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    The effect of an eight week proprioception training programme on knee joint proprioception in taekwondo athletes
    (2013) Arslan F.; Kaya M.; Taşkin H.
    Background: A regular proprioception training programme leads to significant improvement in the proprioceptive ability of athletes. Research subject: The purpose of this study was to investigate the suitability of the knee joint proprioception for active taekwondo athletes and to examine the effects of an eight-week training proprioception programme on knee joint proprioception. Type of study: Randomised controlled trial. Methods: A total of 42 healthy taekwondo athletes participated in this study voluntarily. They were randomly divided into two groups: An experimental group of males (N=13) and females (N=13) undertaking a proprioception training programme and a control group of males (N=8) and females (N=8) who did not undertake the proprioception training programme during the eight-week period. The proprioception training programme was applied to the subjects three days per week for eight weeks. The measurement of the proprioception of subjects was taken using the Multi-joint System Biodex System 3 Pro isokinetic testing. Knee joint proprioception was evaluated twice: before and after the proprioception training programme. Results: After the eight-week proprioception training programme, significant differences were observed in both the dominant (differences of mean 1.76±0.41 for 30° and 2.83±1.52 for 70° in female; 1.86±0.66 for 30° and 2.96±2.4 for 70° in male) and non-dominant (differences of mean 1.99±1.4 for 30° and 2.94±1.16 for 70° in female; 1.67±0.64 for 30° and 4.44±2.89 for 70° in male) knee joint proprioception scores in the experimental group (p < 0.05). It was concluded that the control group did not show any significant differences in either the dominant or non-dominant knee joint (30° and 70°) proprioception scores (p > 0.05). Conclusion: The proprioception training programme improved knee joint proprioception based on the detection of positional sense for female and male taekwondo athletes.
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    Effect of Carboniferous-Triassic rock dust on the Marshall stabilities of Hot Bituminous Mixtures
    (Politecnico di Torino (DIMEAS), 2007) Çelik O.N.; Ceylan S.; Kaya M.
    Hot Bituminous Mixtures are made by mixing the aggregate and bituminous binder at high convenient temperature. Performance of these mixtures is affected mainly by the aggregate types which constitute the main part of the mixture. Aggregate types, gradation, roughness, surface characteristics have effects on the fatigue and rut depth of the mixture. Deformation has occurred on the surface base under traffic loading. Materials used to build the pavement, construction methods and loading patterns are the main factors effecting pavement performance. There are many other factors effecting the pavement performance like binder type and content, fine and coarse aggregate type and content. When any factors mentioned here is not taken into consideration good enough then the yield will be less. It is possible to investigate the effect of each of these factors on the performance and durability of bituminous mixtures. In this work, the effect of Carboniferous-Triassic rock dust as a filler on the Marshall stabilities of HBM is investigated. Service life can be increased by the modification of mixture. Thus, the maintenance period can be reduced. Literature review has shown that the researches on modification of bituminous binder by chemical compound are more frequent then the modification of mixture. There are some researches about the effect of mineral filler on the properties of HBM like fatigue life and plastic deformation. Therefore, as bituminous researcher indicated new investigations conducted on the effect of mineral filler on the properties of mixture are under consideration.