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Full-Text Articles in Life Sciences

Kinetic Asymmetries During Submaximal And Maximal Speed Running, Devon H. Frayne Aug 2014

Kinetic Asymmetries During Submaximal And Maximal Speed Running, Devon H. Frayne

Masters Theses

An important issue for sports scientists, coaches and athletes is an understanding of the factors within a running stride that can enhance or limit maximal running speed. Previous research has identified many sprint-related parameters as potential kinetic limiters of maximal Center of Mass velocity (Chapman and Caldwell, 1983b; Weyand et al., 2001). Bilateral asymmetry is present for many of these parameters during running; however the degree to which such asymmetries change as running speed increases is unknown. It was hypothesized that asymmetries in key sprinting parameters would be larger at maximal speed than all other tested speeds. Kinematics and kinetics ...


The Effect Of Attentional Focus Instructions On Golf Swing Performance In Recreational Golfers, Jeffrey D. Eggleston Aug 2014

The Effect Of Attentional Focus Instructions On Golf Swing Performance In Recreational Golfers, Jeffrey D. Eggleston

Boise State University Theses and Dissertations

Previous research has addressed the effectiveness of attentional focus instructions in improving golf performance with a single training session. The purpose of the current study was to investigate the effect of external (EF) attentional focus instructions on recreational golfers’ performance over a distributed training period and extended retention interval. Performance was measured by club head velocity (CHV) and X-factor as both have been correlated with greater performance. The current study extends the work of An, Wulf, and Kim (2013), by increasing the training period and retention interval. It was hypothesized EF group would have greater CHV and X-factor measurements during ...


The Effects Of Respiratory Muscle Warm-Up On Exercise Performance And Pulmonary Functions, Dennis Jonathan Guillot Jan 2014

The Effects Of Respiratory Muscle Warm-Up On Exercise Performance And Pulmonary Functions, Dennis Jonathan Guillot

LSU Doctoral Dissertations

Effect of a Specific Respiratory Warm-up on Run Performance, Pulmonary Functions, and Rating of Perceived Breathing The purpose of this study was to evaluate the effect of a respiratory warm-up for five minutes using an inspiratory/expiratory (IEC) device on pulmonary function (PFT) (FVC, FEV©û, FEF 25-75%, PEF), rate of perceived exertional (RPE) breathing, and performance time [300 yard shuttle run (300y) and 1.5 mile run (1.5m)] in asthmatics and non-asthmatics. Ten non-asthmatics males (22.6¡¾7.4 years) participated in phase I, twenty non-asthmatic males (24.2¡¾9.8 years) in phase II, and five asthmatics ...