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Articles 2251 - 2262 of 2262
Full-Text Articles in Exercise Physiology
Undergraduate Research: Importance, Benefits, And Challenges, John K. Petrella, Alan Jung
Undergraduate Research: Importance, Benefits, And Challenges, John K. Petrella, Alan Jung
International Journal of Exercise Science
Developing and maintaining undergraduate research programs benefits students, faculty mentors, and the university. Incorporating a research component along with a sound academic foundation enables students to develop independent critical thinking skills along with oral and written communication skills. The research process impacts valuable learning objectives that have lasting influence as undergraduates prepare for professional service. Faculty members at teaching intensive institutions can enhance learning experiences for students while benefiting from a productive research agenda. The university in turn benefits from presentations and publications that serve to increase visibility in the scientific community. Whether projects are derived through student-generated or mentor-generated …
Relationship Of Vo2 Peak, Body Fat Percentage, And Power Output Measured During Repeated Bouts Of A Wingate Protocol, John R. Mclester‡, J. Matthew Green‡, P. Jason Wickwire†, Thaddeus R. Crews‡
Relationship Of Vo2 Peak, Body Fat Percentage, And Power Output Measured During Repeated Bouts Of A Wingate Protocol, John R. Mclester‡, J. Matthew Green‡, P. Jason Wickwire†, Thaddeus R. Crews‡
International Journal of Exercise Science
The principle of specificity would indicate that being aerobically trained would not necessarily enhance performance in events relying principally on oxygen-independent metabolic pathways (i.e. “anaerobic” exercise). Body fatness may be associated with aerobic and anaerobic performance. VO2 Peak was determined with a graded cycle ergometry and, in a separate session 4 consecutive Wingate power tests (3 min recovery) in 31 males. Pearson correlations were calculated for VO2 Peak and Body Fat Percentage with Peak Power, Mean Power, Minimum Power, Fatigue Index, Peak Heart Rate, and Recovery Heart Rate. No significant correlations were found for VO2 Peak or Body Fat Percentage …
Exercise Induced Alterations In Rat Monocyte Number, Morphology, And Function, Marcia Guereschi†, Jonato Prestes‡, Felipe Donatto‡, Rodrigo Dias‡, Anelena Frollini‡, Clílton Ferreira‡, Claudia Cavaglieri‡, Adrianne Palanch‡
Exercise Induced Alterations In Rat Monocyte Number, Morphology, And Function, Marcia Guereschi†, Jonato Prestes‡, Felipe Donatto‡, Rodrigo Dias‡, Anelena Frollini‡, Clílton Ferreira‡, Claudia Cavaglieri‡, Adrianne Palanch‡
International Journal of Exercise Science
The purpose of this study was to verify the histophysiological alterations in monocytes and macrophages induced by short periods of exercise. Male Wistar rats (age = 2 months, body weight = 200g) were divided into seven groups (N=6 each): sedentary control (C), groups exercised (swimming) at low intensity for 5 (5L), 10 (10L), and 15 minutes (15L), and groups exercised at moderate intensity for 5 (5M), 10 (10M) or 15 minutes (15M). At moderate intensity the animals carried a load of 5% of body weight on their backs. Blood monocytes were evaluated for quantity and morphology, and peritoneal macrophages were …
Changes In Emg And Finger Force With Repeated Hangs From The Hands In Rock Climbers, Phillip B. Watts‡, Randall L. Jensen‡, Sara M. Agena†, John A. Majchrzak†, Rebecca A. Schellinger†, Cory S. Wubbels†
Changes In Emg And Finger Force With Repeated Hangs From The Hands In Rock Climbers, Phillip B. Watts‡, Randall L. Jensen‡, Sara M. Agena†, John A. Majchrzak†, Rebecca A. Schellinger†, Cory S. Wubbels†
International Journal of Exercise Science
The nature and degree of fatigue in muscles that control finger position during repeated sustained efforts in rock climbing have not been described. The purpose of this study was to identify changes in maximum hang time and forearm electromyogram (EMG) during repeated maximum duration hangs from a simulated rock feature. A second objective was to determine the effect of different recovery times between hangs upon changes in finger force. Five experienced rock climbers performed 2 test sessions on different days in a randomized order. Each session involved 8 repetitions of a maximum duration hang with either 1 min (R1) or …
Do The Principles Of Motor Program Editing Apply To Longer Sequences Of Rapid Aiming Movements? Part Ii, Eric J. Wilson*, David E. Sherwood‡
Do The Principles Of Motor Program Editing Apply To Longer Sequences Of Rapid Aiming Movements? Part Ii, Eric J. Wilson*, David E. Sherwood‡
International Journal of Exercise Science
In Part I of this study, it was shown that performing a shorter distance aiming movement prior to a longer distance aiming movement resulted in overshooting of the short movement and undershooting of the longer movement compared to control conditions. However, the finding was limited, unexpectedly, to the nondominant hand. To replicate the prior result and to determine the effect of practice organization on movement accuracy, right-handed (n =24) participants (aged 18-22) produced a sequence of three rapid lever reversals combining short (20°) and long (60°) movements with an intermovement interval of 2.5 s with the dominant hand. Greater overshooting …
Reviewing An Original Research Manuscript For The International Journal Of Exercise Science: A Guide For Students And Professionals, Kathy J. Simpson
Reviewing An Original Research Manuscript For The International Journal Of Exercise Science: A Guide For Students And Professionals, Kathy J. Simpson
International Journal of Exercise Science
Considerations for the review process of manuscripts submitted to the International Journal of Exercise Science are presented. Initial steps to evaluation include reading the abstract to determine your ability as a reviewer, becoming familiar with the journal requirements, and formulating an initial impression of the manuscript. At this point an assessment is made to determine how the reviewer should treat the manuscript. If it is determined that the manuscript is acceptable with minor revisions, or may be acceptable with major changes, a full review should be performed. A full review of the manuscript requires a thorough examination of the major …
Do The Principles Of Motor Program Editing Apply To Longer Sequences Of Rapid Aiming Movements? Part I, Eric J. Wilson, David E. Sherwood
Do The Principles Of Motor Program Editing Apply To Longer Sequences Of Rapid Aiming Movements? Part I, Eric J. Wilson, David E. Sherwood
International Journal of Exercise Science
Prior work had shown that performing a shorter distance aiming movement prior to a longer distance aiming movement resulted in overshooting of the short movement and undershooting of the longer movement compared to repetition of the same movement. The main question was whether the same interference effects would be found in a three-movement sequence. Right-handed (N = 24) participants (aged 18-22) produced a sequence of two or three bimanual rapid lever reversals combining short (20°) and long (60°) movements with an intermovement interval of 2.5 s beginning with either the dominant or nondominant hand. Participants overshot the short target and …
The Relationship Between Upper Arm Anthropometrical Measures And Vertical Jump Displacement, Richard A. Reeves, Ocie D. Hicks, James W. Navalta
The Relationship Between Upper Arm Anthropometrical Measures And Vertical Jump Displacement, Richard A. Reeves, Ocie D. Hicks, James W. Navalta
International Journal of Exercise Science
The purpose of this study was to determine if upper body segment length or mass contributes to vertical jump (VJ) displacement. Seventeen men (n=9) and women (n=8) who were active recreationally participated in this investigation. Subjects performed VJ for maximal displacement, and skeletal length measurements of the humerus (acromion following the lateral lip to the greater tuberosity), ulna (olecranon to the ulnar styloid process), and hand (lunate to distal end of third phalanx) were obtained by palpation of boney landmarks and a standard tape measure. Pearson Product Moment Correlation Coefficients were used to compare the data with statistical significance accepted …
Dabbing The Skin Surface Dry During Ice Massage Augments Rate Of Temperature Drop, Amrik S. Sidhu, Gary Lentell, Robert Pettitt
Dabbing The Skin Surface Dry During Ice Massage Augments Rate Of Temperature Drop, Amrik S. Sidhu, Gary Lentell, Robert Pettitt
International Journal of Exercise Science
While ice massage (IM) is a rapid cooling technique used to facilitate therapeutic movements in the rehabilitation process, evidence of its efficacy over alternative therapeutic protocols is scarce. We determined whether dabbing the skin surface dry during a standard IM treatment would lead to greater rate of skin temperature reduction in comparison to without dabbing; and whether dabbing the skin would lead to an acute change in flexibility. Sixteen healthy volunteers received a “dabbing” and “non-dabbing” 7-minute IM treatment over the surface of each triceps surae muscle. Minute-by-minute temperature change in skin surface was evaluated using an infrared thermometer. Active …
Forearm Emg During Rock Climbing Differs From Emg During Handgrip Dynamometry, Phillip B. Watts, Randall L. Jensen, Edward Gannon, Randy Kobeinia, Jeremy Maynard, Jennifer Sansom
Forearm Emg During Rock Climbing Differs From Emg During Handgrip Dynamometry, Phillip B. Watts, Randall L. Jensen, Edward Gannon, Randy Kobeinia, Jeremy Maynard, Jennifer Sansom
International Journal of Exercise Science
Grip force, as measured via handgrip dynamometry, is often given importance in the study of rock climbing performance. Whether handgrip dynamometry produces a degree of muscle activation comparable to actual climbing has not been reported. Furthermore, the degree and variability of muscle activation for various configurations during climbing are unknown. The purpose of this study was to record forearm EMG responses for six hand configurations during climbing and to compare these responses to a maximum handgrip test. Five experienced climbers signed informed consent to participate in the study. Subjects performed four moves up (UP) and down (DN) on an overhanging …
On A State-Sponsored Sport System In China, Jie Cao, Pan Zhiwei
On A State-Sponsored Sport System In China, Jie Cao, Pan Zhiwei
International Journal of Exercise Science
The gold medal success of China in recent Olympic Games can be traced to the advancement of the state-sponsored sport system (SSSS). While the program was developed initially through socialist ideals, it is more than a centralized government system to monopolize resources for glorified sport performance. Participation in competition is an inherent part of the human condition. Success in athletics is associated with national identity and has economic, social, and cultural implications. Because of this, it is essential that the SSSS adjust and improve to keep pace with other facets of China’s quickly changing national reform. In association with emerging …
Medical Technology: Contexts And Content In Science And Technology, Michael A. De Miranda, Mark Doggett, Jane T. Evans
Medical Technology: Contexts And Content In Science And Technology, Michael A. De Miranda, Mark Doggett, Jane T. Evans
Architectural and Manufacturing Sciences Faculty Publications
No abstract provided.