Medicine and Health Sciences Commons^™

Exercise Identity: Origins, Applications, And Future Utility, Vincent L. Liardi

Electronic Thesis and Dissertation Repository

It has been determined that exercise identity (EI) is a key component of the self-concept and is a strong determinant of exercise behaviours. The primary purpose of study 1 was to examine EI’s relationship with three key self-presentational variables: self-presentational efficacy (SPE), social physique anxiety (SPA), and impression motivation (IM). Specifically, we looked at how EI contributed uniquely to predicting exercise behaviour over and above these self-presentational concerns. The analyses demonstrated that EI is positively correlated with SPE and unrelated to SPA in both genders. Further analyses revealed that EI contributes a significant amount of variance towards exercise behaviour over …

The Use Of Exercise Self-Talk By Female Adolescents, Sadie Puddister

Electronic Thesis and Dissertation Repository

Already below recommended levels, physical activity participation in female youth is known to decline throughout adolescence. Self-talk, a form of self-regulation has been demonstrated to influence behaviour in both sport and exercise settings. The purpose of the present research was to explore the exercise related self-talk of teen girls (aged 14-18) with the intent of uncovering reoccurring themes and attributes in the self-talk of both low frequency exercisers (LFEs) and high frequency exercisers (HFEs). Participants were teen girls (N=28, M_age=15.56, SD_age=1.47) recruited from A. B. Lucas Secondary School in London, Ontario. Physical activity …

The Effects Of Fatigue On The Reactive Agility Test: Looking At The Difference Between Normal Game Play And The Hurry-Up Offense In Football Game Simulations, Kristine E. Walker

Electronic Thesis and Dissertation Repository

Purpose: The purpose of this study was to assess the effects of fatigue on performance of the Reactive Agility Test (RAT) by University Football players. This test assesses the athlete’s ability to change direction in response to a visual stimulus, somewhat like responding to the actions of an opponent in a game. Two fatiguing conditions were compared, simulations of normal game play and hurry-up offense in football. Methods: Following a warm-up and baseline RAT testing the athletes performed 10 high intensity, sprints on a specialized treadmill, with a 1:5 work to rest ratio to simulate regular game pace. This was …

Degrees Of Damage: Quantifying Male Vs. Female Exercise-Induced Muscle Damage Through Magnetization Transfer Ratios, Nicholai Michael Clausius Crawford

Electronic Thesis and Dissertation Repository

No direct, quantitative, and non-invasive markers presently exist to assess exercise-induced muscle damage (EIMD). However, magnetization transfer ratios (MTR), an emerging measurement quantified via magnetic resonance imagery, provide more direct indication of muscle integrity following EIMD. This study compares and correlates the temporal pattern of the MTR to alternative indirect markers of EIMD in male vs. female populations, and subsequently establishes whether there are sex differences in biochemical activity during recovery. The antioxidant properties of estrogen hypothetically minimize muscle trauma, maintain membrane stability, and limit swelling resulting in heightened tissue integrity and resilience to EIMD. Six males and three females …

Exploring The Fall-Risk Experience Of Masters Athletes Actively Competing In Sport, Dylan Brennan

Electronic Thesis and Dissertation Repository

The risk of falling increases in adults over the age of 65. Exercise can prevent falls. The motivation to partake in physical activity might be dependent on an older adult’s experience with the risk of falling. Since the majority of older adults are sedentary, experiences of masters athletes can provide valuable insights. The purpose of this phenomenological study was to explore the fall-risk experience of masters athletes actively competing in sport. Masters athletes over the age of 55 (n=22) described their experiences in semi-structured interviews. Data was analyzed through an interpretive-constructive paradigm using inductive content analysis. There were five dominant …

Effects Of A Novel High Intensity Interval Training Protocol Versus Continuous Training In National And International Class Collegiate Rowers On Indices Of Aerobic And Anaerobic Power, Sylvie D. Richer

Electronic Thesis and Dissertation Repository

The purpose of this investigation was to compare 6 high intensity interval training (HIIT) sessions with predominately continuous training (CONT) over 11 days on elite rowers. Two groups (n=8) completed an incremental ramp test to determine Peak Aerobic Power (PAP), and a Critical Power test (CP). HIIT sessions consisted of 10 bouts of 10 s work (140% of PAP) with 5 s recovery, followed by 8 min of active recovery; repeated 6 times. 60 s power decreased in CONT (510±167–489±171W; p=0.02). CP increased in both groups (HIIT: 336±59-360±59W; CONT: 290±73-316±74W; p≤0.05). W’ decreased in CONT only (14256±7022-11303±7360J; …

University Athlete Transition: Making The Jump From Sport To Life, Natascha Wesch

Electronic Thesis and Dissertation Repository

The general purpose of this dissertation was to examine how perfectionism might influence career planning through its relationship with career decision making self-efficacy, career goal setting, and career outcome expectations in Canadian university student-athletes. Specifically, this dissertation addressed two main research questions: Does perfectionism enhance or inhibit career planning in university student-athletes; and is this in turn influenced by the relationship between perfectionism (strivings and concerns) and the social cognitive variables of the SCCT (i.e., career decision making self-efficacy, career goal setting, and career outcome expectations)?

In order to validate and test the measurement models of perfectionism, decision-making self-efficacy, career …