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https://www.readbyqxmd.com/read/29351158/physical-performance-measures-of-flexibility-hip-strength-lower-limb-power-and-trunk-endurance-in-healthy-navy-cadets-normative-data-and-differences-between-sex-and-limb-dominance
#1
Thiago Jambo Alves Lopes, Milena Simic, Daniel de Souza Alves, Priscila Dos Santos Bunn, Allan Inoue Rodrigues, Bruno de Souza Terra, Maicom da Silva Lima, Fabrício Miranda Ribeiro, Patrick Vilão, Evangelos Pappas
The objectives were to provide normative data on commonly used physical performance tests that may be associated with musculoskeletal injuries in Navy cadets, and assess for sex and limb dominance differences. A large cohort of Navy cadets were assessed for physical performance tests of flexibility (ankle dorsiflexion range of motion and sit and reach), isometric hip strength, lower limb power (single leg hop), and trunk endurance (plank and side plank tests). Besides providing normative data tables, sex and limb dominance differences were assessed by a two-way mixed ANOVA...
January 17, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29318172/clinical-factors-that-predict-a-second-acl-injury-after-acl-reconstruction-and-return-to-sport-preliminary-development-of-a-clinical-decision-algorithm
#2
Mark V Paterno, Bin Huang, Staci Thomas, Timothy E Hewett, Laura C Schmitt
Background: Biomechanical predictors of a second anterior cruciate ligament (ACL) injury after ACL reconstruction (ACLR) and return to sport (RTS) have been identified; however, these measures may not be feasible in a standard clinical environment. Purpose/Hypothesis: The purpose of this study was to evaluate whether standard clinical measures predicted the risk of second ACL injuries. The hypothesis tested was that a combination of strength, function, and patient-reported measures at the time of RTS would predict the risk of second ACL injuries with high sensitivity and specificity...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29318168/the-utility-of-objective-strength-and-functional-performance-to-predict-subjective-outcomes-after-anterior-cruciate-ligament-reconstruction
#3
Heather Menzer, Lindsay V Slater, David Diduch, Mark Miller, Grant Norte, John Goetschius, Joseph M Hart
Background: Many clinicians release patients to return to activity after anterior cruciate ligament reconstruction (ACLR) based on time from surgery despite deficits in muscle strength and function. It is unclear whether symmetry or unilateral performance is the best predictor of subjective outcomes after ACLR. Purpose: To determine physical performance predictors of patient-reported outcomes after reconstruction. Study Design: Cross-sectional study; Level of evidence, 3...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29314871/normative-functional-performance-values-in-high-school-athletes-the-functional-pre-participation-evaluation-project
#4
James A Onate, Cambrie Starkel, Daniel R Clifton
CONTEXT:   The fourth edition of the Preparticipation Physical Evaluation recommends functional testing for the musculoskeletal portion of the examination; however, normative data across sex and grade level are limited.3 Establishing normative data can provide clinicians reference points with which to compare their patients, potentially aiding in the development of future injury-risk assessments and injury-mitigation programs. OBJECTIVE:   To establish normative functional performance and limb-symmetry data for high school-aged male and female athletes in the United States...
January 9, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29305606/xanthohumol-protects-morphology-and-function-in-a-mouse-model-of-retinal-degeneration
#5
Nathaniel F Henneman, Stephanie L Foster, Micah A Chrenek, Jana T Sellers, Charles B Wright, Robin H Schmidt, John M Nickerson, Jeffrey H Boatright
Purpose: To investigate whether treatment with xanthohumol (XN), the principal prenylated chalconoid from Humulus lupulus (hops), is protective in a mouse model of light-induced retinal degeneration (LIRD). Methods: Mice (129S2/SvPasCrl) were intraperitoneally injected with vehicle or XN prior to toxic light exposure and every 3 days thereafter. Retinal function was assessed by electroretinograms at 1, 2, and 4 weeks following toxic light exposure. Visual acuity was tested by optokinetic tracking 1 week and 4 weeks after toxic light exposure...
January 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29298485/challenges-in-xuv-photochemistry-simulations-a-case-study-on-ultrafast-fragmentation-dynamics-of-the-benzene-radical-cation
#6
Sophia Bazzi, Ralph Welsch, Oriol Vendrell, Robin Santra
The challenges of simulating extreme ultraviolet (XUV) induced dissociation dynamics of organic molecules on a multitude of coupled potential energy surfaces are discussed for the prototypical photoionization of benzene. The prospects of Koopmans' theorem based electronic structure calculations in combination with classical trajectories and Tully's fewest switches surface hopping are explored. It is found that a Koopmans' theorem based approach overestimates the CH dissociation barrier and thus underestimates the fragmentation yield...
January 3, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29291279/january-2018-corrigendum
#7
(no author information available yet)
Corrections to an article published in the March 2013 issue of JOSPT: Xergia SA, Pappas E, Zampeli F, Georgiou S, Georgoulis AD. Asymmetries in functional hop tests, lower extremity kinematics, and isokinetic strength persist 6 to 9 months following anterior cruciate ligament reconstruction. J Orthop Sports Phys Ther 2018;48(1):52. doi:10.2519/jospt.2018.48.1.52.
January 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29290539/is-acl-reconstruction-a-prerequisite-for-the-patients-having-recreational-sporting-activities
#8
Emrah Kovalak, Tolga Atay, Cem Çetin, I Meltem Atay, Mustafa Onur Serbest
OBJECTIVE: Whether surgical or conservative treatment is more effective in allowing patients to return to physical activity after anterior cruciate ligament (ACL) injury is controversial. We sought to compare mid-term outcome measures between isolated ACL tear patients who underwent reconstruction followed by closed kinetic chain exercises and those who underwent neuromuscular training only. METHODS: We retrospectively evaluated patients with ACL tears who underwent post-surgery CKC strength training after ACL reconstruction (Group A), and patients who only underwent neuromuscular training (Group B) with a minimum follow-up time of 5 years...
December 28, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/29278536/ability-of-functional-performance-tests-to-identify-individuals-with-chronic-ankle-instability-a-systematic-review-with-meta-analysis
#9
Adam B Rosen, Alan R Needle, Jupil Ko
OBJECTIVE: The purpose of this systematic review with meta-analysis was to determine the effectiveness of functional performance tests (FPTs) in differentiating between individuals with chronic ankle instability (CAI) and healthy controls. DATA SOURCES: The National Library of Medicine Catalog (PubMed), the Cumulative Index for Nursing and Allied Health Literature (CINAHL), and the SPORTDiscus, from inception to June 2017 were searched. Search terms consisted of: "Functional Performance Test*" OR "Dynamic Balance Test*" OR "Postural Stability Test*" OR "Star Excursion Balance Test*" OR "Hop Test*" AND "Ankle Instability" OR "Ankle Sprain...
December 22, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29277756/pacifastin-derived-peptides-target-tumors-for-use-in-in-vivo-imaging
#10
Theo L Sottero, Emily J Girard, Carrie Myers, Gene Hopping, Andrew J Mhyre, James M Olson
BACKGROUND/AIM: Developments in imaging have improved cancer diagnosis, but identification of malignant cells during surgical resection remains a challenge. The aim of this study was to investigate the pacifastin family of peptides for novel activity targeting tumor cells and the delivery of either imaging or therapeutic agents. MATERIALS AND METHODS: Variants of pacifastin family peptides were generated, chemically modified and tested in human tumor xenografts...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29273825/localization-and-subcellular-association-of-grapevine-pinot-gris-virus-in-grapevine-leaf-tissues
#11
Giulia Tarquini, Paolo Ermacora, Gian Luca Bianchi, Francesca De Amicis, Laura Pagliari, Marta Martini, Alberto Loschi, Pasquale Saldarelli, Nazia Loi, Rita Musetti
Despite the increasing impact of Grapevine Pinot gris disease (GPG-disease) worldwide, etiology about this disorder is still uncertain. The presence of the putative causal agent, the Grapevine Pinot Gris Virus (GPGV), has been reported in symptomatic grapevines (presenting stunting, chlorotic mottling, and leaf deformation) as well as in symptom-free plants. Moreover, information on virus localization in grapevine tissues and virus-plant interactions at the cytological level is missing at all. Ultrastructural and cytochemical investigations were undertaken to detect virus particles and the associated cytopathic effects in field-grown grapevine showing different symptom severity...
December 22, 2017: Protoplasma
https://www.readbyqxmd.com/read/29247811/irradiated-allograft-versus-autograft-for-anterior-cruciate-ligament-reconstruction-a-meta-analysis-and-systematic-review-of-prospective-studies
#12
REVIEW
Hong-De Wang, Yan-Bin Zhu, Tian-Rui Wang, Wei-Fei Zhang, Ying-Ze Zhang
BACKGROUND: Irradiated allografts and autografts are commonly used for anterior cruciate ligament (ACL) reconstruction. The outcomes between these two grafts are controversial. This meta-analysis and systematic review of prospective comparative studies was performed to compare the clinical outcomes, including knee functionality, stability, subjective evaluation, complications, and failure, of irradiated allografts and autografts in primary ACL reconstruction. MATERIALS AND METHODS: PubMed, Embase, and the Cochrane Library were searched from database inception to 12 August 2017 to identify prospective studies that compared irradiated allografts with autografts for primary ACL reconstruction...
December 13, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/29236427/sharing-samples-and-generics-an-antitrust-framework
#13
Michael A Carrier
Rising drug prices are in the news. By increasing price, drug companies have placed vital, even life-saving, medicines out of the reach of consumers. In a recent development, brand firms have prevented generics even from entering the market. The ruse for this strategy involves risk-management programs known as Risk Evaluation and Mitigation Strategies ("REMS"). Pursuant to legislation enacted in 2007, the FDA requires REMS when a drug's risks (such as death or injury) outweigh its rewards. Brands have used this regime, intended to bring drugs to the market, to block generic competition...
2017: Cornell Law Review
https://www.readbyqxmd.com/read/29235424/fundamental-movement-skills-of-children-living-in-england-the-role-of-ethnicity-and-native-english-language
#14
Emma L J Eyre, Leanne Jaye Walker, Michael J Duncan
The development of fundamental movement skills (FMS) has been associated with children's general health, and, while there is evidence to suggest that age, gender, physical activity, and socioeconomic status relate to FMS, the relationship of ethnicity and language barriers to FMS competence has been underexplored. These factors may be of particular interest for South Asian (SA) children who have lower physical activity and increased risk of metabolic disease. This cross-sectional study examined ethnic and language differences in FMS among 218 ethnically diverse five-year-old children (61 White ethnic background, 91 SA, 29 Black ethnic background, and 37 other), some with English as a native language ( n = 90) and some with English as an additional language ( n = 75), all recruited from within central England...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/29234555/spinal-and-peripheral-dry-needling-versus-peripheral-dry-needling-alone-among-individuals-with-a-history-of-lateral-ankle-sprain-a-randomized-controlled-trial
#15
Ainsley Rossi, Sara Blaustein, Joshua Brown, Kari Dieffenderfer, Elaine Ervin, Steven Griffin, Elizabeth Frierson, Kathleen Geist, Marie Johanson
Background: In addition to established interventions, dry needling may reduce impairments leading to greater functional abilities for individuals following ankle sprain. Hypothesis/Purpose: The purpose of this study was to compare effects of spinal and peripheral dry needling (DN) with peripheral DN alone on impairments and functional performance among individuals with a history of lateral ankle sprain. Study Design: Randomized controlled trial...
December 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29230172/sensor-motor-maps-for-describing-linear-reflex-composition-in-hopping
#16
Christian Schumacher, André Seyfarth
In human and animal motor control several sensory organs contribute to a network of sensory pathways modulating the motion depending on the task and the phase of execution to generate daily motor tasks such as locomotion. To better understand the individual and joint contribution of reflex pathways in locomotor tasks, we developed a neuromuscular model that describes hopping movements. In this model, we consider the influence of proprioceptive length (LFB), velocity (VFB) and force feedback (FFB) pathways of a leg extensor muscle on hopping stability, performance and efficiency (metabolic effort)...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/29216492/production-of-new-activated-bio-carbons-by-chemical-activation-of-residue-left-after-supercritical-extraction-of-hops
#17
Aleksandra Bazan-Wozniak, Piotr Nowicki, Robert Pietrzak
A technology of activated bio-carbons production from the residue left after supercritical extraction of hops is described. The effect of the variant of chemical activation and impregnation ratio on the physicochemical properties as well as sorption capacity towards toxic gas of acidic character (nitrogen dioxide), basic organic dye (aqueous solution of methylene blue - MB) and iodine was investigated. The materials obtained were activated bio-carbons of well-developed surface area ranging between 897 and 1095m2/g, showing clearly acidic character of the surface...
December 4, 2017: Environmental Research
https://www.readbyqxmd.com/read/29201925/a-comparison-of-nonoperative-and-operative-treatment-of-complete-proximal-hamstring-ruptures
#18
Braidy C Shambaugh, Joshua R Olsen, Edward Lacerte, Ethan Kellum, Suzanne L Miller
Background: The early repair of acute proximal hamstring ruptures provides better clinical results than delayed repair. However, it is unclear how nonoperative treatment compares with the operative treatment of these injuries. Purpose: To compare the clinical results of the nonoperative and operative treatment of acute proximal hamstring ruptures. Study Design: Cohort study; Level of evidence, 3. Methods: A total of 25 patients with complete, retracted proximal hamstring ruptures presenting to 1 institution were retrospectively reviewed...
November 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29188336/no-risk-of-arthrofibrosis-after-acute-anterior-cruciate-ligament-reconstruction
#19
Karl Eriksson, Christoffer von Essen, Sven Jönhagen, Björn Barenius
PURPOSE: To compare acute ACL reconstruction (ACLR) within 8 days of injury with delayed reconstruction after normalized range of motion (ROM), 6-10 weeks after injury. It was hypothesized that acute ACL reconstruction with modern techniques is safe and can be beneficial in terms of patient-reported outcomes and range of motion. METHODS: Sample size calculation indicated 64 patients would be required to find a 5° difference in ROM at 3 months. Seventy patients with high recreational activity level, Tegner level 6 or more, were randomized to acute (within 8 days) or delayed (6-10 weeks) ACLR between 2006 and 2013...
November 29, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29187310/changes-in-lower-limb-strength-and-function-following-lumbar-spinal-mobilization
#20
Tsoi Sze Yuen, Pui Yu Lam, Mei Yan Lau, Wai Lam Siu, Ka Man Yu, Chi Ngai Lo, Joseph Ng
OBJECTIVE: The purpose of this study was to investigate whether grade III passive lumbar rotational mobilization on L2-3 can improve hip flexor strength and performance in the single-leg triple-hop test in asymptomatic young adults. METHODS: Twenty-four participants (12 men, 12 women) aged from 19 to 26 years who were positive in the hip flexor "break" test were recruited in this study. They were randomly allocated to the treatment group or sham group. Isometric hip flexor torque (N·m) and single-leg triple-hop distance (cm) were measured before and after a passive lumbar rotational mobilization or a sham intervention...
October 2017: Journal of Manipulative and Physiological Therapeutics
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