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https://www.readbyqxmd.com/read/28730863/non-operative-management-of-ulnar-collateral-ligament-injuries-in-the-throwing-athlete
#1
Mia Smucny, Robert W Westermann, Matthew Winters, Mark S Schickendantz
Medial ulnar collateral ligament (UCL) injuries have become increasingly prevalent in overhead athletes. The orthopaedic literature contains a wealth of information on operative management of these injuries. However, there are few high-quality longitudinal studies on non-operative care of UCL injuries. The purpose of this review is to describe the non-operative approach to managing UCL injuries, including recommended rehabilitation strategies and predictors of successful non-operative treatment.
July 21, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28730294/two-year-follow-up-study-of-subchondral-surface-irregularities-of-the-capitellum-on-ultrasonography-in-baseball-players-under-the-age-of-10-years
#2
Toshiyuki Iwame, Tetsuya Matsuura, Naoto Suzue, Shunsuke Tamaki, Kenji Yokoyama, Koichi Sairyo
OBJECTIVE: To determine whether subchondral surface irregularities of the capitellum on ultrasonography in baseball players under the age of 10 years are indicative of early osteochondritis dissecans (OCD) of the capitellum. MATERIALS AND METHODS: A total of 321 players aged 6-9 years underwent ultrasonographic examination, and the findings for the subchondral bone of the capitellum on the throwing side were graded as 0, 1a, 1b, 2, or 3. Subjects classified as grade 1a or 1b showed irregularities of the subchondral bone surface and were investigated radiographically for OCD...
July 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28729808/paleoseismic-study-of-the-kamishiro-fault-on-the-northern-segment-of-the-itoigawa-shizuoka-tectonic-line-japan
#3
Aiming Lin, Mikako Sano, Maomao Wang, Bing Yan, Di Bian, Ryoji Fueta, Takashi Hosoya
The Mw 6.2 (Mj 6.8) Nagano (Japan) earthquake of 22 November 2014 produced a 9.3-km long surface rupture zone with a thrust-dominated displacement of up to 1.5 m, which duplicated the pre-existing Kamishiro Fault along the Itoigawa-Shizuoka Tectonic Line (ISTL), the plate-boundary between the Eurasian and North American plates, northern Nagano Prefecture, central Japan. To characterize the activity of the seismogenic fault zone, we conducted a paleoseismic study of the Kamishiro Fault. Field investigations and trench excavations revealed that seven morphogenic paleohistorical earthquakes (E2-E8) prior to the 2014 Mw 6...
2017: Journal of Seismology
https://www.readbyqxmd.com/read/28728857/-rosacea-new-data-for-better-care
#4
B Cribier
In the last 10 years, numerous studies have been published that throw new light on rosacea, in all areas of the disease. This overview summarises all the key developments, based on the indexed bibliography appearing in Medline between 2007 and 2017. Recent epidemiological data show that the prevalence of the disease is doubtless greater than estimated hitherto (more than 10% of adults in some countries) and that we should not overlook rosacea in subjects with skin phototypes V or VI, a condition that exists on all continents...
July 17, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28728471/implementing-technical-refinement-in-high-level-athletics-exploring-the-knowledge-schemas-of-coaches
#5
Philip E Kearney, Howie J Carson, Dave Collins
This paper explores the approaches adopted by high-level field athletics coaches when attempting to refine an athlete's already well-established technique (long and triple jump and javelin throwing). Six coaches, who had all coached multiple athletes to multiple major championships, took part in semi-structured interviews focused upon a recent example of technique refinement. Data were analysed using a thematic content analysis. The coaching tools reported were generally consistent with those advised by the existing literature, focusing on attaining "buy-in", utilising part-practice, restoring movement automaticity and securing performance under pressure...
July 21, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28727643/improving-early-adolescent-girls-motor-skill-a-cluster-randomized-controlled-trial
#6
Natalie Lander, Philip J Morgan, Jo Salmon, Lisa M Barnett
BACKGROUND: Physical activity (PA) levels decline substantially during adolescence, and are consistently lower in girls. Competency in a range of fundamental movement skills (FMS) may serve as a protective factor for the decline in PA typically observed in adolescent girls; yet, girls' mastery in FMS is low. Whilst interventions can improve FMS, there is a lack of interventions targeting girls, and very few are conducted in high schools. Additionally, interventions are usually conducted by researchers, not teachers, and thus have little chance of being embedded into curricula...
July 19, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28723407/nano-lipid-drug-conjugate-an-integrated-review
#7
REVIEW
Piya Adhikari, Paulami Pal, Anup Kr Das, Subhabrata Ray, Arpita Bhattacharjee, Bhaskar Mazumder
Lipid-drug conjugates (LDC), which may also be addressed as lipoidal prodrug, have the therapeutic actives chemically bound to a lipid moiety like fatty acids or phospholipids. Fabricated in nano-size, lipid-drug conjugate forms another breed of lipid nanoparticles. LDCs are prepared in order to increase the drug loading and hence prevent leakage of a highly polar drug from a lipophilic matrix. In turn, it assists to achieve active targeting of therapeutics with reduced side effect by altering the pharmacokinetic profile of the drug...
July 16, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28714832/satisfaction-of-tuberculosis-patients-with-health-services-in-ghana
#8
Frank Bonsu, Felix Afutu, Nii Nortey Hanson-Nortey, Mary-Anne Ahiabu, Joshua Amo-Adjei
Purpose Within human services, client satisfaction is highly prioritised and considered a mark of responsiveness in service delivery. A large body of research has examined the concept of satisfaction from the perspective of service users. However, not much is known about how service providers construct client satisfaction. The purpose of this paper is to throw light on healthcare professionals' perspectives on patient satisfaction, using tuberculosis (TB) clinics as a case study. Design/methodology/approach In-depth interviews were conducted with 35 TB clinic supervisors purposively sampled from six out of the ten regions of Ghana...
July 10, 2017: International Journal of Health Care Quality Assurance
https://www.readbyqxmd.com/read/28714752/differences-in-the-load-velocity-profile-between-four-bench-press-variants
#9
Amador García-Ramos, Francisco Luis Pestaña-Melero, Alejandro Pérez-Castilla, Francisco Javier Rojas, Guy Gregory Haff
PURPOSE: This study aimed to compare the load-velocity relationship between four variants of the bench press (BP) exercise. METHODS: The full load-velocity relationship of 30 men were evaluated by means of an incremental loading test starting at 17 kg progressing to the individual one-repetition maximum (1RM) in four BP variants: concentric-only BP, concentric-only bench press throw (BPT), eccentric-concentric BP, and eccentric-concentric BPT. RESULTS: A strong and fairly linear relationship between mean velocity (MV) and %1RM was observed for the four BP variants (r(2) > 0...
July 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28713470/differences-in-anthropometry-biological-age-and-physical-fitness-between-young-elite-kayakers-and-canoeists
#10
Daniel López-Plaza, Fernando Alacid, José María Muyor, Pedro Ángel López-Miñarro
The aim of this study was to determine the anthropometric and physical characteristics of youth elite paddlers and to identify the differences between kayakers and canoeists. A total of 171 male paddlers (eighty-nine kayakers and eighty-two canoeists), aged 13.69 ± 0.57 years (mean ± SD) volunteered to participate in this study. The participants completed basic anthropometric assessments (body mass, stretch stature, sitting height, body mass index, maturity level, sum of 6 skinfolds and fat mass percentage) as well as a battery of physical fitness tests (overhead medicine ball throw, counter movement jump, sit-and-reach and 20 m multi-stage shuttle run tests)...
June 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28699687/the-super-sickling-haemoglobin-hbs-oman-a-study-of-red-cell-sickling-k-permeability-and-associations-with-disease-severity-in-patients-heterozygous-for-hba-and-hbs-oman-hba-s-oman-genotype
#11
Halima W M Al Balushi, Yasser Wali, Maha Al Awadi, Taimoora Al-Subhi, David C Rees, John N Brewin, Anke Hannemann, John S Gibson
Studying different sickle cell genotypes may throw light on the pathogenesis of sickle cell disease (SCD). Here, the clinical profile, red cell sickling and K(+) permeability in 29 SCD patients (15 patients with severe disease and 14 with a milder form) of HbA/S-Oman genotype were analysed. The super sickling nature of this Hb variant was confirmed. The red cell membrane permeability to K(+) was markedly abnormal with elevated activities of Psickle , Gardos channel and KCl cotransporter (KCC). Results were consistent with Ca(2+) entry and Mg(2+) loss via Psickle stimulating Gardos channel and KCC activities...
July 12, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28699497/quantitative-structure-activity-relationships-of-aquatic-narcosis-a-review
#12
Chandana Adhikari, Bijay Kumar Mishra
BACKGROUND: Prior estimation of toxicity of each and every, existing and yet to be synthesized chemicals is a must to elude their adverse effect on the environment. Experimental determination of such parameters is time consuming, cost effective and above all it demands the sacrifice of many vertebrates. At this end the REACH regulations advocate for the use of non-testing predictive methods such as read-across, weight-of-evidence and QSAR (quantitative structure-activity relationship) techniques...
July 11, 2017: Current Computer-aided Drug Design
https://www.readbyqxmd.com/read/28692836/multi-body-dynamic-coupling-mechanism-for-generating-throwing-arm-velocity-during-baseball-pitching
#13
Kozo Naito, Tokio Takagi, Hideaki Kubota, Takeo Maruyama
The purpose of this study was to identify the detailed mechanism how the maximum throwing arm endpoint velocity is determined by the muscular torques and non-muscular interactive torques from the perspective of the dynamic coupling among the trunk, thorax and throwing and non-throwing arm segments. The pitching movements of ten male collegiate baseball pitchers were measured by a three-dimensional motion capture system. Using the induced-segmental velocity analysis (IVA) developed in this study, the maximum fingertip velocity of the throwing arm (MFV) was decomposed into each contribution of the muscular torques, passive motion-dependent torques due to gyroscopic moment, Coriolis force and centrifugal force, and other interactive torque components...
July 7, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28689823/performance-and-return-to-sport-in-elite-baseball-players-and-recreational-athletes-following-repair-of-the-latissimus-dorsi-and-teres-major
#14
Brandon J Erickson, Peter N Chalmers, Brian R Waterman, Justin W Griffin, Anthony A Romeo
BACKGROUND: Tears of the latissimus dorsi (LD) and teres major (TM) are rare but disabling injuries in the overhead athlete. METHODS: All patients who underwent an LD and/or TM repair between January 1, 2010, and June 6, 2016, with more than 12 months' follow-up were included. Demographic information and postoperative range of motion were recorded. Patients were contacted via phone and answered questions to provide the following: Kerlan-Jobe Orthopaedic Clinic (KJOC) shoulder and elbow outcome score, American Shoulder and Elbow Surgeons (ASES) shoulder score, and visual analog scale (VAS) score...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28688905/long-term-motor-learning-effects-of-varied-and-specific-practice
#15
Chéla R Willey, Zili Liu
According to the schema theory, variability during practice allows for a larger repertoire of movements to help form a generalized motor program for similar motor skills. Varied training is thought to enhance long-term retention of the motor program due to the heightened difficulty presented. In a highly cited study on this topic, Kerr and Booth (Perceptual and Motor Skills 46 (1978), 395-401) trained two groups of children for 10weeks to throw a beanbag towards either one central target (specific group) or two targets that were ±1 foot away from the central target (varied group)...
July 19, 2017: Vision Research
https://www.readbyqxmd.com/read/28687672/where-to-throw-that-shoe-catheter-ablation-of-atrioventricular-nodal-reentrant-tachycardia-in-congenital-heart-disease
#16
EDITORIAL
Elizabeth D Sherwin, Charles I Berul
No abstract text is available yet for this article.
July 2017: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/28686081/letter-to-the-editor-concerning-the-article-bar-velocities-capable-of-optimising-the-muscle-power-in-strength-power-exercises-by-loturco-pereira-abad-tabares-moraes-kobal-kitamura-nakamura-2017
#17
Slobodan Jaric, Amador Garcia Ramos
Loturco and co-workers (2017) recently published data in the Journal of Sports Sciences to present the optimum loading magnitudes regarding the maximization of the "mean propulsive power" of the leg and arm muscles. Among the most important findings were that (1) the recorded power in the squat and squat jump exercises was markedly low, (2) the optimum external load that maximized the power in the same exercises was close to 100% of body weight, while (3) the ballistic bench press throw revealed smaller power than the regular bench press typically performed with relatively low level of muscle activation towards the end of the propulsive lifting phase...
July 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28685651/successful-transfer-of-a-motor-learning-strategy-to-a-novel-sport
#18
Philip E Kearney, Phil Judge
This study investigated whether secondary school students who were taught a motor learning strategy could transfer their knowledge of the strategy to learning a novel task. Twenty adolescents were randomly allocated to a strategy or control group. The strategy group was taught Singer's five-step learning strategy, while the control group received information on the evolution and biomechanics of the basketball free throw. Both groups received three 1-hour practice sessions on a modified basketball shooting task...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28682636/the-practical-use-of-the-model-of-penetrable-spheres
#19
J S Rowlinson
Two examples are given of the use of the molecular model of penetrable spheres to throw light on problems in liquid state physics.
July 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28681419/linear-and-nonlinear-relationships-between-body-mass-index-and-physical-fitness-in-brazilian-children-and-adolescents
#20
Vítor P Lopes, Marco Cossio-Bolaños, Rossana Gómez-Campos, Miguel de Arruda, Jefferson Eduardo Hespanhol, Luis P Rodrigues
OBJECTIVES: The purpose of this study was to evaluate the linear and curvilinear relationship between body mass index (BMI) and physical fitness in children and adolescents. METHODS: Participants were 4567 (2505 girls) children aged 6-16 years. Weight and height were measured and BMI was calculated and adjusted for age and sex using WHO z-scores. Physical fitness was evaluated with the following tests: Yo-Yo test, standing long jump, seated 2-kg medicine ball throw, and 20-m dash...
July 5, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
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