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Full-Text Articles in Physiology
Cardiovascular, Metabolic And Perceptual Responses To Preferred Walking Speed At Different Inclines And Post Exercise Postural Control In Healthy College Age Adults, Meir Magal, S. Leanna Fann, Kathleen S. Thomas
Cardiovascular, Metabolic And Perceptual Responses To Preferred Walking Speed At Different Inclines And Post Exercise Postural Control In Healthy College Age Adults, Meir Magal, S. Leanna Fann, Kathleen S. Thomas
International Journal of Exercise Science
Although several studies investigated heart rate (HR) and metabolic responses to preferred walking speed (PWS), there is a limited amount of data on PWS responses during varying inclines. Further, there is no data pertaining to the impact of PWS at various inclines on postural control. The purpose of the study was to measure cardiovascular, metabolic, perceptual, and postural impacts of walking at PWS at various inclines. Twenty-one participants completed two lab sessions, seven days apart. On day one, PWS on the treadmill and maximal oxygen consumption (O2max) were established for each participant. On day two, using a counter …
Physiological, Musculoskeletal & Anthropometric Characteristics & Performance Between Competitive & Recreational Surfers: A Scoping Review, Harrison Stone, Lucy Douglas, James Furness, Kevin Kemp-Smith, Mike Climstein, Sean Newcomer
Physiological, Musculoskeletal & Anthropometric Characteristics & Performance Between Competitive & Recreational Surfers: A Scoping Review, Harrison Stone, Lucy Douglas, James Furness, Kevin Kemp-Smith, Mike Climstein, Sean Newcomer
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 1277-1293, 2021. Surfing is the ability to ride a surfboard along the unbroken section, wall or face of a wave, as it moves closer towards the shore. The purpose of this review is to provide an overview of the physiological, musculoskeletal and anthropometric characteristics that can differentiate between paddling and wave riding performance in competitive and recreational surfing populations. The eligibility criteria for this scoping review included articles that distinguished between multiple surfing ability groups, identified physiological, musculoskeletal or anthropometric characteristics, were peer reviewed, and directly related to the sport of surfing. The databases …
Physical Activity During Pregnancy May Mitigate Adverse Outcomes Resulting From Covid-19 And Distancing Regulations: Perspectives Of Prenatal Healthcare Providers In The Southern Region Of The United States, Taniya S. Nagpal, Jill Maples, Cathryn Duchette, Elizabeth A. Altizer, Rachel Tinius
Physical Activity During Pregnancy May Mitigate Adverse Outcomes Resulting From Covid-19 And Distancing Regulations: Perspectives Of Prenatal Healthcare Providers In The Southern Region Of The United States, Taniya S. Nagpal, Jill Maples, Cathryn Duchette, Elizabeth A. Altizer, Rachel Tinius
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 1138-1150, 2021. Prenatal physical activity (PA) may mitigate adverse outcomes that have increased as a result of the coronavirus pandemic, including poor maternal mental health. This study explored the perspectives of prenatal healthcare providers (PHCP) on maternal PA during the pandemic and identified resources providers would like to have to inform clinical discussions and prescription of PA. Semi-structured interviews were completed with PHCPs following a qualitative description approach. A content analysis coded data to inform three study objectives: 1. Changes to maternal health, 2. The role prenatal PA can have during a pandemic, 3. …
Cycling With Short Crank Lengths Improved Economy In Novices, Boe Burrus, Jessie Armendariz, Brian Moscicki
Cycling With Short Crank Lengths Improved Economy In Novices, Boe Burrus, Jessie Armendariz, Brian Moscicki
International Journal of Exercise Science
International Journal of Exercise Science 14(1): 1123-1137, 2021. Novice endurance athletes utilize slower movements and smaller ranges of motion compared to trained endurance athletes. Novice cyclists have been shown to follow this paradigm via the use of slower cadences but may further benefit by utilizing shorter crank lengths to affect speed of movement and range of motion. The purpose of the study was to determine the impact of shorter than traditional crank lengths on the physiological response and performance of novice cyclists exercising at 60% of VO2peak. A total of 14 male novice cyclists (25.9 ± 6.9 yrs.) …
Reduced Injury Prevalence In Soccer Athletes Following Gps Guided Acclimatization, Montgomery Bertschy, Jeffrey Howard, Sakiko Oyama, Kelly Cheever
Reduced Injury Prevalence In Soccer Athletes Following Gps Guided Acclimatization, Montgomery Bertschy, Jeffrey Howard, Sakiko Oyama, Kelly Cheever
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 1070-1077, 2021. GPS technology has been used to retrospectively correlate injury risk to changes in training load, however the use of GPS technology to plan and monitor training load over an acclimatization period to prevent musculoskeletal injury remains unexplored. This article reports the utility of GPS technology to help develop and monitor incremental increases in training load while transitioning from off-season to in season to reduce musculoskeletal injury. A series of daily minimum standards were established based on observed training loads in year 1 to gradually acclimate soccer athletes over a 5-week period prior …
The Effect Of Compression Socks On Maximal Exercise Performance And Recovery In Insufficiently Active Adults, Alexander H.K. Montoye, Alexandra A. Mithen, Haven L. Westra, Summer S. Besteman, Brian C. Rider
The Effect Of Compression Socks On Maximal Exercise Performance And Recovery In Insufficiently Active Adults, Alexander H.K. Montoye, Alexandra A. Mithen, Haven L. Westra, Summer S. Besteman, Brian C. Rider
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 1036-1051, 2021. In athletic populations, compression socks (CS) may improve exercise performance recovery. However, their potential to improve performance and/or recovery following exercise in non-athletic populations is unknown. Our study evaluated the effects of CS on exercise performance and recovery from a graded maximal treadmill test. Insufficiently active adults (n = 10, 60% female, average physical activity ~60 minutes/week) performed two graded maximal exercise tests; one while wearing below-knee CS, and the other trial with regular socks (CON). Order of trials was randomized. For both trials, heart rate, lactate, and rating of perceived …
Nontraumatic Injuries In The Ncaa: Collegiate Football Strength Coaches Should Exercise Caution This Off-Season, Andreas Stamatis, Marshall Magnusen
Nontraumatic Injuries In The Ncaa: Collegiate Football Strength Coaches Should Exercise Caution This Off-Season, Andreas Stamatis, Marshall Magnusen
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 980-983, 2021. Strength and conditioning coaches were allegedly involved in pre-COVID-19 nontraumatic injuries/deaths (e.g., exertional heat illness, exertional rhabdomyolysis, cardiorespiratory failure) of NCAA (mainly football) student-athletes during off-season training sessions. During the COVID-19 health crisis, non-pharmaceutical interventions against the SARS-CoV-2 virus included suspension of NCAA seasons, which led to student-athletes exhibiting lower levels of mental health. All NCAA championships have now been reinstated. This summer the off-season is unique, because as several programs had stopped practicing/competing for several months, it may foster additional threats to the wellbeing of the student-athletes. Immediate supplementary action may …
Prediction And Cross-Validation Of An Energy Expenditure Equation In Walking Or Running In Asian Adults, Xi Jin, Teresa Carithers, Mark Loftin
Prediction And Cross-Validation Of An Energy Expenditure Equation In Walking Or Running In Asian Adults, Xi Jin, Teresa Carithers, Mark Loftin
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 932-940, 2021. The prevalence of obesity is increasing across the world. Knowledge of the actual energy expenditure (EE) of walking and running can lead to a more precise exercise prescription which may contribute to obesity reduction or avoidance. Limited research has focused on EE prediction during walking or running in Asian adults. So, the aims of this study included developing an EE prediction equation and cross-validating the equation for Asian adults. Methods: A total of 85 Asians participated to test EE through indirect calorimetry. Linear regression analysis was employed for EE prediction, and a …
A Community-Based Boxing Program Is Associated With Improved Balance In Individuals With Parkinson’S Disease, Abbie Moore, Enoch Yee, Brad W. Willis, Evan L. Prost, Aaron D. Gray, J. Bryan Mann
A Community-Based Boxing Program Is Associated With Improved Balance In Individuals With Parkinson’S Disease, Abbie Moore, Enoch Yee, Brad W. Willis, Evan L. Prost, Aaron D. Gray, J. Bryan Mann
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 876-884, 2021. In alignment with efforts to mitigate the negative health consequences of Parkinson’s Disease (PD), the purpose of this investigation was to examine if participation in a community-based boxing program (CBP) was associated with improvements in balance and fall risk reduction among individuals with PD. In this retrospective cross-sectional study, de-identified data from 12 individuals with PD participating in a CBP was examined. Participants included those with a Hoehn and Yahr stage between 1 and 3, averaging 2.8 ± 0.8 CBP sessions per week for 6.1 ± 0.8 months between testing. Baseline and …
The Impact Of Aquatic Based Plyometric Training On Jump Performance: A Critical Review, Pryse M. Mullenax, Quincy Johnson, Michael A. Trevino, Douglas B. Smith, Bert H. Jacobson, J. Jay Dawes
The Impact Of Aquatic Based Plyometric Training On Jump Performance: A Critical Review, Pryse M. Mullenax, Quincy Johnson, Michael A. Trevino, Douglas B. Smith, Bert H. Jacobson, J. Jay Dawes
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 815-828, 2021. There is evidence to suggest that aquatic plyometric training (APT) may be an effective and safer alternative to traditional land-based plyometric training (LPT) when training to increase jump performance. The aim of this review was to critically examine the current literature regarding the effects of APT vs. LPT on jump performance in athletic populations. Key terms were employed in five separate databases to complete the current review. Available articles were screened for inclusion and exclusion criteria to determine which studies were deemed eligible for review. Outcome measure in these studies included those …
Head Trauma Not Associated With Long Term Effects On Autonomic Function, Carley A. Shannon, Kimberli L. Pike, Sydney R. Dejonge, Paul R. Nagelkirk, Andrew T. Del Pozzi
Head Trauma Not Associated With Long Term Effects On Autonomic Function, Carley A. Shannon, Kimberli L. Pike, Sydney R. Dejonge, Paul R. Nagelkirk, Andrew T. Del Pozzi
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 779-790, 2021. Contact-sports can elicit concussions, which impacts autonomic function, as well as elicit repetitive head trauma, where autonomic function has not yet been assessed. The purpose of this study was to determine if differences in autonomic function exist among three groups (CTRL: healthy non-contact-sport participant, RHT: repetitive head trauma contact-sport participant, CONC: previous concussion). Forty participants (16 men and 24 women), aged 18-37 (22 ± 3), participated in the study. Participants were grouped based on their sport and concussion history (CTRL, RHT, and CONC). Body composition was measured via air displacement plethysmography. Prior …
The Influence Of A Total Body Resistance Training Program On Autonomic Modulation And Strength Variables In Young Adults, Cody Altherr, Kayla M. Soave, Paul R. Nagelkirk, Andrew T. Del Pozzi
The Influence Of A Total Body Resistance Training Program On Autonomic Modulation And Strength Variables In Young Adults, Cody Altherr, Kayla M. Soave, Paul R. Nagelkirk, Andrew T. Del Pozzi
International Journal of Exercise Science
International Journal of Exercise Science 14(2): 802-814, 2021. The purpose of this study was to examine autonomic modulation using multiple quantitative measures before and after a resistance training (RT) intervention. Seventeen young adults (age 18-35 years) were tested for body composition, muscular strength, and autonomic activity. The RT protocol targeted total-body large muscle groups, which were performed three days a week for eight-weeks. Autonomic assessments included respiratory sinus arrhythmia (RSA), static handgrip exercise, Valsalva maneuver, heart rate variability (HRV), and tilt-table testing. The main finding was that tilt-table duration increased by 68 seconds (p = 0.05) after RT. Upper …
Acute Effect Of Different Duration Of Foam Rolling Protocols On Muscle Thickness, Pain Pressure Threshold, And Volume Load On Multiple Sets Of Knee Extension, Felipe Alves Brigatto, Enrico Gori Soares, Tiago Volpi Braz, Júlio Benvenutti Bueno De Camargo, Charlini Simoni Hartz, Danilo Rodrigues Batista, Luan Oenning Col, Paulo Henrique Marchetti, Marcelo Saldanha Aoki, Charles Ricardo Lopes
Acute Effect Of Different Duration Of Foam Rolling Protocols On Muscle Thickness, Pain Pressure Threshold, And Volume Load On Multiple Sets Of Knee Extension, Felipe Alves Brigatto, Enrico Gori Soares, Tiago Volpi Braz, Júlio Benvenutti Bueno De Camargo, Charlini Simoni Hartz, Danilo Rodrigues Batista, Luan Oenning Col, Paulo Henrique Marchetti, Marcelo Saldanha Aoki, Charles Ricardo Lopes
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 742-755, 2021. Previous studies investigated the effects of foam rolling (FR) on measurements of strength and power. However, the acute effect of FR on muscle thickness (MT) and pressure pain threshold (PPT) after multiple sets of resistance exercise remains to be elucidated. The aim of the present study was to examine the effect of one and three minutes of quadriceps FR on muscle thickness (vastus lateralis [VL] and rectus femoris [RF]), pain threshold (VL and RF), and total load lifted (TLL) on multiple sets of knee extension. Nine resistance-trained men (age: 24.8 ± 5.2 …
Effect Of Huperzine A On Cognitive Function And Perception Of Effort During Exercise: A Randomized Double-Blind Crossover Trial, Chadsley M. Wessinger, Cynthia Inman, Jeremiah Weinstock, Edward Weiss
Effect Of Huperzine A On Cognitive Function And Perception Of Effort During Exercise: A Randomized Double-Blind Crossover Trial, Chadsley M. Wessinger, Cynthia Inman, Jeremiah Weinstock, Edward Weiss
International Journal of Exercise Science
International Journal of Exercise Science 14(2): 727-741, 2021. Huperzine A has shown the ability to acutely improve cognitive function in certain populations, and therefore is commonly added to pre-workout supplements. However, its effects have not been studied in exercise-trained individuals. OBJECTIVE: We hypothesized that acute consumption of huperzine A would improve cognitive function during exercise, which may be beneficial for exercise performance. METHODS: From January to April, 2018, 15 exercise-trained individuals (11 women [height 166 ± 2 cm, weight 60.5 ± 3.0 kg] and 4 men [height 173 ± 4 cm, weight 82.0 ± 11.0 kg], BMI 23.5 ± 1.4 …
Relationship Of Biological Maturation With Muscle Power In Young Female Athletes, Paulo Francisco De Almeida-Neto, Alexandre Bulhões-Correia, Dihogo De Matos, Phelipe Wilde De Alcântara Varela, Vanessa Carla Monteiro Pinto, Paulo M. Dantas, Felipe Aidar, Breno Guilherme De Araujo Tinoco Cabral
Relationship Of Biological Maturation With Muscle Power In Young Female Athletes, Paulo Francisco De Almeida-Neto, Alexandre Bulhões-Correia, Dihogo De Matos, Phelipe Wilde De Alcântara Varela, Vanessa Carla Monteiro Pinto, Paulo M. Dantas, Felipe Aidar, Breno Guilherme De Araujo Tinoco Cabral
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 696-706, 2021. There is still no consensus on how biological maturation (BM) affects the muscle power of upper and lower limbs in young people. The objective was to verify associations between BM and muscle power, as well as to compare the muscle power of upper (ULP) and lower limbs (LLP) among young athletes in different stages of BM. The sample consisted of 79 female athletes (10.9 ± 1.11 years old). Regarding BM, the sample was divided into three groups: delayed BM, synchronized BM, and accelerated BM. BM was identified by subtracting chronological age from …
Conservative Clothing Effects On Body Composition Assessment By Air Displacement Plethysmography, Shaun L. Orvell, Kasuen Mauldin, John Gieng
Conservative Clothing Effects On Body Composition Assessment By Air Displacement Plethysmography, Shaun L. Orvell, Kasuen Mauldin, John Gieng
International Journal of Exercise Science
International Journal of Exercise Science 14(4): 687-695, 2021. Form-fitting spandex swimsuits or single-layer compression shorts are recommended during BOD POD® testing to ensure accurate results. The purpose of this study was to evaluate the effects of various outfit types on body composition measurements using the BOD POD®, and self-reported comfort level wearing each outfit. Twenty-one participants, 8 females and 13 males, (age 31.6 ± 9.8 years) wore a spandex swim cap and three different outfits during BOD POD® testing (manufacturer-recommended form-fitting spandex swimsuit, short sleeve spandex, long sleeve spandex). Measured variables include body mass, body fat percentage, …
Order Of Resistance Training Cycles To Develop Strength And Muscle Thickness In Resistance-Trained Men: A Pilot Study, Julio Benvenutti Bueno De Camargo, Felipe Brigatto, Tiago Volpi Braz, Moisés Diego Germano, Gabriela Silva Nascimento, Raphael Machado Da Conceição, Ivan Teixeira, Tulio Sanches, Marcelo Saldanha Aoki, Charles Ricardo Lopes
Order Of Resistance Training Cycles To Develop Strength And Muscle Thickness In Resistance-Trained Men: A Pilot Study, Julio Benvenutti Bueno De Camargo, Felipe Brigatto, Tiago Volpi Braz, Moisés Diego Germano, Gabriela Silva Nascimento, Raphael Machado Da Conceição, Ivan Teixeira, Tulio Sanches, Marcelo Saldanha Aoki, Charles Ricardo Lopes
International Journal of Exercise Science
International Journal of Exercise Science 14(4): 644-656, 2021. The aim of the present study was to assess the chronic effects of different order of resistance training cycles on strength and muscle thickness of recreationally resistance-trained men. The study sample was composed of 16 healthy men (age: 25.0 ± 3.8 years, height: 1.77 ± 7.6 cm, total body mass: 81.7 ± 10.4 kg, RT experience: 4.6 ± 0.7 years, relative bench press one repetition maximum: 1.2 ± 0.1, relative squat one-repetition maximum: 1.5 ± 0.2). According to baseline maximal strength, participants were allocated in one of the following groups: Maximal Strength-Strength …
An Assessment Of Mobile Applications Designed To Address Physical Activity During Pregnancy And Postpartum, Rachel A. Tinius, Mackenzie Polston, Hannah Bradshaw, Paula Ashley, Ashley Greene, Angel Parker
An Assessment Of Mobile Applications Designed To Address Physical Activity During Pregnancy And Postpartum, Rachel A. Tinius, Mackenzie Polston, Hannah Bradshaw, Paula Ashley, Ashley Greene, Angel Parker
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 382-399, 2021. Only 15% of women meet physical activity guidelines during and after pregnancy despite the well-established positive impacts on both the mother and the neonate. There is a clear lack of guidance on this topic, and mobile health interventions are a promising direction for future interventions to facilitate a necessary increase in physical activity during pregnancy and postpartum. The purpose of the study was to objectively assess the quality and perceived impact of existing free mobile apps that are designed to cover physical activity during and after pregnancy. The Mobile Application Rating Scale …
Skilled Throwing Performance: A Test Of The Optimal Theory, Jacquelyn V.L. Sertic, Jason M. Avedesian, James W. Navalta
Skilled Throwing Performance: A Test Of The Optimal Theory, Jacquelyn V.L. Sertic, Jason M. Avedesian, James W. Navalta
International Journal of Exercise Science
International Journal of Exercise Science 14(5): 358-368, 2021. The OPTIMAL theory of motor learning postulates that autonomy support (AS), enhanced expectancies (EE), and an external focus of attention (EF) facilitate improved motor learning and performance. However, its applicability to elite-level throwing athletes has not been investigated by previous literature. The primary purpose of this study was to investigate the successive implementation of AS, EE, and EF factors on overhand throwing performance in elite collegiate softball athletes (14.44 ± 2.75 years of softball experience). The secondary purpose was to determine whether self-efficacy beliefs would be augmented by factor manipulation. Twenty-four participants …
Physical And Lifestyle Factors Influencing Bone Density In Jockeys: A Comprehensive Update Of The Bone Density Status Of Irish Jockeys, Arthur Dunne, Giles Warrington, Adrian Mcgoldrick, Jennifer Pugh, Michael Harrison, Siobhan O'Connor, Gillian O'Loughlin, Sarahjane Cullen
Physical And Lifestyle Factors Influencing Bone Density In Jockeys: A Comprehensive Update Of The Bone Density Status Of Irish Jockeys, Arthur Dunne, Giles Warrington, Adrian Mcgoldrick, Jennifer Pugh, Michael Harrison, Siobhan O'Connor, Gillian O'Loughlin, Sarahjane Cullen
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 324-337, 2021. Compromised bone density in jockeys has previously been identified as an important health and safety concern in horseracing. Despite this, no update on the bone density status in Irish jockeys has been provided in the past decade. The study aimed to conduct a comprehensive update of the current bone density status in professional Irish jockeys and identify possible contributory physical and lifestyle factors. Eighty-five professional male jockeys (flat n = 39; national hunt (NH) n = 46) completed a dual-energy X-ray absorptiometry (DXA) scan for the assessment of body composition and bone …
Effects Of A Vibrating Foam Roller On Ipsilateral And Contralateral Neuromuscular Function And The Hamstring-To-Quadriceps Ratios, Rachel M. Ruggieri, Jared W. Coburn, Andrew J. Galpin, Pablo B. Costa
Effects Of A Vibrating Foam Roller On Ipsilateral And Contralateral Neuromuscular Function And The Hamstring-To-Quadriceps Ratios, Rachel M. Ruggieri, Jared W. Coburn, Andrew J. Galpin, Pablo B. Costa
International Journal of Exercise Science
International Journal of Exercise Science 14(1): 304-323, 2021. The effects of vibrating foam rolling the hamstrings on range of motion (ROM), hamstrings-to-quadriceps (H:Q) ratios, muscle activation, and peak torque (PT) of the quadriceps and hamstrings have yet to be extensively studied. The aim of this study was to investigate the effects of a vibrating foam roller on the hamstrings. Fifteen resistance trained women (mean age ± SD = 22.9 ± 2.0 years, height = 162.7 ± 4.8 cm, body mass = 66.0 ± 9.7 kgs, BMI = 24.9 ± 3.3 kg·m2) participated in five separate testing sessions to …
Evaluating The Clinical Utility Of Daily Heart Rate Variability Assessment For Classifying Meaningful Change In Testosterone-To-Cortisol Ratio: A Preliminary Study, Justin A. Deblauw, Derek A. Crawford, Brady K. Kurtz, Nicholas B. Drake, Katie M. Heinrich
Evaluating The Clinical Utility Of Daily Heart Rate Variability Assessment For Classifying Meaningful Change In Testosterone-To-Cortisol Ratio: A Preliminary Study, Justin A. Deblauw, Derek A. Crawford, Brady K. Kurtz, Nicholas B. Drake, Katie M. Heinrich
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 260-273, 2021. The study purpose was to determine the relationship of resting heart rate variability (HRV) and testosterone to cortisol (T:C) ratio, along with the diagnostic ability of HRV to assess changes in T:C ratio during a 9-week high-intensity functional training intervention. Eight recreationally-active men (n = 4, age 24.25 ± 1.75 yrs, height 181.25 ± 3.86 cm, weight 79.68 ± 11.66 kg) and women (n = 4, age 26 ± 3.6 yrs, height 164.25 ± 3.3, weight 73.4 ± 8.42) completed daily HRV measurements (HRVdaily) using photoplethysmography via a commercially-available smartphone …
The Influence Of Education On The Nutritional Knowledge Of Certified Fitness Professionals, Bridget F. Melton, Joelle Romanchik-Cerpovicz, Greg A. Ryan, Catherine Gallagher
The Influence Of Education On The Nutritional Knowledge Of Certified Fitness Professionals, Bridget F. Melton, Joelle Romanchik-Cerpovicz, Greg A. Ryan, Catherine Gallagher
International Journal of Exercise Science
International Journal of Exercise Science 14(4): 239-249, 2021. The American Fitness Industry has seen progressive success with recent increases in facility memberships and annual revenues of fitness centers. The number of fitness trainers and instructors in the United States has persisted this growth and is projected to grow over the next decade. However, only a few known studies have investigated the nutritional education of fitness professionals. This preliminary study explores the education and knowledge among certified fitness professions (CFPs) in the United States. A cross-sectional, descriptive survey design was utilized with a convenience sample of 120 female participants from the …
Structured Exercise In Cancer Survivors: Is It Enough For Neural, Mental Health And Well-Being?, Peter Smoak, Victoria Flores, Nicholas Harman, Jonathon Lisano, Reid Hayward, Laura Stewart
Structured Exercise In Cancer Survivors: Is It Enough For Neural, Mental Health And Well-Being?, Peter Smoak, Victoria Flores, Nicholas Harman, Jonathon Lisano, Reid Hayward, Laura Stewart
International Journal of Exercise Science
International Journal of Exercise Science 14(3): 162-176, 2021. The purpose of this cross-sectional study was to explore physical activity, depression, fatigue, and quality of life (QOL), and their relationship to brain-derived neurotrophic factor (BDNF) and nerve growth factor (NGF) in cancer survivors enrolled in a structured exercise program. Participants were recruited into two groups: in-treatment (IT), currently receiving chemotherapy and/or radiotherapy, and out of treatment (OT), not undergoing therapy. Participants wore accelerometers for 7 days and completed cardiorespiratory fitness, muscular strength, and depression, fatigue, and QOL assessments. Circulating BDNF and NGF concentrations were obtained using enzyme-linked immunosorbent assays. Thirty-two participants …
Effects Of Heart Rate Biofeedback, Sleep, And Alertness On Marksmanship Accuracy During A Live-Fire Stress Shoot, Jared Hornsby, Brittany Johnson, Donald P. Meckley, Anna Blackley, Will Peveler, Jeffrey Lowes, J. Jay Dawes
Effects Of Heart Rate Biofeedback, Sleep, And Alertness On Marksmanship Accuracy During A Live-Fire Stress Shoot, Jared Hornsby, Brittany Johnson, Donald P. Meckley, Anna Blackley, Will Peveler, Jeffrey Lowes, J. Jay Dawes
International Journal of Exercise Science
International Journal of Exercise Science 14(6): 123-133, 2021. On the job, law enforcement may be required to utilize lethal force to maintain personal or public safety. Officers’ attention to detail, decision-making, and marksmanship accuracy (MA) may be impaired by reduced sleep, increased heart rate (HR), and breathing rate (BR). HR biofeedback (emWave, EW) may help mitigate these impairments. This study sought to determine the impact EW had on MA, stress shoot time-to-completion (TTC), HR and BR versus placebo (PLA). Ten active-duty police officers volunteered for this study. Officers completed two live-fire stress shoots on a 25-m gun range (i.e., familiarization, …
Lumbar Multifidus Muscle Thickness During Graded Quadruped And Prone Exercises, Konstantinos Dafkou, Eleftherios Kellis, Athanasios Ellinoudis, Chrysostomos Sahinis
Lumbar Multifidus Muscle Thickness During Graded Quadruped And Prone Exercises, Konstantinos Dafkou, Eleftherios Kellis, Athanasios Ellinoudis, Chrysostomos Sahinis
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 101-112, 2021. Exercises for lumbar multifidus (LM) muscle are important for injury and low back pain prevention and treatment. This study examined the differences in LM contraction thickness between variations of the superman and bird dog exercises. Twenty-one recreational athletes performed the superman exercise from the prone position with the following grading: rest, right upper extremity lift (RU), right lower extremity (RL) and upper and lower extremities lift (UL). They also performed the following bird dog variations from the quadruped position: rest, RU, RL and left upper - right lower extremity lift (LURL). LM …
Effect Of Large Versus Small Range Of Motion In The Various Intensities Of Eccentric Exercise-Induced Muscle Pain And Strength, Chakravarthy M. Sadacharan, Sumin Seo
Effect Of Large Versus Small Range Of Motion In The Various Intensities Of Eccentric Exercise-Induced Muscle Pain And Strength, Chakravarthy M. Sadacharan, Sumin Seo
International Journal of Exercise Science
International Journal of Exercise Science 14(7): 1-18, 2021. The purpose was to investigate eccentric (ECC) exercise with full range of motion (FROM) induce a greater magnitude of delayed onset muscle soreness (DOMS), pain, functional limitations compared to partial range of motion (PROM; outer 60° of ROM). Thirty-four participants (men and women) aged between 18 and 30 years performed ECC exercise protocol on elbow and knee muscles (5 × 10 repetitions each session) using their 15%/25%/35% of maximal voluntary isometric contraction (MVIC) with PROM (week 2-4) and FROM (week 6-8). Two days a week, ECC exercises and remaining days the subjective …