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https://www.readbyqxmd.com/read/29351221/mechanical-structural-design-of-a-mems-based-piezoresistive-accelerometer-for-head-injuries-monitoring-a-computational-analysis-by-increments-of-the-sensor-mass-moment-of-inertia
#1
Marco Messina, James Njuguna, Chrysovalantis Palas
This work focuses on the proof-mass mechanical structural design improvement of a tri-axial piezoresistive accelerometer specifically designed for head injuries monitoring where medium-G impacts are common; for example, in sports such as racing cars or American Football. The device requires the highest sensitivity achievable with a single proof-mass approach, and a very low error (<1%) as the accuracy for these types of applications is paramount. The optimization method differs from previous work as it is based on the progressive increment of the sensor proof-mass mass moment of inertia (MMI) in all three axes...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29349975/-clinical-research-on-the-arthroscopic-treatment-for-recurrent-patellar-dislocation-by-anatomical-reconstruction-of-medial-patellarfemoral-ligament
#2
Zhen-Yang Yu, Xu Cai, Wang Gu
OBJECTIVE: To observe the therapeutic effects of arthroscopic treatment for recurrent patellar dislocation by anatomical reconstruction of medial patellarfemoral ligament. METHODS: From June 2009 to December 2014, 25 patients with recurrent patellar dislocation were treated with anatomical reconstruction of medial patellarfemoral ligament surgery under arthroscopy. There were 10 males and 15 females, with an average age of 18.4 years old (ranged, 15 to 25 years old )...
April 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29349651/epidemiology-of-head-injuries-focusing-on-concussions-in-team-contact-sports-a-systematic-review
#3
REVIEW
Annika Prien, Alexander Grafe, Roland Rössler, Astrid Junge, Evert Verhagen
BACKGROUND: Although injuries to the head represent a small proportion of all sport injuries, they are of great concern due to their potential long-term consequences, which are even suspected in mild traumatic brain injuries. OBJECTIVE: The aim of this review was to compare the incidence of concussions and other head injuries in elite level football, rugby, ice hockey and American Football. METHODS: Four electronic databases (CINAHL, PsycINFO, Web of Science, PubMed) were searched...
January 18, 2018: Sports Medicine
https://www.readbyqxmd.com/read/29349095/spinal-motocross-injuries-in-the-united-kingdom
#4
Rohit Singh, Amit Bhalla, Matthew Ockendon, Stuart Hay
Background: Motocross is a form of motorcycle racing held on established off-road circuits and has been a recreational and competitive sport across the world for >100 years. In the United Kingdom alone, motocross has grown into a phenomenally ambitious and popular franchise. There are >200 motocross clubs across the country, permitting >900 events annually. Purpose: To assess the current trend of spine-related motocross injuries over the past 5 years. Study Design: Descriptive epidemiology study...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29349094/upper-extremity-functional-status-of-female-youth-softball-pitchers-using-the-kerlan-jobe-orthopaedic-clinic-questionnaire
#5
Kaila A Holtz, Russell J O'Connor
Background: Softball is a popular sport with a high incidence of upper extremity injuries. The Kerlan-Jobe Orthopaedic Clinic (KJOC) questionnaire is a validated performance and functional assessment tool used in overhead athletes. Upper extremity pain patterns and baseline KJOC scores have not been reported for active female youth softball pitchers. Purpose/Hypothesis: The purpose of this study was to establish the prevalence of upper extremity pain and its effect in female youth softball pitchers over a competitive season...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29347941/a-five-year-retrospective-study-of-the-epidemiological-characteristics-and-visual-outcomes-of-pediatric-ocular-trauma
#6
Edita Puodžiuvienė, Giedrė Jokūbauskienė, Monika Vieversytė, Kirwan Asselineau
BACKGROUND: Pediatric trauma can lead to serious visual impairment as a result of the trauma itself or secondary to amblyopia. Precise data on epidemiological characteristics and visual outcomes of pediatric ocular injuries are valuable for the prevention of monocular blindness. METHODS: A total of 268 cases of pediatric ocular trauma admitted to the Department of Ophthalmology of the Lithuanian University of Health Sciences Hospital from January 2008 to December 2013 were retrospectively reviewed...
January 18, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29345524/recovery-and-performance-in-sport-consensus-statement
#7
Michael Kellmann, Maurizio Bertollo, Laurent Bosquet, Michel Brink, Aaron Coutts, Rob Duffield, Daniel Erlacher, Shona Halson, Anne Hecksteden, Jahan Heidari, Romain Meeusen, Iñigo Mujika, Claudio Robazza, Sabrina Skorski, Ranel Venter, Jürgen Beckmann
The relationship between recovery and fatigue and its impact on performance has attracted the interest of sports science for many years. An adequate balance between stress (training and competition load, other life demands) and recovery is essential for athletes to achieve continuous high-level performance. Research has focused on the examination of physiological and psychological recovery strategies to compensate external and internal training and competition loads. A systematic monitoring of recovery and the subsequent implementation of recovery routines aims at maximizing performance and preventing negative developments such as underrecovery, non-functional overreaching, the overtraining syndrome, injuries, or illnesses...
January 18, 2018: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29345519/-i-just-roll-over-pick-myself-up-and-carry-on-exploring-the-fall-risk-experience-of-canadian-masters-athletes
#8
Dylan Brennan, Aleksandra A Zecevic, Shannon L Sibbald, Volker Nolte
OBJECTIVES: The risk of falling increases in adults over the age of 65. A common barrier to take up physical activity in sedentary older adults is the fear of falls and injury. Experiences of masters athletes can provide insights into management of the risk for falling. The purpose of this phenomenological study was to explore the fall-risk experience of masters athletes actively competing in sport. METHODS: Masters athletes over the age of 55 (n=22) described their experiences in semi-structured interviews...
January 18, 2018: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/29344768/diagnosis-and-treatment-of-injuries-to-the-biceps-and-superior-labral-complex-in-overhead-athletes
#9
REVIEW
Jacob G Calcei, Venkat Boddapati, David W Altchek, Christopher L Camp, Joshua S Dines
PURPOSE OF REVIEW: This review discusses the diagnostic and treatment challenges presented by injuries to the biceps and superior labral complex. RECENT FINDINGS: A focused patient history, numerous physical examination maneuvers, and appropriate advanced imaging studies must be utilized to reach an accurate diagnosis. Nonoperative management, even in overhead athletes, has demonstrated relatively good outcomes, while operative outcomes have yielded mixed results...
January 17, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29343462/a-tailored-web-based-advice-tool-for-skiers-and-snowboarders-protocol-for-a-randomized-controlled-trial
#10
Ellen Kemler, Vincent Gouttebarge
BACKGROUND: Being active in sports has many positive health effects. The direct effects of engaging in regular physical activity are particularly apparent in the prevention of several chronic diseases, including cardiovascular disease, diabetes, cancer, hypertension, obesity, depression, and osteoporosis. Besides the beneficial health effects of being active, sports participation is unfortunately also associated with a risk of injuries. In the case of many sports injuries (eg, winter sports) preventive measures are not compulsory, which means that a behavioral change in sports participants is necessary to increase the use of effective measures, and subsequently prevent or reduce injuries in sports...
January 17, 2018: JMIR Research Protocols
https://www.readbyqxmd.com/read/29340745/a-6-week-warm-up-injury-prevention-programme-results-in-minimal-biomechanical-changes-during-jump-landings-a-randomized-controlled-trial
#11
Jeffrey B Taylor, Kevin R Ford, Randy J Schmitz, Scott E Ross, Terry A Ackerman, Sandra J Shultz
PURPOSE: To examine the extent to which an ACL injury prevention programme modifies lower extremity biomechanics during single- and double-leg landing tasks in both the sagittal and frontal plane. It was hypothesized that the training programme would elicit improvements in lower extremity biomechanics, but that these improvements would be greater during a double-leg sagittal plane landing task than tasks performed on a single leg or in the frontal plane. METHODS: Ninety-seven competitive multi-directional sport athletes that competed at the middle- or high-school level were cluster randomized into intervention (n = 48, age = 15...
January 16, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29337721/continuing-play-symptom-severity-and-symptom-duration-after-concussion-in-youth-athletes
#12
David R Howell, Michael J OʼBrien, Joana Fraser, William P Meehan
OBJECTIVE: To determine whether continuing to play after a concussion is associated with higher symptom burden or prolonged symptom duration. DESIGN: Patients who presented for care at a sport concussion clinic within the first 3 weeks of injury were asked whether they continued to play immediately after their injury. SETTING: Sport concussion clinic within a regional tertiary care hospital. MAIN OUTCOME MEASURES: Clinical outcomes including symptom severity, symptom duration, age, time from injury-clinical presentation, sex, sport type, previous concussion history, and whether or not they experienced loss of consciousness or amnesia at the time of injury were recorded...
January 15, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29337720/update-on-the-role-of-actovegin-in-musculoskeletal-medicine-a-review-of-the-past-10-years
#13
James Brock, David Golding, Paul M Smith, Len Nokes, Alvin Kwan, Paul Y F Lee
BACKGROUND: Actovegin is a biological drug with a controversial history of use in the treatment of sports injuries during the past 60 years. Particular concerns have been raised about its ergogenic potential to enhance performance, but some of these have been based on little more than anecdote. OBJECTIVES: In this article, we review the most recent scientific evidence to determine the clinical efficacy, safety profile, and legal status of Actovegin. METHODS: We considered all studies directly commenting on experience with Actovegin use as the primary intervention within the past 10 years...
January 15, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29336208/the-effects-of-sex-differences-and-hormonal-contraception-on-outcomes-following-collegiate-sports-related-concussion
#14
Virginia Terwilliger Gallagher, Natalie Kramer, Kristin Abbott, John Alexander, Hans Breiter, Amy Herrold, Tory Lindley, Jeffrey Mjaanes, James Reilly
There is conflicting evidence regarding whether females are more adversely affected following concussion relative to males. Further, recent research suggests hormonal contraceptive (HC) use may affect symptom severity and duration post-concussion. The objective of this study was to examine the effects of sex and HC use on outcomes following concussion among collegiate varsity athletes. We hypothesized females would have longer length of recovery (LOR) and peak symptom severity would be associated with longer length of recovery in both males and females...
January 16, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29335854/nonreconstruction-options-for-treating-medial-ulnar-collateral-ligament-injuries-of-the-elbow-in-overhead-athletes
#15
REVIEW
Nicholas J Clark, Vishal S Desai, Joshua D Dines, Mark E Morrey, Christopher L Camp
PURPOSE OF REVIEW: This review aims to describe the nonreconstructive options for treating ulnar collateral ligament (UCL) injuries ranging from nonoperative measures, including physical therapy and biologic injections, to ligament repair with and without augmentation. RECENT FINDINGS: Nonoperative options for UCL injuries include guided physical therapy and biologic augmentation with platelet-rich plasma (PRP). In some patients, repair of the UCL has shown promising return to sport rates by using modern suture and suture anchor techniques...
January 15, 2018: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/29334846/scapular-motion-adaptations-in-junior-overhead-athletes-a-three-dimensional-kinematic-analysis-in-tennis-players-and-non-overhead-athletes
#16
Elif Turgut, Filiz Fatma Colakoglu, Gul Baltaci
Adult overhead athletes without a history of shoulder injury show scapular adaptations. There is a lack of detailed assessment of scapular kinematics in junior overhead athletes. This study aims to investigate three-dimensional scapular kinematics in junior overhead athletes. We recruited a total of 20 junior tennis players and 20 healthy children without participation in any overhead sports in this study. Bilateral scapular kinematic data were recorded using an electromagnetic tracking device for scapular plane glenohumeral elevation...
January 16, 2018: Sports Biomechanics
https://www.readbyqxmd.com/read/29332471/fatal-exertional-heat-stroke-and-american-football-players-the-need-for-regional-heat-safety-guidelines
#17
Andrew J Grundstein, Yuri Hosokawa, Douglas J Casa
CONTEXT:   Weather-based activity modification in athletics is an important way to minimize heat illnesses. However, many commonly used heat-safety guidelines include a uniform set of heat-stress thresholds that do not account for geographic differences in acclimatization. OBJECTIVE:   To determine if heat-related fatalities among American football players occurred on days with unusually stressful weather conditions based on the local climate and to assess the need for regional heat-safety guidelines...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29332470/a-school-based-neuromuscular-training-program-and-sport-related-injury-incidence-a-prospective-randomized-controlled-clinical-trial
#18
Kim D Barber Foss, Staci Thomas, Jane C Khoury, Gregory D Myer, Timothy E Hewett
CONTEXT:   An estimated 40 million school-aged children (age range = 5-18 years) participate annually in sports in the United States, generating approximately 4 million sport-related injuries and requiring 2.6 million emergency department visits at a cost of nearly $2 billion. OBJECTIVE:   To determine the effects of a school-based neuromuscular training (NMT) program on sport-related injury incidence across 3 sports at the high school and middle school levels, focusing particularly on knee and ankle injuries...
January 13, 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29332225/over-90%C3%A2-of-children-and-adolescents-return-to-sport-after-anterior-cruciate-ligament-reconstruction-a-systematic-review-and-meta-analysis
#19
REVIEW
Jeffrey Kay, Muzammil Memon, Robert G Marx, Devin Peterson, Nicole Simunovic, Olufemi R Ayeni
PURPOSE: To evaluate the rate at which children and adolescent athletes return to sporting activities after anterior cruciate ligament (ACL) reconstruction. METHODS: Three databases, PubMed, MEDLINE, and EMBASE, were searched from database inception until September 9, 2017 by two reviewers independently and in duplicate. The inclusion criteria were English language studies that reported return to sport outcomes. Book chapters, conference papers, review articles, and technical reports were excluded...
January 13, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29332181/management-of-rotator-cuff-injuries-in-the-elite-athlete
#20
REVIEW
Leigh J Weiss, Dean Wang, Michael Hendel, Philip Buzzerio, Scott A Rodeo
PURPOSE OF REVIEW: Rotator cuff injuries are a common cause of pain and dysfunction for the elite athlete and can result in time loss from participation. This review highlights the current management of these injuries. RECENT FINDINGS: Conservative management of rotator cuff injuries continues to be the "gold standard" in the elite athlete. This includes a comprehensive rehabilitation program, anti-inflammatories, and corticosteroid injections. Newer treatment techniques such as intramuscular dry needling and the use of biologics such as platelet-rich plasma and stem cells demonstrate early promising results; however, these modalities require further investigation to determine their effectiveness...
January 13, 2018: Current Reviews in Musculoskeletal Medicine
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