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https://www.readbyqxmd.com/read/29667867/excelling-at-youth-level-in-competitive-track-and-field-athletics-is-not-a-prerequisite-for-later-success
#1
Philip E Kearney, Philip R Hayes
Enhancing our understanding of athlete development would be valuable for coaches, parents and administrators to set realistic performance expectations and to advance youth sport policy. To this end, a database of track and field performances was examined. Records of 134,313 performances by athletes aged between 12 and 35 years in sprinting, throwing, jumping and middle distance events were analysed. Results revealed that a minority (Male, 9%; Female, 13%) of top 20 ranked senior athletes were also ranked in the top 20 at Under 13 (U13)...
April 18, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29665612/differences-in-segmental-speeds-as-a-function-of-maturation-in-youth-baseball-pitchers
#2
Jessica K Washington, Gabrielle G Gilmer, Jeff W Barfield, Sarah S Gascon, Michael G Saper, Jeffrey R Dugas, James R Andrews, Gretchen D Oliver
The purpose of this study was to determine how stride length, segmental sequencing of the pelvis, trunk, humerus, and forearm velocities and accelerations, and the timing of these values change as youth mature. Thirteen youth baseball pitchers participated at three consecutive time points: visit 1 (10.7±1.3 years; 151.8±10.7 cm; 45.0±9.65 kg), visit 2 (11.5±1.6 years; 155.5±11.1 cm; 50.4±10.0 kg), and visit 3 (12.4±1.7 years; 161.5±11.7 cm; 56.4±10.8 kg). Participants executed three pitches for a strike to a catcher...
April 17, 2018: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/29662911/unaccounted-workload-factor-game-day-pitch-counts-in-high-school-baseball-pitchers-an-observational-study
#3
Jason L Zaremski, Giorgio Zeppieri, Deborah L Jones, Brady L Tripp, Michelle Bruner, Heather K Vincent, MaryBeth Horodyski
Background: Throwing injuries are common in high school baseball. Known risk factors include excessive pitch counts, year-round pitching, and pitching with arm pain and fatigue. Despite the evidence, the prevalence of pitching injuries among high school players has not decreased. One possibility to explain this pattern is that players accumulate unaccounted pitch volume during warm-up and bullpen activity, but this has not yet been examined. Hypotheses: Our primary hypothesis was that approximately 30% to 40% of pitches thrown off a mound by high school pitchers during a game-day outing are unaccounted for in current data but will be revealed when bullpen sessions and warm-up pitches are included...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29660389/shooting-free-throws-blindfolded
#4
Jason Q Alexander
No abstract text is available yet for this article.
April 13, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29657389/hepato-nephropathology-associated-with-inclusion-body-hepatitis-complicated-with-citrinin-mycotoxicosis-in-a-broiler-farm
#5
Asok Kumar Mariappan, Palanivelu Munusamy, Shyma K Latheef, Shambu Dayal Singh, Kuldeep Dhama
Aim: Mortality in a broiler chicken farm was investigated for identifying the cause of mortality. Materials and Methods: A broiler farm with a population of 16000 succumbed to a disease outbreak. Clinical signs, vaccination history and mortality, were recorded. Necropsy examination and microscopic examination were carried out along with toxicological and molecular studies. Results: The clinical signs in the affected broiler birds were of non-specific nature with a total mortality of 26...
February 2018: Veterinary World
https://www.readbyqxmd.com/read/29653438/the-effect-of-a-cricket-fielding-session-on-glenohumeral-range-of-motion-and-active-joint-position-sense
#6
Liam Newton, Steve McCaig
OBJECTIVE: To assess the effects of a cricket fielding session, at an identified throwing injury risk workload, on shoulder joint position sense (JPS) and active range of motion (AROM) in cricketers. DESIGN: Repeated measures observational study. SETTING: Indoor cricket centre. PARTICIPANTS: Nineteen, asymptomatic University cricketers. MAIN OUTCOME: AROM was assessed supine at 90° abduction and from this 10% off end range IR and ER was used as the position matching angle to assess JPS...
April 4, 2018: Physical Therapy in Sport
https://www.readbyqxmd.com/read/29643091/do-not-throw-the-baby-out-with-the-bathwater-screening-can-identify-meaningful-risk-factors-for-sports-injuries
#7
EDITORIAL
Evert Verhagen, Nicol van Dyk, Nicholas Clark, Ian Shrier
No abstract text is available yet for this article.
April 11, 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29626966/do-not-throw-the-intubation-checklist-out-with-the-bath-water
#8
EDITORIAL
Audrey De Jong, Samir Jaber
No abstract text is available yet for this article.
April 2018: Chest
https://www.readbyqxmd.com/read/29623282/relationship-between-pitching-a-complete-game-and-spending-time-on-the-disabled-list-for-major-league-baseball-pitchers
#9
Brandon J Erickson, Peter N Chalmers, Anthony A Romeo, Christopher S Ahmad
Background: Injury rates among Major League Baseball pitchers have been increasing over the past several years. It is currently unknown whether pitching a complete game (CG) is a risk factor for spending time on the disabled list (DL). Purpose/Hypothesis: The purpose of this study was to determine the relationship between pitching a CG and time on the DL. We hypothesized that pitchers who threw a CG (1) would be at increased risk for spending time on the DL, which would be earlier in the season and for a longer period, than those who did not and (2) would be at further increased risk for spending time on the DL during subsequent seasons than matched controls...
March 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29623089/real-time-human-detection-for-aerial-captured-video-sequences-via-deep-models
#10
Nouar AlDahoul, Aznul Qalid Md Sabri, Ali Mohammed Mansoor
Human detection in videos plays an important role in various real life applications. Most of traditional approaches depend on utilizing handcrafted features which are problem-dependent and optimal for specific tasks. Moreover, they are highly susceptible to dynamical events such as illumination changes, camera jitter, and variations in object sizes. On the other hand, the proposed feature learning approaches are cheaper and easier because highly abstract and discriminative features can be produced automatically without the need of expert knowledge...
2018: Computational Intelligence and Neuroscience
https://www.readbyqxmd.com/read/29622250/editorial-commentary-don-t-throw-away-the-retractors-complications-of-open-versus-arthroscopic-rotator-cuff-repair-could-be-influenced-by-indications
#11
EDITORIAL
Joseph A Gil, Brett D Owens
Shoulder surgeons must carefully interpret literature that compares outcomes and complications of open and arthroscopic rotator cuff repair techniques. It is important for shoulder surgeons to be facile with both techniques.
April 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29621682/transfer-of-a-learned-coordination-function-specific-individual-and-generalizable
#12
Matheus M Pacheco, Karl M Newell
It is generally held that transfer of practice is a function of the similarity between the originally learned task and the subsequent transfer task. In the present paper, we examine the proposition that individuals learn a coordination function that is specific to the task, individual and yet generalizable, depending on the characteristics of the learned coordination function. Seventeen individuals performed for 5 days the task of learning to throw for accuracy to a target and then performed two transfer tests that differed in terms of the axis of variation that individuals could vary in task outcome...
April 2, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29620509/recombinant-expression-and-purification-of-mouse-nectin-like-4-glycoprotein-in-293et-cell-line
#13
Dong-Dong Li, Tai An, Xiao Liu, Bin Yin, Xiao-Zhong Peng, Peng-Cheng Shu
Objective To screen the transient and stable cell lines with high production of Nectin-like 4 (Necl-4) protein. Methods First, cDNA sequences encoding the extracellular domain of Necls were cloned into the modified vector pAPtag at the N terminus of alkaline phosphatase (AP) for fusion expression. Next, 293ET cells stably expressed Necls-AP fusion protein and secreted it into the culture medium which were detected by the AP activity assay and Western blot analysis. Then, by adding N-glycosylation processing inhibitor kifunensine into the medium, complex glycan was inhibited to generate...
March 30, 2018: Chinese Medical Sciences Journal, Chung-kuo i Hsüeh K'o Hsüeh Tsa Chih
https://www.readbyqxmd.com/read/29620490/comparative-study-of-the-interactions-between-bisphenol-a-and-its-endocrine-disrupting-analogues-with-bovine-serum-albumin-using-multi-spectroscopic-and-molecular-docking-studies
#14
Shoeb Ikhlas, Afia Usman, Masood Ahmad
Interaction studies of bisphenol analogues; Biphenol-A (BPA), Bisphenol-B (BPB) and Bisphenol-F (BPF) with bovine serum albumin (BSA) were performed using multi-spectroscopic and molecular docking studies at the protein level. The mechanism of binding of bisphenols with BSA was dynamic in nature. SDS refolding experiments demonstrated no stabilization of BSA structure denatured by BPB, however, BSA denatured by BPA and BPF was found to get stabilized. Also, CD spectra and molecular docking studies revealed that BPB bound more strongly and induced more conformational changes in BSA in comparison to BPA...
April 5, 2018: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/29618884/simultaneous-occurrence-of-a-midline-sublingual-dermoid-cyst-with-respiratory-epithelium-and-submental-dermoid-cyst-in-a-paediatric-patient-a-case-report-and-review-of-literature
#15
Manikandhan Ramanathan, Sivapathasundharam Balasundharam, Amelia Christabel, Preethi Murali, Sneha Pandem
Aim: To present the case of a simultaneously occuring sublingual dermoid cyst with respiratory epthelium and a submental dermoid cyst, and also to review literatures on the same. Methods: A complete examination, radiograph, MRI and excision biopsy of both lesions were carried out and diagnosis was arrived at histopathologically. Results: The histopathology of the submental swelling revealed orthokeratinized stratified squamous epithelium with underlying connective tissue consisting of dense irregularly arranged collagen fibres with fibroblasts along with chronic inflammatory cell infiltrate of lymphocytes and plasma cells...
June 2018: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/29608427/new-insight-for-activity-intensity-relativity-metabolic-expenditure-during-object-projection-skill-performance
#16
Ryan S Sacko, Kerry McIver, Ali Brian, David F Stodden
This study examined the metabolic cost (METs) of performing object projection skills at three practice trial intervals (6, 12, and 30 seconds). Forty adults (female n = 20) aged 18-30 (M = 23.7 ± 2.9 years) completed three, nine-minute sessions of skill trials performed at 6, 12, and 30 second intervals. Participants performed kicking, throwing and striking trials in a blocked schedule with maximal effort. Average METs during each session were measured using a COSMED K4b2. A three (interval condition) X two (sex) ANOVA was conducted to examine differences in METs across interval conditions and by sex...
April 2, 2018: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29603396/video-analysis-of-acute-injuries-and-referee-decisions-during-the-24-th-men-s-handball-world-championship-2015-in-qatar
#17
Stig Haugsboe Andersson, Marco Cardinale, Rod Whiteley, Nebojsa Popovic, Clint Hansen, Fernando Sanz Lopez, Tone Bere, Roald Bahr, Grethe Myklebust
Although handball is a contact sport with a high risk of acute match injuries, their mechanisms have not yet been investigated. We aimed to describe the mechanisms of acute match injuries in elite male handball and evaluate referee performance in injury situations. Based on injury surveillance from the 24th Men's Handball World Championship 2015 in Qatar, injury situations and the referee decisions were identified on video footage. A total of 55 injury situations and 37 referee decisions were included for analysis...
March 30, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29602467/role-of-apolipoprotein-e-in-the-tangled-mystery-of-pain
#18
Harjot Dhillon, Sargun Singh
Pain is one of the common and debilitating health manifestations associated with the majority of diseased conditions, thus making it a serious health concern worldwide. While trying to decipher the cryptic mechanism of pain in hope to provide better gene-based therapeutics, researchers have concluded pain to be of multigenic origin making it hard to cure. Apolipoprotein E is a protein coded by APOE gene containing 4 exons, located on chromosome 19q13.2. It is among the key regulators of various crucial body functions such as lipid transport, apoptosis, vitamin k pathway, and cognition, hence, it is highly suspected to play a pivotal role in the nociception process...
May 2018: Medical Hypotheses
https://www.readbyqxmd.com/read/29601208/performance-and-return-to-sport-after-tommy-john-surgery-among-major-league-baseball-position-players
#19
Robert A Jack, Matthew B Burn, Kyle R Sochacki, Patrick C McCulloch, David M Lintner, Joshua D Harris
BACKGROUND: The anterior bundle of the medial ulnar collateral ligament (UCL) is the primary restraint to valgus stress at the elbow and is often injured among overhead throwing athletes. Despite prevention strategies, injuries to the elbow UCL are on the rise. PURPOSE: To determine (1) the return-to-sport (RTS) rate of Major League Baseball (MLB) position players after elbow medial UCL reconstruction, (2) postoperative career length and games per season, (3) pre- and postoperative performance, (4) postoperative performance versus matched control players, and (5) whether position players changed positions after UCL reconstruction...
March 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29595313/you-don-t-need-to-talk-to-throw-a-ball-children-s-inclusion-of-language-outgroup-members-in-behavioral-and-hypothetical-scenarios
#20
Kelly Lynn Mulvey, Corey Boswell, Kate Niehaus
To investigate children's inclusion of language-outgroup members, English-speaking children (8-9 years and 10-11 years of age, N = 57) made inclusion decisions while playing a simulated ball-tossing game, Cyberball, and while evaluating hypothetical scenarios involving language-outgroup members who wanted to play with their group. In the Cyberball game, the group norm was to exclude non-English-speaking peers, and participant tosses to a language-outgroup member (i.e., Spanish, Chinese, or Arabic speaking) were coded as a measure of behavioral inclusion...
March 29, 2018: Developmental Psychology
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