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https://www.readbyqxmd.com/read/29475208/resistance-training-threshold-for-elevating-bone-mineral-density-in-growing-female-rats
#1
Azriel D Dror, Katie Virk, Kassandra Lee, Aaron Gerston, Anuradha Prakash, Marcia J Abbott, S Victoria Jaque, Ken D Sumida
The purpose of this study was to determine the minimum amount of resistance exercise that would stimulate bone formation yielding an elevation in bone mineral density (BMD) during the growth period in female rats. Female rats were randomly divided into: Control (Con, n=8), 3 ladder climb resistance-trained group (3LC, n=8), 4 ladder climb resistance-trained group (4LC, n=8), 5 ladder climb resistance-trained group (5LC, n=8), and 6 ladder climb resistance-trained group (6LC, n=8). All exercised groups were conditioned to climb a vertical ladder with weights appended to their tail 3 days/wk for a total of 6 wks...
February 23, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29470804/effects-of-physical-exercise-on-breast-cancer-related-secondary-lymphedema-a-systematic-review
#2
REVIEW
F T Baumann, A Reike, V Reimer, M Schumann, M Hallek, D R Taaffe, R U Newton, D A Galvao
PURPOSE: The aim of this systematic review is to assess the effect of different types of exercise on breast cancer-related lymphedema (BCRL) in order to elucidate the role of exercise in this patient group. METHODS: A systematic data search was performed using PubMed (December 2016). The review is focused on the rehabilitative aspect of BCRL and undertaken according to the PRISMA statement with Levels of Evidence (LoE) assessed. RESULTS: 11 randomized controlled trials (9 with LoE 1a and 2 with LoE 1b) that included 458 women with breast cancer in aftercare were included...
February 22, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29468132/does-low-volume-high-intensity-interval-training-elicit-superior-benefits-to-continuous-low-to-moderate-intensity-training-in-cancer-survivors
#3
Kellie Toohey, Kate Pumpa, Andrew McKune, Julie Cooke, Katrina D DuBose, Desmond Yip, Paul Craft, Stuart Semple
AIM: To determine the impact of low volume high-intensity interval training (LVHIIT) and continuous low to moderate-intensity exercise training (CLMIT) on cardiovascular disease (CVD) risk and health outcomes in cancer survivors. METHODS: Sedentary cancer survivors ( n = 75, aged 51 ± 12 year) within 24 months of diagnosis, were randomised into three groups for 12 wk of LVHIIT ( n = 25), CLMIT ( n = 25) or control group ( n = 25). The exercise intervention involved 36 sessions (three sessions per week)...
February 10, 2018: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29464883/high-intensity-interval-training-improves-acute-plasma-volume-responses-to-exercise-that-is-age-dependent
#4
Georges Jabbour, Horia-Daniel Iancu, Hassane Zouhal, Pascale Mauriège, Denis R Joanisse, Luc J Martin
Plasma volume (PV) is affected by several factors including age, physical training and, acutely, by exercise intensity. The purpose of this study was to investigate the effects of 6 weeks of high-intensity interval training (HIT) on PV and blood pressure (BP) changes among sedentary individuals. Thirty subjects aged between 18 and 71 years [body mass index=30.1(1.2) kg/m2 ] completed a 6-weeks HIT program. Anthropometric and fitness variables were obtained at pre- and post- HIT. PV variations during warm-up and after supramaximal cycling test (SCT) were calculated using two methods based on Hematocrit (Ht) and Hemoglobin (Hb) measures...
February 2018: Physiological Reports
https://www.readbyqxmd.com/read/29461398/what-is-important-besides-getting-the-bone-to-heal-impact-on-tissue-injury-other-than-the-fracture
#5
Michael J Gardner, Thomas A Higgins, William H Harvin, James P Stannard, Mark A Lee, Brett D Crist
Fracture surgeons do a great job of managing bone issues, but they may overlook the associated soft tissue injuries that play a significant role in the final outcome after musculoskeletal injury. The soft tissue reconstruction ladder can help guide reconstructive procedures based on the least complex procedure that allows the best chance of fracture healing. Muscle injury, volume loss, and deconditioning occur with traumatic injury and during the recovery phase. Neuromuscular stimulation, nutrition, and strength training are potential ways to aid in recovery...
March 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29457371/validation-of-a-blood-marker-for-plasma-volume-in-endurance-athletes-during-a-live-high-train-low-altitude-training-camp
#6
Louisa M Lobigs, Laura A Garvican-Lewis, Victor L Vuong, Nicolin Tee, Christopher J Gore, Peter Peeling, Brian Dawson, Yorck O Schumacher
Altitude is a confounding factor within the Athlete's Biological Passport (ABP) due, in part, to the plasma volume (PV) response to hypoxia. Here, a newly developed PV blood test is applied to assess the possible efficacy of reducing the influence of PV on the volumetric ABP markers; hemoglobin concentration ([Hb]) and the OFF-score. Endurance athletes (n=34) completed a 21 night simulated live high: train low protocol (14h.d-1 at 3000m). Bloods were collected twice pre-altitude, at days 3, 8 and 15 at altitude and 1, 7, 21 and 42 days post-altitude...
February 19, 2018: Drug Testing and Analysis
https://www.readbyqxmd.com/read/29453235/a-workforce-survey-on-developmental-behavioral-pediatrics
#7
Carolyn Bridgemohan, Nerissa S Bauer, Britt A Nielsen, Anne DeBattista, Holly S Ruch-Ross, Linda B Paul, Nancy Roizen
BACKGROUND AND OBJECTIVES: Developmental-behavioral conditions are common, affecting ∼15% of US children. The prevalence and complexity of these conditions are increasing despite long wait times and a limited pipeline of new providers. We surveyed a convenience sample of the developmental-behavioral pediatric (DBP) workforce to determine current practices, workforce trends, and future needs. METHODS: An electronic survey was e-mailed to 1568 members of the American Academy of Pediatrics Section on Developmental and Behavioral Pediatrics and Council on Children with Disabilities, the Society for Developmental and Behavioral Pediatrics, and the National Association of Pediatric Nurse Practitioners Developmental and Behavioral Mental Health Special Interest Group...
February 16, 2018: Pediatrics
https://www.readbyqxmd.com/read/29448900/provision-of-surgical-care-in-ethiopia-challenges-and-solutions
#8
Caitrin M Kelly, Nichole Starr, Nakul P Raykar, Rachel R Yorlets, Charles Liu, Miliard Derbew
With the lowest measured rate of surgery in the world, Ethiopia is faced with a number of challenges in providing surgical care. The aim of this study was to elucidate challenges in providing safe surgical care in Ethiopia, and solutions providers have created to overcome them. Semi-structured interviews were conducted with 10 practicing surgeons in Ethiopia. Following de-identification and immersion into field notes, topical coding was completed with an existing coding manual. Codes were adapted and expanded as necessary, and the primary data analyst confirmed reproducibility with a secondary analyst...
February 15, 2018: Global Public Health
https://www.readbyqxmd.com/read/29446086/subchondral-bone-morphology-in-the-metacarpus-of-racehorses-in-training-changes-with-distance-from-the-articular-surface-but-not-with-age
#9
Sandra Martig, Peta L Hitchens, Mark A Stevenson, R Chris Whitton
The repetitive large loads generated during high-speed training and racing commonly cause subchondral bone injuries in the metacarpal condyles of racehorses. Adaptive bone modelling leads to focal sclerosis at the site of highest loading in the palmar aspect of the metacarpal condyles. Information on whether and how adaptive modelling of subchondral bone changes during the career of a racehorse is sparse. The aim of this cross-sectional study was to describe the changes in subchondral bone micromorphology in the area of highest loading in the palmar aspect of the metacarpal condyle in thoroughbred racehorses as a function of age and training...
February 15, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29427813/life-after-the-neurosurgical-ward-in-subsaharan-africa-neurosurgical-treatment-and-outpatient-outcomes-in-uganda
#10
Linda W Xu, Silvia D Vaca, Juliet Nalwanga, Christine Muhumuza, Daniel Vail, Benjamin J Lerman, Joel Kiryabwire Surg, Hussein Ssenyonjo, John Mukasa, Michael Muhumuza, Michael M Haglund, Gerald Grant
BACKGROUND: In the past decade, neurosurgery in Uganda experienced increasing surgical volume and a new residency training program. While research has examined surgical capacity, minimal data exists on the patient population treated by neurosurgery and their eventual outcomes in sub-Saharan Africa. METHODS: Patients admitted to Mulago National Referral Hospital neurosurgical ward over two years (2014 and 2015) were documented in a prospective database. 1167 were discharged with documented phone numbers, thus eligible for follow-up...
February 7, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29427565/intensified-training-increases-salivary-free-light-chains-in-trained-cyclists-indication-that-training-volume-increases-oral-inflammation
#11
Jennifer L J Heaney, Sophie C Killer, Ida S Svendsen, Michael Gleeson, John P Campbell
Periods of short-term intensified training (IT) are often used by athletes during training cycles over the season and undergoing phases of increased physical stress may impact upon the immune system. This study investigated the effects of a period of IT on free light chains (FLCs) in saliva - an emerging immune biomarker of oral inflammation - and matched serum samples in well-trained athletes. It also examined if IT influences basal FLC levels and FLC flux during acute exercise. Highly trained male cyclists (n = 10) underwent a 9-day period of IT; before and after IT participants performed a 1 h time trial (TT) on a cycle ergometer, with blood and saliva samples collected pre- and post-exercise...
February 7, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29427511/cardiorespiratory-fitness-not-sedentary-time-or-physical-activity-is-associated-with-cardiometabolic-risk-in-active-older-adults
#12
Ross D Pollock, Niharika A Duggal, Norman R Lazarus, Janet M Lord, Stephen D R Harridge
Sedentary time (ST) and moderate to vigorous physical activity (MVPA) are associated with cardiometabolic health. Cardiorespiratory fitness (CRF) is also implicated but often overlooked in health recommendations. This study assessed the relationships between ST, MVPA, CRF and cardiometabolic health in highly active older individuals. 125 healthy amateur cyclists aged 55 to 79 years had their ST and MVPA levels assessed by actigraphy over a 7 day period. CRF was assessed using a maximal effort cycle ergometry test to determine VO2max with results normalised to both body mass and fat free mass measured by DXA...
February 10, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29427220/female-adolescent-elite-handball-players-are-more-susceptible-to-shoulder-problems-than-their-male-counterparts
#13
Martin Asker, Lena W Holm, Henrik Källberg, Markus Waldén, Eva Skillgate
PURPOSE: Shoulder problems are frequent among senior elite handball players. The objective of this study was to assess the prevalence of shoulder problems among adolescent elite handball players and to investigate potential differences in gender, school grade, playing position and playing level. METHODS: During the 2014 and 2015 pre-season periods, 471 players (age 15-18 years, 54% female) completed a comprehensive baseline questionnaire regarding history of any shoulder pain and shoulder problems experienced during the past season...
February 10, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29425367/a-rapid-handheld-device-to-assess-respiratory-resistance-clinical-and-normative-evidence
#14
Aaron B Holley, Wesley D Boose, Michael Perkins, Karen L Sheikh, Nancy P Solomon, Angela M Dietsch, Jafar Vossoughi, Arthur T Johnson, Jacob F Collen
Introduction: Following reports of respiratory symptoms among service members returning from deployment to South West Asia (SWA), an expert panel recommended pre-deployment spirometry be used to assess disease burden. Unfortunately, testing with spirometry is high cost and time-consuming. The airflow perturbation device (APD) is a handheld monitor that rapidly measures respiratory resistance (APD-Rr) and has promising but limited clinical data. Its speed and portability make it ideally suited for large volume pre-deployment screening...
February 7, 2018: Military Medicine
https://www.readbyqxmd.com/read/29424273/neuromuscular-physiology-exercise-and-training-during-youth-the-year-that-was-2017
#15
David G Behm
The pressure for children to excel and succeed in sport continues to mount. Although resistance training for youth was in disfavor by many organizations even into the early 21st century, children's training programs are more closely resembling the volume and intensity of adult programs. The physiological maturation of adolescent youth may impact their response to advanced training programs. Furthermore, the pressure to specialize in specific sports rather than engage in a variety of sporting activities may affect not only training responses but also injury incidence...
February 9, 2018: Pediatric Exercise Science
https://www.readbyqxmd.com/read/29422868/relationship-between-aortic-compliance-and-impact-of-cerebral-blood-flow-fluctuation-to-dynamic-orthostatic-challenge-in-endurance-athletes
#16
Tsubasa Tomoto, Tomoko Imai, Shigehiko Ogoh, Seiji Maeda, Jun Sugawara
Aorta effectively buffers cardiac pulsatile fluctuation generated from the left ventricular (LV) which could be a mechanical force to high blood flow and low-resistance end-organs such as the brain. A dynamic orthostatic challenge may evoke substantial cardiac pulsatile fluctuation via the transient increases in venous return and stroke volume (SV). Particularly, this response may be greater in endurance-trained athletes (ET) who exhibit LV eccentric remodeling. The aim of this study was to determine the contribution of aortic compliance to the response of cerebral blood flow fluctuation to dynamic orthostatic challenge in ET and age-matched sedentary (SED) young healthy men...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29422741/cardiopulmonary-and-metabolic-effects-of-yoga-in-healthy-volunteers
#17
T Satheesh Divya, M T Vijayalakshmi, K Mini, K Asish, M Pushpalatha, Varun Suresh
Background: Yoga the spiritual union of mind with the divine intelligence of the universe aims to liberate a human being from conflicts of body-mind duality. Beneficial cardiovascular and pulmonary effects of yoga are in par with aerobic exercise, even amounting to replace the exercise model. We conducted an interventional study in healthy volunteers, to analyze the impact of short-term yoga training on cardiovascular, pulmonary, autonomic function tests, lipid profile, and thyroid function tests...
September 2017: International Journal of Yoga
https://www.readbyqxmd.com/read/29420058/athletic-training-student-core-competency-implementation-during-patient-encounters
#18
Julie M Cavallario, Bonnie L Van Lunen, Johanna M Hoch, Matthew Hoch, Sarah A Manspeaker, Shana L Pribesh
CONTEXT: Health care research evidence suggests that early patient encounters (PEs), as well as the purposeful implementation of professional core competencies (CCs), for athletic training students (ATSs) may be beneficial to their ability to provide care. However, no investigators have related facets of the clinical education experience with CC implementation as a form of summative assessment of the clinical experience. OBJECTIVE: To determine the relationship between the frequency and length of PEs, as well as the student's role and clinical site during PEs, and the students' perceived CC implementation during these encounters...
February 8, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29419402/deep-learning-in-neuroradiology
#19
REVIEW
G Zaharchuk, E Gong, M Wintermark, D Rubin, C P Langlotz
Deep learning is a form of machine learning using a convolutional neural network architecture that shows tremendous promise for imaging applications. It is increasingly being adapted from its original demonstration in computer vision applications to medical imaging. Because of the high volume and wealth of multimodal imaging information acquired in typical studies, neuroradiology is poised to be an early adopter of deep learning. Compelling deep learning research applications have been demonstrated, and their use is likely to grow rapidly...
February 1, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29417962/development-and-testing-of-a-novel-micro-raman-probe-and-application-of-calibration-method-for-the-quantitative-analysis-of-microfluidic-nitric-acid-streams
#20
Gilbert L Nelson, Amanda M Lines, Amanda J Casella, Job M Bello, Samuel A Bryan
To simplify and improve the safety of reprocessing used nuclear fuel, an initial assessment was made of Raman microscopy applied to microfluidic volumes with a view toward the on-line spectroscopic measurement of highly radioactive solutions. This study compares a microscopic Raman probe (excitation focal point diameter 70 μm) to a larger, well studied probe (excitation focal point diameter 125 μm) used in prior investigations. This was done by chemometrically modeling and predicting concentrations of HNO3 solutions (0 M to 8 M) as they flowed through microfluidic cells based upon spectra from each probe...
February 8, 2018: Analyst
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