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Articles 91 - 120 of 2752
Full-Text Articles in Exercise Physiology
Change In Free-Living Daily Steps Does Not Affect Vo2max Adaptation In Response To A Supervised Aerobic Walking Program In Females Ages 18-45, Catherine L. Jarrett, Brandon J. Sawyer, Wesley Tucker, Dharini M. Bhammar, Justin R. Ryder, Siddhartha Angadi, Glenn A. Gaesser
Change In Free-Living Daily Steps Does Not Affect Vo2max Adaptation In Response To A Supervised Aerobic Walking Program In Females Ages 18-45, Catherine L. Jarrett, Brandon J. Sawyer, Wesley Tucker, Dharini M. Bhammar, Justin R. Ryder, Siddhartha Angadi, Glenn A. Gaesser
International Journal of Exercise Science
International Journal of Exercise Science 18(5): 852-863, 2025. We hypothesized that an increase in nonexercise physical activity (NEPA), assessed by daily steps outside of steps accrued during supervised exercise training sessions, would be positively correlated with the change in VO2max. Females ages 18-45 yr (n = 44; 30 ± 7 yr; 67.7 ± 18.3 kg; 24.9 ± 6.4 kg/m2) completed 36 supervised training sessions on a motorized treadmill (3 sessions/week, 30 min/session) over 12 weeks, at 70% VO2max (80% max heart rate). VO2max was assessed at baseline, 4, 8, and 12 weeks, and …
Comprehensive Fitness Assessment In A Professional Military Education Cohort: A Cross-Sectional Study, Daniel J. Lawson, Russell K. Lowell, C. Brooks Mobley, Katherine Frick, Nicholas C. Bordonie, Kaitlyn G. Clouse, Cameron D. Ott, Harrison C. Dimick, Nicholas R. Mauldin, Joellen M. Sefton
Comprehensive Fitness Assessment In A Professional Military Education Cohort: A Cross-Sectional Study, Daniel J. Lawson, Russell K. Lowell, C. Brooks Mobley, Katherine Frick, Nicholas C. Bordonie, Kaitlyn G. Clouse, Cameron D. Ott, Harrison C. Dimick, Nicholas R. Mauldin, Joellen M. Sefton
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 811-835, 2025. Military personnel face rigorous physical and cognitive demands critical for operational readiness and long-term health. This study evaluated body composition, cognitive performance, and physical fitness metrics in non-entry-level service members to inform tailored fitness interventions. This cross-sectional study analyzed data from Air Command Staff College personnel (N = 307; 89 females, 218 males; age: 37 ± 5 years) at Air University, Maxwell Air Force Base. Participants completed assessments for body composition (body mass index [BMI], body fat percentage [%BF], fat mass index [FMI], fat-free mass index [FFMI]), flexibility (sit-and-reach test, functional reach …
Validity And Reliability Of The 'Feelfit®' Accelerometer In Evaluating Physical Activity And Sedentary Time In Children: A Comparative Study With Two Different Accelerometers, Songdhasn Chinapong, Korntawat Klinchan, Hanif Abdul Rahman, Michael Chia, Waris Wongpipit, Jetsada Arnin, Areekul Amornsriwatanakul
Validity And Reliability Of The 'Feelfit®' Accelerometer In Evaluating Physical Activity And Sedentary Time In Children: A Comparative Study With Two Different Accelerometers, Songdhasn Chinapong, Korntawat Klinchan, Hanif Abdul Rahman, Michael Chia, Waris Wongpipit, Jetsada Arnin, Areekul Amornsriwatanakul
International Journal of Exercise Science
International Journal of Exercise Science 18(2): 794-810, 2025. Accurate physical activity (PA) measurement is crucial for public health surveillance. While self-report questionnaires are commonly used, they have limitations, especially in young children. An affordable and user-friendly device like Feelfit® offers a promising alternative particularly for countries with limited research resources. This study aimed to evaluate Feelfit®’s performance against the widely used ActiGraph® accelerometer in measuring PA among children. A quasi-experimental design was applied. Thirty-nine children (19 boys; 20 girls; aged 11.4 ± 0.5 years) wore both Feelfit® and ActiGraph® during sequentially specified activities of varying intensity ranging from sedentary to …
Differences In Fitness Between Cadet And General Population Firefighter Academy Recruits, Scott D. Brau, David Cornell, Benjamin J. Mendelson, Rudi A. Marciniak, Kyle Ebersole
Differences In Fitness Between Cadet And General Population Firefighter Academy Recruits, Scott D. Brau, David Cornell, Benjamin J. Mendelson, Rudi A. Marciniak, Kyle Ebersole
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 774-793, 2025. This longitudinal study explored entry route- and age-related fitness differences between cadet (CR) and general population (GR) firefighter recruits. Fitness data were collected from eight separate firefighter recruit academy cohorts (N = 317; 122 CR, 195 GR; 27.17 ± 7.58 yrs, 177.30 ± 8.72 cm, 88.65 ± 17.78 kg). In the first week of the academy, recruits completed an assessment battery including: body composition via skinfold measures to estimate body fat (BF, %) and fat-free mass (FFM, kg); aerobic fitness (VO2peak, mL· kg-1· min-1) and …
Associations Of Laboratory- And Field- Derived Measurements Of Critical Power With W’-Kinetics During 40-Km Cycling Time Trial Performances, Dewey Luke Wilkins, Robert W. Pettitt, Julie Taylor, Mark Kramer
Associations Of Laboratory- And Field- Derived Measurements Of Critical Power With W’-Kinetics During 40-Km Cycling Time Trial Performances, Dewey Luke Wilkins, Robert W. Pettitt, Julie Taylor, Mark Kramer
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 757-773, 2025. This study aimed to establish whether a laboratory (lab) based 3-minute all-out (3MT) protocol and a field-based 3MT protocol would yield similar peak power (Pmax), critical power (CP), and curvature constant (W’) profiles and the implications of parameter estimation for informing a 40-km time trial (TT) performance. Nine competitive male cyclists (mean ± SD: age 36.5 ± 10.42 y, mass = 80.5 ± 10.6 kg, height 1.8 ± 0.1 m) completed two 3MTs on separate days, as well as a 40-km time trial. Both lab and field-based protocols evoked similar …
Screen Time And Objectively Measured Sleep Of U.S. College Students: A Brief Report, Donya Sedaghat, Eunkyung Lee, Jeanette Garcia, Keith Brazendale
Screen Time And Objectively Measured Sleep Of U.S. College Students: A Brief Report, Donya Sedaghat, Eunkyung Lee, Jeanette Garcia, Keith Brazendale
International Journal of Exercise Science
International Journal of Exercise Science 18(4): 747-756, 2025. The objective was to investigate screen time (ST) and objectively measured sleep quality in college students. Participants were undergraduate students attending a large metropolitan public university in the southeastern U.S. Participants wore accelerometers on their wrist for 24hr/day for 14 days to capture sleep outcomes, and completed a survey reporting ST duration. Analyses explored weight-status, race/ethnicity, and sleep patterns (presence of daytime sleep) differences among students. Participants (n=29, 86% female, ~21.5 years old, 38% White, 35% Overweight/Obese) slept for an average of 433.8 minutes/night, reported 419.1 minutes of daily ST, and 112 …
Blood Flow Restriction Use By U.S. Physical Therapists: A Survey On Settings, Equipment, And Adverse Effects, Alyssa Weatherholt, William R. Vanwye, Netra Patel, Alexandria Humphrey
Blood Flow Restriction Use By U.S. Physical Therapists: A Survey On Settings, Equipment, And Adverse Effects, Alyssa Weatherholt, William R. Vanwye, Netra Patel, Alexandria Humphrey
International Journal of Exercise Science
International Journal of Exercise Science 18(5): 736-746, 2025. Blood flow restriction (BFR) combined with exercise has been shown to enhance muscle hypertrophy, strength, and aerobic capacity. While previous studies have evaluated the use of BFR among various practitioners, none have investigated its use exclusively among licensed U.S. physical therapists (PTs). A cross-sectional survey was distributed electronically to licensed U.S. PTs. Participants were required to use BFR currently in clinical practice. Survey items included respondents' demographics, practice setting, exercise mode, the type of BFR equipment used, and adverse events. A total of 134 licensed PTs from 20 states completed the survey. …
Exploring Changes In Body Composition Before And After A National Collegiate Athletic Association Division I Football Season Of Marching Artists, Noelle J. Smith, Brett Nickerson, Ronald L. Snarr, Matt P. Brancaleone
Exploring Changes In Body Composition Before And After A National Collegiate Athletic Association Division I Football Season Of Marching Artists, Noelle J. Smith, Brett Nickerson, Ronald L. Snarr, Matt P. Brancaleone
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 727-735, 2025. The purpose of this study was to observe the changes in body composition of collegiate marching band artists after a competitive season NCAA Division I football season. Thirty-seven marching artists (7 females, 31 males; age: 21.5 (1.4) years; height: 177.2 (9.5) cm had body fat percentage (BF%), fat mass (FM), android adiposity, gynoid adiposity, bone mineral content (BMC), and lean soft tissue (LST) measured before and after a competitive season of Division I football. Body composition measures were conducted using single-frequency bioelectrical impedance analysis device (Quantum IV, RJL systems, Clinton MI). Pre- …
Demographic Characteristics And Selected Personality Traits Of Women In Competitive Bodybuilding, Chloe A. Zeeuw
Demographic Characteristics And Selected Personality Traits Of Women In Competitive Bodybuilding, Chloe A. Zeeuw
Master's Theses
This study investigated demographic characteristics and measures of personality (dimensions of performance perfectionism and five-factor model characteristics) in women in competitive bodybuilding between 18-25 years old. A total of 24 women completed an online survey which included a demographic questionnaire, the Five Factor Model Rating Form (FFMRF), and the Performance Perfectionism Scale for Sport (PPSS) inventories. Descriptive results for the FFMRF were Openness (18.17±3.12), Conscientiousness (25.58±3.33), Extraversion (19.96±3.46), Agreeableness (19.88±4.58), and Neuroticism (15.67±4.94), and for the PPS-S were Self-oriented performance perfectionism (20.96±3.53), Socially prescribed performance perfectionism (13.96±4.26), and Other-oriented performance perfectionism (10.54±4.23). Pearson’s correlation coefficients and Shapiro-Wilk tests revealed that …
The Effects Of Different Volume-Load On Sprint And Change Of Direction Performance, Damar K. Bobb
The Effects Of Different Volume-Load On Sprint And Change Of Direction Performance, Damar K. Bobb
Electronic Theses and Dissertations
This study was designed to compare the effects of two different strength training protocols on sprint and change of direction (COD) performance in recreationally trained athletes. Participants were evaluated on maximal dynamic (1RM squat) and isometric (IMTP) strength, speed (30m sprint), and COD (5-0-5 test). The participants were divided into two groups (Low volume-heavy load group [LV], High volume-moderate load high-intensity endurance (HIE) group [HV]) after initial testing, for a 4-week training intervention using traditional and weightlifting derivative lifts. The training consisted of 5 sessions per week (3 sessions resistance training [RT], each about 40-50 mins; 2 sessions sprint & …
Comparison Of Kinematic Outputs And Reliability Of Plug-In Gait Versus Conventional Gait Model 2 During Cycling, Erin Mccallister, Nicholas Russell
Comparison Of Kinematic Outputs And Reliability Of Plug-In Gait Versus Conventional Gait Model 2 During Cycling, Erin Mccallister, Nicholas Russell
International Journal of Exercise Science
International Journal of Exercise Science 18(7): 712-726, 2025. Motion analysis is used to measure proper bicycle fit, avoid injury, and improve cycling performance. Small changes in position can impact joint kinematics and risk for overuse injury. Concerns regarding the often-used biomechanical model Plug-in-Gait (PIG) resulted in the creation of Conventional Gait Model 2 (CGM2). This study aims to compare kinematic outputs of these two models for cycling biomechanics plus between-day reliability of each model. Thirty-five participants participated in two experimental sessions. PiG and CGM2 marker sets were applied, and data was collected while cycling between 80-90 rpm. Model outputs were …
Effects Of Aerobic Exercise On Physical Fitness In Obesity Using Fox Vs. Tanaka’S Maximum Heart Rate And Percentage Vs. Karvonen Methods, Maninthorn Rugbumrung, Tavarintorn Rukbumrung, Sittiwit Impanya, Adison Thurayot
Effects Of Aerobic Exercise On Physical Fitness In Obesity Using Fox Vs. Tanaka’S Maximum Heart Rate And Percentage Vs. Karvonen Methods, Maninthorn Rugbumrung, Tavarintorn Rukbumrung, Sittiwit Impanya, Adison Thurayot
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 695-711, 2025. The intensity of aerobic exercise is influenced by maximum heart rate (MHR), which can be assessed through an incremental exercise test. However, this method requires specialized equipment and a level of fitness that individuals who are sedentary or overweight may lack. Therefore, estimating MHR using formulas is essential. Various methods exist to calculate MHR, but their effects on fitness in obese individuals remain unclear. This study aimed to investigate the effects of aerobic exercise using different intensity calculation methods, specifically comparing Fox's and Tanaka's maximum heart rate (MHR) equations, as well as …
Evaluation Of Physical, Mental, And Mechanical Aspects Of An Extreme Military Training Event: A Continuous Monitoring Approach, Tirthankar Chatterjee, Debojyoti Bhattacharyya, Roshani Meena
Evaluation Of Physical, Mental, And Mechanical Aspects Of An Extreme Military Training Event: A Continuous Monitoring Approach, Tirthankar Chatterjee, Debojyoti Bhattacharyya, Roshani Meena
Journal of Human Performance in Extreme Environments
Soldiers receive extensive training at extremes of environments and simulated terrains to improve their battle efficiency. A study was designed to evaluate the actual cost of a military physical efficiency test consisting of several physically engaging activities to quantify physiological, mechanical, and subjective demands. Sixteen Indian soldiers participated in a military training session consisting of events such as a 5-km run, 4-m vertical rope climbing, a 2.75-m jump, a 60-m dash, and a 9-m horizontal rope climbing with 6.5 kg of equipment in a hot dry environment. Their physiological status was monitored continuously. National Aeronautics and Space Administration Task Load …
Accuracy Of Anthropometric Equations In Estimating Body Fat Percentage In Transgender Men Undergoing Gender-Affirming Hormone Therapy, Barbara Buosi, Yana Barros Hara, Rodolfo André Dellagrana, Rafael Martins Da Costa, Mateus Rossato
Accuracy Of Anthropometric Equations In Estimating Body Fat Percentage In Transgender Men Undergoing Gender-Affirming Hormone Therapy, Barbara Buosi, Yana Barros Hara, Rodolfo André Dellagrana, Rafael Martins Da Costa, Mateus Rossato
International Journal of Exercise Science
International Journal of Exercise Science 18(1): 686-694, 2025. Transgender people may opt for the use of sex steroids and, in some cases, hormone blockers, which can lead to changes in body fat distribution. The aim of this study was to verify the accuracy of anthropometric equations to estimate the body density (BD) of transgender men who are undergoing Gender-Affirming Hormone Therapy (GAHT). Four transgender men (25-32 years old), who had performed GAHT for at least six months and used the hormone testosterone cypionate participated in the study. The reference criteria for BD was air displacement plethysmography (ADP). In addition, BD …
Inter-Effort Recovery Intermittent Hypoxia And Force Parameters In Sprint Interval Exercise, Tarine Botta De Arruda, Felipe Alves Ribeiro Ms, Germano Marcolino Putti, Marcelo Papoti
Inter-Effort Recovery Intermittent Hypoxia And Force Parameters In Sprint Interval Exercise, Tarine Botta De Arruda, Felipe Alves Ribeiro Ms, Germano Marcolino Putti, Marcelo Papoti
International Journal of Exercise Science
International Journal of Exercise Science 18(3): 672-685, 2025. Performing training sessions in hypoxia leads to a decrease in effort quality. The inter-effort recovery intermittent hypoxia model seems to ensure training session performance. The aim of this study is to investigate the effects of sprint interval exercise under normoxic (NOR), continuous hypoxic (HYP), and inter-effort hypoxic (IEH) conditions on force parameters. Seven swimmers (age: 26.04 ± 4.64 years) volunteered and performed one session of the 10 × 30-s all-out tethered swimming efforts with 4-min passive recovery intervals for each condition. Considering the simulated altitude at FiO2 = 0.13 …
Firefighters Versus Law Enforcement Officers: A Comparison Of Cardiovascular Disease Risk, Bethany C. Guerra, Steven E. Martin, Lisa C. Colvin, J. Jay Dawes, Matthew J. Mcallister, Drew E. Gonzalez
Firefighters Versus Law Enforcement Officers: A Comparison Of Cardiovascular Disease Risk, Bethany C. Guerra, Steven E. Martin, Lisa C. Colvin, J. Jay Dawes, Matthew J. Mcallister, Drew E. Gonzalez
International Journal of Exercise Science
International Journal of Exercise Science 18(6): 659-671, 2025. Firefighters (FFs) and law enforcement officers (LEOs) have heightened cardiovascular disease (CVD), with data suggesting that ≈45% of on-duty FF fatalities are related to CVD, while LEOs have a 1.7 times higher CVD prevalence than the general public. This study compared CVD risk biomarkers, fitness, and body composition between FFs and LEOs. Ninety-eight career, structural male FFs (age = 35.1±9.6 yrs; weight = 94.3±15.4 kg; height = 178.4±13.2 cm) and seventy-three career LEOs (age = 41.4±9.0 yrs; weight = 92.3±16.8 kg; height = 179.6±8.1 cm) from local departments were studied. Participants completed …
Sedentary Behavior Patterns After Acl Reconstruction, David M. Werner, Liubov Arbeeva, Yvonne M. Golightly, Balarinivasa R. Sajja, Michael D. Rosenthal, Matthew Tao, Elizabeth Wellsandt
Sedentary Behavior Patterns After Acl Reconstruction, David M. Werner, Liubov Arbeeva, Yvonne M. Golightly, Balarinivasa R. Sajja, Michael D. Rosenthal, Matthew Tao, Elizabeth Wellsandt
International Journal of Exercise Science
International Journal of Exercise Science 18(4): 636-658, 2025. Individuals after anterior cruciate ligament reconstruction (ACLR) are less physically active than their uninjured peers, but little is known about their sedentary behavior (SB). This study aimed to identify patterns of SB in individuals six and 18 months after ACLR. Eighteen individuals after ACLR wore accelerometers for one week during six- and 18-month post-operative assessments (83.3% female, 19.7±5.6 years old, BMI 23.9±kg/m2). The percentage of awake time spent in SB was estimated. A multilevel (two time points – six and 18 months), multidimensional (13 hours) functional principal component analysis generated …
Reliability Of A Linear Position Transducer During The Bench Press Across Three Segments, Jennifer Rivera, Edward Pelka, Ryan Gant, Anthony G. Pinzone, Emily C. Tagesen, Modesto A. Lebron, Adam R. Jajtner
Reliability Of A Linear Position Transducer During The Bench Press Across Three Segments, Jennifer Rivera, Edward Pelka, Ryan Gant, Anthony G. Pinzone, Emily C. Tagesen, Modesto A. Lebron, Adam R. Jajtner
International Journal of Exercise Science
International Journal of Exercise Science 18(2): 622-635, 2025. The purpose of this investigation was to determine inter-set and inter-session reliability of the HUMAC360 measures for duration (DUR), peak velocity (PV) and mean velocity (MV) across three segments of the bench press. Seventeen recreationally active adults participated in this investigation. During visit one, participants completed a bench press one-repetition maximum (1RM). Visits two and three consisted of two sets of three repetitions at 30%-, 50%-, 60%-, and 70 %-1RM. Segments were defined by dividing total displacement into equal thirds at the bottom (BOT), middle (MID) and top (TOP). Intraclass correlation coefficients …
Kinematic Analysis Of Olympic And Traditional Rowing Mechanics At Different Stroke Rates, Alfonso Penichet-Tomas, Sergio Calavia-Carvajal, Basilio Pueo, Lamberto Villalon-Gasch
Kinematic Analysis Of Olympic And Traditional Rowing Mechanics At Different Stroke Rates, Alfonso Penichet-Tomas, Sergio Calavia-Carvajal, Basilio Pueo, Lamberto Villalon-Gasch
International Journal of Exercise Science
International Journal of Exercise Science 18(7): 610-621, 2025. Rowing requires strength, endurance, and technique, where stroke efficiency depends on body mechanics, movement sequencing, and stroke rate, which impact speed transfer. This cross-sectional study investigates the role of kinematic differences in stroke mechanics as a key component of performance analysis in Olympic and Traditional rowing. Thirteen elite national-level female rowers (age: 26.9 ± 5.1 years; body mass: 60.6 ± 6.9 kg; height: 166.7 ± 6.7 cm) performed three stroke-rate conditions on two ergometer setups: an Olympic rowing ergometer and a modified ergometer with a static seat replicating Traditional rowing. The stroke …
The Effect Of Breakfast On A Resistance Training Session And Response In Female Collegiate Athletes, Haley Roberts, Yvette Figueroa, Jennifer Bunn, Patrick Davis
The Effect Of Breakfast On A Resistance Training Session And Response In Female Collegiate Athletes, Haley Roberts, Yvette Figueroa, Jennifer Bunn, Patrick Davis
International Journal of Exercise Science
International Journal of Exercise Science 18(6): 591-609, 2025. Breakfast consumption has been shown to be an essential component to a healthy lifestyle in various populations, yet research in this area is limited among female athletes. This study aimed to examine the effect of breakfast consumption on collegiate female athletes during a resistance training session and their nutritional habits throughout the remainder of the day. Twenty-three female collegiate Division I athletes (basketball, volleyball, bowling, and soccer) during the offseason participated in this cross-over study. The study included three visits: baseline measures for heart rate (HR), blood glucose (BG), salivary cortisol (SC), …
Evolution Of Match Technical-Tactical Performance Indicators According To Age Category In Men's National Football Teams (World Cups 2003-2019), Sergio A. Caicedo-Parada, Enrique Ortega, Jose M. Palao
Evolution Of Match Technical-Tactical Performance Indicators According To Age Category In Men's National Football Teams (World Cups 2003-2019), Sergio A. Caicedo-Parada, Enrique Ortega, Jose M. Palao
International Journal of Exercise Science
International Journal of Exercise Science 18(3): 575-590, 2025. Performance in football depends on different dynamic interactions between players that occur at technical, tactical, physical, psychological, or sociological levels. The objective of this study was to analyze the evolution of match technical-tactical performance indicators according to age category in men's national football teams (U-17, U-20 and senior). A non-experimental retrospective observational design was used. Variables studied were ball possession, goal chances, shots off target, shots on target, corner kicks, effectiveness; goals, offsides, fouls committed, yellow cards, red cards, and second yellow cards. Data were drawn from 917 matches (195 senior, 369 …
The Effect Of Functional Training On Dynamic Knee Valgus Of Youth Soccer Players. A Pilot Study, Ole Tovar, Dóra Molnár, Badis Soussi, Ádám Uhlár, Tamás Horváth, Mira Ambrus
The Effect Of Functional Training On Dynamic Knee Valgus Of Youth Soccer Players. A Pilot Study, Ole Tovar, Dóra Molnár, Badis Soussi, Ádám Uhlár, Tamás Horváth, Mira Ambrus
International Journal of Exercise Science
International Journal of Exercise Science 18(7): 561-574, 2025. Knee injuries are very common in soccer players. High loads on the knee during landing or changes of direction can lead to a valgus shift of the knee, known as Dynamic Knee Valgus (DKV). Many studies have shown that a large shift in DKV is a predisposing factor for knee injuries and disease, such as anterior cruciate ligament injury (ACL), patellofemoral pain syndrome or osteoarthritis. Functional training could be a great tool to reduce DKV. Thus, in this pilot study, nine male youth soccer players (mean age: 16.4 ± 0.2 years) took …
A Descriptive Analysis Of The Current State Of Peace Officer Standards And Training Physical Fitness Requirements Across The Usa, Robert G. Lockie, Joseph Dulla
A Descriptive Analysis Of The Current State Of Peace Officer Standards And Training Physical Fitness Requirements Across The Usa, Robert G. Lockie, Joseph Dulla
International Journal of Exercise Science
International Journal of Exercise Science 18(8): 543-560, 2025. Many law enforcement organizations are experiencing recruitment and retention challenges, of which physical fitness can be a factor. The study purpose was to collate information from Peace Officer Standards and Training (POST) Commission staff in each USA state to document current fitness mandates and policies for recruits/officers. A 10-question survey was allocated to an appropriate representative from every state POST organization. The survey collected information regarding minimum state-mandated fitness standards for academy entry and exit; minimum state-mandated requirements for fitness programming, including safety plans; education/training requirements for fitness training instructors; and minimum …
Physiological And Biomechanical Responses To Indoor Cycling With And Without The Ability To Sway, Alina P. Swafford, James W. Navalta, Julia Freedman Silvernail, Nancy Lough, John A. Mercer
Physiological And Biomechanical Responses To Indoor Cycling With And Without The Ability To Sway, Alina P. Swafford, James W. Navalta, Julia Freedman Silvernail, Nancy Lough, John A. Mercer
International Journal of Exercise Science
International Journal of Exercise Science 18(7): 531-542, 2025. The purpose of this study was to understand whether or not physiological and biomechanical measures were influenced by cycling sway and intensity. Participants (n=13; 24.9±6.5 years; 1.7±0.1 m; 64.7±11.2 kg) completed two submaximal-effort cycling conditions using a stationary smart bike placed on a rocker board: 1) cycling with the rocker board set to allow sway (unblocked); 2) cycling with blocks placed in the rocker board to prevent sway (blocked). The order conditions were counterbalanced, and each condition was 12-mins. For each condition, four intensity levels were completed. Prior to testing, target power …
Effectiveness Of Exercise-Based Rehabilitation In Chronic Fatigue Syndrome: A Systematic Review And Meta-Analysis, Antonio De Vera Martín, Alberto Díaz Salazar, Isidro Miguel Martín Pérez, Sebastián Eustaquio Martín Pérez
Effectiveness Of Exercise-Based Rehabilitation In Chronic Fatigue Syndrome: A Systematic Review And Meta-Analysis, Antonio De Vera Martín, Alberto Díaz Salazar, Isidro Miguel Martín Pérez, Sebastián Eustaquio Martín Pérez
International Journal of Exercise Science
International Journal of Exercise Science 18(5): 495-530, 2025. Chronic Fatigue Syndrome is a complex and debilitating disorder characterized by persistent fatigue, musculoskeletal pain, sleep disturbances, and cognitive impairments. The global prevalence is estimated between 0.2% and 0.4%, affecting over 17 million individuals worldwide, with an estimated burden exceeding 40,000 cases in Spain. Despite the exploration of exercise-based rehabilitation as a therapeutic strategy, its clinical efficacy remains a subject of ongoing debate. This study aims to evaluate the effectiveness of exercise-based rehabilitation relative to conventional treatments in improving functional capacity and alleviating fatigue among adults with CFS A systematic review and …
Enhancing Inclusivity In Sports: A Focus On Adaptive Synergy For Disabled Athletes, Lawrence W. Judge, Matt Moore, Aidan Biddle, Adam Smith, Donald L. Hoover
Enhancing Inclusivity In Sports: A Focus On Adaptive Synergy For Disabled Athletes, Lawrence W. Judge, Matt Moore, Aidan Biddle, Adam Smith, Donald L. Hoover
International Journal of Exercise Science
International Journal of Exercise Science 18(1): 470-494, 2025. Sport science serves many crucial functions in facilitating improvements in human performance, including advancing inclusivity. This may be realized through the conceptual framework of Adaptive Synergy, which integrates Adapted Physical Activity for athletes with physical disabilities while simultaneously optimizing athletic performance for all individuals. This paper introduces the Adaptive Synergy conceptual framework to sport science, applying this cross-disciplinary concept to biomechanics, exercise physiology, sport psychology, and neuroscience to more specific application of adaptive techniques and methods, which are essential to improving both accessibility and innovation in sports. Key areas of focus include …
The Influence Of Intrinsic Foot Muscles In Modulating Foot Shape Relative To Substrate And The Efficacy Of Different Strengthening Approaches, Luke R. Lotsis
The Influence Of Intrinsic Foot Muscles In Modulating Foot Shape Relative To Substrate And The Efficacy Of Different Strengthening Approaches, Luke R. Lotsis
Masters Theses, 2020-current
Cross-sloped surfaces create an asymmetrical substrate for foot contact, introducing a slip force within the transverse plane and a gravitational pull within the coronal plane that increases the tendency to topple downslope. To maintain stability, the foot must make structural adjustments across the hindfoot, midfoot, forefoot, and hallux. In chapter 1, I investigated how IFMs respond to varying substrate conditions and balance demands, providing insight into their functional role in maintaining stability and adapting foot structure in static and dynamic locomotor tasks. Twenty-four healthy adults participated in a series of dynamic walking trials on flat, cross-sloped and sandy substrates and …
Does Limb Specialization In Track And Field Introduce Asymmetry In Dynamic Stability?, Aaron X. Jones
Does Limb Specialization In Track And Field Introduce Asymmetry In Dynamic Stability?, Aaron X. Jones
Master's Theses
Time to stabilization (TTS) represents the time it takes for a person to become still after a hop landing. Lower times suggest greater dynamic stability. Whereas leg dominance (preference) does not seem to have a significant impact on TTS performance in the general healthy populations, limb specialization in sport may introduce asymmetry. This study compares TTS following forward hops in healthy male controls (N = 19) to varsity DIII Track & Field athletes (N = 20). Groups were equal for height, but the athlete group’s average limb length (106.7 ± 5.5 cm) was greater than the control group (101.5 ± …
Evaluation Of Valid Vo2max Criteria For Graded Exercise Testing In Cancer Survivors, Daniel Y.K. Shackelford, Jessica M. Brown, Rhianna N. Patel
Evaluation Of Valid Vo2max Criteria For Graded Exercise Testing In Cancer Survivors, Daniel Y.K. Shackelford, Jessica M. Brown, Rhianna N. Patel
International Journal of Exercise Science
International Journal of Exercise Science 18(5): 443-455, 2025. Cardiovascular fitness (VO2max) predicts all-cause mortality and is vital to assess in cancer survivors (CS) for individualized exercise prescriptions. Metabolic carts confirm VO2max with respiratory exchange ratio (RER) >1.10; other VO2max criteria include ≤10 beats/minute of maximal predicted heart rate and/or a rating of perceived exertion (RPE) of >8 on the Modified Borg Scale. Another suggested criterion is respiratory frequency (Rf) > 40 breaths per minute. These criteria are assumed applicable for all populations, but due to cancer-related toxicities, frequency and validity of traditional VO2max criteria usage in …
Relationships Between Performance In The Frequency Speed Kick Test, Heart Rate Variability, And Body Composition In Amateur Muay Thai Fighters, Antonio Beira De Andrade Junior, Elena Marie Peixoto Ruthes De Andrade, Patrícia Dos Santos Vigário, Cesar Antonio Luchesa, João Eduardo De Azevedo Vieira, Igor Ramathur Telles De Jesus, Agnaldo Jose Lopes
Relationships Between Performance In The Frequency Speed Kick Test, Heart Rate Variability, And Body Composition In Amateur Muay Thai Fighters, Antonio Beira De Andrade Junior, Elena Marie Peixoto Ruthes De Andrade, Patrícia Dos Santos Vigário, Cesar Antonio Luchesa, João Eduardo De Azevedo Vieira, Igor Ramathur Telles De Jesus, Agnaldo Jose Lopes
International Journal of Exercise Science
International Journal of Exercise Science 18(6): 428-442, 2025. In martial arts, heart rate variability (HRV) measurements can potentially be used to assess injury risk and susceptibility to fatigue. Muay Thai uses the Frequency Speed of Kick Test (FSKT) to measure kick speed, but it is unknown whether better fitness results in improved autonomic function and body composition, which may affect athletic performance and recovery. We aimed to evaluate the correlations between FSKT, HRV, and body composition measures in amateur Muay Thai fighters. This is a cross-sectional study with 37 Muay Thai fighters. They underwent FSKT-10s and multiple FSKT to measure …