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https://www.readbyqxmd.com/read/28299934/antibacterial-composite-film-based-triboelectric-nanogenerator-for-harvesting-walking-energy
#1
Guangqin Gu, Changbao Han, Jingjing Tian, Cunxin Lu, Chuan He, Tao Jiang, Zhou Li, Zhong Lin Wang
As a green and eco-friendly technology, triboelectric nanogenerator (TENG) can harvest energy from human motion to generate electricity, so TENGs have been widely applied in wearable electronic devices to replace the traditional batteries. However, the surface of these TENGs is easy to be contaminated and breed bacteria, which is a threat to human health. Here, we report an antibacterial composite film-based triboelectric nanogenerator (ACF-TENG) that uses Ag exchanged zeolite (Ag-zeolite) and polypropylene (PP) composite film as the triboelectric layer...
March 16, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28298054/long-term-effects-of-adolescent-sport-concussion-across-the-age-spectrum
#2
Douglas N Martini, James T Eckner, Sean K Meehan, Steven P Broglio
BACKGROUND: Research in sport concussion has increased greatly over the previous decade due to increased scientific interest as well as the media and political spotlight that has been cast on this injury. However, a dearth of literature is available regarding the long-term (>1 year after concussion) effects of adolescent concussion on cognitive and motor performance of high school athletes. PURPOSE: To evaluate the potential for long-term effects of concussion sustained during high school on cognitive and motor performance across the lifespan...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28257426/effects-of-different-medial-arch-support-heights-on-rearfoot-kinematics
#3
Gunnar Wahmkow, Michael Cassel, Frank Mayer, Heiner Baur
BACKGROUND: Foot orthoses are usually assumed to be effective by optimizing mechanically dynamic rearfoot configuration. However, the effect from a foot orthosis on kinematics that has been demonstrated scientifically has only been marginal. The aim of this study was to examine the effect of different heights in medial arch-supported foot orthoses on rear foot motion during gait. METHODS: Nineteen asymptomatic runners (36±11years, 180±5cm, 79±10kg; 41±22km/week) participated in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28253065/effects-of-taping-on-achilles-tendon-protection-and-kendo-performance
#4
Feng-Hua Tsai, I-Hua Chu, Chun-Hao Huang, Jing-Min Liang, Jia-Hroung Wu, Wen-Lan Wu
CONTEXT: It has been reported that there is high rate of Achilles tendon injury among kendo athletes. For protection and support the area, kendo athletes habitually use taping during practice or games. OBJECTIVE: To investigate the effect of various taping techniques on injury prevention and functional performance in kendo athletes. DESIGN: Case-control study. SETTING: Laboratory. PARTICIPANTS: Fifteen University Kendo Team athletes with at least 2 years kendo experience...
March 2, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28245273/influence-of-custom-made-and-prefabricated-insoles-before-and-after-an-intense-run
#5
Angel Gabriel Lucas-Cuevas, Andrés Camacho-García, Raúl Llinares, Jose Ignacio Priego Quesada, Salvador Llana-Belloch, Pedro Pérez-Soriano
Each time the foot contacts the ground during running there is a rapid deceleration that results in a shock wave that is transmitted from the foot to the head. The fatigue of the musculoskeletal system during running may decrease the ability of the body to absorb those shock waves and increase the risk of injury. Insoles are commonly prescribed to prevent injuries, and both custom-made and prefabricated insoles have been observed to reduce shock accelerations during running. However, no study to date has included a direct comparison of their behaviour measured over the same group of athletes, and therefore great controversy still exists regarding their effectiveness in reducing impact loading during running...
2017: PloS One
https://www.readbyqxmd.com/read/28244026/-injuries-on-vaulting
#6
Christoph Raschka, Laura Feuerbach
OBJECTIVE AND METHOD: Using an online questionnaire, the injuries of 649 acrobats on horseback were recorded (636 female, 13 male, average age 20.8 years, average sports time 12.1 years). 64% of the athletes practised their sport in the upper and 34% in the lower performance classes. RESULTS: 62.7% of the athletes hurt themselves on vaulting at least once during their sports time. Most injuries occured at the lower limbs (57.5%), particularly on foot (31.2%) and knee (22...
March 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28229181/endoscopic-surgery-in-athletes-with-a-symptomatic-calcaneal-lipoma
#7
P D'Hooghe, B Krivokapic, P Dzendrowskyj, K Hassoun, B Bukva, P Landreau
PURPOSE: This study shows that endoscopy is an effective treatment modality for athletes with a symptomatic calcaneal lipoma. METHODS: Between 2013 and 2016, five professional athletes with symptomatic calcaneal lipoma underwent endoscopic-assisted curettage and bone graft treatment. Lipoma size was measured by magnetic resonance imaging (MRI) and rated using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Scale (AOFAS). All athletes were followed up for 12 months postoperatively and monitored on return to previous activity level...
February 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28214465/acute-and-chronic-lateral-ankle-instability-diagnosis-management-and-new-concepts
#8
REVIEW
Rachel Shakked, Steven Sheskier
Lateral ankle instability is a common entity that can result in degenerative arthritis if left untreated. Acute ligament injuries should primarily be treated nonoperatively with a course of physical therapy and functional bracing. Chronic ankle instability is defined as mechanical or functional and can be diagnosed using a combination of history, physical examination, stress radiographs, and magnetic resonance imaging. After failure of nonoperative treatment, surgical treatment with anatomic ligament repair and inferior extensor retinaculum augmentation has the best clinical outcomes...
January 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/28210029/gender-related-differences-in-lower-limb-alignment-range-of-joint-motion-and-the-incidence-of-sports-injuries-in-japanese-university-athletes
#9
Yasuhiro Mitani
[Purpose] To investigate the gender-related differences in lower limb alignment, range of joint motion, and history of lower limb sports injuries in Japanese university athletes. [Subjects and Methods] The subjects were 224 Japanese university athletes (154 males and 70 females). The quadriceps angle (Q-angle), arch height index, and ranges of internal and external rotation of the hip joints were measured. History of lower limb sports injury was surveyed using a questionnaire. [Results] Females had a significantly higher Q-angle and hip joint internal rotation angle and a significantly lower arch height index than males...
January 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28174475/correlation-among-proprioception-muscle-strength-and-balance
#10
Huihui Wang, Zhongqiu Ji, Guiping Jiang, Weitong Liu, Xibian Jiao
[Purpose] To study the correlation among proprioception, muscle strength, and balance. [Subjects and Methods] A balance testing system (Biodex Balance System, BBS) and an isokinetic testing system (Biodex System 4, BS4) were used to test related indexes in 24 healthy young females. [Results] With the knee joint at 15 degree flexion, proprioception was significantly correlated with Limits of Stability-Time values, and was highly significantly correlated with Limits of Stability-Overall and Athlete Single Leg Medial/Lateral values...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28157450/changes-in-lower-extremity-kinematics-and-temporal-parameters-of-adolescent-baseball-pitchers-during-an-extended-pitching-bout
#11
Stacey M Kung, Sarah P Shultz, Andreas Kontaxis, Andrew P Kraszewski, Mandi W Gibbons, Sherry I Backus, Philip W Fink, Stephen Fealy, Howard J Hillstrom
BACKGROUND: Few studies have investigated detailed 3-dimensional lower extremity kinematics during baseball pitching in adolescent athletes during extended play. Changes in these parameters may affect performance outcomes. PURPOSE: To investigate whether adolescent baseball pitchers experience changes in lower extremity kinematics and event timing during a simulated game-length pitching bout. STUDY DESIGN: Descriptive laboratory study. METHODS: Twelve male adolescent pitchers (aged 14-16 years) threw 6 sets of 15 fastball pitches from an artificial pitching mound to a target at regulation distance...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28151702/the-athletic-shoe-in-football
#12
James Jastifer, Richard Kent, Jeff Crandall, Chris Sherwood, David Lessley, Kirk A McCullough, Michael J Coughlin, Robert B Anderson
BACKGROUND: Foot and ankle injuries are common in sports, particularly in cleated athletes. Traditionally, the athletic shoe has not been regarded as a piece of protective equipment but rather as a part of the uniform, with a primary focus on performance and subjective feedback measures of comfort. Changes in turf and shoe design have poorly understood implications on the health and safety of players. EVIDENCE ACQUISITION: A literature search of the MEDLINE and PubMed databases was conducted...
March 2017: Sports Health
https://www.readbyqxmd.com/read/28144601/proximal-fifth-metatarsal-fractures-anatomy-classification-treatment-and-complications
#13
REVIEW
Chi Nok Cheung, Tun Hing Lui
CONTEXT: Fractures of proximal fifth metatarsal are one of the most common fractures of the foot. EVIDENCE ACQUISITION: A search of PubMed for studies on proximal fifth metatarsal fracture and Jones fracture focusing on the classification and management was performed. The reference list of the retrieved articles was searched for additional related studies. RESULTS: The vascular supply and soft tissue anatomy of the fifth metatarsal explains the increased risk of delayed union and non-union in fractures at the metaphyseal-diaphyseal junction...
December 2016: Archives of Trauma Research
https://www.readbyqxmd.com/read/28134962/common-foot-and-ankle-injuries-what-not-to-miss-and-how-best-to-manage
#14
Jessica Reissig, Adam Bitterman, Simon Lee
Injuries to the foot and ankle are commonly encountered, especially among athletes, and can lead to morbidity if not managed appropriately. Health care professionals must have a firm understanding of injury anatomy, diagnoses, and management. This article provides a review of lateral talus process fractures, os trigonum injuries, Lisfranc injuries, turf toe, navicular stress fractures, and syndesmotic injuries.
February 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28124130/mechanisms-and-situations-of-anterior-cruciate-ligament-injuries-in-professional-male-soccer-players-a-youtube-based-video-analysis
#15
Alberto Grassi, Stephen Paul Smiley, Tommaso Roberti di Sarsina, Cecilia Signorelli, Giulio Maria Marcheggiani Muccioli, Alice Bondi, Matteo Romagnoli, Alessandra Agostini, Stefano Zaffagnini
BACKGROUND: Soccer is considered the most popular sport in the world concerning both audience and athlete participation, and the incidence of ACL injury in this sport is high. The understanding of injury situations and mechanisms could be useful as substratum for preventive actions. PURPOSE: To conduct a video analysis evaluating the situations and mechanisms of ACL injury in a homogeneous population of professional male soccer players, through a search entirely performed on the YouTube...
January 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28118030/the-epidemiology-of-severe-injuries-sustained-by-national-collegiate-athletic-association-student-athletes-2009-2010-through-2014-2015
#16
Melissa C Kay, Johna K Register-Mihalik, Aaron D Gray, Aristarque Djoko, Thomas P Dompier, Zachary Y Kerr
CONTEXT: Few researchers have described the incidence of the most severe injuries sustained by student-athletes at the collegiate level. OBJECTIVE: To describe the epidemiology of severe injuries within 25 National Collegiate Athletic Association (NCAA) sports in the 2009-2010 through 2014-2015 academic years. DESIGN: Descriptive epidemiology study. SETTING: Aggregate injury and exposure data from 25 NCAA sports. PATIENTS OR OTHER PARTICIPANTS: Collegiate student-athletes in the 2009-2010 through 2014-2015 academic years...
February 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28113040/endoscopic-versus-open-excision-of-os-trigonum-for-the-treatment-of-posterior-ankle-impingement-syndrome-in-an-athletic-population
#17
Dimitrios Georgiannos, Ilias Bisbinas
BACKGROUND: Open surgical excision of the os trigonum has been the traditional treatment for posterior ankle impingement syndrome (PAIS). However, the endoscopic excision has recently become quite popular. Purpose/Hypothesis: The purpose of our study was to compare the results of endoscopic versus open excision of a symptomatic os trigonum for the treatment of PAIS in an athletic population. It was hypothesized that the endoscopic technique would be superior to the open technique regarding functional outcomes, pain, and time to return to training and the previous sports level...
January 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28100124/compelling-overuse-injury-incidence-in-youth-multisport-athletes
#18
Abdallah Rejeb, Amanda Johnson, Roel Vaeyens, Cosmin Horobeanu, Abdulaziz Farooq, Erik Witvrouw
The present investigation was carried out to examine the incidence and pattern of injuries in adolescent multisport athletes from youth sports academy. Injury data were prospectively collected from 166 athletes during the seasons from 2009 to 2014. A total of 643 injuries were identified, 559 (87.0%) were time-loss injuries. The overall injury incidence was 5.5 (95% confidence interval CI: 5.1-6.0), the incidence of time-loss injuries was 4.8 (95% CI: 4.4-5.2), the incidence of growth conditions was 1.2 (95% CI: 1...
January 18, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28087215/surgical-outcome-of-posterior-ankle-impingement-syndrome-with-concomitant-ankle-disorders-treated-simultaneously-in-patient-engaged-in-athletic-activity
#19
Wataru Miyamoto, Shinya Miki, Hirotaka Kawano, Masato Takao
BACKGROUND: It is unclear whether simultaneous surgery for posterior ankle impingement syndrome (PAIS) and concomitant ankle disorders, such as anterior ankle impingement syndrome (AAIS), lateral ankle instability (LAI), and osteochondral lesion of the talus (OLT), allows for early return to athletic activity. METHODS: Ninety-seven patients who engaged in athletic activity (mean age 27 [range 18-43] years) and were treated by a hindfoot endoscopic approach for PAIS alone or simultaneously for PAIS and concomitant ankle disorders were included in this study...
January 10, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27994723/return-to-sports-after-bone-marrow-derived-cell-transplantation-for-osteochondral-lesions-of-the-talus
#20
Francesca Vannini, Marco Cavallo, Laura Ramponi, Francesco Castagnini, Simone Massimi, Sandro Giannini, Roberto Emanuele Buda
OBJECTIVE: Arthroscopic "one-step" technique based on bone marrow-derived cell transplantation (BMDCT) have achieved good results in repairing osteochondral lesions of the talus (OLT), overcoming important drawbacks of older techniques. It may be particularly adequate for the treatment of athletes in order to permit a safe and stable return to sports. The aim of this study was to report the results at 48 months of a series of athletes and the factors influencing the return to sports. DESIGN: Case series...
January 2017: Cartilage
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