Physiology Commons^™

Studying Adherence To Reporting Standards In Kinesiology: A Post-Publication Peer Review Brief Report, Nikki M. Watson, Jafra D. Thomas

International Journal of Exercise Science

International Journal of Exercise Science 17(7): 25-37, 2024. To demonstrate how post-publication peer reviews—using journal article reporting standards—could improve the design and write-up of kinesiology research, the authors performed a post-publication peer review on one systematic literature review published in 2020. Two raters (1^st & 2^nd authors) critically appraised the case article between April and May 2021. The latest Journal Article Reporting Standards by the American Psychological Association relevant to the review were used: i.e., Table 1 (quantitative research standards) and Table 9 (research synthesis standards). A standard fully met was deemed satisfactory. Per Krippendorff’s alpha-coefficient, inter-rater agreement …

Effects Of Supramaximal Anderson Quarter-Squats As A Potentiating Stimulus On Discus Performance In Division I Throwers: A Pilot Study, Ogochukwu I. Nwachukwu, Mark Debeliso Phd, Marcus M. Lawrence Phd

International Journal of Exercise Science

International Journal of Exercise Science 17(6): 99-114, 2024. No study has assessed supramaximal (over 100% 1RM) back squat variations as a potentiating stimulus in collegiate throwers. The purpose of this study was to test the hypothesis that a supramaximal Anderson (bottom-up) quarter squat potentiating stimulus would improve discus throw performance in Division I throwers compared to a dynamic warm-up alone. Nine NCAA division I thrower athletes (age: 20.1±1.4 years; 1RM back squat/body weight: 2.5±0.4 kg) randomly completed two sessions separated by at least 72 hours. One session involved a standardized dynamic warm-up alone (DyWU) followed by three trials of maximal …

The Relationship Between Athlete Perceptions Of Coaching Leadership Behaviors And Athlete Grit, Landon Braun, Lindsay Ross-Stewart, Barbara B. Meyer

International Journal of Exercise Science

International Journal of Exercise Science 17(5): 12-23, 2023. Coach leadership style has long been positively correlated with athlete experiences such as motivation, health (i.e., burnout), and performance outcomes (i.e., enhanced execution time to complete tasks) (24). More recently, grit (18) has been positively correlated with athlete experiences such as engagement (39) and decreased burnout (32). Given the impact coaches have on their athletes and the positive psychological benefits of grit, it is reasonable to explore the intersections of coaching behaviors and grit. As such, the purpose of the current study was to examine the relationship between athlete perceptions of coach …

Fat-Free Mass Index In A Large Sample Of Collegiate American Football Athletes, Jennifer B. Fields, Margaret T. Jones, Adam Feit, Meghan K. Magee, Nicholas M. Kuhlman, Andrew R. Jagim

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 129-139, 2024. High levels of fat-free mass (FFM) are favorable for athletes and are related to sport performance. However, fat-free mass index (FFMI), which includes adjustments for height, may offer a better way to characterize FFM beyond raw values. As FFMI is understudied relative to sport, the purpose of the current study was to assess position and age group differences in FFMI among collegiate American football players. National Collegiate Athletic Association DIII (n=111) football players underwent body composition assessment via bioelectrical impedance analysis. FFMI was calculated by dividing FFM by height squared. One-way analyses …

Stance Time And Impact Loading Rates Are Significant Predictors Of Critical Speed During A 3-Minute All-Out Running Test, Trevor Short, Cris Stickley, Bret Freemyer, Andrew Takata, Paulette Yamada

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 115-128, 2024. The addition of wearable technology during a 3-minute all-out overground running test (3MAOT) could provide additional insights to guide training and coaching strategies. The purpose of this study was to explore the relationships between critical speed (CS) and biomechanical parameters (cadence, stride length, vertical oscillation, stance time, form power, leg spring stiffness, and impact loading rate), and changes in biomechanical parameters throughout the 3MAOT. Sixty-three (male, n=37, female, n=26) recreationally active college-aged (23.4±3.9 years) subjects completed a 3MAOT while wearing a Stryd foot-pod. The correlations between CS and biomechanical parameters were evaluated …

Lower-Body Strength Relationships With Sprint, Jump, And Sport-Specific Skill Performance In High School Girls Softball Players, Robert G. Lockie, Jacob D. Patron, J. Jay Dawes, Erika Viramontes

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 86-98, 2024. Softball athletes require multiple fitness traits (e.g., strength, speed, power) and sport-specific skills (e.g., hitting, throwing) for success. Lower-body strength could underpin these qualities; this has received little analysis among high school female athletes. This research investigated correlations between absolute and relative lower-body strength with age, linear speed, lower-body power, and throwing and hitting velocity in high school girls softball athletes. Archival data collected from 34 high school girls softball players (age=14.91±1.00 years; height=1.66±0.07 m; body mass=63.21±9.59 kg) from a private strength and conditioning facility was analyzed. The data included: age, height, …

Physical Fitness Responses After Sixteen Weeks Of Three Fitness Program Trainings In Untrained Subjects, Habil Hamdouni, Brian Kliszczewicz, Hassane Zouhal, Abderraouf Ben Abderrahman

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 54 - 72, 2024. The remarkable popularity of fitness trends like high intensity functional training (HIFT), choreographed high intensity classes (CHIC) and resistance (RT) trainings raises the question on their effect on cardio-respiratory, lactate removal rate, endurance and body composition responses. The purpose of this study was to assess and compare these effects. Ninety-five participants were randomly assigned into 16 weeks of these trainings, five sessions/week. Anthropometric and fitness tests were carried out before training (PRE), after eight (8W) and sixteen weeks (16W). Body composition measures demonstrated significant decrease in body fat percentage ( …

More Than Body Composition: A Darwinian Theory Of Somatotype, Applied To A Dii Track And Field Outdoor Season, Whitley J. Stone, Matthew J. Garver, Amanda Wakeman, Danilo Tolusso, Hannah Nelson, Josie Hair, Eric Nehlsen

International Journal of Exercise Science

International Journal of Exercise Science 17(4): 1-12, 2024. This study presents somatotype data on a team sport with chronic and diverse sporting demands. The aims were to (1) characterize a somatotype profile for Division II (DII) track and field athletes (n=54) by sex, class, and events; (2) determine if somatotype changed across the season; (3) determine if changes differed based on class or sex; and, (4) assess potential differences in somatotype between sexes. Methods: Anthropometrics (height, weight, body composition, somatotype) were evaluated after a competitive indoor season and immediately before the outdoor conference championships (41 days). Body measurements were assessed …

Feasibility Of Blood Flow Restriction Exercise In Adults With A Non-Surgically Treated Achilles Tendon Rupture; A Case Series, Andreas Bentzen, Stian Langgård Jørgensen, Sara Birch, Louise Mortensen, Marianne Toft, Michael Godsvig Lindvig, Per Hviid Gundtoft, Inger Mechlenburg

International Journal of Exercise Science

International Journal of Exercise Science 17(3): 140-153, 2024. Blood flow restriction exercise (BFRE) appears to provide a unique opportunity to preserve lower limb muscle and function in patients with an Achilles tendon rupture. The purpose of this study was to investigate the feasibility of BFRE in patients with an Achilles tendon rupture. Additionally, to evaluate muscle volume and patient-reported ankle function, symptoms, complications, and physical activity following 12 weeks of BFRE. Feasibility was measured by adherence to training sessions, drop-out rate, intervention acceptability, ankle pain exacerbation (NRS), and adverse events. At baseline and 12-weeks follow-up, patients completed the Achilles Tendon …

Evaluation Of The Craniovertebral Angle In Standing Versus Sitting Positions In Young Adults With And Without Severe Forward Head Posture, David A. Titcomb, Bridget F. Melton, Helen W. Bland, Theresa Miyashita

International Journal of Exercise Science

International Journal of Exercise Science 17(1): 73-85, 2024. The purpose of this study was to examine the effects of standing versus sitting body position on the craniovertebral angle (CVA) in young adults without pathology; and to investigate whether mean differences between positional CVA measures in subjects with severe forward head posture (FHP) are distinct from age-matched controls with normal head posture. Ninety-eight young adults (68 women, 30 men) without pathology (OVERALL; n = 98) volunteered for the study; those with CVA > 53° were also included in a normal posture group (NORM; n = 14); those with CVA < 45° were also included in a severe FHP group (SEV; n = 15). …

Bench Press Range-Of-Motion And Velocity-Based Repetition Control: Effects On Ballistic Push-Up Performance In Males, Kyle Collins, Adam Bradley, Bryan Christensen, Roman Waldera, Lukus Klawitter, Liam Ogren, Robert Salatto

International Journal of Exercise Science

International Journal of Exercise Science 17(1): 38-53, 2024. The purpose of this study was to investigate whether the ballistic push-up (BPU) is responsive to post-activation performance enhancement (PAPE) after a bench press conditioning exercise using velocity-based repetition control. Additionally, we aimed to evaluate the effects of range of motion (ROM) conditions on subsequent BPU performance. In a randomized crossover design, 18 males performed two conditions (full ROM and self-selected partial ROM) of bench press at 80% of their 1RM until mean concentric velocity dropped 10%. Each participant performed two pre- and six post-test BPUs to assess the PAPE effect. Paired …

Innovative Virtual Wellness Interventions At An Academic Medical Center: A Pilot Feasibility Study, Ritika Baweja, Michael Hayes, Aditya Joshi, Raman Baweja

Journal of Wellness

Introduction: There is generally a concerning likelihood of burnout in healthcare workers. Given the impact of COVID-19 on healthcare workers, our institution identified the need for wellness interventions to foster adaptive functioning and mitigate burnout. The purpose of this pilot project was to assess the feasibility of virtual holistic interventions like meditation, art, laughter therapy and dance and their impact on overall well-being of physicians and advanced practice providers (APPs).

Methods: A series of 12 virtual sessions (art therapy, dance therapy, mindfulness-based practices/meditation and laughter therapy) were offered to providers over a 6-month period. Participants completed an online survey reporting …

The Effects Of Combined Aquatic Exercise On Physical Performance And Metabolic Indices In Overweight Healthy Older Adults, Shiva Ebrahimpour Nosrani, Bakhtyar Tartibian, Rasul Eslami, Carlos Farinha, João Serrano, José Pedro Ferreira, Ana Maria Texeira

International Journal of Exercise Science

International Journal of Exercise Science 16(4): 1499-1513, 2023. Addressing overweight and obesity to promote healthy aging is essential. Exercise is an outstanding approach to manage metabolic and physical dysfunction. Aquatic exercise has been recommended for older individuals due to reduced weight pressure on joints. The aim of this study was to determine the effects of twenty-eight weeks of combined aquatic exercise (aerobic and resistance) in overweight healthy older individuals. Thirty-two subjects of both genders with mean age of 72.06 ± 5.8 years were randomly assigned into two groups: an aquatic exercise group (EG; n = 19) and a control group …

Body Mass Index Superior To Body Adiposity Index In Predicting Adiposity In Female Collegiate Athletes., Annika Grams, Anthony Acevedo, Riley Morton, Payton Price, Kyli Alvarez, Malia Nowlen, Estephania Campa, Zachary Zeigler

International Journal of Exercise Science

International Journal of Exercise Science 16(4): 1487-1498, 2023. Body mass index (BMI) is moderately correlated with %Fat and often used to assess obesity in athletes. Limited research assesses BMI as a surrogate for %Fat in female collegiate athletes. Body Adiposity Index (BAI) is an anthropometric measurement suggested to be superior to BMI at predicting adiposity but has not been well assessed within female athletic populations. This study aimed to determine if BAI is superior to other anthropometric indices to predict %Fat in female collegiate athletes and college-aged female non-athletes. Collegiate female athletes and female non-athletes were invited into the laboratory …

Low Energy Availability, Disordered Eating, Exercise Dependence And Fueling Strategies In Trail Runners, Keely Henniger, Kelly Pritchett, Namrita Kumar Brooke, Leah Dambacher

International Journal of Exercise Science

International Journal of Exercise Science 16(2): 1471-1486, 2023. Under fueling, disordered eating (DE), exercise dependence (EXD), and high training demands relative to energy intake may increase the risk of low energy availability (LEA) in endurance and ultra-endurance athletes. The purpose of this study was to evaluate the prevalence of LEA risk and relationship with risk of DE, EXD, and fueling habits during training and competition in endurance runners. Trail runners between the age of 18-40 (n = 1,899; males: n = 510, females: n = 1,445) completed a 45-question survey using Qualtrics that included training and racing characteristics, questions …

The Effects Of Wearing A Portable Media Armband On Muscle Activation Of The Biceps Brachii, W. Steven Tucker, Melissa J. Allen, Ashley E. Patterson, Alex W. Fotioo

International Journal of Exercise Science

International Journal of Exercise Science 16(1): 1461-1470, 2023. Portable media armbands are commonly used among the physically active population. Their effect on muscle function has not been established. The purpose of this study was to determine if muscle activation of the biceps brachii is influenced by wearing a portable media armband during an elbow flexion exercise. Eighteen participants (11 males: age = 22.5 ± 2.1 years, height = 178.3 ± 5.2 cm, mass = 85.0 ± 6.5 kg; 7 females: age = 22.9 ± 2.5 years, height = 168.3 ± 5.7 cm, mass = 72.3 ± 12.2 kg) with no …

Silla De Ruedas Para La Práctica Del Rugby, Diana Yaquelin Barrero Malagón, Jonathan Steven Vargas Cañón

Documentos de Trabajo CTeI

El rugby en silla de ruedas, como una opción de promoción de la actividad física para personas con discapacidades físicas, se convierte en un área de investigación de gran interés. Esta disciplina se aborda desde una perspectiva de salud, alentando la prevención de comorbilidades en esta población. Simultáneamente, se considera un enfoque deportivo que requiere estrategias para mejorar el desempeño atlético de los participantes.

En este contexto, esta propuesta se basa en un objetivo a corto plazo, que implica caracterizar el estado inicial de salud y realizar un análisis biomecánico del rendimiento deportivo en esta población. Luego, a largo plazo, …

Physical Characteristics, Movement Pattern And Heart Rate Response Of Indian Cricketers During Batting In Twenty20 (T20) Matches, Subhashis Biswas, Rupayan Bhattacharya, Arnab Das

International Journal of Exercise Science

International Journal of Exercise Science 16(6): 1413-1425, 2023. The study aims to provide a morphological profile of Indian cricketers and find physiological demands and positional differences of the batsmen in T20 matches according to their batting order. Eighty-three male cricketers (age: 17.93 ± 2.23 years) participated in this study and categorized into upper-order (n = 36), middle-order (n = 35) and lower-order (n = 12) batsmen. Height, weight, body fat%, and somatotype were measured. Movement analysis and heart rate (HR) responses were recorded during batting in T20 matches using PolarV800 smart-watch and H7 HR sensor. Descriptive statistics, …

Comparison Of Muscle Activity During A Ring Muscle Up And A Bar Muscle Up, Cody W. Walker, Adam J. Bruenger, W. Steven Tucker, Hyung Rock Lee

International Journal of Exercise Science

International Journal of Exercise Science 16(1): 1451-1460, 2023. The muscle up (MU) is a variation of a common gymnastics movement that combines a pull up and a dip. It can be performed on a bar (BMU) or a set of rings (RMU). The difference in upper extremity muscle recruitment (MR) between BMU and RMU has not been evaluated. Therefore, the purpose of this study was to compare the MR of select muscles during BMU and RMU. Ten active males (27.6 ± 7.9 years) performed 5 repetitions of BMU and RMU in randomized order. Muscle recruitment of the upper (UT) and …

The Effect Of Step Rate Training On Running Economy And Biomechanics, Nahir Negron-Fernandez

All NMU Master's Theses

It is known that running economy is a determinant of running performance. Increased step rate has been correlated with improved running economy, but it is unknown whether these improvements can be maintained with chronic training. The purpose of this study was to determine if a step rate training intervention improves running economy and improves lower body kinetic factors in distance runners. Nine participants were randomly assigned to either an intervention group (n = 7) undergoing a 6-week supplemental training program, or a non-training control group (n = 2). The intervention group trained three times a week, running at a higher …