Can We Calculate Mean Arterial Pressure In Humans?,
2023
Institute for Exercise and Environmental Medicine, University of Texas Southwestern
Can We Calculate Mean Arterial Pressure In Humans?, Matthew M. Howrey, Tiffany L. Brazile, Bryce N. Balmain, Andrew R. Tomlinson, James P. Macnamara, Tony G. Babb, Benjamin D. Levine, Satyam Sarma, Christopher M. Hearon Jr, Denis J. Wakeham
International Journal of Exercise Science: Conference Proceedings
Mean arterial pressure (MAP) is either measured with an oscillometric cuff and then systolic (SBP) and diastolic (DBP) blood pressures are estimated from an unknown algorithm; or SBP and DBP are measured via auscultation and MAP calculated using measures of systolic pressure (SBP), diastolic pressure (DBP), and a form-factor (FF; equation: [(SBP-DBP)*FF]+DBP). The typical FF used is 0.33 though others (0.4) have been proposed. Recent work indicates that estimation of aortic MAP via a FF leads to inaccurate values and should therefore be interpreted with caution, whether this is the case for local MAP is unknown. While the implications for …
Relationship Between Regional Pectoralis Major Muscle Size And Peak Power During Incline Bench Press Strength Testing: A Pilot Study,
2023
Texas A&M - Corpus Christi
Relationship Between Regional Pectoralis Major Muscle Size And Peak Power During Incline Bench Press Strength Testing: A Pilot Study, Dawei Guan, Daniel Newmire, Ronald Snarr, Bryon C. Applequist
International Journal of Exercise Science: Conference Proceedings
The peak power generated by skeletal muscle during strength training is influenced by several factors, including body weight, maximal force, and muscle fiber orientation, as well as the function affecting excitation patterns. However, there is limited research on the relationship between regional muscle size and peak power output. PURPOSE: This pilot study seeks to explore the associations between muscle thickness (MT) and cross-sectional area (CSA) of the pectoralis major and peak power output during an incline bench (IB) press one-repetition maximum (1RM) strength bout. METHODS: Seven participants (males = 3; females = 4; age: 24.3±2.7 years; height: 168.2±3.3 …
Ectopic Bone In The Kidneys And Visceral Fat Of Male Fischer-344 Rats,
2023
University of Texas, Arlington
Ectopic Bone In The Kidneys And Visceral Fat Of Male Fischer-344 Rats, Teresa N. Le, Amanda Salas Sanchez, Danyah Nashawi, Hannah Mitchell, Tara Kortlever, Rhonda Prisby
International Journal of Exercise Science: Conference Proceedings
Ossified particles (OSP) are microscopic, bone-like fragments found in the circulatory system of rodents and humans. Although theorized to develop in the bone marrow, their origin and impact on physiological processes are unknown. Further, the fate of OSP has not been determined and may exit the circulatory system and enter organs and tissues. PURPOSE: We sought to detect the presence of ectopic bone in the kidneys and visceral fat of rodents. METHODS: Young (6-mon; n=10) and old (24-mon; n=10) male Fischer-344 rats were anesthetized with isoflurane (3% to oxygen balance) and euthanized by excising the heart. The right and …
Pityriasis Rosea In A Female Runner,
2023
Abilene Christian University
Pityriasis Rosea In A Female Runner, Melissa D. Long
International Journal of Exercise Science: Conference Proceedings
CASE HISTORY: The patient was a 40-year-old, physically active, mother and teacher. She had no previous history of autoimmune disease, Shingles, or other skin disorder. She reported having Herpes Zoster (Chicken Pox) at about six years old. In this case, she reported having a bug bite superior to the right iliac crest. After two days of itching the bite appeared normal and the pruritis stopped. After 10 days, the patient reported that the bite was not resolving but was not causing any symptoms. The athlete reported that the area had become scaly. PHYSICAL EXAM: Physical exam revealed a …
Vitamin D Association With Renal Health And Filtration In Healthy Individuals Free Of Cardiometabolic Diseases: A Pilot Study,
2023
Baylor University
Vitamin D Association With Renal Health And Filtration In Healthy Individuals Free Of Cardiometabolic Diseases: A Pilot Study, Meena K. Meiyyappan, Ricardo Torres, Tomas Chapman-Lopez, Keri Collins, Bayley Humphrey, Andrew Gallucci, Brent Dragoo, Leslee Funderburk, Panagiotis Koutakis, Jeff S. Forsse
International Journal of Exercise Science: Conference Proceedings
The effect of vitamin D (VITD) on bone, muscle, and over health is well know in renal failure and chronic kidney disease (CKD). However, the influence of VITD on renal health and filtration (RHF) in healthy individuals is unclear. Currently, only serum creatinine concentration (sCr) methods are used to assess renal status in health individuals. However, newer biomarkers like serum Cystatin C (CyC) and urine epidermal growth factor (uEGF) show promise in evaluating baseline RHF. The impact of Vitamin D on filtration in healthy individuals of various ages is still unknown. PURPOSE: To determine the impact of VITD on RHF …
A Single 10-Minute Vape Exposure Alters Ventilation In Adult Rats,
2023
Southwestern University
A Single 10-Minute Vape Exposure Alters Ventilation In Adult Rats, Mila Fisher, Jennifer A. Stokes
International Journal of Exercise Science: Conference Proceedings
E-cigarettes, also known as electronic nicotine delivery systems (ENDS), are an alternative to the traditional cigarette. ENDS function using a heating device (e.g. “vape pen”, such as JUUL) to heat liquids containing nicotine and other chemicals. Recent research in humans and animal models suggests that acute exposure (5 to 60 minutes) to e-cigarette vapor increases airway resistance and proinflammatory cytokine presence in lung tissue. These acute effects may lead to long term functional changes in the lung and tissue changes at the respiratory membrane. PURPOSE: The purpose of this study was to investigate the effects of an acute 10-minute …
Biomechanical Response Of The Leg To Single Leg Drop Landings Before And After Prolonged Plantar Flexor Stretch.,
2023
Midwestern State University
Biomechanical Response Of The Leg To Single Leg Drop Landings Before And After Prolonged Plantar Flexor Stretch., Himadri Patel, Michael W. Olson
International Journal of Exercise Science: Conference Proceedings
The plantar flexor muscles have become important in activities such as gait analysis in healthy and patient populations. The duration of stretch is reported to influence their ability to generate force and if mechanical laxity is present after stretching, it is unclear how this laxity will influence the movement patterns of the lower extremities. PURPOSE: The study aimed to investigate influence of prolonged stretch to plantar flexor muscles on landing biomechanics during a single-leg drop landings. METHODS: Sixteen active participants (24.6 ± 3.1 yrs, 75.4 ± 15.6 kg mass, 1.75 ± 0.9m height) were recruited and randomly assigned …
Cancer Survivors' Self-Efficacy And Spirituality Outcomes Following A Holistic Integrative Intervention,
2023
The University of Texas Rio Grande Valley
Cancer Survivors' Self-Efficacy And Spirituality Outcomes Following A Holistic Integrative Intervention, Caleb Mata, Sonio D. Garcia, Jesus Sanchez, Abner Hernandez, Tim Calderon, Monica Serra, Darpan Patel, Gustavo J. Almeida, Tony Zhang, Amelie G. Ramirez, Daniel C. Hughes
International Journal of Exercise Science: Conference Proceedings
Cancer treatments often negatively impact health-related quality of life (HR-QOL) for cancer survivors (CS), ignoring the multi-dimensional nature of the human experience of cancer and its impact on mental and spiritual domains. A holistic integrative approach was implemented on a heterogenous population of cancer survivors during the COVID epidemic with the goal of improving their overall well-being by looking beyond physical functioning. PURPOSE: To examine the relationship between spirituality and self-efficacy of cancer survivors of all types of cancer following a holistic intervention during the COVID-19 pandemic. METHODS: Subjects were recruited via network partners and self-referral. Subjects were …
Difference Between Wrist And Chest-Worn Heart Rate Monitors,
2023
Texas A&M University-San Antonio
Difference Between Wrist And Chest-Worn Heart Rate Monitors, Vania Gonzalez, John D. Smith
International Journal of Exercise Science: Conference Proceedings
Wrist-worn heart rate measurement on fitness trackers, activity watches, and smartwatches are relatively new and accuracy verification of these monitors is needed. Polar chest strap monitors, which have been validated for accuracy (Gillinov et al., 2017; Pasadyn et al., 2019), were used as the criterion to establish the validity of the wrist-worn device. PURPOSE: The purpose of this study was to determine the difference between a Garmin wrist-worn heart rate monitor and a Polar chest-worn heart rate monitor. METHODS: The session included measurement of age, height, body weight, and four 5-minute exercise sessions, one each while walking on a treadmill, …
The Effects Of Resistance Deception On Upper Body Muscular Strength, Muscular Endurance, And Perceived Exertion,
2023
Stephen F. Austin State University
The Effects Of Resistance Deception On Upper Body Muscular Strength, Muscular Endurance, And Perceived Exertion, Ashley Mcmasters
International Journal of Exercise Science: Conference Proceedings
Resistance deception during training is lightly researched and is seen as a modification that can potentially act on central control during exercise. Studies that have observed the effects of deception while training has yielded mixed results and the effects of deception on strength, muscular endurance, and perceived exertion are still unclear. PURPOSE: The purpose of this study was to determine the effects of resistance deception on upper-body maximal muscular strength, muscular endurance, and perceived exertion in a strength-trained population. METHODS: Eight males (n = 5) and females (n = 3) between the ages of 18 and 26 that had at …
No Differences Were Found Between Partial And Full Range Of Motion Bench Press Resistance Exercises On Markers Of Work, Blood Lactate, And Muscle Oxygen And Hemoglobin Concentrations: A Pilot Study,
2023
Texas A&M University - Corpus Christi
No Differences Were Found Between Partial And Full Range Of Motion Bench Press Resistance Exercises On Markers Of Work, Blood Lactate, And Muscle Oxygen And Hemoglobin Concentrations: A Pilot Study, Katherine Colburn, Daniel Newmire
International Journal of Exercise Science: Conference Proceedings
During resistance training (RT) exercises, full range of motion (fROM) is traditionally promoted by exercise training professionals. Based on recent publications, it is reported that partial range of motion (pROM) during RT may have similar muscle growth responses as fROM. There are limited investigations examining the acute effects of ROM during a RT bout on blood lactate (BLa), muscle oxygen saturation (SmO2), and total hemoglobin content (tHb) that may help drive mechanistic investigations. PURPOSE: This study aims to investigate the effects of different ROMs during flat (FB) and incline (IB) barbell bench press exercises on BLa, SmO …
Comparison Of Ultrastructural Alterations In Peripheral Artery Disease Skeletal Muscle,
2023
Baylor University
Comparison Of Ultrastructural Alterations In Peripheral Artery Disease Skeletal Muscle, Dylan T. Wilburn, Emma Fletcher, Dimitrios Miserlis, Bernd Zechmann, Panagiotis Koutakis
International Journal of Exercise Science: Conference Proceedings
Peripheral artery disease (PAD) is characterized by obstructed hemodynamics and claudication reducing quality of life and muscle function. A myopathy has been shown to develop in PAD patients and characterization of changes in skeletal muscle needs further elucidation. PURPOSE: To assess myofibrillar ultrastructural changes between control and stage IV PAD patients. METHODS: Twenty-six participants (13 control:13 stage IV) were recruited to take part in this cross-sectional study. The mean(±SD) age, mass, height, and BMI were 53(±11) years, 81(±22) kg, 165(±15) cm, and 30(±1.5) kg/m2. Muscle samples were collected from the gastrocnemius and prepared for transmission electron microscopy. Relative …
Influence Of Scanning Plane And Echo Intensity Correction On Relationships Between Muscle Size And Fitness,
2023
Texas Christian University
Influence Of Scanning Plane And Echo Intensity Correction On Relationships Between Muscle Size And Fitness, Caleb C. Voskuil, Monique D. Dudar, G. Kate Webb, Yan Zhang, Joshua C. Carr
International Journal of Exercise Science: Conference Proceedings
B-mode ultrasonography is an accessible and reliable tool to measure muscle size and echogenicity. Measures of muscle thickness (MT), muscle cross-sectional area (mCSA), and echo intensity (EI) are commonly acquired in the sagittal or transverse planes, and with the extended field of view technique. However, whether these outcomes show unique relationships with muscle fitness across the scanning planes is unknown. PURPOSE: To identify the relationships between measurements of skeletal muscle size and echo intensity with muscle strength and local muscle endurance in a habitually resistance-trained population. METHODS: Twenty resistance-trained participants (Females: n = 10; Males: n = 10) …
The Effects Of Mindful Meditation On Body Image In Female Collegiate Athletes During The Luteal And Early Follicular Phase Of The Menstrual Cycle,
2023
Stephen F. Austin State University
The Effects Of Mindful Meditation On Body Image In Female Collegiate Athletes During The Luteal And Early Follicular Phase Of The Menstrual Cycle, Victoria Bowden
International Journal of Exercise Science: Conference Proceedings
Body image has been studied in previous research but there is a gap in research with the consideration of body image changes during the phases of the menstrual cycle. PURPOSE: The purpose of this study was to examine the effects of a mindful meditation intervention on body image during the late luteal and early follicular phases of the menstrual cycle in collegiate female athletes. METHODS: This study included 8 female collegiate athletes (20.5 ± 1.8 years, 1.7 ± 0.1 m, 62.4 ± 8.9 kg, 26.4 ± 6.9%) participating in both the control and mindful meditation intervention with each taking 3 …
Selective Inhibition Of Ribosomal Biogenesis Over Cap-Dependent Translation By Rapamycin In L6 Myotubes,
2023
Texas A&M University
Selective Inhibition Of Ribosomal Biogenesis Over Cap-Dependent Translation By Rapamycin In L6 Myotubes, Selina Uranga, James D. Fluckey
International Journal of Exercise Science: Conference Proceedings
The mechanistic target of rapamycin, or mTOR, lies at the center of skeletal muscle anabolic regulation. The mTOR kinase has at least two complexes that aide in carrying out responses to anabolic signals. Complex 1 (mTORC1) activation leads to cap-dependent translation and ribosomal biogenesis via phosphorylation of its two downstream targets 4EBP1 and P70S6K respectively. mTORC1 is inhibited by rapamycin while mTORC2 is not; however, cap-dependent translation via mTORC1 may still occur under rapamycin inhibition. PURPOSE: To identify timing and mechanistic pathway by which selective skeletal muscle anabolism continues in the presence of rapamycin inhibition. METHODS: Murine L6 …
Differences In Simple And Complex Reaction Time Test Score Amont College Rodeo Athletes,
2023
Tarleton State University
Differences In Simple And Complex Reaction Time Test Score Amont College Rodeo Athletes, Meghan Younger, Andrew A. Wolfe, Micheal Luera, Kayleigh Abbott, Gillian Braden, Jessie Ramirez
International Journal of Exercise Science: Conference Proceedings
Various sports rely heavily on reaction time (RT) to produce high levels of performance, and as expected, difference in RT are present within and between sporting activities. The sport of rodeo is a high velocity/intensity sport that require athletes to reaction quickly to the movement(s) of uncooperative livestock. However, no previous studies have investigated the RT profile of rodeo athletes and the differences in RT between rodeo events. PURPOSE: The purpose of this investigation was to establish simply and complex RT norms for rodeo athletes and secondly, identify RT difference between rodeo events. METHODS: College rodeo athletes (n = 39) …
Peak Forces In The Landing And Push-Off Foot Between Varying Fastpitch Softball Pitches,
2023
Southwestern University
Peak Forces In The Landing And Push-Off Foot Between Varying Fastpitch Softball Pitches, Samantha Martinez
International Journal of Exercise Science: Conference Proceedings
Although softball and baseball tend to often be compared to each other, the skill of fastpitch softball pitching is drastically different. Limited studies done on softball pitching hinders the ability of athletes being able to maximize their performance. PURPOSE: To determine differences in peak force of the push-off, landing feet and ball velocity during different types of softball pitches (fastball, changeup, and curveball). METHODS: 5 NCAA Division III softball pitchers were all tested for the peak forces in their push-off and loading foot (LoadsolⓇ, Novel, St. Paul, MN) as well as their ball velocity among a variation of pitches …
Adiposity And High-Density Lipoprotein Are Reflective Of Blood Pressure Among Individuals Without Hypertension,
2023
The University of Texas at El Paso
Adiposity And High-Density Lipoprotein Are Reflective Of Blood Pressure Among Individuals Without Hypertension, Joshua Labadah, Jehu Apaflo, Gabriel Narvaez, Victoria Rocha, Sudip Bajpeyi
International Journal of Exercise Science: Conference Proceedings
Obesity and abnormal lipid profiles have been linked to hypertension and other cardiometabolic risks. Early identification of cardiovascular risks factors in healthy individuals is important for disease prevention and maintaining a high quality of life. PURPOSE: This study sought to determine whether adiposity and lipid profile in a non-hypertensive, otherwise healthy population, is associated with blood pressure, a hallmark of cardiovascular disease risk. METHODS: Seventy-seven individuals (34 males 43 females; age 25.4 ±7.7 years; BMI 27.2 ± 5.2 kg/m2) without hypertension (systolic blood pressure (SBP) 110.3 ± 10.3 mmHg; diastolic blood pressure (DBP) 71.48 ± 7.93 …
Pressor And Sympathetic Responses To Graded Skeletal Muscle Metaboreflex Activation In Females With Relapsing-Remitting Multiple Sclerosis,
2023
Southern Methodist University
Pressor And Sympathetic Responses To Graded Skeletal Muscle Metaboreflex Activation In Females With Relapsing-Remitting Multiple Sclerosis, Claire E. Trotter, Benjamin E. Young, Caitlin P. Jarrard, Scott A. Smith, Paul J. Fadel, Mu Huang, Scott L. Davis
International Journal of Exercise Science: Conference Proceedings
Multiple sclerosis (MS) is a progressive disease characterized by demyelination in the central nervous system which disproportionately impacts females. Previous studies suggest MS-related exercise intolerance may be due to abnormal control of arterial blood pressure (BP) via the skeletal muscle metaboreflex. However, few studies have been performed and equivocal results reported. Discontinuity in prior data may be due to limited perturbation of metaboreflex activation using only low and moderate intensity exercise. PURPOSE: The purpose of this investigation was to test the hypothesis that females with MS have blunted BP and sympathetic responses to graded static handgrip (HG) exercise and isolated …
The Impacts Of Wrist Wrap Type And Sex On Bench Press Muscular Strength And Power,
2023
Baylor University
The Impacts Of Wrist Wrap Type And Sex On Bench Press Muscular Strength And Power, Dillon R. Harris, Dakota R. Harris, Thomas D. Cardaci, Harry P. Cintineo, Leslee K. Funderburk, Steven B. Machek
International Journal of Exercise Science: Conference Proceedings
While wrist wraps have become increasingly prevalent in both competitive and recreational demographics, their posited ability to augment bench press performance by enhanced wrist stability still remains unclear. PURPOSE: To determine the effect of varying wrap styles on bench-specific muscular strength and associated power, as well as quantitative and subjective differences between sexes. METHODS: Eighteen resistance trained males and females (9M/9F; 24±4y; 176±33cm; 80±15kg) visited the laboratory on three separate occasions in randomized, crossover, and counterbalanced design to sport either a flexible wrist wrap (FW), stiff wrap (SW), or a no wrap control (NW) condition. All participants underwent a bench …
