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Articles 751 - 780 of 2299
Full-Text Articles in Physiology
The Relationship Between Maternal And Obese Children’S Daily Physical Activity., Shelby J. Foote, Alexandra Venezia, Darby J. Winkler, Keith R. Losche, Danielle D. Wadsorth
The Relationship Between Maternal And Obese Children’S Daily Physical Activity., Shelby J. Foote, Alexandra Venezia, Darby J. Winkler, Keith R. Losche, Danielle D. Wadsorth
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 1302-1314, 2019. This study examined the effects of maternal influence on child’s daily physical activity. Participants consisted of eight families; parents (n = 9) and obese children (n = 10). Families were asked to attend exercise sessions at a university laboratory for 10 weeks. Daily physical activity was measured with a MovBand 3 which is a wrist worn accelerometer that records physical activity as moves. Linear mixed-effects models were used to predict daily physical activity over time and child physical activity as a function of parent physical activity on a day-to-day basis. …
Is The Ftp Test A Reliable, Reproducible And Functional Assessment Tool In Highly-Trained Athletes?, Eanna M. Mc Grath, Nicholas Mahony, Neil Fleming, Bernard Donne
Is The Ftp Test A Reliable, Reproducible And Functional Assessment Tool In Highly-Trained Athletes?, Eanna M. Mc Grath, Nicholas Mahony, Neil Fleming, Bernard Donne
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1334-1345, 2019. The aim of the current study was to assess reliability of the Functional Threshold Power test (FTP) and the corresponding intensity sustainable for 1-hour in a “quasi-steady state”. Highly-trained athletes (n = 19) completed four non-randomized tests over successive weeks on a Wattbike; a 3-min incremental test (GxT) to exhaustion, two 20-min FTP tests and a 60-min test at computed FTP (cFTP). Power at cFTP was calculated by reducing 20-min FTP data by 5% and was compared with power at Dmax and lactate threshold (TLac). Ventilatory and blood lactate …
Effect Of Capris In Validity Of Air-Displacement Plethysmography In Female College Students, Sydney Haynes, Joshua Miller, Kyle Susa
Effect Of Capris In Validity Of Air-Displacement Plethysmography In Female College Students, Sydney Haynes, Joshua Miller, Kyle Susa
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1315-1321, 2019. Body composition testing is completed in human performance laboratories, local health clubs, and many other locations each day. Maintaining proper technique is required to make sure the results are reliable and valid. The purpose of this study was to compare traditional clothing (spandex shorts and sports bra) and non-traditional clothing (Capri-length spandex pants and sports bra) in females while utilizing the Bod Pod to determine body composition. Nineteen female participants ages 18 - 25 years (Mage = 21.2 years) performed two Bod Pod tests either wearing traditional or non-traditional clothing when …
Acute Caffeine Ingestion Increases Velocity And Power In Upper And Lower Body Free-Weight Resistance Exercises, Thomas Degrange, William Jackson, Tyler Williams, Rebecca R. Rogers, Mallory Marshall, Christopher Ballmann
Acute Caffeine Ingestion Increases Velocity And Power In Upper And Lower Body Free-Weight Resistance Exercises, Thomas Degrange, William Jackson, Tyler Williams, Rebecca R. Rogers, Mallory Marshall, Christopher Ballmann
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1280-1289, 2019. The purpose of this study was to examine the acute effects of caffeine supplementation on velocity and power output during bench press and back squat exercises. Resistance trained males (n = 12) consuming less than 300 mg of caffeine daily, were recruited for this study. In a blinded crossover study design, participants supplemented with 6 mg· kg-1 caffeine or placebo (placebo, gluten-free cornstarch) 60 min prior to exercise. Participants completed 3 × 1 repetition with maximum explosive intent at 80% of their 1-RM for bench and squat exercises with two …
Effect Of Sex And Menstrual Cycle On Skin Sensory Nerve Contribution To Local Heating, Zachary T. Martin, Carley A. Shannon, Brandon M. Kistler, Paul R. Nagelkirk, Andrew T. Del Pozzi
Effect Of Sex And Menstrual Cycle On Skin Sensory Nerve Contribution To Local Heating, Zachary T. Martin, Carley A. Shannon, Brandon M. Kistler, Paul R. Nagelkirk, Andrew T. Del Pozzi
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1265-1279, 2019. The purpose of this study was to determine sex differences in the contribution of sensory nerves to rapid cutaneous thermal hyperemia. Healthy young females (n = 15, tested during both the early follicular (EF) and the mid-luteal (ML) phase of the menstrual cycle) and males (n = 15) had a 4 cm2 area of skin on one forearm and one leg treated with a eutectic mixture of local anesthetic (EMLA). EMLA sites, along with corresponding control sites, were instrumented with laser Doppler flowmetry probes and local skin heaters. Baseline (33 …
Validation Of Practical Tools To Identify Walking Cadence To Reach Moderate Intensity, Spencer F.C. Smith, Matthew A. Short, Martin Sénéchal, Danielle R. Bouchard
Validation Of Practical Tools To Identify Walking Cadence To Reach Moderate Intensity, Spencer F.C. Smith, Matthew A. Short, Martin Sénéchal, Danielle R. Bouchard
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1244-1253, 2019. It is recommended that adults get at minimum 150 minutes of moderate-to-vigorous physical activity in bouts of 10 minutes or greaterevery week. Walking cadence (steps per minute) is one easy way to estimate intensity required, however tools that claim to quantify walking intensity via walking cadence have not been validated in adults. We aimed to validate: 1- the accuracy of walking cadence measurement by the Piezo RxD pedometer, Polar Stride Sensor Bluetooth Smart foot pod, and Garmin Ant+ foot pod at different speeds and slopes and 2- the ability of the Piezo …
Effects Of Synchronous And Asynchronous Music During High Intensity Training On Obesity And Metabolic Health In Singapore Women, Dd Salle, Ms Aman, Mn Hashim, Fy Loo, T Tran
Effects Of Synchronous And Asynchronous Music During High Intensity Training On Obesity And Metabolic Health In Singapore Women, Dd Salle, Ms Aman, Mn Hashim, Fy Loo, T Tran
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 1254-1264, 2019. Evidence suggests that high intensity exercise aided by musicrenders positive results in health related fitness components. However, less is known about the influence synchronous and asynchronous music may have on outcomes in overweight and obese women.A twelve-week, randomized-controlled trial was conducted using premenopausal overweight/obese (BMI > 24.9 kg/m2) adult Singapore women (n = 92) divided into three groups (exercise with synchronous, asynchronous, and no music, respectively). Pre-post clinical examinations, anthropometric, and fitness evaluations were conducted. Statistical analyses revealed that physical activity was effective in all groups with music or non-music. Body …
Starting The Resistance-Training Session With Lower-Body Exercises Provides Lower Session Perceived Exertion Without Altering The Training Volume In Older Women, João Pedro Nunes, Alexandre Jehan Marcori, Crisieli Maria Tomeleri, Matheus Amarante Nascimento, Jerry L. Mayhew, Alex Silva Ribeiro, Edilson Serpeloni Cyrino
Starting The Resistance-Training Session With Lower-Body Exercises Provides Lower Session Perceived Exertion Without Altering The Training Volume In Older Women, João Pedro Nunes, Alexandre Jehan Marcori, Crisieli Maria Tomeleri, Matheus Amarante Nascimento, Jerry L. Mayhew, Alex Silva Ribeiro, Edilson Serpeloni Cyrino
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1187-1197, 2019.The aim of this study was to compare the acute effects of four resistance-training (RT) exercise orders on rate of perceived exertion (RPE) and RT variables with exercise load properly adjusted according to its position within the sequence in older women. That is, the load was adjusted so that it was possible that the sets were performed within the repetition-zone established. Fifteen trained older women (67.4 ± 5.3 years) participated in a crossover-design, combining single-joint (SJ) and multi-joint (MJ) exercises for upper- (UB) and lower-body (LB) in the following exercise orders: SEQA …
Metabolic And Cardiovascular Responses On A Novel, Whole Body Exercise Device Compared To A Cycle Ergometer, Melody A. Gary, Brian K. Mcfarlin
Metabolic And Cardiovascular Responses On A Novel, Whole Body Exercise Device Compared To A Cycle Ergometer, Melody A. Gary, Brian K. Mcfarlin
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1206-1215, 2019. The purpose of this study was to compare the metabolic effects during a similar bout of exercise on a novel, whole body exercise device (Fish and Kangaroo Machine; FKM) and a cycle ergometer. Recreationally active men and women (n =13) completed two exercise sessions. The exercise protocol included intervals alternating between exercise (3-min) and rest (3-min) for a total duration of 39-min. The exercise intensity between the two modes was matched based on heart rate response. Heart rate, cardiac output, and stroke volume were measured using a wireless telemetry technique (Physioflow …
Effects Of A Competitive Season On Autonomic Heart Rate Modulation In Field Soccer Athletes, João Marcelo De Queiroz Miranda, Adriano Maia, Roberta L. Rica, Welmo A. Barbosa, Alana De Sena Souza, Marco Bergamin, Vitor E. Valenti, Julien S. Baker, Guilherme L. Shimojo, Jonato Prestes, Whitley J. Stone, Danilo Sales Bocalini, Rogério Brandão Wichi
Effects Of A Competitive Season On Autonomic Heart Rate Modulation In Field Soccer Athletes, João Marcelo De Queiroz Miranda, Adriano Maia, Roberta L. Rica, Welmo A. Barbosa, Alana De Sena Souza, Marco Bergamin, Vitor E. Valenti, Julien S. Baker, Guilherme L. Shimojo, Jonato Prestes, Whitley J. Stone, Danilo Sales Bocalini, Rogério Brandão Wichi
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1198-1205, 2019. The physical demands of soccer combined with the rigor of the competitive season may have a substantial impact on autonomic modulation in field soccer athletes. The number of sudden death cases associated with soccer may be related to the physical training required to maintain performance and fitness, minimal time for recovery, and recurrent game participation. It is possible to identify individuals at risk of cardiovascular events by measuring heart rate variability (HRV), which is an indirect method for assessing autonomic activity. Therefore, the objective of this study was to analyze HRV before …
Daily Total Energy Expenditure Associated With Playing Pokémon Go, Tyler Langford, Veronika Pribyslavska, Vaughn W. Barry
Daily Total Energy Expenditure Associated With Playing Pokémon Go, Tyler Langford, Veronika Pribyslavska, Vaughn W. Barry
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 1179-1186, 2019. Approximately 51% of American adults do not meet weekly physical activity (PA) recommendations. Pokémon Go (PoGo) popularity and its required PA participation shows potential for improved daily PA. The primary aim of this study was to objectively measure daily energy expenditure (DEE) of PoGo players and identify whether DEE differs from non-players. A secondary aim was to assess potential motivational factors to play PoGo. Local Middle Tennessee participants (n= 25) were identified as "players" or "non-players" based on current PoGo usage from August till November 2016. Participants donned a SenseWear …
Core Stability And Athletic Performance In Male And Female Lacrosse Players, Fallon Shea Greene, Erin E. Perryman, Christopher J. Cleary, Summer B. Cook
Core Stability And Athletic Performance In Male And Female Lacrosse Players, Fallon Shea Greene, Erin E. Perryman, Christopher J. Cleary, Summer B. Cook
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1138-1148, 2019. This study determined the relationship of core stability with power production, agility, and dynamic stability of collegiate lacrosse players and whether core stability is more evident in these performance variables in either males or females. Twenty male and female collegiate lacrosse players (20.3 ± 1.0 years, 173.2 ± 11.8 cm, 72.6 ± 13.0 kg) performed the pro-agility shuttle, the countermovement jump (CMJ), the Star Excursion Balance Test (SEBT), and prone, right lateral, and left lateral planks on two sessions- familiarization and testing. Independent T-tests were used to compare sexes. SPSS 24.0 was …
Assessing Physical Activity Levels And Motivation In An Urban Midwest Private Liberal Arts College, Michael A. Kantor, Ana Freire Ribeiro
Assessing Physical Activity Levels And Motivation In An Urban Midwest Private Liberal Arts College, Michael A. Kantor, Ana Freire Ribeiro
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1169-1178, 2019. Recent research indicates that over one third of U.S. adults are obese and 51.6% of adults meet the recommended 2008 physical activity (PA) guidelines. In this context, understanding what makes people engage or not in PA becomes of key importance when attempting to prevent obesity and its related comorbidities. The objective is to assess the PA and motivation levels of students, faculty, and staff in an urban Midwest Private College. Participants completed an anonymous online survey (n=119) on PA and Exercise Motivation. Fitness levels were tested and obtained from wellness assessments (n=74). …
Dim Light Exposure Or Melatonin Ingestion Lowers A Type 2 Diabetic's Blood Glucose Removal Rate: A Single Case, Matthew C. Scott, Arnold G. Nelson, Christopher M. Hearon
Dim Light Exposure Or Melatonin Ingestion Lowers A Type 2 Diabetic's Blood Glucose Removal Rate: A Single Case, Matthew C. Scott, Arnold G. Nelson, Christopher M. Hearon
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1161-1168, 2019. The purpose of this case study isto compare a Type 2 diabetic's postprandial glucoregulatory ability under two different room lighting conditions. The subject was a 56-year-old physically active male with well controlled blood glucose levels (HbA1c ≤ 6% for 5 y) from a combination of diet, exercise, and medication. Two hours post evening meal (380 kcal, 18 g fat, 44 g carbohydrate, 12 g protein), a 45 g carbohydrate challenge was given, and blood glucose was measured every 30 minutes for 2.5 hours under three conditions: dim light (<50 lux) (DL), bright light (>40000 lux) …50>
Effects Of A Game-Centered Health Promotion Program On Fall Risk, Health Knowledge, And Quality Of Life In Community-Dwelling Older Adults, Alyssa K. Dispennette, Mark A. Schafer, Matthew Shake, Brian Clark, Steven Vanover, Gretchen B. Macy, K. Jason Crandall
Effects Of A Game-Centered Health Promotion Program On Fall Risk, Health Knowledge, And Quality Of Life In Community-Dwelling Older Adults, Alyssa K. Dispennette, Mark A. Schafer, Matthew Shake, Brian Clark, Steven Vanover, Gretchen B. Macy, K. Jason Crandall
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1149-1160, 2019. Quality of life (QOL) is an important aspect of overall well-being in older adults and can be improved with increased physical activity. One in four older adults experiences a fall each year, making it necessary to focus public health interventions towards decreasing fall risk and improving QOL in older adults. The purpose of this study was to determine the effects of the health promotion program, Bingocize®, on QOL and fall risk in community-dwelling older adults (n = 36; mean age 73.63 ± 6.97). Participants were clustered and randomly assigned …
Does Fatigue Impact Static And Dynamic Balance Variables In Athletes With Previously Ankle Injury?, Michelle Lacey, Bernard Donne
Does Fatigue Impact Static And Dynamic Balance Variables In Athletes With Previously Ankle Injury?, Michelle Lacey, Bernard Donne
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 1121-1137, 2019. Ankle injury, resulting in deficits in static and dynamic balance, can result in significant time loss to sport, affect daily activities and potentially place athletes at greater risk of re-injury. In order to identify athletes at risk of ankle injury accurate and reliable balance assessment tools are required. The purpose of the current study was to quantify reliability of static and dynamic balance variables in currently healthy, previously injured, athletes (n = 19) and assess the impact of an intense intermittent zig-zag running protocol to volitional exhaustion, rated by RPE, on balance …
The Effect Of Barefoot Running On Emg Activity In The Gastrocnemius And Tibialis Anterior In Active College-Aged Females, Ryan Beierle, Phoebe Burton, Hayden Smith, Michael Smith, Stephen J. Ives
The Effect Of Barefoot Running On Emg Activity In The Gastrocnemius And Tibialis Anterior In Active College-Aged Females, Ryan Beierle, Phoebe Burton, Hayden Smith, Michael Smith, Stephen J. Ives
International Journal of Exercise Science
International Journal of Exercise Science 12(1): 1110-1120, 2019. Running is one of the most popular forms of exercise, thus overuse injuries such as plantar fasciitis, shin splints, and tibial stress fractures are also common. Barefoot/forefoot running has shown promise to reduce overuse injuries by decreasing the impact upon contact with the ground. The arch of the foot utilizes a ‘spring’ system that simultaneously reduces impact and propels the stride forward. Increased muscle activity in a particular location is indicative of greater impact forces, suggesting a larger risk for overuse injuries. The current study investigated the role of the barefoot condition …
Early Timeline Of Lean Tissue Mass And Strength Improvements In Trained Men Following A High Volume/Frequency Resistance Training Program, Michael H. Thomas, Robert H. Ferguson, Steve P. Burns, Natalie B. Allen
Early Timeline Of Lean Tissue Mass And Strength Improvements In Trained Men Following A High Volume/Frequency Resistance Training Program, Michael H. Thomas, Robert H. Ferguson, Steve P. Burns, Natalie B. Allen
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1094-1109, 2019. The purpose of this study was to determine the early timeline effect of a systemic high volume/frequency resistance training intervention on lean tissue mass and strength in trained men. Twenty-two healthy resistance trained men, age (32.29 ± 9.75 years), training age (9.40 ± 6.18 years) were placed on a 4-week resistance training (RT) intervention with lean mass and strength assessed pre, mid, and post intervention. RT consisted of 6 exercises: flat smith chest press, pull ups, triceps pushdowns, dumbbell bicep curls, leg press or walking lunges, and standing calf raises, completing 5 …
Comparison Of Body Composition Prediction Equations With Air Displacement Plethysmography In Overweight And Obese Caucasian Males., Carley A. Shannon, Justin R. Brown, Andrew T. Del Pozzi
Comparison Of Body Composition Prediction Equations With Air Displacement Plethysmography In Overweight And Obese Caucasian Males., Carley A. Shannon, Justin R. Brown, Andrew T. Del Pozzi
International Journal of Exercise Science
Body mass index (BMI) has been used for years by clinicians to approximate total body fat. However, the body adiposity index (BAI), body adiposity index from the FELS longitudinal study (BAIFELS), and an equation developed by Deurenberg et al. (BFD) were created recently to offset BMI’s limitations and accurately estimate percent body fat (%BF). The prevalence of overweight and obese Caucasian men is increasing in the United States; currently, there is no established way to quickly and accurately predict their %BF. Purpose: To compare the existing %BF equations (BAI, BAIFELS, and BFD) to measured %BF via air displacement plethysmography (ADP) …
Can Blood Flow Restricted Exercise Improve Ham:Quad Ratios Better Than Traditional Training?, Michael G. Bemben, Kirsten M. Mitcheltree, Rebecca D. Larson, David Ross, Charity Cavazos, Benjamin Friedlander, Debra A. Bemben
Can Blood Flow Restricted Exercise Improve Ham:Quad Ratios Better Than Traditional Training?, Michael G. Bemben, Kirsten M. Mitcheltree, Rebecca D. Larson, David Ross, Charity Cavazos, Benjamin Friedlander, Debra A. Bemben
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1080-1093, 2019. Muscular deficiencies between the quadriceps and hamstrings are prevalent among women and often lead to knee injury and ACL tears. The purpose of this study was to examine whether short term resistance training with or without blood flow restriction (BFR) could improve hamstring:quadricep ratios (H:Q) and reduce the chance for injury. Women (n = 14; 18-25 yrs) were randomly assigned to either a traditional resistance training (RT: n = 8) or BFR resistance training in combination with traditional RT (RT+BFR: n = 6) group. Subjects trained 3 days/week for 6 weeks. …
The Effect Of Moderate Intensity Aerobic Exercise On Affect And Exercise Intention In Active And Inactive College Students, Allison M. Kyral, Amber M. Shipherd, Christopher M. Hearon
The Effect Of Moderate Intensity Aerobic Exercise On Affect And Exercise Intention In Active And Inactive College Students, Allison M. Kyral, Amber M. Shipherd, Christopher M. Hearon
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 1070-1079, 2019. Physical activity has long been established as an essential behavior for vital physical and psychosocial health outcomes (16, 18), but lack of physical activity is still a rampant problem worldwide (7). Numerous factors influence physical activity participation, including affect, a measure of well-being. Research has found that affect increases following an exercise session, though some recent studies have discovered that affect tends to be lower when measured during exercise (14). Therefore, the purpose of this study was to explore the differences in affect between active and inactive college students during exercise. A …
Effects Of Short-Term High Versus Continuous Moderate Intensity Training On Insulin Resistance In Overweight And Obese Adults: A Randomized Controlled Trial, Tshidi Thaane, Ayesha Motala, Andrew Mckune
Effects Of Short-Term High Versus Continuous Moderate Intensity Training On Insulin Resistance In Overweight And Obese Adults: A Randomized Controlled Trial, Tshidi Thaane, Ayesha Motala, Andrew Mckune
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 1057-1069, 2019. In long-term exercise training studies ( > 6 weeks), improvements in insulin resistance (IR) are amplified by decreased body fat and/or increased cardio-respiratory fitness. This presents a challenge in studying the independent effects of exercise training. Our study purpose was to determine the effects of short-term continuous moderate intensity training (CMIT) and high intensity interval training (HIIT) on IR in overweight/obese adults. Participants were stratified into insulin sensitive (IS) and IR groups, and randomized into non-exercise control (CNT), CMIT and HIIT sub-groups that underwent baseline and post testing. Exercise sessions were 18-24 minutes …
Acute Effects Of A Multi-Ingredient Pre-Workout Supplement On 5-Km Running Performance In Recreationally-Trained Athletes, Daniel J. Lutsch, Clayton L. Camic, Andrew R. Jagim, Nora J. Johnston, Taylor L. Musgjerd
Acute Effects Of A Multi-Ingredient Pre-Workout Supplement On 5-Km Running Performance In Recreationally-Trained Athletes, Daniel J. Lutsch, Clayton L. Camic, Andrew R. Jagim, Nora J. Johnston, Taylor L. Musgjerd
International Journal of Exercise Science
International Journal of Exercise Science 12(2): 1045-1056, 2019. The purpose of the present study was to examine the effects of an acute dose of a multi-ingredient pre-workout supplement on 5-km running performance and subjective measures of fatigue. Twenty aerobically-trained, males (n= 10, mean ± SD = 80.8 ± 6.1 kg) and females (n= 10, 64.5 ± 6.6 kg) completed two 5-km running races for time in a double-blind, cross-over fashion. During the first session, subjects were randomly assigned to ingest the supplement or placebo 30 minutes prior to running a 5-km race. The supplement contained multiple …
Effects Of Aerobic Exercise Modality On Cognition And Fitness In Breast Cancer Survivors, Julie A. Larsen, Judy Knuth
Effects Of Aerobic Exercise Modality On Cognition And Fitness In Breast Cancer Survivors, Julie A. Larsen, Judy Knuth
International Journal of Exercise Science
International Journal of Exercise Science 12(3): 1023-1033, 2019. Although cognitive dysfunction is a common occurrence among breast cancer survivors, there is no widely recognized intervention for this debilitating condition. The purpose of this study was to determine whether floor/step aerobics (FSA) and/or treadmill walking (TMW) interventions can improve outcomes when compared to standard care (STC). Recent breast cancer survivors participated in 12 weeks of FSA (n=8), TMW (n=7), or STC (n=10) with pre/post assessments of cognition and fitness. Interaction effects between group and time were assessed with repeated measures ANOVA. Throughout the extent of …
The Relationship Between Lower-Body Strength And Power, And Load Carriage Tasks: A Critical Review, Robin Marc Orr, J. Jay Dawes, Robert G. Lockie, Daniel Godeassi
The Relationship Between Lower-Body Strength And Power, And Load Carriage Tasks: A Critical Review, Robin Marc Orr, J. Jay Dawes, Robert G. Lockie, Daniel Godeassi
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 1001-1022, 2019. The purpose of this review was to critically appraise articles that have investigated the association between lower-body strength and power during load carriage in tactical personnel. Literature databases were searched with specific search terms, yielding 921 articles. Additional studies found from article reference lists were also assessed for eligibility. Out of these articles, 16 met the inclusion/exclusion criteria and were critically appraised. Articles were assessed by the Downs and Black evaluation tool with inter-rater agreement determined by Cohen’s kappa and final results graded according to the Kennelly quality grading system. Of the …
Prevalence Of Disordered Eating And Muscle Dysmorphia In College Students By Predominant Exercise Type, Taylor E. Lechner, Emily M. Gill, Madeleine J. Drees, Carrie M. Hamady, Mary-Jon Ludy
Prevalence Of Disordered Eating And Muscle Dysmorphia In College Students By Predominant Exercise Type, Taylor E. Lechner, Emily M. Gill, Madeleine J. Drees, Carrie M. Hamady, Mary-Jon Ludy
International Journal of Exercise Science
International Journal of Exercise Science 12(4): 1001-1012, 2019. Many young adults experience distorted body image and decreased body satisfaction. To attain more “ideal” bodies, negative alterations in eating and/or exercise habits are common. This study’s objective was to compare disordered eating and muscle dysmorphia in undergraduates who participate in aerobic-, anaerobic-, or flexibility-predominant exercise; mixed exercise; or no exercise. One hundred twelve undergraduate students (age 21.2 ± 4.8 years; BMI 25.0 ± 4.6 kg/m2) were recruited from the student union and recreation center. The Eating Attitudes Test (EAT-26), Muscle Dysmorphic Disorder Inventory (MDDI), and demographic/exercise questions were administered …
Effectiveness Of Studying When Coupled With Exercise-Induced Arousal, Hannah A. Zabriskie, Edward M. Heath
Effectiveness Of Studying When Coupled With Exercise-Induced Arousal, Hannah A. Zabriskie, Edward M. Heath
International Journal of Exercise Science
International Journal of Exercise Science 12(5): 979-988, 2019. The basis of learning is knowledge of discrete information such as terms and definitions that can be developed through memorization. A strong knowledge base is something students strive to develop through self-directed study. Little research has investigated the role of simultaneous exercise and memorization on recall ability with a delay in recall of at least 24 hrs. The purpose of this study was to evaluate the effect of an exercise bout on memory by requiring participants to recall words 24 hrs after exposure to three different interventions: memorization while cycling, memorization after …
Sensitive And Reliable Measures Of Driver Performance In Simulated Motor-Racing, Christopher Irwin, Jamie Mollica, Ben Desbrow
Sensitive And Reliable Measures Of Driver Performance In Simulated Motor-Racing, Christopher Irwin, Jamie Mollica, Ben Desbrow
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 971-978, 2019. Motor racing is a physically and mentally demanding sport, associated with a high degree of risk for drivers. Hence, driving simulation provides a safe alternative to explore the impact acute physiological perturbations (e.g. heat stress or dehydration) on a driver’s performance. This study aimed to determine sensitive and reliable simulated driving performance parameters that could be employed in future driving performance studies. Thirty-six healthy males (age: 26.5 ± 8.1 y, body mass: 75.6 ± 12.2 kg, mean ± SD) completed a single experimental trial involving four simulated motor-racing drives (2 initial drives …
No Impact Of Heat Stress And Dehydration On Short Duration Simulated Motor-Racing Performance, Jamie Mollica, Ben Desbrow, Christopher Irwin
No Impact Of Heat Stress And Dehydration On Short Duration Simulated Motor-Racing Performance, Jamie Mollica, Ben Desbrow, Christopher Irwin
International Journal of Exercise Science
International Journal of Exercise Science 12(6): 960-970, 2019. Motor-racing drivers are often exposed to hot environments and may be susceptible to fluid loss and hydration issues, which could influence driving performance. This study assessed the effect of dehydration and heat stress on performance during a short, simulated motor-racing task. Nine healthy males (age: 26.6 ± 7.5 y, body mass: 78.8 ± 12.5 kg, mean ± SD) completed two passive dehydration (sauna) procedures (targeting -1% and -3% body mass loss (BML)) on separate occasions. Driving performance was assessed pre-dehydration (Baseline), immediately post-dehydration (Hot) and following a cooling period (Cool). Measures of …
Comparison Of Single Leg Squat Variations On Lower Limb Muscle Activation And Center Of Pressure Alterations, Mary Grace Knoll, Mackenzie C. Davidge, Claire E. Wraspir, John A. Korak
Comparison Of Single Leg Squat Variations On Lower Limb Muscle Activation And Center Of Pressure Alterations, Mary Grace Knoll, Mackenzie C. Davidge, Claire E. Wraspir, John A. Korak
International Journal of Exercise Science
International Journal of Exercise Science 12(1): 950-959, 2019. Following anterior cruciate ligament reconstruction, individuals experience inadequate functioning of the quadriceps and decreased muscular strength. Decreased function delays return to physical activity and increases potential for re-injury. While several squat variations exist, a new variation has emerged in rehabilitation. The purpose of this study was to compare muscle activation of the Vastus Lateralis (VL), Vastus Medialis (VM), Rectus Femoris (RF), Gluteus Maximus (GM), and anterior posterior center of pressure (AP displacement) alterations during a single leg squat variation (SLS variation) versus a traditional split squat using electromyography (EMG) in healthy active …