1,032 research outputs found

    Library Monthly - February 2018

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    In this issue: 10th Annual Published Faculty Reception Nominate Students\u27 Best Papers for Our 3rd Annual Student Research Award! Lynn Library\u27s Creative Writing Contest Library Usage Fantastic Library Assistants Masterclass: Learning Through Observation 7 Amazing and Totally Free Things You Can Do on the Library Websitehttps://spiral.lynn.edu/libpubs/1013/thumbnail.jp

    Impact of Cardiorespiratory Fitness on Markers of Cardiovascular Disease in Professional Firefighters

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    Higher cardiorespiratory fitness (CRF) levels (V̇O2max) are associated with lower oxidative stress and inflammatory markers in addition to lower cardiovascular disease (CVD) risk; however, there are a lack of data examining this relationship among firefighters. CVD is the leading cause of mortality among firefighters and correlates with low CRF. PURPOSE: To examine differences in markers of CVD risk between firefighters classified as having either high or low levels of CRF. METHODS: Forty-six professional firefighters performed a maximal graded exercise test (GXT; Bruce Protocol), where V̇O2max was estimated from the Foster equation using time to exhaustion. Fasted blood samples were also taken to assess traditional and non-traditional biomarkers of CVD risk: HDL, LDL, glucose, cholesterol, triglycerides, advanced oxidation protein products (AOPP), homeostatic model assessment for insulin resistance (HOMA-IR) and C-reactive protein (CRP). Body fat percentage (BF%) was determined via Dual-Energy X-Ray Absorptiometry (DEXA),V̇O2max values were categorized based on American College of Sports Medicine (ACSM) guidelines to establish a high fitness group (n=19; V̇O2max = 44.7 ± 5.2 ml·kg-1·min-1; age = 35.94 ± 9.73 yrs; height = 178.86 ± 7.28 cm; waist circumference = 35.5 ± 2.73 cm; BF% = 19.9 ± 2.66) and a low fitness group (n=27; V̇O2max = 28.2 ± 4.9ml·kg-1·min-1; age = 38.5 ± 9.33 yrs; height = 179.21 ± 8.48 cm; waist circumference = 40.06 ± 4.29 cm; BF% = 27.2 ± 5.07). Non-parametric Mann-Whitney U tests were used to assess differences in CVD risk markers between the high and low fitness groups. Effect sizes were calculated as Cohen’s d (i.e., small [0.2-0.5], medium [0.5-0.8], large [\u3e 0.8]). RESULTS: Participants classified as high fitness had significantly (p \u3c 0.05) higher V̇O2max and HDL concentrations coupled with significantly lower BF%, cholesterol, triglycerides, LDL, insulin, HOMA-IR, CRP, and AOPP. Half of the observed differences demonstrated a medium effect size (LDL, insulin, HOMA-IR, CRP, and AOPP), while large effect sizes were noted for V̇O2max, BF%, cholesterol, triglycerides, HDL, LDL/HDL risk ratio. CONCLUSION: The high fitness group exhibited lower CVD risk levels and higher HDL levels compared to the low fitness group. Considering the results, firefighters are encouraged to maintain high CRF as well as lower BF% in an effort to reduce the risk of CVD and on-duty cardiac events

    Library Monthly - September 2016

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    In this issue: We\u27re Here to Help You! New Library Resources Don\u27t Cancel Class Initiative Where is Mozart? Solving the Textbook Problem Welcome, Hunter Murphy! New and Improved Juvenile Collectionhttps://spiral.lynn.edu/libpubs/1007/thumbnail.jp

    Library Monthly - February 2017

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    In this issue: How to Tell the Truth: Teaching Your Students How to Recognize Fake News Nominate Best Student Papers: Undergraduate and Graduate Awards Available New Librarian Alert! University Archivist and Records Manager: Lea Iadarola Sneak Peek Project to Showcase Lynn-Authored iBooks A Job Interview for Orchestral Musicians Lynn Library\u27s Inaugural Creative Writing Contest Excerpts from the United States Copyright Office on Fair Use Library Humorhttps://spiral.lynn.edu/libpubs/1009/thumbnail.jp

    Library Monthly - October 2017

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    In this issue: Library Renovation Update Finding Statistics and Demographics A New Approach to Information Literacy New Archiving Tools in the Library The Importance of Being Urtext Library Updates and News A Few Changes This Semester Course Reserves at the Library INFOshop at the Library Events and Programshttps://spiral.lynn.edu/libpubs/1012/thumbnail.jp

    Library Monthly - May 2018

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    In this issue: Call for iBook Proposals The Social Impact Challenge Almost Like Magic: Farewell to Four Amazing Students Summer Music Festivals Nature and the Great Outdoors on the Library Website Invitation to Speak at the Library A Special Thank You To: All Presenters During Fall 2017 and Spring 2018 All Good Things Must Come to an End: The End of an Era with Mathew Avila Activate Your Complimentary Wall Street Journal Membershiphttps://spiral.lynn.edu/libpubs/1015/thumbnail.jp

    Library Monthly - May 2017

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    In this issue: A Salute to Our Graduating Seniors Library Survey Results Musicians and Injuries Evaluating Websites New Librarian Alert! Late Night Circulation Assistant Marisha Kellyhttps://spiral.lynn.edu/libpubs/1010/thumbnail.jp

    Predictors of Cardiometabolic Disease Risk Factors in Professional Firefighters

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    The leading cause of mortality (~50% of deaths) among on-duty firefighters is sudden cardiac death. Firefighters with adequate cardiorespiratory fitness levels (among other muscular fitness metrics) and lower body fat percentage (BF%) are likely to better combat on-duty cardiac events and cardiovascular disease (CVD) risk. Individuals with higher VO2max values may be at lower risk noted by lower oxidative stress and inflammatory biomarkers, which may be more ideal predictors of CVD risk compared to traditional biomarkers (i.e., blood glucose and lipids) among the fire community; however, more research is needed to elucidate. PURPOSE: This study examined the relationship between fitness metrics, body fat percentage, and traditional and non-traditional biomarkers among professional firefighters. METHODS: Ninety-eight professional, male firefighters (age = 36.26 ± 9.08 yrs; height = 179.53 ± 7.06 cm; waist circumference = 37.99 ± 4.13 cm; BF% = 24.39 ± 5.21; years of experience = 11.81 ± 8.00 yrs) from a local fire department were studied VO2max was estimated from total treadmill exercise time using the Foster equation.. Fitness metrics including muscular strength, endurance, and power variables were also measured. Fasted blood samples were analyzed for concentrations of lipids, glucose, insulin resistance (HOMA-IR), advanced oxidation protein products (AOPP), and ultra-sensitive C-reactive protein (CRP). To assess the relationship between fitness metrics and AOPP, CRP, and HOMA-IR, ordinary least square regression analyses were used. RESULTS: VO2max values were inversely (p \u3c 0.05) related to AOPP, HOMA-IR, and CRP. Waist circumference was positively correlated to AOPP concentrations and HOMA-IR, while increased BF% was significantly related to increased CRP concentrations. CONCLUSION: High VO2max values were significantly related to lower AOPP, CRP, and HOMA-IR. Additionally, high waist circumference and BF% values were related to increases in oxidative stress, inflammation, and insulin resistance. Firefighters are encouraged to maintain high cardiorespiratory fitness (VO2max) and lower BF% to reduce CVD and, ultimately, on-duty sudden cardiac death risk

    Library Quarterly - September 2018

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    In this issue: Meet Your Librarians Meet Jason Anfinsen Mission Impossible: Acing APA Citing Materials from Canvas Digital Press Calls for Proposals Harvard Business Review for Coursework Essential Resources from the Music Library Lynn University Archives (Part One) An Ode to Creativity Language Cafe SIMA Classroom Upcoming Eventshttps://spiral.lynn.edu/libpubs/1016/thumbnail.jp
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