5,967 research outputs found

    Short research report : a comparison of emotional intelligence levels between students in experiential and didactic college programs

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    Short Research Report: A Comparison of Emotional Intelligence Levels between Students in Experiential and Didactic College Programspeer-reviewe

    National Rugby League athletes and tendon tap reflex assessment: A matched cohort clinical study

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    BACKGROUND: Limited research suggests elite athletes may differ from non-athletes in clinical tendon tap reflex responses. METHODS: In this matched cohort study, 25 elite rugby league athletes were compared with 29 non-athletes to examine differences in tendon reflex responses. Relationships between reflex responses and lengths of players’ careers were also examined. Biceps, triceps, patellar and Achilles tendon reflexes were clinically assessed. RESULTS: Right and left reflexes were well correlated for each tendon (r(S) = 0.7–0.9). The elite rugby league athletes exhibited significantly weaker reflex responses than non-athletes in all four tendons (p < 0.005). Biceps reflexes demonstrated the largest difference and Achilles reflexes the smallest difference. Moderate negative correlations (r(S) = −0.3–0.6) were observed between reflex responses and lengths of players’ careers. CONCLUSIONS: Future research is required to further elucidate mechanisms resulting in the observed differences in tendon reflexes and to ensure clinical tendon tap examinations and findings can be interpreted appropriately in this athletic population

    Microvesicles as vehicles for tissue regeneration: Changing of the guards

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    Purpose of Review: Microvesicles (MVs) have been recognised as mediators of stem cell function, enabling and guiding their regenerative effects. Recent Findings: MVs constitute one unique size class of extracellular vesicles (EVs) directly shed from the cell plasma membrane. They facilitate cell-to-cell communication via intercellular transfer of proteins, mRNA and microRNA (miRNA). MVs derived from stem cells, or stem cell regulatory cell types, have proven roles in tissue regeneration and repair processes. Their role in the maintenance of healthy tissue function throughout the life course and thus in age related health span remains to be elucidated. Summary: Understanding the biogenesis and mechanisms of action of MVs may enable the development of cell-free therapeutics capable of assisting in tissue maintenance and repair for a variety of age-related degenerative diseases. This review critically evaluates recent work published in this area and highlights important new findings demonstrating the use of MVs in tissue regeneration

    The impact of post 9-11 security measures on small, aspiring and export-dependent maritime states : mixed blessings for the Caribbean

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    Petrology of the Precambrian Rocks of Part of the Monte Largo Area, NM

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    Approximately 7 to 8 square miles of Precambrian rocks are exposed in the vicinity of the Monte Largo Hills in north-central New Mexico. The Precambrian rocks are bounded mainly by Pennsylvanian sedimentary rocks in both fault and noncomformable contact. The area is made up largely of quartz-feldspar gneiss, hornblende gneiss, and quartzite. Quartz-feldspar gneiss is the most abundant rock type. Mica schist and sillimanite hornfels occur in minor amounts. Other Precambrian rocks include medium-grained granite, splite and pegmatite dikes, and quartz veins. A minor amount of migmatite is present as a result of the intimate association of quartz-feldspar gneiss and granite. The metamorphic rocks are believed to have been derived largely from sedimentary rocks. The quartz-feldspar gneiss probably represents and feldspathic sandstone or subgraywacke; the hornblende gneiss, a graywacke; the quartzite, a rather pure quartz sandstone. The Precambrian rocks have been subjected to three types of metamorphism: regional, thermal, and retrograde, in that order. The mineral assemblage hornblende-andesine-quartz in the hornblende gneiss indicates that regional metamorphism is of the almandite-amphibolite facies. Randomly oriented sillimanite in pelitic hornfels is indicative of either the hornblende-hornfels facies or the pyroxene-hornfels facies of thermal metamorphism. Retrograde alteration of biotite to muscovite, mangetite, and chlorite is indicative of the greenschist facies of metamorphism. Sericitization of plagioclase and sillimanite is widespread. There is some evidence that retrograde metamorphism was accompanied by introduction of potassium resulting in the formation of muscovite. The three types of metamorphism are believed to represent one period of metamorphism. It is possible that granitization by the introduction of potassium to form microline has contributed to the formation of the quartz-feldspar gneiss. Alkalic and related rocks younger than the plutonic rocks include a melteigite sill, carbonatite, and a breccia of explosive origin. The melteigite and carbonatite are similar to rocks associated with the alkalic stock at Iron Hill, Colorado. The average strike of the foliation of the metamorphic rocks is northeast and the average dip is about 700 to the southwest
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