHODS: The custom device was originally designed in three-dimensional modeling software (Solidworks Premium, Waltham, MA). Components of …


Agreement Between Two Systems For Measuring Vertical Jump Height, Bianca L. Flores, John D. Smith Feb 2025

Agreement Between Two Systems For Measuring Vertical Jump Height, Bianca L. Flores, John D. Smith

International Journal of Exercise Science: Conference Proceedings

Measuring vertical jump is considered one of the standardized test used to determine athletic performance. The Vertec is considered the gold standardized test for vertical jump where this equipment is hard to obtain and typically expensive. However easily mobile, more accessible, and less expensive equipment such as the Jawku has yet to be explored on its reliability and validity in vertical jump heights. PURPOSE: To determine if new technological equipment (Jawku) is a valid measurement of vertical jump height. METHODS: Forty participants (Age= 23.4±4.4 yrs, height= 66.8±3.7 in, weight= 164.5±36.4 lbs, shoe size= 9.2±1.6 US) were measured for …


Effect Of Energy Drinks On Manual Dexterity And Reaction Time In Esports Athletes, Joshua G. Gonzalez, John D. Smith Feb 2025

Effect Of Energy Drinks On Manual Dexterity And Reaction Time In Esports Athletes, Joshua G. Gonzalez, John D. Smith

International Journal of Exercise Science: Conference Proceedings

INTRODUCTION: With the rise of esports and energy drink use among gamers, it is essential to understand its effect on performance. PURPOSE: To examine how energy drinks affect esport athletes' manual dexterity and reaction time. METHODS: Twenty volunteers, ages 18 to 40, were tested after ingesting 16 oz of G Fuel, Red Bull, Bang Energy Drink, and a placebo. Sessions were counterbalanced and separated by three to seven days. The Box and Block Test assessed manual dexterity, AimLab Detection and Grid Shot assessed hand-eye coordination, and Human Benchmark assessed reaction time. Repeated measures ANOVA were used to assess difference with …


Accuracy Of A Mobile 3d Body Scanning App For Body Composition, Faith N. Aldama, Lillianna Guajardo, Gabriella Martinez, John D. Smith Feb 2025

Accuracy Of A Mobile 3d Body Scanning App For Body Composition, Faith N. Aldama, Lillianna Guajardo, Gabriella Martinez, John D. Smith

International Journal of Exercise Science: Conference Proceedings

Consumers are increasingly seeking technology to help track health improvements. This study focuses on a free app that using 3D body scanning to assess body composition. PURPOSE: to evaluate the validity of a free app for measuring percent body fat (%BF) by comparing it to an established lab method. METHODS: Thirty-two participants (age= 25.9±9.1 years, height= 65.1±4.3 in, weight= 173.8±4.2 lbs) had body composition measured using the BodPod, InBody 570, Omron HBF-306, and the MeThreeSixty app. A Repeated Measures ANOVA was used to explore significant difference in percent body fat (%BF) between the four measures with the Bonferroni …


Heart Rate Variability After Different Orders Of Upper- And Lower-Body Resistance Exercise In Men, Yu Lun Tai, Chien Ting Wu, Ryan D. Russell Feb 2025

Heart Rate Variability After Different Orders Of Upper- And Lower-Body Resistance Exercise In Men, Yu Lun Tai, Chien Ting Wu, Ryan D. Russell

International Journal of Exercise Science: Conference Proceedings

Acute resistance exercise (RE) has been shown to induce similar impacts on heart rate variability (HRV) between upper- and lower-body RE. However, different orders of combined upper- and lower-body RE on HRV are unknown. PURPOSE: To compare the different orders of upper-and lower-body RE on HRV in young men. METHODS: Thirty-two young men (23±4 years old) completed the study. HRV was expressed as natural logarithm (Ln), and included Root mean square successive difference (LnRMSSD), the proportion of NN50 divided by the total number of NN (R-R) intervals (LnPNN50), total power (LnTP), low frequency power (LnLF), and high frequency power …


Agreement Of Opencap With Apdm Temporal Variables While Walking, Ceanna M. Mccarty, Kylie Barnard, Gary Guerra, John D. Smith Feb 2025

Agreement Of Opencap With Apdm Temporal Variables While Walking, Ceanna M. Mccarty, Kylie Barnard, Gary Guerra, John D. Smith

International Journal of Exercise Science: Conference Proceedings

APDM is commonly used in research, rehabilitation, and sports medicine to analyze gait patterns using sensors to gather temporal data on each limb and to the computer. Because of the high cost and tedious training it is inaccessible to most of the population. OpenCap AI is a gait analysis software that uses iOS cameras instead of sensors. The use of iOS devices makes the software more accessible and can provide massive advantages is rehabilitation, research, and sports medicine. PURPOSE: To assess agreement of temporal variables while walking with APDM and OpenCap. METHODS: Participants (n=29, age=29.6±15.1 yrs, ht=165.7±8.8 cm, wt=68.4±18.3 kg) …


Short-Distance And Rotational Deceleration As Key Determinants Of High-School Basketball Agility: A Preliminary Clustering Analysis, Eric Hsu, Adan Petway, Andreas Stamatis Feb 2025

Short-Distance And Rotational Deceleration As Key Determinants Of High-School Basketball Agility: A Preliminary Clustering Analysis, Eric Hsu, Adan Petway, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

Deceleration ability is fundamental to basketball performance, influencing change of direction, defensive positioning, and movement efficiency. While linear deceleration is commonly assessed, rotational deceleration’s role in basketball-specific agility remains relatively underexplored on the high-school level. Overlooking the unique force demands, joint angles, and neuromuscular control required to stop and change direction rotationally, may hinder athlete preparation, injury prevention, and training effectiveness. PURPOSE: To determine the relationship between rotational deceleration (505 Left/Right), linear deceleration (5m/10m Decel), and lateral agility (5-5 Lateral Shuffle Left/Right) in high-school basketball players and identify the key determinant of agility performance. METHODS: Thirty-three male high-school …


Pharmaceutical And Lifestyle Solutions For Male Infertility, Zacharias Papadakis, Justin M. Dubin, Andreas Stamatis Feb 2025

Pharmaceutical And Lifestyle Solutions For Male Infertility, Zacharias Papadakis, Justin M. Dubin, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

CASE HISTORY: A 49-year-old male and a 41-year-old female with a seven-year history of infertility presented to Urology. Despite a successful IVF in 2021, natural conception remained elusive. The male reported fatigue, lethargy, low libido, and unexplained weight gain. A prior scrotal ultrasound detected bilateral varicocele with reverse flow. Both had no significant medical, family, sexually transmitted diseases or significant inherited conditions within their immediate families. The male patient maintains an active lifestyle and avoids tobacco and alcohol consumption. Despite adhering to a healthy diet and exercise regimen during the previous year of infertility treatment with clomiphene (50 mg …


Range Of Motion & Strength In The Shoulder Of Female Athletes, Claire Romo, Scott Mclean Feb 2025

Range Of Motion & Strength In The Shoulder Of Female Athletes, Claire Romo, Scott Mclean

International Journal of Exercise Science: Conference Proceedings

Given the extensive shoulder movements in athletes who perform overhead movements, it was anticipated that these athletes would present with stronger shoulders that could achieve a greater range of motion. PURPOSE: This study examined shoulder range of motion (ROM) and isometric strength in internal (IR) and external (ER) rotation in overhead (OH) and non-overhead (NO) athletes. METHODS: Twelve OH female athletes (19.9±0.9 yr, 174.4±6.4cm, 68.1±9.6 kg) and 10 NO female athletes (20±0.9 yr,167.4±6.3 cm, 64.9±10.4 kg) participated from an NCAA Division 3 school. Exclusion criteria included male athletes, athletes with shoulder injuries, dual sport athletes, and non-athletes. Participants completed a …


Corrected Echo Intensity Is Not Related To Fatigability Or Indices Of Aerobic Fitness In Healthy Young Adults: A Pilot Study, Kase J. Pennartz, Michael R. Perlet, Marek Kerr, Joshua L. Keller Feb 2025

Corrected Echo Intensity Is Not Related To Fatigability Or Indices Of Aerobic Fitness In Healthy Young Adults: A Pilot Study, Kase J. Pennartz, Michael R. Perlet, Marek Kerr, Joshua L. Keller

International Journal of Exercise Science: Conference Proceedings

Muscle quality (MQ), measured via echo intensity, is regularly used to characterize muscle function and disease. Although it has been related to measures of cardiovascular performance, muscle strength, power, and function in elderly populations, these relations are not consistently observed in younger adult populations. Specifically, the relations of MQ and various functional outcomes (e.g., muscle strength, fatigability, and aerobic fitness) remain unclear, particularly given the interplay between age-related changes in fatiguability and performance. PURPOSE: Therefore, the purpose of this study was to examine the relation of MQ among muscle strength, fatigability, and indices of aerobic fitness in young healthy …


Postural Balance Adaptations Following An 8-Week Classical Mat Pilates Program In Healthy Individuals, Ana Carolina Carolina Panhan, Anupama Thapa, Giovana Duarte Eltz, Marina Melo Villalba, Mauro Gonçalves, Adalgiso Coscrato Cardozo, Joosung Kim, Maria Beatriz Duarte Gavião Feb 2025

Postural Balance Adaptations Following An 8-Week Classical Mat Pilates Program In Healthy Individuals, Ana Carolina Carolina Panhan, Anupama Thapa, Giovana Duarte Eltz, Marina Melo Villalba, Mauro Gonçalves, Adalgiso Coscrato Cardozo, Joosung Kim, Maria Beatriz Duarte Gavião

International Journal of Exercise Science: Conference Proceedings

The central nervous system uses proprioceptive inputs from muscles, joints, and skin to maintain postural balance. Pilates exercises, which strengthen abdominal and pelvic muscles, are known to improve spinal stability and postural control. However, limited research has specifically examined the effects of mat-based Pilates training on center of pressure (COP) parameters, a key indicator of postural stability, especially over different training durations. PURPOSE This study aimed to investigate the effects of mat-based Pilates training on postural balance by analyzing center of pressure (COP) parameters at three time points: before training (Pre-T), after four weeks of training (4W-T), and after eight …


Breaking The Injury Cycle: The Role Of Comprehensive Integration In Injury Recurrence Among Female Collegiate Athletes, Jeffrey Rivera, Paul Mentele, Nathan Wells, Xavier Smith, Ernest Rimer, Andreas Stamatis Feb 2025

Breaking The Injury Cycle: The Role Of Comprehensive Integration In Injury Recurrence Among Female Collegiate Athletes, Jeffrey Rivera, Paul Mentele, Nathan Wells, Xavier Smith, Ernest Rimer, Andreas Stamatis

International Journal of Exercise Science: Conference Proceedings

Female collegiate athletes face unique physiological, biomechanical, and socio-cultural factors that may increase their risk of repeated injuries. While first-time injuries have recently been better documented, less is known about whether subsequent injuries involve the same or different types. This gap limits the development of evidence-based prevention strategies that account for injury recurrence patterns in female athletes. PURPOSE: To quantify the prevalence of multiple injuries in female collegiate athletes, assess patterns of injury recurrence versus variation, and examine whether injury accumulation follows a progressive trajectory beyond a single occurrence. METHODS: A retrospective cohort analysis (2021–2024) was conducted using …


Reliability Of A Mobile 3d Body Scanning App For Body Composition, Lillianna Guajardo, Faith Aldama, Gabriella Martinez, John D. Smith Feb 2025

Reliability Of A Mobile 3d Body Scanning App For Body Composition, Lillianna Guajardo, Faith Aldama, Gabriella Martinez, John D. Smith

International Journal of Exercise Science: Conference Proceedings

Technology for apps that track health is becoming more popular, and many of these apps have not been examined for reliability. PURPOSE: to assess reliability of a commercially available body scanning app for body composition. METHODS: Thirty-two participants (age= 25.9±9.1 years, height= 165.5±10.9 cm, weight= 79.0±20.6 kg) had body composition measured using the MeThreeSixty app two times between three and seven days apart. Pearson’s Product Moment correlations were used to assess interclass reliability from trial 1 to trial 2 and Cronbach’s Alpha was used to assess intraclass reliability. Repeated Measures ANOVA were used to discern significant differences between the trials. …


Acute Crossfit® Exercise Enhances Cognitive Processing Speed And Stabilizes Response Variability In Trained Individuals, Chien-Ting Wu, Brianna Valadez, Amaryllis Rubalcaba, Julia Daniel, Gary Guerra, Yu Lun Tai Feb 2025

Acute Crossfit® Exercise Enhances Cognitive Processing Speed And Stabilizes Response Variability In Trained Individuals, Chien-Ting Wu, Brianna Valadez, Amaryllis Rubalcaba, Julia Daniel, Gary Guerra, Yu Lun Tai

International Journal of Exercise Science: Conference Proceedings

High-Intensity Functional Training (HIFT), such as CrossFit®, integrates high-intensity, multi-joint movements and has been associated with cognitive enhancement. However, the acute effects of HIFT on inhibitory control in trained individuals remain unstudied. PURPOSE: To examine the acute effects of a single bout of HIFT exercise on inhibitory control in healthy young adults with at least six months of CrossFit training experience. METHODS: Seventeen trained individuals (age: 31.9 ± 10.5 years; 8 females) participated in two 15-minute sessions: (1) a HIFT session consisting of 6 CrossFit®-based exercises (burpees, inverted rows, dumbbell push presses, squat jumps, dumbbell snatch, and leg raises) performed …


Extended Rest Requirement After Shoulder Surgery: A Case Study, Melissa D. Long, Alexis Fosmer, Nieko Thomas Feb 2025

Extended Rest Requirement After Shoulder Surgery: A Case Study, Melissa D. Long, Alexis Fosmer, Nieko Thomas

International Journal of Exercise Science: Conference Proceedings

CASE HISTORY: The patient was a 21-year old right-handed collegiate female volleyball player who presented with chronic shoulder pain in her dominant shoulder, which began approximately five years ago. Her previous assessment and treatment included x-rays and MRI imaging, several joint injections, and daily rehabilitation in an attempt to manage her symptoms. Unfortunately, her shoulder problems persisted. Four years after the onset of her pain, she underwent surgery as it was deemed necessary, due to her consistent pain and functional limitations. PHYSICAL EXAM: The patient reported sharp pain (7/10) during overhead activities. Strength was 3+/5 on flexion and …


Agreement Of A Mobile 3d Body Scanning App For Anthropometrics, Gabriella D. Martinez, Faith Aldama, Lillianna Guajardo, John D. Smith Feb 2025

Agreement Of A Mobile 3d Body Scanning App For Anthropometrics, Gabriella D. Martinez, Faith Aldama, Lillianna Guajardo, John D. Smith

International Journal of Exercise Science: Conference Proceedings

Consumers are increasingly seeking technology to help track health improvements. This study focuses on a free app that using 3D body scanning to assess anthropometric measures. PURPOSE: to evaluate the validity of a free app for measuring body anthropometrics compared to criterion measures. METHODS: Thirty-two participants (age= 25.9±9.1 years, height= 165.5±10.9 cm, weight= 79.0±20.6 kg) had chest, biceps, forearm, waist, abdomen, hip, thigh, and calf circumferences measured with a flexible measuring tape, and then by the MeThreeSixty app. Dependent (paired) t-tests were used to assess differences between actual and app measures. Bland Altman plots illustrated agreement between measures …


Interclass Reliability Of Sit2stand.Ai, Kylie J. Barnard, Ceanna M. Mccarty, Gary Guerra, John D. Smith Feb 2025

Interclass Reliability Of Sit2stand.Ai, Kylie J. Barnard, Ceanna M. Mccarty, Gary Guerra, John D. Smith

International Journal of Exercise Science: Conference Proceedings

Free applications to evaluate certain fitness or performance parameters are becoming widely used. The Sit2Stand is an open-source web based tool that is becoming increasingly popular and may have utility for clinical purposes. PURPOSE: To explore the reliability of this open source tool for time, acceleration, and flexion during the sit-2-stand test. METHODS: Participants (n=29, age=29.6±15.1 yrs, ht=165.7±8.8 cm, wt=68.4±18.3 kg) performed a 5-repetition sit-2-stand test two times while filmed with an iPhone (Ph1) and phone using Android (Ph2). Participant were instructed to cross arms and to stand all the way up and sit back on the chair …


Effect Of Weighted Backpack And Texting While Walking On Gait Parameters, Celina M. Cantu, John D. Smith Feb 2025

Effect Of Weighted Backpack And Texting While Walking On Gait Parameters, Celina M. Cantu, John D. Smith

International Journal of Exercise Science: Conference Proceedings

College students often walk while carrying backpacks and looking at phones. Changes in gait due to these effects should be identified to warn of possible postural changes. PURPOSE: Determine if a weighted backpack (BA), phone use (PH), and a combination (BP) has any effect on gait parameters while walking. METHODS: Twenty-two participants walked five meters three times in control (CO), BA, PH, and BP while recorded by a three-dimensional tracking app (OpenCapAI) for a total of twelve trials. Participants were measured for height and weight without shoes which was then used to calculate 15% bodyweight to place in the …


Effects Of Inter-Set Inspiratory Muscle Activation On Post High-Intensity Resistance Exercise Autonomic Regulation, Baroreflex Sensitivity, And Blood Pressure, Hsin-Fu Lin, Kuo-Sheng Chiu, Chang-Lun Shu, Lian-Yu Lin Feb 2025

Effects Of Inter-Set Inspiratory Muscle Activation On Post High-Intensity Resistance Exercise Autonomic Regulation, Baroreflex Sensitivity, And Blood Pressure, Hsin-Fu Lin, Kuo-Sheng Chiu, Chang-Lun Shu, Lian-Yu Lin

International Journal of Exercise Science: Conference Proceedings

Inspiratory muscle exercise and slow breathing have been demonstrated to improve blood pressure control, possibly via an improved sympatho/vagal balance mechanism. Purpose: To test the hypothesis that inter-set inspiratory muscle exercise would attenuate the increase of sympatho/vagal activity ratio and the reduction of baroreflex sensitivity after high-intensity resistance exercise. Methods: A total of 14 recreational active males (n=8, aged= 24±1yrs, BMI=22±1 kg/m2) and females (n=6, aged=24±1yrs, BMI=22±2 kg/m2) were recruited and underwent maximum muscle strength (1RM), maximum inspiratory pressure (PImax) determination after familiarization. Participants were asked to engage in 4 acute bouts of high-intensity …


Anthropometric Measures Associated With Orthopedic Injuries In Professional Ballet Performers: New Dexa Screening Criteria?, Abigail Y. Li, Guomin Xu, Alysa Birncrich, Carina Nasrallah, Patrick Mcculloch, Bradley Lambert Feb 2025

Anthropometric Measures Associated With Orthopedic Injuries In Professional Ballet Performers: New Dexa Screening Criteria?, Abigail Y. Li, Guomin Xu, Alysa Birncrich, Carina Nasrallah, Patrick Mcculloch, Bradley Lambert

International Journal of Exercise Science: Conference Proceedings

Musculoskeletal injuries are common among professional ballet performers. Although dual-energy x-ray absorptiometry (DEXA) is widely used to assess bone mineral density (BMD) and body composition in athletes, no ballet-specific DEXA injury risk thresholds exist. PURPOSE: 1) To compare anthropometric measures obtained through DEXA scans conducted during annual physical evaluations of professional ballet performers who sustained musculoskeletal injuries with those who did not in the year following their scan; 2) To identify potential population-specific injury risk thresholds relevant to professional ballet performers. We hypothesized that those who experienced injuries (INJ) during a year-long performance season tend to exhibit reduced lean mass, …


Effects Of A 12-Week Chair-Based Exercise Program On Functional Fitness And Cognitive Function In Older Females, Yi-Hung Liao, Ping-Chuan Lin, Yi-Yuan Lin, Shiow-Chwen Tsai, Hsiao-Kuan Wu, Ting-Heng Chou Feb 2025

Effects Of A 12-Week Chair-Based Exercise Program On Functional Fitness And Cognitive Function In Older Females, Yi-Hung Liao, Ping-Chuan Lin, Yi-Yuan Lin, Shiow-Chwen Tsai, Hsiao-Kuan Wu, Ting-Heng Chou

International Journal of Exercise Science: Conference Proceedings

Aging is associated with declines in functional fitness and cognitive function, which may impact the quality of life in older adults. Developing a safe and active training program as an initial strategy is critical for the elderly population to maintain physical and mental well-being. PURPOSE: This study aimed to evaluate the effects of a 12-week chair-based exercise intervention on functional fitness, cognitive function, and nutritional status in older female adults. METHODS: Thirty-six healthy female participants aged 55 to 80 years were randomly assigned to the exercise group (Ex, N=19; Age: 64±1 years; BMI: 24.7±0.8 kg/m²) or the control …