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Articles 751 - 767 of 767
Full-Text Articles in Sports Sciences
Isbs '99 : Xvii International Symposium On Biomechanics In Sports, June 30-July 6, 1999, Edith Cowan University, Perth, Western Australia: Swimming, Ross Sanders (Ed.)
Isbs '99 : Xvii International Symposium On Biomechanics In Sports, June 30-July 6, 1999, Edith Cowan University, Perth, Western Australia: Swimming, Ross Sanders (Ed.)
Research outputs pre 2011
No abstract provided.
The Efficacy Of A 'Spacer' In The Delivery Of Salbutamol For The Prevention Of Exercise-Induced Asthma, David G. Reed
The Efficacy Of A 'Spacer' In The Delivery Of Salbutamol For The Prevention Of Exercise-Induced Asthma, David G. Reed
Theses : Honours
Salbutamol is a Beta-2-agonist, commonly prescribed for the prevention and reversal of Exercise induced asthma (EIA). The purpose of this study was to compare the efficacy of a spacer device in the delivery of salbutamol for the prevention of EIA Thirteen confirmed asthmatic subjects (10 female and 3 male), completed 3 exercise test sessions consisting of three treatments a) Ventolin via MDI (metered dose inhaler) and placebo via spacer, b) Ventolin via spacer and placebo via MDI and c) Placebo via spacer and MDI, randomly administered utilising a single blind, cross--over design. Following treatment, subjects completed an asthmogenic physical challenge …
Changes In Muscular Power Associated With Delayed Onset Muscle Soreness, Carmel Nottle
Changes In Muscular Power Associated With Delayed Onset Muscle Soreness, Carmel Nottle
Theses : Honours
The aims of the this study were to investigate the effects of delayed onset muscle soreness (DOMS) following downhill running on cycling power output and to determine the extent of any relationships between power output, strength, and DOMS. 12 active male subjects (aged 18-25 years) were randomly assigned to either a test (n=7) or control (n=5) group. The test group performed a 5 x 8 minute downhill running protocol at a grade of -7% and a speed corresponding to 80% of the subjects age predicted heart rate maximum. Measurements of isometric knee extension and flexion strength, peak and average cycling …
Sense Of Effort Associated With Exercise In The Chronic Fatigue Syndrome, Karen E. Wallman
Sense Of Effort Associated With Exercise In The Chronic Fatigue Syndrome, Karen E. Wallman
Theses : Honours
Investigations into the mediators of effort sensation have indicated that central mechanisms related to corollary discharges may be responsible for an increased sense of effort during fatiguing isometric exercise. The role for central mediators for sense of effort have been objectively demonstrated through use of contralateral limb matching tasks. Subjects diagnosed with chronic fatigue syndrome (CFS) often report prevalent fatigue associated with a greater sense of effort when involved in exercise. This study employed a fatiguing contralateral limb-matching task in order to determine if CFS subjects (n == 6) experienced an altered sense of effort associated with the task when …
The Participant's Perception Of The Contribution Of Lyengar Yoga To Their Health And Well-Being, Ann Dragon
The Participant's Perception Of The Contribution Of Lyengar Yoga To Their Health And Well-Being, Ann Dragon
Theses : Honours
To date little research has been conducted to substantiate the many anecdotal claims that yoga improves both physical and mental health. Berger and Owen (1992) demonstrated that yoga practice could enhance mood state. Mind-body exercise modalities, such as tai chi and yoga, potentially offer significant benefit in the areas of exercise rehabilitation and health promotion strategy (LaForge, 1997). Yoga is steadily gaining popularity amongst western culture with an increasing number of people participating in this mind-body exercise modality. Investigating the perceived contribution of regular yoga practice to health and well-being could uncover a number of positive 'indicators towards exercise adherence …
The Perception Of Effort During Muscular Fatigue And Recovery, Juan H. Svendsen
The Perception Of Effort During Muscular Fatigue And Recovery, Juan H. Svendsen
Theses : Honours
This study investigated how sense of effort is altered during fatigue in nine normal subjects. A contralateral limb matching paradigm was used in which the subjects nondominant (reference) arm was held at 20% MVC with force production matched at one minute intervals by the dominant (marching arm). It was found that matching force increased in a linear fashion with fatigue. It was also observed that EMG amplitude increased in the reference and matching arm and remained elevated during a 15 minute recovery period. As in previous studies strong correlation (r = 0.85) between rmsEMG in the reference arm and matching …
The Effects Of Concurrent Strength And Muscular Endurance Resistance Training On Strength, Endurance And Body Composition In Previously Untrained Females, Derek W. Gibbins
The Effects Of Concurrent Strength And Muscular Endurance Resistance Training On Strength, Endurance And Body Composition In Previously Untrained Females, Derek W. Gibbins
Theses : Honours
The number of females engaged in some form of sporting activity is growing rapidly, but many women still shy away from weight training because of their fear of excessive muscular hypertrophy and its accompanying loss of femininity. Because strength and muscular endurance play a vital role in most sporting endeavours, and weight training has proven to be one of the most effective methods to improve both attributes, any training regime that could achieve concurrent increases in both measures without noticeable increases in muscle size would be ideally suited to most women. Changes in strength and endurance resulting from eight weeks …
Central Fatigue In Chronic Fatigue Syndrome, Peter A. J. Hope
Central Fatigue In Chronic Fatigue Syndrome, Peter A. J. Hope
Theses : Honours
Fatigue associated with activity is a normal response, seeking to prevent damage or conserve energy. Some individuals show heightened fatigue responses with no distinct aetiology. In chronic fatigue syndrome (CFS), peripheral fatigue mechanisms display no apparent abnormalities, indicating some central mechanism. Transcranial magnetic stimulation (TMS) was used to compare force, perceived exertion, electromyogram response, motor evoked potentials (MEP) and silent periods (SP) following stimulation in normal and chronic fatigue groups. Participants (n=l2) were physically matched and performed a sustained sub-maximal (20% of MVC) isometric contraction of the elbow flexors. There were no significant differences (p < 0.05) in elbow flexor strength or time to reach fatigue. CFS participants showed a significant difference in perception of effort at outset. Differences were also noted in MEP amplitude and SP duration (p
Eccentrically Induced Skeletal Muscle Damage In Patients With Chronic Fatigue Syndrome (Cfs), With Reference To Overtrained Athletes, David L. Wright
Eccentrically Induced Skeletal Muscle Damage In Patients With Chronic Fatigue Syndrome (Cfs), With Reference To Overtrained Athletes, David L. Wright
Theses : Honours
Chronic fatigue syndrome (CFS) and Overtraining syndrome (OTS) are separate, complex conditions which have so many similar debilitating effects that it has led some researchers to conclude that OTS is a sub-condition of CFS. The purpose of this research was to compare the force and damage-recovery characteristics of skeletal muscle in CFS patients and control normals, after a single damaging bout of eccentric contractions in the non-dominant forearm flexors. The subjects ( n = 25 ), a convenience sample were assigned to three groups; [I] CFS + eccentric damage (n = 8), [2] Control Damage (CD)+ eccentric damage (n = …
The Effect Of Eccentric And Concentric Training On The Size And Strength Of Human Skeletal Muscle, Haydn J. N. Mcdonald
The Effect Of Eccentric And Concentric Training On The Size And Strength Of Human Skeletal Muscle, Haydn J. N. Mcdonald
Theses : Honours
The objective of this study was to determine if the high forces generated through eccentric contractions, and the subsequent damage sustained, contributes to greater growth and force increase in human skeletal muscle than other contraction types, and whether damage from eccentric exercise effects the increase in torque and muscle size expected after a progressive concentric strength training program. 20 healthy subjects were split into four groups which participated in 3 different training protocols, with one group serving as the control (C). Groups underwent either concentric training (CT), eccentric damage (ED), or a combination of the two protocols (DC) with the …
Is There A Difference In Cortical Representation Between Dominant And Non-Dominant Arm Muscles Of Elite Badminton Players?, Dylan J. Edwards
Is There A Difference In Cortical Representation Between Dominant And Non-Dominant Arm Muscles Of Elite Badminton Players?, Dylan J. Edwards
Theses : Honours
Training for sport involves the development of skill and coordination. The physiological changes associated with skill acquisition are complex and at present poorly understood. One of the areas in the central nervous system thought to be involved with skill acquisition is the cerebral motor cortex where localised areas are responsible for controlling specific muscle groups. Learning or improving a motor skill may require reorganisation of the cortical areas controlling relevant muscles to accommodate the new skill. To test this idea we studied a group of elite badminton players that were highly skilled in their dominant playing arm. Transcranial magnetic stimulation …
Effect Of Exercise Induced Muscle Soreness On The Motor Control Properties Of The Biceps Brachii, Alan J. Pearce
Effect Of Exercise Induced Muscle Soreness On The Motor Control Properties Of The Biceps Brachii, Alan J. Pearce
Theses : Honours
The objective of this study was to note the time course changes for up to 28 days on the motor control properties of biceps brachii muscle following a bout of eccentric exercise. Eight subjects (5 male, 25-40 years of age) performed 35 maximal voluntary eccentric contractions with the non-preferred arm of the elbow flexors through 130° of extension of 90°s-1. Voluntary electromyographic (EMG) activity and motor evoked potentials (MEPs) elicited by transcranial magnetic stimulation (TMS) were recorded via surface electrodes placed over the belly of the biceps brachii muscle. Maximal isometric strength was measured at 90° elbow flexion. …
The Retirement Experiences Of Former Elite Female Netball Players, J. L. Redmond
The Retirement Experiences Of Former Elite Female Netball Players, J. L. Redmond
Theses: Doctorates and Masters
Research to date on retirement from sport has been dominated by the study of United States, male, collegiate sports. Studies within Australia, which has a substantially different community based sport system, are just commencing. This study provided an insight into retirement from sport as it was experienced by former Western Australian elite female netball players. Using a qualitative interpretive approach a three stage interview process was employed to capture the individual experiences of each of the 15 participants. The interviewees were also asked to recommend interventions or strategies that netball associations could employ to assist players in their transition out …
The Effect Of Long Term Training On The Bone Mineral Density And Muscle Strength Of Perimenopausal Athletes, Jan Dook
Theses: Doctorates and Masters
The aim of this research was to determine if long term training (20 years+) in a high impact weight bearing sport (netball/basketball: NB/88), a low impact weight-bearing sport (running/ field hockey: GEN) and a non weight-bearing sport, swimming (SWI) produced a positive relationship with regional bone mineral density (BMD) and muscle strength. Method: Three groups of perimenopausal athletes (n=20) plus a control group (CON) (n=20) had Total Body BMD and body composition measured by DEXA (Hologic QDR 2000) and isometric strength of dominant arm flexors and leg extensors by a strain tensiometer connected to a strength chair. Differences between groups …
The Effects Of High And Low Repetition Resistance Training On The Force Profile Of The Rowing Stroke, Benjamin Tarbox
The Effects Of High And Low Repetition Resistance Training On The Force Profile Of The Rowing Stroke, Benjamin Tarbox
Theses : Honours
The effect of resistance training on the ability to generate force throughout the rowing stroke has to date been unreported. The purpose of this study therefore was to determine the changes that occur in the force profile of the rowing stroke, following low repetition strength (LRS) and high repetition endurance (HRE) resistance training. Eight female and 10 male sub elite heavy weight rowers matched according to gender, strength and anthropometric variables, completed 12 weeks of LRS or HRE resistance training. Pre and post testing was completed to determine changes in bench press and leg press repetition maximum (3RM) strength and …
An Exploratory Study Of The Development Of Perceived Body Image In Elite Female Artistic Gymnasts In One Central Programme, Michelle A. Saliba
An Exploratory Study Of The Development Of Perceived Body Image In Elite Female Artistic Gymnasts In One Central Programme, Michelle A. Saliba
Theses : Honours
Women's elite gymnastics is characterised by subjective and aesthetic judgement and together with increasing technical requirements imposes strict body composition and body image requirements throughout the international gymnastic community. Limited research has been conducted on the younger, smaller, leaner and almost prepubescent gymnasts who now dominate the International arena. The purpose of this study is to provide an understanding of the way in which current and retired elite, female artistic gymnasts perceive their own and the "ideal" gymnast's body image, and to identify factors influencing the development of these perceptions. Nineteen subjects were drawn from one Australian women's artistic gymnastics …
The Effect Of Prolonged Cycling At The Conconi-Predicted Anaerobic Threshold On Blood Lactate Concentrations, Michael John Newton
The Effect Of Prolonged Cycling At The Conconi-Predicted Anaerobic Threshold On Blood Lactate Concentrations, Michael John Newton
Theses : Honours
A study which assessed the validity of the Conconi test to predict the anaerobic threshold (AnT) was undertaken with 20 sport science students. The study involved the subjects undertaking three tests over a one week period. Each test was separated by a period of at least 48 hours which allowed the subjects time to recover. The subjects initially completed a Conconi test which attempted to predict their AnT through plotting heart rate against work intensity. Following the specified recovery, a maximum oxygen uptake test (V02max) was undertaken by all subjects. Following another recovery period those subjects who produced …