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https://www.readbyqxmd.com/read/28719491/greater-effect-of-east-vs-west-travel-on-jet-lag-sleep-and-team-sport-performance
#1
Peter M Fowler, Wade Knez, Stephen Crowcroft, Amy E Mendham, Joanna Miller, Charlie Sargent, Shona Halson, Rob Duffield
PURPOSE: Determine the recovery timeline of sleep, subjective jet-lag and fatigue, and team-sport physical performance following east and west long-haul travel. METHODS: Ten, physically-trained males underwent testing at 09:00 (AM) and 17:00 (PM) local time on four consecutive days two weeks prior to outbound travel (BASE), and the first four days following 21 h of outbound (WEST) and return (EAST) air travel across eight time-zones between Australia and Qatar. Data collection included performance (countermovement jump [CMJ], 20-m sprint and Yo-Yo Intermittent Recovery level 1 [YYIR1] test) and perceptual (jet-lag, motivation, perceived exertion and physical feeling) measures...
July 17, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28717614/activity-level-recovery-after-acute-achilles-tendon-rupture-surgically-repaired-a-series-of-29-patients-with-a-mean-follow-up-of-46-months
#2
Richard Zayni, Raphaël Coursier, Moudasser Zakaria, Jean-François Desrousseaux, Denis Cordonnier, Gilles Polveche
BACKGROUND: Achilles tendon rupture is a common injury but its optimal management is still controversial. When decided, surgical repair can be performed by open or percutaneous techniques. Till now, there is no agreement on the ideal type of surgical management. PURPOSE: To compare the outcomes of the percutaneous and open surgical treatment for acute Achilles tendon rupture and to assess the postoperative activity level recovery. METHODS: Between 2008 and 2013, 29 patients were surgically treated for acute Achilles tendon rupture in our institution...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28716692/the-fatigue-of-a-full-body-resistance-exercise-session-in-trained-men
#3
Paul W M Marshall, Rebecca Cross, Michael Haynes
OBJECTIVES: We examined the fatigue and recovery for 48h following a full-body resistance exercise session in trained men. DESIGN: Experimental cross-sectional study. METHODS: Eight resistance trained men volunteered to participate (mean±SD; age 27.0±6.0 years, height 1.79±0.05m, weight 81.8±6.8kg, training experience 7.8±5.0 years). Fatigue and pain was measured before, after, 1h post, 24h and 48h post the full-body resistance exercise session, which was based on in-season models used in contact team sports (e...
July 4, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28714600/phytic-acid-induced-three-dimensional-graphene-for-the-enrichment-of-phthalate-esters-from-bottled-water-and-sports-beverage-samples
#4
Xinyu Liang, Juntao Wang, Juanjuan Wu, Qiuhua Wu, Chun Wang, Zhi Wang
A three-dimensional graphene was synthesized through a hydrothermal reaction of graphene oxide with phytic acid. The microstructure and morphology of the phytic acid induced three-dimensional graphene were investigated by nitrogen adsorption-desorption isotherms, scanning electron microscopy and transmission electron microscopy. With a large surface area and three-dimensional structure, the graphene was used as the solid-phase extraction adsorbent for the extraction of phthalate esters from bottled water and sports beverage samples before high-performance liquid chromatographic analysis...
July 17, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28712093/neurobiological-effect-of-selective-brain-cooling-after-concussive-injury
#5
Alexa Walter, Katie Finelli, Xiaoxiao Bai, Brian Johnson, Thomas Neuberger, Peter Seidenberg, Timothy Bream, Mark Hallett, Semyon Slobounov
The search for effective treatment facilitating recovery from concussive injury, as well as reducing risk for recurrent concussion is an ongoing challenge. This study aimed to determine: a) feasibility of selective brain cooling to facilitate clinical symptoms resolution, and b) biological functions of the brain within athletes in acute phase of sports-related concussion. Selective brain cooling for 30 minutes using WElkins sideline cooling system was administered to student-athletes suffering concussive injury (n=12; tested within 5±3 days) and those without history of concussion (n=12)...
July 15, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28710739/prevention-and-management-of-post-operative-complications-following-acl-reconstruction
#6
REVIEW
Brian J Eckenrode, James L Carey, Brian J Sennett, Miltiadis H Zgonis
PURPOSE OF REVIEW: The goal of this paper is to review the current management and prevention of post-operative complications after anterior cruciate ligament (ACL) reconstruction. Trends in rehabilitation techniques will be presented, in addition to suggestions for interventions and expected milestones in ACL reconstruction recovery. RECENT FINDINGS: ACL reconstruction protocols have evolved to more of a criterion-based progression rather than a tissue-healing time frame...
July 14, 2017: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/28708707/lightheadedness-after-concussion-not-all-dizziness-is-vertigo
#7
Geoffrey L Heyer, Julie A Young, Anastasia N Fischer
OBJECTIVE: To characterize the presence and degree of postconcussion lightheadedness in relation to postconcussion vertigo and dizziness, and to determine whether lightheadedness influences overall symptom duration. DESIGN: Prospective, cohort design. SETTING: Nationwide Children's Hospital, Sports Concussion Clinic. PARTICIPANTS: Five hundred ten patients (9-19 years of age) within 30 days of concussion injury. MAIN OUTCOME MEASURES: Patient ratings (scale 0-6) of multiple postconcussion symptoms including lightheadedness, vertigo, and dizziness, reported from the day of clinic evaluation and recalled from the day of concussion...
July 11, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28706467/ketogenic-diet-benefits-body-composition-and-well-being-but-not-performance-in-a-pilot-case-study-of-new-zealand-endurance-athletes
#8
Caryn Zinn, Matthew Wood, Mikki Williden, Simon Chatterton, Ed Maunder
BACKGROUND: Low-carbohydrate, high-fat and ketogenic diets are increasingly adopted by athletes for body composition and sports performance enhancements. However, as yet, there is no consensus on their efficacy in improving performance. There is also no comprehensive literature on athletes' experiences while undertaking this diet. The purpose of this pilot work was two-fold: i. to examine the effects of a non-calorie controlled ketogenic diet on body composition and performance outcomes of endurance athletes, and ii...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28704621/making-sense-of-low-back-pain-and-pain-related-fear
#9
Samantha Bunzli, Anne Smith, Robert Schütze, Ivan Lin, Peter O'Sullivan
Synopsis Pain-related fear is implicated in the transition from acute to chronic low back pain and the persistence of disabling low back pain, making it a key target for physiotherapy intervention. The current understanding of pain-related fear is that it is a psychopathological problem where people who catastrophise about the meaning of pain become trapped in a vicious cycle of avoidance behaviour, pain and disability, as recognised in the Fear Avoidance Model. However there is evidence that pain-related fear can also be seen as a common sense response to deal with low back pain, for example, when one is told that their back is vulnerable, degenerating or damaged...
July 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28702900/selected-in-season-nutritional-strategies-to-enhance-recovery-for-team-sport-athletes-a-practical-overview
#10
REVIEW
Lisa E Heaton, Jon K Davis, Eric S Rawson, Ryan P Nuccio, Oliver C Witard, Kimberly W Stein, Keith Baar, James M Carter, Lindsay B Baker
Team sport athletes face a variety of nutritional challenges related to recovery during the competitive season. The purpose of this article is to review nutrition strategies related to muscle regeneration, glycogen restoration, fatigue, physical and immune health, and preparation for subsequent training bouts and competitions. Given the limited opportunities to recover between training bouts and games throughout the competitive season, athletes must be deliberate in their recovery strategy. Foundational components of recovery related to protein, carbohydrates, and fluid have been extensively reviewed and accepted...
July 12, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28699709/-sport-related-concussion
#11
Silvia Bonfanti, Victoria Duthon, Jean-Luc Ziltener, Jacques Menetrey
Sport-related concussion is a frequent and complex pathology whose physiopathological mechanisms are not completely understood yet. A recent consensus statement has been published with the objective to provide practicioners with an overview of literature and give some guidelines based on the current state of knowledge. An 11R approach (Recognise, Remove, Re-evaluate, Rest, Rehabilitation, Refer, Recover, Return to sport, Reconsider, Residual effects and sequelae, Risk reduction) is proposed to evaluate and manage sport-related concussion...
July 12, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28690008/laminin-mimetic-peptide-nanofibers-regenerate-acute-muscle-defect
#12
Cagla Eren Cimenci, Gozde Uzunalli, Ozge Uysal, Fatih Yergoz, Ebru Karaca Umay, Mustafa O Guler, Ayse B Tekinay
Skeletal muscle cells are terminally differentiated and require the activation of muscle progenitor (satellite) cells for their regeneration. There is a clinical need for faster and more efficient treatment methods for acute muscle injuries, and the stimulation of satellite cell proliferation is promising in this context. In this study, we designed and synthesized a laminin-mimetic bioactive peptide (LM/E-PA) system that is capable of accelerating satellite cell activation by emulating the structure and function of laminin, a major protein of the basal membrane of the skeletal muscle...
July 8, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28689823/performance-and-return-to-sport-in-elite-baseball-players-and-recreational-athletes-following-repair-of-the-latissimus-dorsi-and-teres-major
#13
Brandon J Erickson, Peter N Chalmers, Brian R Waterman, Justin W Griffin, Anthony A Romeo
BACKGROUND: Tears of the latissimus dorsi (LD) and teres major (TM) are rare but disabling injuries in the overhead athlete. METHODS: All patients who underwent an LD and/or TM repair between January 1, 2010, and June 6, 2016, with more than 12 months' follow-up were included. Demographic information and postoperative range of motion were recorded. Patients were contacted via phone and answered questions to provide the following: Kerlan-Jobe Orthopaedic Clinic (KJOC) shoulder and elbow outcome score, American Shoulder and Elbow Surgeons (ASES) shoulder score, and visual analog scale (VAS) score...
July 6, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28680900/semitendinosus-tendon-for-acl-reconstruction-regrowth-and-mechanical-property-recovery
#14
Stephen M Suydam, Daniel H Cortes, Michael J Axe, Lynn Snyder-Mackler, Thomas S Buchanan
BACKGROUND: Semitendinosus/gracilis (STG) tendon autograft has been used effectively for restoring knee stability after anterior cruciate ligament (ACL) rupture. Though ACL reconstruction with STG autograft is an effective surgical technique for return to sports, short-term hamstring strength asymmetries exist after surgery. Although imaging evidence has demonstrated regrowth and reorganization of the semitendinosus (ST) tendon, no studies show whether the regrowth is associated with residual muscle function...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28680897/high-prevalence-of-nontraumatic-shoulder-pain-in-a-regional-sample-of-female-high-school-volleyball-athletes
#15
Kayt E Frisch, Jacob Clark, Chad Hanson, Chris Fagerness, Adam Conway, Lindsay Hoogendoorn
BACKGROUND: Shoulder pain is becoming increasingly problematic in young players as volleyball gains popularity. Associations between repetitive motion and pain and overuse injury have been observed in other overhand sports (most notably baseball). Studies of adult athletes suggest that there is a shoulder pain and overuse problem present in volleyball players, but minimal research has been done to establish rates and causes in juvenile participants. PURPOSE: To establish rates of shoulder pain, regardless of whether it resulted in a loss of playing time, in female high school volleyball players...
June 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28673415/sleep-recovery-and-performance-in-sports
#16
REVIEW
Raman K Malhotra
Poor sleep can lead to decreases in performance and recovery for athletes. Sleep disorders and symptoms are commonly seen in athletes, and may be unrecognized. It is important to educate athletes on adequate duration, quality, and timing of sleep. Interventions may include changes to practice times or careful planning for travel to games in different time zones. It is important to screen and treat sleep disorders such as sleep apnea and insomnia that are seen in some athletes. In patients who suffer concussion, it is important to address sleep issues, as poor sleep can prolong or exacerbate other concussion symptoms...
August 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/28673410/blood-based-biomarkers-for-the-identification-of-sports-related-concussion
#17
REVIEW
Martina Anto-Ocrah, Courtney Marie Cora Jones, Danielle Diacovo, Jeffrey J Bazarian
Sports-related concussions (SRCs) are common among athletes in the United States. Most athletes who sustain an SRC recover within 7 to 10 days; however, many athletes who sustain the injury do not recover as expected and experience prolonged, persistent symptoms. In this document, the authors provide an overview of the empirical evidence related to the use of blood-based brain biomarkers in the athlete population for diagnosis of SRCs, prognosis of recovery and return to play guidelines, and indications of neurodegeneration...
August 2017: Neurologic Clinics
https://www.readbyqxmd.com/read/28670666/epidemiologic-comparisons-of-soccer-related-injuries-presenting-to-emergency-departments-and-reported-within-high-school-and-collegiate-settings
#18
Zachary Y Kerr, Lauren A Pierpoint, Dustin W Currie, Erin B Wasserman, R Dawn Comstock
BACKGROUND: Few studies compare sports injury patterns in different settings. This study described the epidemiology of soccer injuries presenting to emergency departments (EDs) and compared injuries presenting to EDs to injuries presenting to collegiate and high school athletic trainers (ATs). METHODS: Soccer-related injuries (product code 1267) in the National Electronic Injury Surveillance System (NEISS) that were sustained by individuals at least two years of age in 2004-2013 were included...
December 2017: Injury Epidemiology
https://www.readbyqxmd.com/read/28668619/internal-training-load-and-its-longitudinal-relationship-with-seasonal-player-wellness-in-elite-professional-soccer
#19
Filipe Manuel Clemente, Bruno Mendes, Pantelis Theodoros Nikolaidis, Francisco Calvete, Sandro Carriço, Adam Lee Owen
Monitoring internal training load has been extensively used and described within team sport environments, however when compared to internal physiological measures such as heart rate (HR) and rating of perceived exertion (RPE), the literature is sparse. The primary aim of this investigation study was to assess differences of playing position on ITL, session-RPE and wellness across two different training microcycles (1 vs. 2 competitive games), in addition with examining the relationship between ITL and Hooper's Index across an entire season...
June 28, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28666398/how-do-we-meet-the-challenge-of-whiplash
#20
James M Elliott, David M Walton
A previous special issue of JOSPT (October 2016) discussed whiplash in terms of the clinical problems and current research surrounding prevention, biomechanics of injury, emergent care, imaging advancements, recovery pathways and prognosis, pathogenesis of posttrauma pain, acute and chronic management, and new predictive clinical tools. While great strides have been made in the field of whiplash and are continuing in earnest, a key group of clinicians and academics have recognized that inconsistent outcomes in published literature hamper our ability to meaningfully synthesize research findings, leading to results of systematic reviews that provide very few concrete clinical recommendations...
July 2017: Journal of Orthopaedic and Sports Physical Therapy
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