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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
The Effect Of Various Body Positions On Performance Of The Isometric Mid-Thigh Pull, George K. Beckham
The Effect Of Various Body Positions On Performance Of The Isometric Mid-Thigh Pull, George K. Beckham
Electronic Theses and Dissertations
The purpose of this dissertation was to evaluate the effects of changing body position on the execution of the isometric mid-thigh pull (IMTP). Furthermore, while there is evidence to suggest that there is an effect of familiarization on performance of maximal strength tests, there has been no known research evaluating the effect of learning on the IMTP. The effect of familiarization was assessed by evaluating changes in variables obtained from the IMTP. Subjects did not statistically improve over the five IMTP testing sessions, regardless of the body position used, or if subjects had previous experience with weightlifting derivatives. This may …
An Investigation Of The Relationship Between A Static Jump Protocol And Squat Strength: A Potential Protocol For Collegiate Strength And Explosive Athlete Monitoring, Cody Haun
Electronic Theses and Dissertations
The purpose of this study was to examine the relationship between estimated absolute and relative squat strength and a static jump protocol with potential to provide desirable training adaptation data to practitioners in the field of collegiate strength and conditioning. Forty-one young (20.80 ± 2.44 years), healthy volunteers reported estimated back squat 1RM’s based on the most recent training block and completed a static jump protocol. Males (n=19, est. 1RM 141.29 ± 32.02kg) and female (n=22, est. 1RM 71.56 ± 19.64kg) jump data revealed large to very large correlations between squat strength, mean jump heights of jumps and other calculated …
Four Weeks Of Controlled Frequency Breathing Training Reduces Respiratory Muscle Fatigue In Elite College Swimmers., Alex Robert Burtch 1991-
Four Weeks Of Controlled Frequency Breathing Training Reduces Respiratory Muscle Fatigue In Elite College Swimmers., Alex Robert Burtch 1991-
Electronic Theses and Dissertations
Controlled frequency breathing (CFB) is a common swim training modality that involves holding one’s breath for ~12 strokes before taking another breath. We sought to examine the effects of CFB training on reducing respiratory muscle fatigue (RMF). Elite swimmers (n = 25) were divided into either the CFB or a group that breathed regularly, every ~3rd stroke. The training intervention included 16 sessions of 12x50-m repetitions with either breathing pattern. RMF was defined as the drop in maximal inspiratory mouth-pressure (MIP) between rest and 46 seconds after a 200 yard free-style swimming race (~114 seconds). Pooled results demonstrated a reduction …
Recursive Behavior Recording: Complex Motor Stereotypies And Anatomical Behavior Descriptions, Nathaniel Bobbitt
Recursive Behavior Recording: Complex Motor Stereotypies And Anatomical Behavior Descriptions, Nathaniel Bobbitt
Electronic Theses and Dissertations
A novel anatomical behavioral descriptive taxonomy improves motion capture in complex motor stereotypies (CMS) by indexing precise time data without degradation in the complexity of whole body movement in CMS. The absence of etiological explanation of complex motor stereotypies warrants the aggregation of a core CMS dataset to compare regulation of repetitive behaviors in the time domain. A set of visual formalisms trap configurations of behavioral markers (lateralized movements) for behavioral phenotype discovery as paired transitions (from, to) and asymmetries within repetitive restrictive behaviors. This translational project integrates NIH MeSH (medical subject headings) taxonomy with direct biological interface (wearable sensors …
The Effects Of Jaw Clenching, Jaw Alignment Via Performance Mouthpiece, And The Combination Of Both On Power And Force Production, Charles Allen
The Effects Of Jaw Clenching, Jaw Alignment Via Performance Mouthpiece, And The Combination Of Both On Power And Force Production, Charles Allen
Electronic Theses and Dissertations
Jaw clenching has been demonstrated to elicit concurrent activation potentiation (CAP), which is the ergogenic advantage of increased prime mover muscular force production during physical activity. Further, jaw aligning mouthpieces have been shown to improve the force production capabilities of individuals with temporomandibular joint disorder (TMD) and are purported to have similar effects on persons without symptoms of TMD. Previous research examining these phenomena has focused solely on jaw alignment via mouthpiece use or jaw clenching as mutually exclusive factors explaining the reported performance benefits. However, these factors do not appear to be mutually exclusive. No previously published investigations have …
Examination Of Accelerometer Reactivity Among Children, Adolescents, And Adults: Implications For Influencing Physical Activity Estimates, Proportion Meeting Physical Activity Guidelines, And Associations With Health Outcomes, Robert Eugene Davis
Electronic Theses and Dissertations
The health benefits of regular Physical activity (PA) have been rigorously documented and continue to be investigated from the standpoint of prevention, as well as, treatment of a multitude of adverse health outcomes including cardiovascular disease, obesity, sleep disorders, depressive symptomatology and countless others. In order to minimize subjectivity and more accurately measure PA behavior, researchers often use accelerometers. Although this method is considered valid and reliable a methodological issue that has rarely been addressed is the potential “reactivity” effect of measuring PA with an objective measure, such as accelerometry. Reactivity is a behavior change by the participant due to …
The Effects Of Different Cuff Widths On Arterial Occlusion In The Upper Body, Matthew Brian Jessee
The Effects Of Different Cuff Widths On Arterial Occlusion In The Upper Body, Matthew Brian Jessee
Electronic Theses and Dissertations
The purpose of this study was to examine the effects three cuff widths (5 cm, 10 cm, 12 cm) have on arterial occlusion pressure (AOP) in the arm. A secondary purpose was to determine if arm circumference, blood pressure, arm length, and sex should be accounted for when applying these cuff widths. Two hundred and forty-nine participants visited the laboratory one time to measure arm length, arm circumference, brachial systolic (bSBP) and diastolic blood pressure (bDBP) folloby assessment of standing AOP as determined by a Doppler probe. One way repeated measure ANOVAs were used to examine differences between cuff widths …
An Examination Between High And Low Optimistic Ncaa Division I Student-Athletes' Perceptions Of Preferred Leadership Behavior In Sport: A Qualitative Investigation, Alexander C. Roorda
An Examination Between High And Low Optimistic Ncaa Division I Student-Athletes' Perceptions Of Preferred Leadership Behavior In Sport: A Qualitative Investigation, Alexander C. Roorda
Electronic Theses and Dissertations
Numerous researchers have examined preferred sport leadership behaviors from both the coach and athlete perspectives (Beam, Serwatka, & Wilson, 2004; Chelladurai, & Carron, 1983; Freakley, Czech, Harris, & Burdette, 2012; Turman, 2013; Weinburg, & Gould, 2010). However, there is limited research in student-athlete personality dispositions and how those might influence student-athlete perceptions of preferred leadership behaviors. The purpose of the present study was to examine views of leadership in light of certain personality dispositions. This research examined the potential influence of optimism (Abramson, et al, 2000) on qualitative descriptions of preferred leadership behaviors using the Revised Leadership Scale for Sport …
Body Image Self-Discrepancies And Compulsive Exercise: Exploring The Role Of Approach And Avoidance Motivational Selves, Kristin A. Chandler
Body Image Self-Discrepancies And Compulsive Exercise: Exploring The Role Of Approach And Avoidance Motivational Selves, Kristin A. Chandler
Electronic Theses and Dissertations
According to Brewer, Davis, Kalmbach, Kaptein, Katzman and Kirsch (1997), problematic exercise occurs in approximately 80% of anorexia nervosa patients and 55% of bulimia nervosa patients. Thus, a comprehensive understanding of unhealthy exercise is necessary for its assessment as well as eating disorder prevention and intervention. One term used to describe unhealthy exercise is compulsive exercise. Although compulsive exercise has been regarded as problematic in the development, treatment, and outcome of eating disorders, little research has investigated the risk factors for this behavior. Given the influence of body image disturbances on disordered eating and the relationship between compulsive exercise and …
A Qualitative Examination Of The Sport Music Preferences Of Ncaa Division I Athletes, Zachary Ryan
A Qualitative Examination Of The Sport Music Preferences Of Ncaa Division I Athletes, Zachary Ryan
Electronic Theses and Dissertations
Athletes report listening to music prior to their sport participation for a number of reasons, including: mood-regulation, arousal control, and concentration (Laukka & Quick, 2011; Sorenson, Czech, Gonzalez, Klein, & Lachowetz, 2008; Stevens & Lane, 2001). Researchers have found that many athletes report their music preferences for everyday listening are different from what they listen to around sport participation (Laukka & Quick, 2011). Music preferences have been found to be related to both gender and aspects of an individual’s personality, such as aggression (Rentfrow & Gosling, 2003; Colley, 2008; Rubin, West, & Mitchell, 2001;). The purpose of the current study …