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Theses and dissertations (Health Sciences)

Permanent URI for this collectionhttp://ir-dev.dut.ac.za/handle/10321/12

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    Determining the normative value of the Functional Movement Screen™ in weightlifters in participating gyms within the eThekwini municipality, and its association to injury
    (2021-12-01) Singh, Shaista; Sobuwa, Simpiwe; Bruijns, Stevan
    Background: Weightlifting is an increasing popular form of fitness. Weightlifters train exceptionally hard in their daily training regimes, as well as for competitions. Despite the popularity of this high intensive and explosive training, there is no normative value determined for weightlifters in the eThekwini Municipality, South Africa, to compare themselves against and track their progress or regression or to use as a benchmark when beginners adopt a new training programme. The Functional Movement Screen (FMS™) is a pre-participation assessment which analyses the movements of its participants according to seven exercises, which form the basics of fundamental movement patterns. This assessment allows an analysis of dysfunctional movement patterns to be identified. Aims: The aim of this study has been to assess weightlifters according to the Functional Movement Screen™ (FMS™), to determine a normative value and examine their FMS™ score in relation to prior injury or musculoskeletal dysfunction. Methods: The methodology of this study included assessing 89 weightlifters from participating gym on the FMS™ in order to achieve a normative score of weightlifters within the eThekwini Municipality. Thereafter, participants were contacted telephonically and asked to provide information about their age, height, weight, number of years training, and an injury profile, including how long ago any injury occurred, how long the injury took to heal, the severity of the injury according to the pain rating numerical scale and what form of treatment they received for their injury. The mean FMS™ was then determined for the weightlifters within the eThekwini Municipality and an analysis was made between FMS™ score and injury sustained to determine whether the FMS™ is able to predict injury in this population. Results: The sample population of 89 revealed that the mean FMS™ score for weightlifters in participating gyms within the eThekwini Municipality is 13.88 out of 21. There is no correlation made between FMS™ score and injury and therefore there is no association to injury and FMS™ score in this sample population. There are significant findings in the scoring of the FMS™ exercises showing that weightlifters adapt their own lifting technique in order to lift their desired weight at the velocity expected. The most common recorded injuries are to the shoulder, followed by the knee. The most common injury sustained is musculature in nature and the most common treatment received for injury was physiotherapy. Conclusion: The normative value for weightlifters in participating gyms within the eThekwini Municipality is 13.88 out of 21 for the FMS™. It has been established that weightlifters deviate from the ideal movement pattern to develop stability and strength to lift their desired weights at explosive outputs. There was no link found between FMS™ score and injury and no correlation made between age, height, weight and number of years training and the FMS™ score.
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    An investigation into normative values for the Functional Movement Screen?(FMS?) and its association to injury in female premier league hockey players in KwaZulu-Natal
    (2015-03-04) Jooste, Anneke; Gomes, Adrian Neil; Korporaal, Charmaine Maria
    Background The Functional Movement Screen (FMSTM) is a pre-participation screen consisting of seven tests that rate a player’s functional movement. The screen may be used as an indicator for injury susceptibility in sports people. This may be implemented for preventative measures and improving or sustaining performance in sport. Objectives This research aimed to identify normative values on the FMSTM for female premier league hockey players and assess the association between FMSTM scores and incidence of seasonal injuries. Secondary to this, the research also undertook to assess dependence of the FMSTM on other risk factors identified in the study such as age, number of years playing hockey, height, weight, BMI and position. These risk measures were also tested for association to injury susceptibility. Method The research evaluated the FMSTM score in female premier league hockey players in KwaZulu-Natal prior to the commencement of the competitive season and then tracked the incidence, frequency and distribution of injuries that were sustained during the season. All nine teams in the KwaZulu-Natal female premier hockey league were approached and the players voluntarily participated provided that they fitted the inclusion criteria. In total 74 players between the ages of 18 and 35 were assessed. SPSS version 20 was used in the data analysis to test for statistical significance of the results. Results and conclusions The research sample revealed a mean FMSTM score of 14.39 with a standard deviation of 2.4. The difference in average FMSTM score between the 18 players who sustained non-contact injuries during the course of the season and the 56 players who did not was shown to not be statistically significant at a 95% confidence level. Therefore, this research shows that no association can be made between a low score on the Functional Movement ScreenTM and injury susceptibility. The FMSTM score was shown to be an independent metric when compared to the other injury risk measures identified in the study and the other risk measures were also found to not reliably indicate injury susceptibility. Having said this, the association of weight, FMSTM and BMI with injury susceptibility warrants further investigation as these measures indicated a degree of association.
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    The relationship between postural stability sway, balance, and injury in adolescent female soccer players in the eThekwini district of KwaZulu-Natal
    (2014-07-24) Koenig, Jean-Pierre; Puckree, Threethambal
    Background: Poor balance is a risk factor for injury in adolescent sport including soccer. Despite the rapid growth in female adolescent soccer especially in South Africa, the association between balance and injury in this population has not been fully explored. This study aimed to determine the relationship between injury and balance. Static and dynamic balance was monitored as sway index (SI) and limits of stability direction control (LOSDC). Objectives: The objectives of this study were to determine the body mass index of adolescent female soccer players; to determine the prevalence of injury in adolescent female soccer players; to determine static balance as revealed by the sway index (SI); to determine dynamic stability as revealed by limits of stability direction control (LOSDC) and to correlate body mass index (BMI) to sway index and limits of stability. Method: Eighty adolescent female soccer players, between the ages of fourteen and eighteen, were recruited through convenience sampling from schools in the eThekwini district of KwaZulu-Natal. After obtaining informed consent and assent, participants completed questionnaires and were scheduled for the balance and BMI assessments. The objective data for each participant consisted of height, weight, Sway Index (SI) and Limits of Stability Direction Control (LOSDC) readings, measured using a stadiometer, electronic scale and Biodex Biosway Balance System (Biodex Medical Systems Inc., Shirley, New York) respectively. The subjective and objective data were analyzed using SPSS version 21.0 (SPSS Inc. Chicago, Ill, USA). Statistical tests included descriptive statistics using frequency and cross-tabulation. Inferential statistics using t-tests and Pearson’s correlations at a significance level of 0.05 was also incorporated. The testing of hypotheses was performed using Fisher’s Exact tests for nominal data and ordinal data. A p value of < 0.05 was considered as statistically significant. The statistical analysis also included Odds Ratio calculations. Results: The mean body mass index of the injured participants was 23.54±3.56 kg/m2 and the mean body mass index of the uninjured participants was 23.00±4.63. Only 27.5% of the participants sustained an injury. Injured participants performed poorly on average in the SI assessment involving their eyes open when standing on a soft surface. The results were similar for the LOSDC in the overall, right, left, backward-right and backward-left directions. However, there were no significant correlations calculated. Significant relationships existed between BMI and the SI assessments in the injured participants which involved standing on a firm surface with their eyes open (p = 0.05), their eyes closed when also standing on a firm surface (p = 0.05), their eyes open when standing on a soft surface (p = 0.02), and their eyes closed when standing on a soft surface (p = 0.04). A significant relationship also existed between BMI and LOS right direction control (p = 0.02). Conclusion: This research paper revealed that the body mass index as investigated in this study is similar to other studies involving female adolescents; soccer injury as investigated in this study is similar to other studies involving female adolescents; poor static and dynamic balance is not associated with injury in adolescent female soccer players and lastly, body mass index is linked to the balance of an individual.