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https://www.readbyqxmd.com/read/28644933/survey-of-hand-and-upper-extremity-injuries-among-rock-climbers
#1
Clayton E Nelson, Ghazi M Rayan, Dustin I Judd, Kai Ding, Julie A Stoner
BACKGROUND: Rock climbing first evolved as a sport in the late 18th century. With its growing popularity, the number of rock climbing-related injuries has potential to increase, spurring a rise in the number of articles associated with it. Despite the available literature, there remains a paucity of information about upper extremity injuries sustained by rock climbers, and no studies to date have focused on gender-specific injuries. METHODS: A 24-question online survey was distributed to rock climbers about upper extremity injuries sustained during rock climbing...
July 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28641105/it-s-not-all-fun-and-games-sports-concussions-and-neuroscience
#2
Christopher C Giza, Mayumi L Prins, David A Hovda
Few items grab the public's attention like sports, from extremes of great victory to injury and defeat. No injury currently arouses stronger interest than concussion. Giza et al., discuss how neuroscience can provide balance between physical activity and TBI, and guide thoughtful discourse and policy.
June 21, 2017: Neuron
https://www.readbyqxmd.com/read/28633796/cotton-osteotomy-in-flatfoot-reconstruction-a-case-report-highlighting-surgical-technique-and-modified-incision-to-protect-the%C3%A2-medial-dorsal-cutaneous-nerve
#3
Troy J Boffeli, Katherine R Schnell
The Cotton osteotomy or opening wedge medial cuneiform osteotomy is a useful adjunctive flatfoot reconstructive procedure that is rarely performed in isolation. The Cotton procedure is relatively quick to perform and effectively corrects forefoot varus deformity after rearfoot fusion or osteotomy to achieve a rectus forefoot to rearfoot relationship. Proper patient selection is critical, because preoperative findings of medial column joint instability, concomitant hallux valgus deformity, or degenerative joint disease of the medial column might be better treated with arthrodesis of the naviculocuneiform or first tarsometatarsal joints...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28632061/the-effect-of-unilateral-arm-swing-motion-on-lower-extremity-running-mechanics-associated-with-injury-risk
#4
Cristine Agresta, Christian R Ward, W Geoffrey Wright, Carole A Tucker
Many field sports involve equipment that restricts one or both arms from moving while running. Arm swing during running has been examined from a biomechanical and physiologic perspective but not from an injury perspective. Moreover, only bilateral arm swing suppression has been studied with respect to running. The purpose of this study was to determine the influence of running with one arm restrained on lower extremity mechanics associated with running or sport-related injury. Fifteen healthy participants ran at a self-selected speed with typical arm swing, with one arm restrained and with both arms restrained...
February 28, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28628419/association-of-competition-volume-club-sports-and-sport-specialization-with-sex-and-lower-extremity-injury-history-in-high-school-athletes
#5
Eric G Post, David R Bell, Stephanie M Trigsted, Adam Y Pfaller, Scott J Hetzel, M Alison Brooks, Timothy A McGuine
BACKGROUND: High school athletes are increasingly encouraged to participate in 1 sport year-round to increase their sport skills. However, no study has examined the association of competition volume, club sport participation, and sport specialization with sex and lower extremity injury (LEI) in a large sample of high school athletes. HYPOTHESIS: Increased competition volume, participating on a club team outside of school sports, and high levels of specialization will all be associated with a history of LEI...
June 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28619395/the-new-front-in-the-war-on-doping-amateur-athletes
#6
April D Henning, Paul Dimeo
The war on drugs is usually associated with criminal policies aimed at stemming consumption of drugs such as heroin, cocaine, and cannabis, less so with enhancement drugs like those used in sport. As drug use in sport, or doping, has become more visibly widespread, policies aimed at combating the issue have become more restrictive, intrusive, and harsh. In this article we draw new comparisons between the wider war on drugs and recent developments in sports anti-doping. We identify a growing trend towards criminalisation of traffickers and users, and associate that with another growing trend: the testing of amateur athletes...
June 12, 2017: International Journal on Drug Policy
https://www.readbyqxmd.com/read/28606439/the-epidemiological-analysis-of-maxillofacial-fractures-in-italy-the-experience-of-a-single-tertiary-center-with-1720-patients
#7
Paola Bonavolontà, Giovanni Dell'aversana Orabona, Vincenzo Abbate, Luigi Angelo Vaira, Carmelo Lo Faro, Marzia Petrocelli, Federica Attanasi, Giacomo De Riu, Giorgio Iaconetta, Luigi Califano
PURPOSE: Maxillofacial fractures represent a serious public health problem. Their epidemiology is extremely variable, and its analysis is crucial to establish effective treatment and prevention of these injuries. However only two works have been published about maxillofacial fracture epidemiology in Italy. MATERIALS AND METHODS: The records of 1720 patients diagnosed with maxillofacial fractures in a 15-years period (2001-2015) in our department were retrospectively reviewed...
May 17, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28605235/effects-of-hip-strengthening-on-neuromuscular-control-hip-strength-and-self-reported-functional-deficits-in-individuals-with-chronic-ankle-instability
#8
Brent I Smith, Carrie L Docherty, Denice Curtis
CONTEXT: Deficits in ankle and hip strength and lower extremity postural control are associated with chronic ankle instability (CAI). Following strength training, muscle groups demonstrate increased strength. This change is partially credited to improved neuromuscular control and many studies have investigated ankle protocols for subjects with CAI. The effects of isolating hip musculature in strength training protocols in this population is not well understood. OBJECTIVE: Examine the effects of hip strengthening on clinical and self-reported outcomes in patients with CAI...
June 12, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28596954/assessment-of-health-needs-in-children-with-congenital-upper-limb-differences-in-nicaragua-community-case-study
#9
Maria F Canizares, Jairo J Rios Roque, Gabriel Ramos Zelaya, Michelle A James
Congenital anomalies are prevalent in Nicaragua, and disability is estimated to be 10% in the general population. We studied children with congenital upper limb differences, as they are vulnerable to disability. This case study documents a collaborative effort between American and Nicaraguan orthopedic surgeons to determine unmet health needs of children with congenital upper limb differences at Hospital Manuel de Jesus Rivera ("La Mascota" Hospital) in Nicaragua, with the goal of developing programs that successfully address these needs within the context of the priorities of the community...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28594521/pediatric-distal-radius-fractures
#10
Karan Dua, Joshua M Abzug, Andrea Sesko Bauer, Roger Cornwall, Theresa O Wyrick
Distal radius fractures are the most common orthopaedic injury that occur in the pediatric population. The annual incidence of distal radius fractures has increased as a result of earlier participation in sporting activities, increased body mass index, and decreased bone mineral density. Most distal radius fractures are sustained after a fall onto an outstretched arm that results in axial compression on the extremity or from direct trauma to the extremity. Physeal fractures of the distal radius are described based on the Salter-Harris classification system...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28594519/pediatric-scaphoid-fractures
#11
Beverlie Ting, Andrea Sesko Bauer, Joshua M Abzug, Roger Cornwall, Theresa O Wyrick, Donald S Bae
Scaphoid fractures are the most common type of carpal injuries that occur in children and adolescents. The injury pattern seen in children and adolescents who have scaphoid fractures has recently shifted to resemble that of adults who have scaphoid fractures, with scaphoid waist fractures being the most common injury pattern. This shift has been attributed to increased body mass index in children and adolescents as well as more intense participation in extreme sports by both children and adolescents. The diagnosis of scaphoid fractures is based on both a clinical examination and radiographic fi ndings...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28581687/adverse-life-events-cardiovascular-responses-and-sports-performance-under-pressure
#12
Lee J Moore, Tom Young, Paul Freeman, Mustafa Sarkar
Research suggests that experiencing a moderate number of adverse life events can benefit future stress responses. This study explored the relationship between adverse life (i.e., non-sport) events and cardiovascular responses to, and performance during, a pressurized sporting task. One hundred participants (64 men, 36 women; Mage = 21.94 years, SDage = 4.98) reported the number of adverse life events (e.g., serious accident or injury) they had encountered before completing a pressurized dart-throwing task during which performance was recorded...
June 5, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28564742/prophylactic-bracing-has-no-effect-on-lower-extremity-alignment-or-functional-performance
#13
Garrett A Hueber, Emily A Hall, Brad W Sage, Carrie L Docherty
Prophylactic ankle bracing is commonly used during physical activity. Understanding how bracing affects body mechanics is critically important when discussing both injury prevention and sport performance. The purpose is to determine if ankle bracing affects lower extremity mechanics during the Landing Error Scoring System test (LESS) and Sage Sway Index (SSI). Thirty physically active participants volunteered for this study. Participants completed the LESS and SSI in both a braced and unsupported conditions...
May 31, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28555532/insights-into-the-epidemiology-aetiology-and-associations-of-infraspinatus-atrophy-in-overhead-athletes-a-systematic-review
#14
Dimitrios Challoumas, Georgios Dimitrakakis
Infraspinatus atrophy (IA) is much more prevalent in overhead sports compared with the general population. Its exact aetiology in this group of athletes remains unclear and definitive associations with pathology and performance have not yet been reached. The aim of this systematic review is to present the evidence on IA in overhead athletes focussing on the proposed mechanisms of suprascapular neuropathy and its associations with shoulder pathology and performance. A thorough literature search via Medline, EMBASE and Scopus was performed...
May 30, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28552834/high-impact-sport-after-hip-resurfacing-the-ironman-triathlon
#15
J Girard, A Lons, T Pommepuy, R Isida, K Benad, S Putman
BACKGROUND: Returning to high-impact sport is an increasingly frequent functional demand following hip replacement. The literature, however, is sparse on the subject and nonexistent regarding triathlon. We therefore conducted a retrospective study of hip resurfacing in triathlon players, to determine: (1) whether it is possible to return to this kind of sport; (2) if so, whether it is possible to return to the same level; and (3) how a resurfaced hip behaves under these conditions. HYPOTHESIS: Hip resurfacing allows return to competition level in long-distance triathlon...
May 25, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28550780/dioxin-in-the-river-elbe
#16
Rainer Götz, Michael Bergemann, Burkhard Stachel, Gunther Umlauf
This paper provides a macro-analysis of the dioxin contamination in the river Elbe from the 1940s to the present. Based on different data sets, the historic dioxin concentration in the Elbe has been reconstructed. For the section between the tributary Mulde and Hamburg, during the 1940s, we find a concentration of about 1500 pg WHO-TEQ g(-1). We argue that this dioxin contamination was caused mainly by emissions from a magnesium plant in Bitterfeld-Wolfen, whose effluents were discharged into a tributary of the river Mulde which flows into the Elbe...
May 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28549892/radial-head-arthroplasty-in-the-active-duty-military-service-member-with-minimum-2-year-follow-up
#17
John C Dunn, Nicholas A Kusnezov, Logan R Koehler, Emmanuel D Eisenstein, Kelly G Kilcoyne, Justin D Orr, Justin S Mitchell
PURPOSE: Radial head arthroplasty (RHA) is a viable treatment for complex radial head fracture. Whereas elbow stability and function is typically restored at short- to mid-term follow-up, the outcome in higher-demand populations is not well defined. We sought to characterize the functional and occupational outcomes following RHA in an active duty military population with intense upper extremity demands. METHODS: We retrospectively reviewed the records of all U.S...
May 24, 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28545717/preseason-screening-of-shoulder-range-of-motion-and-humeral-retrotorsion-does-not-predict-injury-in-high-school-baseball-players
#18
Sakiko Oyama, Elizabeth E Hibberd, Joseph B Myers
BACKGROUND: Shoulder and elbow injuries are commonplace in high school baseball. Although altered shoulder range of motion (ROM) and humeral retrotorsion angles have been associated with injuries, the efficacy of preseason screening of these characteristics remains controversial. METHODS: We conducted preseason screenings for shoulder internal and external rotation ROM and humeral retrotorsion on 832 high school baseball players and tracked their exposure and incidence on throwing-related shoulder and elbow injuries during a subsequent season...
May 22, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28542091/normative-data-for-critical-speed-and-d-for-high-level-male-rugby-players
#19
Mark Kramer, Ida E Clark, Nick Jamnick, Cody Strom, Robert W Pettitt
The critical speed (CS) concept helps characterize the aerobic and anaerobic fitness of an athlete. Rugby players should hypothetically have modest CS values but extremely high curvature constant (D') values, yet, normative data are currently unavailable. To develop normative data of CS and D' for high-level male rugby players, a total of 30 male rugby players, were recruited from the Eastern Cape of South Africa. All subjects performed the running 3-min all-out exercise test (3 MT) using global positioning system (GPS) technology to determine CS and D'...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28541651/channel-crack-designed-gold-pu-sponge-for-highly-elastic-piezoresistive-sensor-with-excellent-detectability
#20
Yun-Hui Wu, Hai-Zhou Liu, Song Chen, Xu-Chu Dong, Ping-Ping Wang, Shu-Qi Liu, Yong Lin, Yong Wei, Lan Liu
It is a great challenge to fabricate piezoresistive sensors that possess high elasticity, large-area compliance, and excellent detectability to satisfy both extremely tiny and large human activity monitoring. Herein, a novel and facile strategy is reported to manufacture highly elastic channel crack-based gold@PU sponge piezoresistive material. The elastic 3D conductive network is successfully prepared by gold ion sputtering, and channel cracks are skillfully designed on the 3D sponge skeletons. Such novel structure makes these fabricated sensors are capable of monitoring both tiny and large human motions, which originate from the nanocrack joint sensing mechanism and physical contact of conductive interconnected network...
June 5, 2017: ACS Applied Materials & Interfaces
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