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Articles 541 - 570 of 2358
Full-Text Articles in Entire DC Network
The Effects Of Alternate Day Modified Fasting On Diet And Weight Loss: A Pilot Study, Dallin Kemp, Bruce Bailey, Landon Deru, Andrew Stevens
The Effects Of Alternate Day Modified Fasting On Diet And Weight Loss: A Pilot Study, Dallin Kemp, Bruce Bailey, Landon Deru, Andrew Stevens
International Journal of Exercise Science: Conference Proceedings
Alternate day fasting has been shown to be an effective strategy for weight loss and improving metabolic health but adherence is challenging. Alternate day modified fasting (ADMF) is an alternative approach that allows for a meal (~25% of calories) to be consumed on the fast day to help make the fasting protocol more sustainable. PURPOSE: The objective of this study was to examine the impact of a 14-day alternate day modified fast on energy intake, macronutrient composition and body composition. METHODS: Forty two participants (24 male/18 female) completed 3 days of baseline testing followed by a 14-day treatment period where …
The Effects Of Alternate-Day Fasting On Sleep In Poor Sleepers, Cameron G. Jacobsen
The Effects Of Alternate-Day Fasting On Sleep In Poor Sleepers, Cameron G. Jacobsen
International Journal of Exercise Science: Conference Proceedings
Alternate day modified fasting is an intermittent fasting approach that provides an effective strategy for weight loss. While research has shown alternate day modified fasting to be an affective weight loss strategy, less is known about its impact on sleep quality. PURPOSE: The objective of this study was to examine the impact of a 14-day alternate day modified fast on sleep patterns in participants who were classified as ‘poor sleepers.’ METHODS: Forty two participants (24 male/18 female) completed 3 days of baseline testing followed by a 14-day treatment period where they followed a modified alternate day fasting regimen that consisted …
Average Heart Rate And Energy Expenditure Validity Of Garmin Vivoactive 3 And Fenix 6 Wrist Watches During Light Circuit Resistance Training, Jocelyn M. Graffius, David Pearce, Brynlie Ellingford, Bryson Carrier, Charli D. Aguilar, Wyatt Fullmer, Wesley Ziegler, Damian Gil, Mike Torence, Dustin W. Davis, Myranda Peck, Nicole R. Vargas, Bianca Weyers, Katherine Carlos, Nathaniel Bodell, Jacob W. Manning, Mark Debeliso Phd, James W. Navalta, Merrill Funk, Marcus M. Lawrence
Average Heart Rate And Energy Expenditure Validity Of Garmin Vivoactive 3 And Fenix 6 Wrist Watches During Light Circuit Resistance Training, Jocelyn M. Graffius, David Pearce, Brynlie Ellingford, Bryson Carrier, Charli D. Aguilar, Wyatt Fullmer, Wesley Ziegler, Damian Gil, Mike Torence, Dustin W. Davis, Myranda Peck, Nicole R. Vargas, Bianca Weyers, Katherine Carlos, Nathaniel Bodell, Jacob W. Manning, Mark Debeliso Phd, James W. Navalta, Merrill Funk, Marcus M. Lawrence
International Journal of Exercise Science: Conference Proceedings
Our laboratory recently found wrist-worn wearable technology devices to be valid for measuring average heart rate (HR), but not valid for estimated energy expenditure (EE) compared to criterion devices, during steady state aerobic training (walking, running, biking). However, the validity of wrist-worn devices for HR and EE measures during resistance training is largely unknown. PURPOSE: The purpose of this study was to determine if two wrist-worn devices, Garmin Vivoactive 3 and Garmin Fenix 6 Pro, record valid measures of average HR and EE while performing circuit resistance training. METHODS: Twenty participants (n=10 female, n=10 male; age: 23.2 ± …
The Leg-Tuck Versus The Plank-Hold Relative To The Army Combat Fitness Test: Interactions With Body Composition, Strength And Sex., Stephen M. Gonzales, Kevin Withrow, J. Jay Dawes, Robin (Rob) Marc Orr, Scott Lynn, Daniela Rubin, Robert G. Lockie
The Leg-Tuck Versus The Plank-Hold Relative To The Army Combat Fitness Test: Interactions With Body Composition, Strength And Sex., Stephen M. Gonzales, Kevin Withrow, J. Jay Dawes, Robin (Rob) Marc Orr, Scott Lynn, Daniela Rubin, Robert G. Lockie
International Journal of Exercise Science: Conference Proceedings
In 2020 the U.S. Army replaced their older physical fitness test with the Army Combat Fitness Test (ACFT) to replicate modern battlefield demands. One component of the test, the leg-tuck (LTK) was found to disproportionately fail female soldiers. Following an independent review, the Army adopted the plank-hold (PLK), attempting to limit the influence of sex differences during the assessment. However, research regarding performance, relationships, and the influence of sex on the LTK versus the PLK is limited. PURPOSE: To determine relationships between the LTK, PLK, sex, body composition and abdominal and grip strength. METHODS: 49 physically active civilian …
The Relationship Between Resistance Exercise Induced Testosterone And Cortisol Responses And Steroid Receptor Phosphorylation, Borna Golbarg, Justin X. Nicoll, Stephanie A. Sontag, Eric M. Mosier, Andrew C. Fry
The Relationship Between Resistance Exercise Induced Testosterone And Cortisol Responses And Steroid Receptor Phosphorylation, Borna Golbarg, Justin X. Nicoll, Stephanie A. Sontag, Eric M. Mosier, Andrew C. Fry
International Journal of Exercise Science: Conference Proceedings
The precise contribution of hormones to resistance training adaptations remains unclear. Recently, resistance exercise (RE) has been shown to change phosphorylation of androgen (pAR) & glucocorticoid receptors (pGR). Examining the relationships between the hormonal responses & steroid receptor phosphorylation may elucidate the role of acute hormonal responses to training adaptations. PURPOSE: The purpose of this study was to examine relationships between exercise-induced hormonal responses and pGR & pAR. METHODS: Resistance trained (RT) (n = 10; age = 21.3±1.7yrs, ht = 175.8±6.8cm, bodymass = 84.5±13.5kg) & untrained (UT) (n = 9; age = 20.8±3.1yrs, ht = 178.7±8.9cm, bodymass = …
Validity Of Garmin Devices While Ascending And Descending Flights Of Stairs, Alan V. Garcia, Melissa Strehlow, Dustin W. Davis, Javen Miguel, Jeff Montes
Validity Of Garmin Devices While Ascending And Descending Flights Of Stairs, Alan V. Garcia, Melissa Strehlow, Dustin W. Davis, Javen Miguel, Jeff Montes
International Journal of Exercise Science: Conference Proceedings
The use of wearable technology to track physical activity is popular among fitness enthusiasts and the general public. There are many brands that offer a variety of devices. One popular brand is Garmin. The validity of Garmin’s wrist-worn devices in measuring step counts in various settings, such as walking up and down a staircase, is unclear. PURPOSE: The purpose of the present study was to determine if two devices, the Garmin fēnix 5 and Garmin vívosmart HR record valid measures of step count when ascending and descending flights of stairs at three different speeds. METHODS: Twenty participants (n=20) were tested …
Modeling The Oxidative Metabolic Breakdown Of Ethanol And Its Effects On The Cardiovascular System, Jessica F. Farfan, Allan Knox, Grady Hanrahan
Modeling The Oxidative Metabolic Breakdown Of Ethanol And Its Effects On The Cardiovascular System, Jessica F. Farfan, Allan Knox, Grady Hanrahan
International Journal of Exercise Science: Conference Proceedings
Chronic ethanol consumption contributes to the global prevalence’s of cardiovascular disease by mechanisms involving an inflammatory response and consequent lipid peroxidation. Cytochrome p450 is a part of the microsomal ethanol oxidizing system (MEOS) and can utilize iron complexes and the reductant NADPH to catalyze the breakdown of acute/chronic ethanol consumption. However, efficacy of MEOS to prevent cardiovascular burden induced by ethanol consumption is not clear. PURPOSE: To demonstrate the response of the cardiovascular system in response to the oxidative metabolic breakdown of ethanol via MEOS. METHODS: An extensive literature search provided data to develop a mechanistic model of the metabolism …
Evaluation And Comparison Of Wearable Technology Device Data Between Devices During Trail Running, Camden Cox, Jeffrey Cowley
Evaluation And Comparison Of Wearable Technology Device Data Between Devices During Trail Running, Camden Cox, Jeffrey Cowley
International Journal of Exercise Science: Conference Proceedings
An estimated 20 million people participate in trail running with this number expected grow at a rate of 15% annually. Wearable technology devices have become more relied upon to track running data such as distance, cadence, elevation gain, etc. The consistency between these devices is not well-established. PURPOSE: To determine the consistency of data across wearable technology devices. METHODS: Seventeen participants (F = 7) ran on the Thunderbird Gardens Lighting Switch trail in Cedar City, UT. The participants were each fitted with two Garmin Instincts, two Polar Vantage M2s, and two Stryd sensors. One device from each manufacturer …
Evaluation And Validity Of A Predictive Equation For Measuring Core Temperature During Exercise In Heat Stress, Robert J. Castro, Alexander J. Gonsalves, Edgar B. Doolan, Jochen Kressler
Evaluation And Validity Of A Predictive Equation For Measuring Core Temperature During Exercise In Heat Stress, Robert J. Castro, Alexander J. Gonsalves, Edgar B. Doolan, Jochen Kressler
International Journal of Exercise Science: Conference Proceedings
Exercising in the heat is very common yet can pose significant health risks such as heat exhaustion and heat stroke when core temperature exceeds 38°C and 40°C, respectively. However, current methods of core temperature measurement are invasive and impractical. Recent research indicates that core temperature can be predicted with two non-invasive inputs, heart rate (HR) and skin temperature. PURPOSE: The objective of this study was to assess the validity and reliability of this predictive equation against the direct measurement of core temperature. METHODS: Participants (n = 11) cycled in an environmental chamber (40°C, 40% humidity) at 75% …
The Validity Of Bicep Located Heart Rate Monitors During Running, Katherine V. Carlos, Dustin W. Davis, Bryson Carrier, Jorge N. Perdomo Rodriguez, Nicole R. Vargas, Elias M. Malek, Bianca C. Weyers, James W. Navalta
The Validity Of Bicep Located Heart Rate Monitors During Running, Katherine V. Carlos, Dustin W. Davis, Bryson Carrier, Jorge N. Perdomo Rodriguez, Nicole R. Vargas, Elias M. Malek, Bianca C. Weyers, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
Running is a popular sport with 621 million people participating worldwide. Heart rate (HR) is a way to determine intensity but many people do not want to wear a HR strap around their chest because it is uncomfortable and can cause chaffing. An alternative location for determining HR could be the biceps but the validity of such devices need to be determined. PURPOSE: To determine the validity of the Polar OH 1 and Polar Verity biceps devices during self-paced running. METHODS: Wearing Polar OH1, Polar Verity, and Polar H10 (criterion) 5 female and 5 male participants were asked to perform …
Reliability Of The Stryd Accelerometer On An Incline And Decline, Wesley Ziegler, Jeffrey Cowley
Reliability Of The Stryd Accelerometer On An Incline And Decline, Wesley Ziegler, Jeffrey Cowley
International Journal of Exercise Science: Conference Proceedings
Modern technology has evolved to include various health and fitness trackers to help the general population become more aware of their physical wellbeing. However, the reliability of these technologies is not well-established. PURPOSE: Determine the reliability of Stryd accelerometer during trail running. METHODS: Seventeen participants (25 ± 9 years; F = 7) completed a trail run. Each participant was fitted with one Stryd accelerometer (model 25; Stryd, Boulder, CO 80301) on the shoe of each foot, and both devices were started simultaneously. The participant then did a self-paced out and back run on a moderate difficulty hiking trail. The trail …
Features Of A Mediterranean Diet And Mental Health Outcomes In College Students, Jessica Wisse, Gabriella Marchal, Claire Duisenberg, Hawley Almstedt
Features Of A Mediterranean Diet And Mental Health Outcomes In College Students, Jessica Wisse, Gabriella Marchal, Claire Duisenberg, Hawley Almstedt
International Journal of Exercise Science: Conference Proceedings
Up to 30% of college students are reported to suffer from depression or anxiety. Previous studies have produced correlations between nutritional variables and mental health outcomes in adults. Specifically, variables featured in the Mediterranean diet, including increased fiber, monounsaturated fat, omega-3 fatty acids, fruit and vegetable intake, and decreased added sugars have been associated with more favorable mental health outcomes. PURPOSE: This research was conducted to explore relationships between specific variables included in the Mediterranean diet and mental health symptoms in college students. METHODS: To collect data on diets, participants were given three-day diet records to record food and beverage …
The Validity And Reliability Of The Garmin Instinct In Measuring Heart Rate, Energy Expenditure, And Steps During Skipping, Nicole Vargas, Bryson Carrier, Dustin W. Davis, Jorge Perdomo Rodriguez, Elias M. Malek, Bianca Weyers, Katherine Carlos, James W. Navalta
The Validity And Reliability Of The Garmin Instinct In Measuring Heart Rate, Energy Expenditure, And Steps During Skipping, Nicole Vargas, Bryson Carrier, Dustin W. Davis, Jorge Perdomo Rodriguez, Elias M. Malek, Bianca Weyers, Katherine Carlos, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
As the use of wearable technology to monitor physical activity increases, assessment of the validity and reliability of these devices are needed. A popular device brand is Garmin. Although not a common physical activity, skipping can be included in dynamic warm-ups. PURPOSE: Therefore, the purpose of this study was to determine the validity and reliability of the Garmin Instinct in measuring caloric energy expenditure (EE), average heart rate (HR), and steps while skipping. METHODS: Ten participants (5 female, age: 27±9 years) skipped at a self-selected pace for five minutes. During that time, HR, EE, and steps were measured …
The Effects Of Eight Weeks Of Leucine/Whey Protein Supplementation And Resistance Training On Isokinetic Peak Torque, Alayne J. Thompson, Trevor Roberts, Jared W. Coburn
The Effects Of Eight Weeks Of Leucine/Whey Protein Supplementation And Resistance Training On Isokinetic Peak Torque, Alayne J. Thompson, Trevor Roberts, Jared W. Coburn
International Journal of Exercise Science: Conference Proceedings
Resistance training can lead to significant increases in muscle size and strength. Supplementing the diet with leucine and whey protein purportedly increases protein synthesis, potentially accelerating the processes involved with hypertrophy and strength increases. PURPOSE: To examine the effects of leucine and whey protein supplementation during 8 weeks of unilateral dynamic constant external resistance (DCER) training on isokinetic peak torque. METHODS: Thirty-five men (mean age ± SD = 22.3 ± 2.3 y) volunteered to participate in this investigation. Participants were randomly assigned to one of three groups: supplement (SUPP), placebo (PLA), or control (CON). The SUPP and PL …
The Effects Of Resistance Training And Protein Supplementation On Bone Mineral Density In Untrained Women, Jessica Smith
The Effects Of Resistance Training And Protein Supplementation On Bone Mineral Density In Untrained Women, Jessica Smith
International Journal of Exercise Science: Conference Proceedings
Peak bone mass has been found to plateau at approximately 30 years of age; therefore, is it important to develop a higher peak bone mass early in life. Resistance exercise has been shown to improve bone mineral density (BMD) based on a great enough strain and mechanical load to promote bone formation. Resistance exercise is known to stimulate muscle protein synthesis, which can thereby raise individual protein needs above the recommended daily allowance (RDA). Resistance training (RT) combined with a protein intake above the RDA (> 0.8 g/kg/day) may be superior in promoting greater changes in BMD compared to RT …
Dietary Fiber Intake Predicts 10-Yr Weight Change In 7,804 U.S. Adults, Emma Robinson, Larry A. Tucker
Dietary Fiber Intake Predicts 10-Yr Weight Change In 7,804 U.S. Adults, Emma Robinson, Larry A. Tucker
International Journal of Exercise Science: Conference Proceedings
Although the relationship between dietary fiber intake and obesity has been examined many times, studies evaluating the association between fiber consumption and long-term weight gain are rare. This is unfortunate because it is weight gain over time that drives the development of obesity. PURPOSE: This study was conducted to determine the relationship between dietary fiber intake and weight change over a 10-yr period in 7,804 U.S. men and women, 36-70 years old. METHODS: Data from the National Health and Nutrition Examination Survey (NHANES) were used to answer the research question. Because subjects were randomly selected, the results are generalizable to …
Effects Of Co-Ingesting Dietary Nitrate And Vitamin C On Nitric Oxide Bioavailability, Blood Pressure, And Cardiovascular Reactivity In Hispanic Females, Joanna Powell, Katherine M. Price, Isabella G. Lincoln, Keonabelle P. Paniagua, Sean T. Karl, Julie Ahn, Noelle G. Seekamp-Hicks, Lauren Wideen, Joshua Park, Rachel Tan
Effects Of Co-Ingesting Dietary Nitrate And Vitamin C On Nitric Oxide Bioavailability, Blood Pressure, And Cardiovascular Reactivity In Hispanic Females, Joanna Powell, Katherine M. Price, Isabella G. Lincoln, Keonabelle P. Paniagua, Sean T. Karl, Julie Ahn, Noelle G. Seekamp-Hicks, Lauren Wideen, Joshua Park, Rachel Tan
International Journal of Exercise Science: Conference Proceedings
High blood pressure is a hallmark of chronic disease and is disproportionately prevalent in ethnic minorities. Dietary nitrate has been shown to lower blood pressure via increased nitric oxide (NO), but few studies have examined if combining nitrate with vitamin C (VITC) could have beneficial synergistic effects on blood pressure by augmenting NO, and limited data exist in females. PURPOSE: To investigate if combining nitrate-rich beetroot juice (BR) with VITC could further augment NO bioavailability and improve blood pressure in Hispanic females compared to BR and VITC ingested alone. METHODS: Eight sedentary Hispanic females participated in four conditions …
Effect Of Trail Running Pack Weight On Lower Extremity Biomechanics, Lily Poulton, Cheyenne Dabel, Tyson Ngatikaura, Ally Sipple, Chloe Weight, Hayden Smith, Shane Draper, Andrew Creer, Tyler Standifird
Effect Of Trail Running Pack Weight On Lower Extremity Biomechanics, Lily Poulton, Cheyenne Dabel, Tyson Ngatikaura, Ally Sipple, Chloe Weight, Hayden Smith, Shane Draper, Andrew Creer, Tyler Standifird
International Journal of Exercise Science: Conference Proceedings
In the sport of ultrarunning there are a variety of ways runners carry the equipment and nutrition that is required. Many of the faster athletes will be seen with handheld bottles or minimal packs, however the size and weight of packs may vary based on the length of the race, nutritional needs, and pacing. PURPOSE: To date, no research has been conducted to understand what biomechanical adaptions occur with packs of varying weight. METHODS: Kinematic and kinetic data were collected using a 16 camera Vicon Nexus System (Vicon Inc. Denver, CO) and the Bertec instrumented treadmill (Bertec, Inc., …
Comparing Exercise Intensity As A Percentage Of The Age-Estimated Heart Rate Max Among Walking, Jogging, And Skipping, Jorge Perdomo Rodriguez, Dustin Davis, Nicole Vargas, Elias Malek, Bryson Carrier, Katherine Carlos, Bianca Weyers, James Navalta
Comparing Exercise Intensity As A Percentage Of The Age-Estimated Heart Rate Max Among Walking, Jogging, And Skipping, Jorge Perdomo Rodriguez, Dustin Davis, Nicole Vargas, Elias Malek, Bryson Carrier, Katherine Carlos, Bianca Weyers, James Navalta
International Journal of Exercise Science: Conference Proceedings
BACKGROUND: Heart rate (HR) intensity in walking and running has been extensively studied. However, exploring the intensities of other activities such as skipping has been skipped over. Skipping is a playful activity usually performed in short bouts. The intensity and feasibility of skipping for several minutes is unclear. Studying HR during skipping may reveal that it is a novel and useful form of aerobic exercise. PURPOSE: The aim of this study was to compare HR intensity among walking, running, and skipping. METHODS: Ten participants gave verbal and written consent and self-reported biological sex, age, height, and mass (5 male, 5 …
Evaluation Of Average And Maximum Heart Rate Of Wrist-Worn Wearable Technology Devices During Trail Running, Myranda J. Peck, Dustin W. Davis, Elias M. Malek, Nicole R. Vargas, Michael Dial, Bianca Weyers, Wyatt Fullmer, Wesley Ziegler, Damian Gil, Mike Torres, Camden Cox, Nathaniel Bodell, Jacob W. Manning, Jeffrey Cowley, Merrill Funk, Marcus M. Lawrence, Mark Debeliso Phd, James W. Navalta
Evaluation Of Average And Maximum Heart Rate Of Wrist-Worn Wearable Technology Devices During Trail Running, Myranda J. Peck, Dustin W. Davis, Elias M. Malek, Nicole R. Vargas, Michael Dial, Bianca Weyers, Wyatt Fullmer, Wesley Ziegler, Damian Gil, Mike Torres, Camden Cox, Nathaniel Bodell, Jacob W. Manning, Jeffrey Cowley, Merrill Funk, Marcus M. Lawrence, Mark Debeliso Phd, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
It has been estimated that there are 20 million people who participate in trail running, and these numbers are expected to increase by 15% each year. Our laboratory group has conducted studies on the validity of wearable technology watches and heart rate (HR) during trail running. The previous generation devices were mostly inaccurate, and a limitation was that reliability was not measured. PURPOSE: To determine both validity and reliability in newer models of wearable devices during trail running. METHODS: Seventeen participants (F = 7) ran on the Thunderbird Gardens Lightning Switch trail in Cedar City, UT. Demographic characteristics: Age …
Time Course Evaluation Of Mapk Phosphorylation To Resistance Exercise: A Systematic Review, Justin X. Nicoll, Christopher J. Lee
Time Course Evaluation Of Mapk Phosphorylation To Resistance Exercise: A Systematic Review, Justin X. Nicoll, Christopher J. Lee
International Journal of Exercise Science: Conference Proceedings
Mitogen activated protein kinases (MAPK) are intramuscular cell signaling proteins that regulate adaptations to resistance exercise (RE). The MAPKs extracellular signal-regulated kinase 1/2 (ERK1/2), c-jun N-terminal kinase (JNK), p90RSK, and p38-MAPK increase during and after RE. Despite the well-known increase in post-RE phosphorylation responses of MAPK, the time-course and pattern of their activation remains unclear and poorly described. The ability to clearly define phosphorylation patterns during recovery are limited due to the variety of RE protocols implemented and populations tested when investigating MPAK responses to RE. PURPOSE: To systematically review literature on exercise-induced phosphorylation of ERK1/2, JNK, p38-MAPK, and …
Chronotypical And Habitual Exercise Timing Effects On Physical Activity And Sleep Quality, Elias M. Malek, Michael Dial, Graham Mcginnis 8954626
Chronotypical And Habitual Exercise Timing Effects On Physical Activity And Sleep Quality, Elias M. Malek, Michael Dial, Graham Mcginnis 8954626
International Journal of Exercise Science: Conference Proceedings
An individual's circadian rhythm and chronotype, or circadian preference, influence physical activity (PA) and sleep patterns during the 24-hour period, with people who prefer later exercise exhibiting poorer sleep patterns and reduced physical activity (PA) levels. Previous work comparing exercise timing’s relationship with chronotype examined single bouts of exercise, indicating the need to examine habitual exercise trends on a longer-term basis. PURPOSE: To analyze the interaction between chronotype and long-term exercise timing preference on physical activity and sleep quality. METHODS: Data were analyzed retrospectively from an open-source data set collected by Cunningham et al. from 05/2020 – 11/2021. Chronotype was …
Combined Blood Flow Restriction Training And Betaine Supplementation Impacts On Serum Betaine And Homocysteine Concentrations, Steven B. Machek, Emilia Zawieja, Jeffery Heileson, Dillon Harris, Dylan T. Wilburn, Jason Michael Cholewa, Darryn Willoughby
Combined Blood Flow Restriction Training And Betaine Supplementation Impacts On Serum Betaine And Homocysteine Concentrations, Steven B. Machek, Emilia Zawieja, Jeffery Heileson, Dillon Harris, Dylan T. Wilburn, Jason Michael Cholewa, Darryn Willoughby
International Journal of Exercise Science: Conference Proceedings
Homocysteine (HCY) is a clinically implicated in inflammation and cardiovascular impairments. Although both betaine supplementation and acute resistance (both high-load [HL] and low-load blood flow restriction [LL-BFR]) training notably attenuate HCY concentrations, it is hitherto unknown if these independent modalities synergistically interact. PURPOSE: to determine whether a combination of betaine supplementation, as well as acute HL and/or LL-BFR training can attenuate post-exercise HCY more effectively than either isolated modality. METHODS: Eighteen recreationally trained males (25±5y) were randomized in double-blind fashion to supplement 6g/day of either betaine anhydrous (BET) or identically dosed cellulose placebo for 14-days. Subsequently, all subjects performed four …
Firefighter Trainee Fitness, Reasons For Academy Release, And Predictive Capabilities Of Fitness Tests, Robert G. Lockie, Fernando Montes, Robin (Rob) Marc Orr, J. Jay Dawes
Firefighter Trainee Fitness, Reasons For Academy Release, And Predictive Capabilities Of Fitness Tests, Robert G. Lockie, Fernando Montes, Robin (Rob) Marc Orr, J. Jay Dawes
International Journal of Exercise Science: Conference Proceedings
Firefighter trainees need a level of fitness to be admitted to and complete a training academy. Fitness could indicate a trainee’s likelihood of graduation. PURPOSE: Determine fitness differences between trainees who graduated (GRAD) or were released due to a) injury (RELI), b) skills test performance failures (RELP), or c) resignation (RELR); and whether fitness predicted graduation or academy release. METHODS: Data from an occupational physical ability test (OPAT) for 686 trainees were analyzed, including: Illinois agility test; push-ups; pull-ups; leg tucks; estimated maximal aerobic capacity (V̇O2max) from the multistage fitness test; backwards overhead 4.54-kg medicine ball …
The Effects Of Acute Beetroot Juice Ingestion On Exercise And Cognitive Performance In Female Athletes, Isabella G. Lincoln, Courtney Merrill, Katherine M. Price, Sean T. Karl, Ryan T. Kenney, Alyssa A. Riley, Chandler F. Riley, Maya A. Hammer, Adam Pennell, Rachel Tan
The Effects Of Acute Beetroot Juice Ingestion On Exercise And Cognitive Performance In Female Athletes, Isabella G. Lincoln, Courtney Merrill, Katherine M. Price, Sean T. Karl, Ryan T. Kenney, Alyssa A. Riley, Chandler F. Riley, Maya A. Hammer, Adam Pennell, Rachel Tan
International Journal of Exercise Science: Conference Proceedings
Nitrate-rich beetroot juice can enhance intense exercise performance which is attributed to enhanced skeletal muscle contractility. However, limited data exist in females and it is unknown whether dietary nitrate has an ergogenic effect in this population. PURPOSE: To investigate the potential effects of acute nitrate ingestion on a battery of exercise performance and cognitive tests before and after fatiguing intermittent running exercise. METHODS: Fifteen female team-sport athletes were assigned in a randomized, double-blind, crossover design to consume nitrate-rich beetroot juice (BR; 12 mmol of nitrate) and nitrate-depleted beetroot juice (PL; 0.10 mmol of nitrate) 2.5 h prior to …
Influence Of Acute Exercise On Postprandial Lipemia And Fat Oxidation In Active Cannabis Users, Grace Handler, Colin Atkins, Casandra Mendez, Alvin Molina, Lauryn Outlaw, Maren Plant, Matthew M. Schubert
Influence Of Acute Exercise On Postprandial Lipemia And Fat Oxidation In Active Cannabis Users, Grace Handler, Colin Atkins, Casandra Mendez, Alvin Molina, Lauryn Outlaw, Maren Plant, Matthew M. Schubert
International Journal of Exercise Science: Conference Proceedings
Adults residing in industrialized nations spend most of their day in a postprandial state. This can cause prolonged elevated levels of triglycerides and glucose post-meal, leading to increased risk of cardiovascular and metabolic disease. In epidemiological literature, cannabis users have been reported to have similar or lower levels of blood lipids compared to nonusers. However, postprandial responses and whether prior exercise improves postprandial lipemia (PPL) in this population is not known. PURPOSE: To examine the influence of prior exercise on PPL in active cannabis users. METHODS: This analysis presents preliminary data from a larger ongoing study comparing prior …
Peripheral Heating With Negative Pressure Increases Arterial Blood Flow, Brigitte Fuller, Matthew Fahey, Kevin Paul Eusoof, Paige Straus, Michael Buono Facsm, Jeff Moore
Peripheral Heating With Negative Pressure Increases Arterial Blood Flow, Brigitte Fuller, Matthew Fahey, Kevin Paul Eusoof, Paige Straus, Michael Buono Facsm, Jeff Moore
International Journal of Exercise Science: Conference Proceedings
Over half (53%) of adults in the United States have some form of diabetes. Traditional treatments have been inadequate in stopping this epidemic suggesting the need for novel therapies. Peripheral heating with negative pressure has previously been shown to reduce blood glucose. The mechanisms behind this effect are unknown but may be related to changes in blood flow to the treated extremity. PURPOSE: To examine changes in flow rate (time averaged mean velocity (TAMV)), vessel cross-sectional area (CSA), and blood flow in the popliteal artery before and during peripheral heating with negative pressure applied to the feet. METHODS: …
The Effects Of Sitting And Walking In Green Space On State Mindfulness And Connectedness To Nature, Dustin W. Davis, Elias M. Malek, Robert W. Salatto, Jeff Montes, Charli D. Aguilar, Nathaniel Bodell, Jacob W. Manning, Mark Debeliso Phd, Marcus M. Lawrence, James W. Navalta
The Effects Of Sitting And Walking In Green Space On State Mindfulness And Connectedness To Nature, Dustin W. Davis, Elias M. Malek, Robert W. Salatto, Jeff Montes, Charli D. Aguilar, Nathaniel Bodell, Jacob W. Manning, Mark Debeliso Phd, Marcus M. Lawrence, James W. Navalta
International Journal of Exercise Science: Conference Proceedings
People report feeling connected to nature while spending time in green space. The modulators of this relationship are unclear. One modulator may be state mindfulness, which is how mindful someone is in a specific moment. The first step of studying state mindfulness as a potential modulator is describing how state mindfulness and connectedness to nature respond to acute exposure to green space. PURPOSE: This study aimed to determine whether sitting and walking in green space change state mindfulness and connectedness to nature in tandem. METHODS: Participants arrived at one of two green spaces: the Thunderbird Gardens Trailhead in …
How Does Diet Quality Predict The Performance Of Rotc Cadets On The Acft, Grant Calhoun, Sofia Harman, Annika C. Grams, Ruth Larson, Payton Price, Sara Thomasson, Kaitlyn Wabakken, Katelynn Brock, Zachary Zeigler, Anthony Acevedo
How Does Diet Quality Predict The Performance Of Rotc Cadets On The Acft, Grant Calhoun, Sofia Harman, Annika C. Grams, Ruth Larson, Payton Price, Sara Thomasson, Kaitlyn Wabakken, Katelynn Brock, Zachary Zeigler, Anthony Acevedo
International Journal of Exercise Science: Conference Proceedings
The Army Combat Fitness Test (ACFT) is a newly developed test assessing U.S. Army soldiers' combat readiness. The Healthy Eating Index 2015 (HEI-2015) is a questionnaire established by the USDA that quantifies overall diet quality. The HEI-2015 uses a scale of 0 to 100 with higher scores aligning more with the recommendations from the Dietary Guidelines for Americans. The HEI-2015 is comprised of 13 subcategories: Total Fruits [TF], Whole Fruits [WF], Total Vegetables [TV], Greens and Beans [GB], Whole Grains [WG], Dairy [D], Total Protein foods [TP], Seafood and Plant Proteins [SPP], Fatty Acids [FA], Refined Grains [RG], Sodium [S], …
10-Year Weight Change And Biological Aging In A Random Sample Of 3,059 U.S. Adults, Joshua Brockbank, Larry A. Tucker
10-Year Weight Change And Biological Aging In A Random Sample Of 3,059 U.S. Adults, Joshua Brockbank, Larry A. Tucker
International Journal of Exercise Science: Conference Proceedings
Telomeres play a key role in the protection of chromosomes. A good index of biological aging is the length of telomeres. Telomeres gradually shorten over time. Hence, they are strongly related to chronological age. Lifestyle is also an important factor influencing telomere length. PURPOSE: This investigation was designed to study the relationship between 10-yr weight change and leukocyte telomere length (LTL) in a large sample of 3,059 randomly selected U.S. adults, 35-70 years old. METHODS: NHANES (National Health and Nutrition Examination Survey) data were used with a cross-sectional design to determine the relationship between percent weight change and LTL. Percent …