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Post-exercise cryotherapy treatments are typically short duration interventions. This study examined the efficacy of prolonged cooling using phase change material (PCM) on strength loss and pain after eccentric exercise. Eight adults performed 120 bilateral eccentric quadriceps contractions (90% MVC). Immediately afterwards, frozen PCM packs (15°C) were placed over the quadriceps, with room temperature PCM packs on the contralateral quadriceps. Skin temperature was recorded continually (6 h PCM application). Isometric quadriceps strength and soreness were assessed before, 24, 48, 72 and 96 h post-exercise. The protocol was repeated 5 months later, with room temperature PCM applied to both legs. There were three treatments: legs treated with 15°C PCM packs (direct cooling), legs treated with room temperature PCM packs contralateral to the 15°C PCM packs (systemic cooling), and legs tested 5 months later both treated with room temperature PCM packs (control). Skin temperature was 9°C–10°C lower with direct cooling versus systemic cooling and control (P < 0.01). Strength loss and soreness were less (P < 0.05) with direct cooling versus systemic cooling and control (strength 101%, 94%, 93%, respectively; pain 1.0, 2.3, 2.7, respectively). Six hours of PCM cooling was well tolerated and reduced strength loss and pain after damaging exercise. 相似文献
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Kulthida Tuamsuk Kanyarat Kwiecien Jutharat Sarawanawong 《International Information and Library Review》2013,45(3-4):94-107
AbstractThis research was aimed at developing a university library management model that would support students’ learning. The research was conducted in three phases: 1) an investigation into the requirements of a university library service of instructors; 2) an investigation into the attitudes of librarians, libraries’ administrators, and university’s administrators toward the roles of library and policy concepts relating to university library management that promote students’ learning; and 3) the development of a university library management model for students’ learning support. A mixed research method was applied comprising qualitative and quantitative approaches. Data was collected using in-depth interviews and questionnaires. The findings have led to a proposal of a university library management model that supports student learning, which is comprised of five components: 1) management policy and system; 2) learning resources; 3) learning support services; 4) learning environments; and 5) the competency and roles of information professionals. It can be stated that studies into Thai university library implementation, strategic plans, and self-assessment reports under the quality assurance system showed that even though libraries have updated resources and services following changing situations in policies, technologies, and users’ needs, there is no clear indicator that Thai university libraries have any strategy for acquiring roles to support students’ learning with practical outcomes. Through reliable research work, this study into a model for university library management would result in a means of developing university libraries that truly supports university student learning based on information from instructors, library administrators, and librarians. 相似文献
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Thai, a tonal language, has its own distinctive alphabetic orthography. The study investigates reading and spelling development
in Thai children, with an aim of examining the grain size that is predominantly used when reading and spelling. Furthermore,
word and nonword lists were developed to examine the acquisition of the complex system of vowels and tone rules in Thai. Reading
and spelling of words and nonwords were assessed in 60 Thai children ranging in age from 7 to 9 years 8 months from Grade(s)
1, 2, and 3. A lexicality effect was found for both reading and spelling. Spelling lagged behind reading in the Grade 1 children.
Development rapidly increased between the youngest Grade 1 children and the older Grade 2 and 3 children. For word reading
there were significantly more lexical errors than phonological errors. Beginning readers appear to predominantly use a larger
lexico-syllabic grain size to read Thai. 相似文献
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Sriwisathiyakun Kanyarat Dhamanitayakul Chawaporn 《Education and Information Technologies》2022,27(5):6251-6271
Education and Information Technologies - Intelligent conversational agents have been implemented as virtual assistants in mobile applications to facilitate, engage, and interact with users for... 相似文献
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