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https://www.readbyqxmd.com/read/28445225/physical-fitness-and-body-composition-in-8-10-year-old-danish-children-are-associated-with-sports-club-participation
#1
Malte N Larsen, Claus M Nielsen, Christina Ørntoft, Morten Br Thomsen, Vibeke Manniche, Lone Hansen, Peter R Hansen, Jens Bangsbo, Peter Krustrup
We investigated whether physical fitness and body composition in 8-10-year-old Danish children are associated with sports club participation. The study included 423 schoolchildren, comprising 209 girls and 214 boys, of whom 67 and 74%, respectively, were active in sports clubs. Yo-Yo Intermittent Recovery level 1 for Children (YYIR1C), balance, jump and coordination tests, together with DXA scans, were used to determine exercise capacity and body composition. Children active in sports clubs had better (P<0...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28435584/intra-articular-entrapment-of-medial-epicondyle-fracture-fragment-in-elbow-joint-dislocation-causing-ulnar-neuropraxia-a-case-report
#2
J Syed, A R Zamri, S Jamaluddin, J K Ruben, M Gopindran
Traumatic elbow dislocations in children are rare but most of them are complex dislocations, and in such dislocations, medial humerus epicondyle fractureis the most common associated injury. Fracture incarceration in the elbow joint occurs in 5-18% of medial humerus epicondyle fractures but ulnar neuropraxia is very rare. Open reduction internal fixation is indicated in medial humerus epicondyle fracture with fracture incarceration, ulnar neuropraxia, marked instability or open fracture. Operative treatment options include fragment excision and sutures, closed or open reduction and Kirschner wire fixation, open reduction and suture fixation, open reduction and smooth pin fixation, and open reduction and screw fixation...
March 2017: Malaysian Orthopaedic Journal
https://www.readbyqxmd.com/read/28435336/anterior-cruciate-ligament-injury-reinjury-in-alpine-ski-racing-a-narrative-review
#3
REVIEW
Matthew J Jordan, Per Aagaard, Walter Herzog
The purpose of the present review was to: 1) provide an overview of the current understanding on the epidemiology, etiology, risk factors, and prevention methods for anterior cruciate ligament (ACL) injury in alpine ski racing; and 2) provide an overview of what is known pertaining to ACL reinjury and return to sport after ACL injury in alpine ski racing. Given that most of the scientific studies on ACL injuries in alpine ski racing have been descriptive, and that very few studies contributed higher level scientific evidence, a nonsystematic narrative review was employed...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28426515/can-transcranial-direct-current-stimulation-improve-muscle-power-in-individuals-with-advanced-resistance-training-experience
#4
Eduardo Lattari, Carlos Campos, Murilo Khede Lamego, Sandro Legey Passos de Souza, Geraldo M Neto, Nuno B Rocha, Aldair José de Oliveira, Sandro Carpenter, Sérgio Machado
The aim of this study was to investigate the effects of transcranial direct current stimulation (tDCS) on countermovement jump performance (CMJ) in men with advanced strength training experience. Ten healthy male subjects, with advanced strength training and squatting exercise experience, were included. Participants took part in an initial visit to the laboratory to complete anthropometric measurements and CMJ kinematic test-retest reliability. Participants then completed three experimental conditions, 48-72 hours apart, in a randomized, double-blinded crossover design: anodal, cathodal and sham tDCS (2 mA for 20 minutes targeting the motor cortex bilaterally)...
April 15, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28423285/the-epidemiology-of-high-ankle-sprains-in-national-collegiate-athletic-association-sports
#5
Timothy C Mauntel, Erik A Wikstrom, Karen G Roos, Aristarque Djoko, Thomas P Dompier, Zachary Y Kerr
BACKGROUND: Ankle sprains are among the most common injuries experienced by collegiate athletes. The type of ankle sprain is rarely differentiated in epidemiological studies. This differentiation is necessary, as each ankle sprain type has a unique injury mechanism and recovery period. High ankle sprains commonly result in long recovery periods. Thus, a further examination of the epidemiology of high ankle sprains is warranted. PURPOSE: To describe the epidemiology of high ankle sprains in National Collegiate Athletic Association (NCAA) sports during the 2009/2010-2014/2015 academic years...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28400665/arthroscopic-treatment-of-displaced-tibial-eminence-fractures-using-a-suspensory-fixation
#6
Philippe Loriaut, Pierre-Emmanuel Moreau, Patrick Loriaut, Patrick Boyer
BACKGROUND: Avulsion fractures of the tibial intercondylar eminence are fairly common injuries requiring surgery for the optimal functional outcome. The purpose of this study was to assess the clinical and radiological outcomes of an arthroscopic treatment of displaced tibial intercondylar eminence fractures using a suspensory device. MATERIAL AND METHODS: Five patients with type 2 and 3 displaced tibial intercondylar eminence fractures who received an arthroscopically assisted fixation using a double button device were enrolled from 2011 to 2012...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28387576/dietary-micro-periodization-in-elite-female-and-male-runners-and-race-walkers-during-a-block-of-high-intensity-pre-competition-training
#7
Ida Aliisa Heikura, Louise Mary Burke, Antti A Mero, Arja Leena Tuulia Uusitalo, Trent Stellingwerff
We investigated one week of dietary micro-periodization in elite female (n=23) and male (n=15) runners and race-walkers by examining the frequency of training sessions and recovery periods conducted with recommended carbohydrate (CHO) and protein availability. Food and training diaries were recorded in relation to HARD (intense or >90min sessions; KEY) versus RECOVERY days (other-than KEY sessions; EASY). The targets for amount and timing of CHO and protein around KEY sessions were based on current nutrition recommendations...
April 7, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28387575/nutritional-considerations-for-bouldering
#8
Edward J Smith, Ryan Storey, Mayur K Ranchordas
Bouldering competitions are held up to International level and governed by the International Federation of Sport Climbing. Bouldering has been selected to feature at the 2020 Olympic Games in Tokyo, however, physiological qualities and nutritional requirements to optimise performance remain inadequately defined due to large gaps in the literature. The primary goals of training include optimising the capacity of the anaerobic energy systems and developing sport-specific strength, with emphasis on the isometric function of the forearm flexors responsible for grip...
April 7, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/28387557/a-physiological-approach-to-prolonged-recovery-from-sport-related-concussion
#9
John Leddy, John G Baker, Mohammad Nadir Haider, Andrea Hinds, Barry Willer
Management of the athlete with postconcussion syndrome (PCS) is challenging because of the nonspecificity of PCS symptoms. Ongoing symptoms reflect prolonged concussion pathophysiology or conditions such as migraine headaches, depression or anxiety, chronic pain, cervical injury, visual dysfunction, vestibular dysfunction, or some combination of these. In this paper, we focus on the physiological signs of concussion to help narrow the differential diagnosis of PCS in athletes. The physiological effects of exercise on concussion are especially important for athletes...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387556/long-term-cognitive-and-neuropsychiatric-consequences-of-repetitive-concussion-and-head-impact-exposure
#10
Thomas McAllister, Michael McCrea
Initially, interest in sport-related concussion arose from the premise that the study of athletes engaged in sports associated with high rates of concussion could provide insight into the mechanisms, phenomenology, and recovery from mild traumatic brain injury. Over the last decade, concerns have focused on the possibility that, for some athletes, repetitive concussions may raise the long-term risk for cognitive decline, neurobehavioral changes, and neurodegenerative disease. First conceptualized as a discrete event with variable recovery trajectories, concussion is now viewed by some as a trigger of neurobiological events that may influence neurobehavioral function over the course of the life span...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387552/predicting-recovery-patterns-after-sport-related-concussion
#11
Elizabeth F Teel, Stephen W Marshall, Viswanathan Shankar, Michael McCrea, Kevin M Guskiewicz
CONTEXT: Clinicians sometimes treat concussed individuals who have amnesia, loss of consciousness (LOC), a concussion history, or certain symptom types more conservatively, but it is unclear whether recovery patterns differ in individuals with these characteristics. OBJECTIVE: To determine whether (1) amnesia, LOC, and concussion history influence the acute recovery of symptoms, cognition, and balance; and (2) cognition and balance are influenced by acute symptom type...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387551/evaluation-of-nintendo-wii-balance-board-as-a-tool-for-measuring-postural-stability-after-sport-related-concussion
#12
Kian Merchant-Borna, Courtney Marie Cora Jones, Mattia Janigro, Erin B Wasserman, Ross A Clark, Jeffrey J Bazarian
CONTEXT: Recent changes to postconcussion guidelines indicate that postural-stability assessment may augment traditional neurocognitive testing when making return-to-participation decisions. The Balance Error Scoring System (BESS) has been proposed as 1 measure of balance assessment. A new, freely available software program to accompany the Nintendo Wii Balance Board (WBB) system has recently been developed but has not been tested in concussed patients. OBJECTIVE: To evaluate the feasibility of using the WBB to assess postural stability across 3 time points (baseline and postconcussion days 3 and 7) and to assess concurrent and convergent validity of the WBB with other traditional measures (BESS and Immediate Post-Concussion Assessment and Cognitive Test [ImPACT] battery) of assessing concussion recovery...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28387548/review-of-vestibular-and-oculomotor-screening-and-concussion-rehabilitation
#13
Anthony P Kontos, Jamie McAllister Deitrick, Michael W Collins, Anne Mucha
Vestibular and oculomotor impairment and symptoms may be associated with worse outcomes after sport-related concussion (SRC), including prolonged recovery. In this review, we evaluate current findings on vestibular and oculomotor impairments as well as treatment approaches after SRC, and we highlight areas in which investigation is needed. Clinical researchers have intimated that recovery from SRC may follow certain clinical profiles that affect the vestibular and oculomotor pathways. Identifying clinical profiles may help to inform better treatment and earlier intervention to reduce recovery time after SRC...
March 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28385561/a-multifactorial-evaluation-of-illness-risk-factors-in-athletes-preparing-for-the-summer-olympic-games
#14
Michael K Drew, Nicole Vlahovich, David Hughes, Renee Appaneal, Kirsten Peterson, Louise Burke, Bronwen Lundy, Mary Toomey, David Watts, Gregory Lovell, Stephan Praet, Shona Halson, Candice Colbey, Silvia Manzanero, Marijke Welvaert, Nic West, David B Pyne, Gordon Waddington
OBJECTIVES: Illness can disrupt training and competition performance of athletes. Few studies have quantified the relative contribution of the known medical, behavioural and lifestyle risk factors. DESIGN: Cross-sectional. METHODS: Olympic athletes from 11 sports (n=221) were invited to complete questionnaires administered nine months before the Rio 2016 Olympic Games. These included the Depression, Anxiety and Stress Questionnaire (DASS-21), Perceived Stress Scale (PSS), Dispositional Resilience Scale (DRS), Recovery-Stress Questionnaire (REST-Q-52 item), Low Energy in Females Questionnaire (LEAF-Q), a modified Personal and Household Hygiene questionnaire, Epworth Sleepiness Scale, Pittsburgh Sleep Quality Index, and custom-made questionnaires on probiotic usage and travel...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28376678/whole-body-precooling-attenuates-the-extracellular-hsp72-il-6-and-il-10-responses-after-an-acute-bout-of-running-in-the-heat
#15
Ben J Lee, Neil D Clarke, Joanne Hankey, Charles D Thake
The impact of whole-body precooling on the extracellular heat shock protein 72 (eHSP72) and cytokine responses to running in the heat is undefined. The aim of this study was to determine whether precooling would attenuate post-exercise eHSP72 and cytokine responses. Eight male recreational runners completed two 90-minute bouts of running at 65% [Formula: see text]O2max in 32 ± 0.9°C and 47 ± 6 % relative humidity (RH) preceded by either 60-minutes of precooling in 20.3 ± 0.3°C water (COOL) or 60 min rest in an air-conditioned laboratory (20...
April 5, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/28368959/the-effects-of-a-cycling-warm-up-including-high-intensity-heavy-resistance-conditioning-contractions-on-subsequent-4-km-time-trial-performance
#16
Alan Chorley, Kevin L Lamb
Prior exercise has been shown to improve subsequent performance via different mechanisms. Sport-specific conditioning contractions can be used to exploit the 'post-activation potentiation' (PAP) phenomenon to enhance performance although this has rarely been investigated in short endurance events. The aim of this study was to compare a cycling warm-up with PAP-inducing conditioning contractions (CW) with a moderate intensity warm-up (MW) on performance and physiological outcomes of 4 km time trial. Ten well-trained male endurance cyclists (V[Combining Dot Above]O2max 65...
March 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28368955/combined-carbohydrate-and-protein-ingestion-during-australian-rules-football-matches-and-training-sessions-does-not-reduce-fatigue-or-accelerate-recovery-throughout-a-week-long-junior-tournament
#17
Nathan A Lee, James W Fell, Nathan W Pitchford, Andrew H Hall, Michael D Leveritt, Cecilia M Kitic
Australian Rules football (ARF) is a physically demanding sport that can induce high levels of fatigue. Fatigue may be intensified during periods where multiple matches are played with limited recovery time. Combined carbohydrate and protein (CHO+PRO) intake during physical activity may provide performance and recovery benefits. The aim of this study was to investigate whether CHO+PRO ingestion during ARF matches and training sessions throughout a tournament would enhance performance or recovery in comparison to CHO-only ingestion...
March 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28361013/anterior-cruciate-ligament-reconstruction-and-knee-osteoarthritis
#18
EDITORIAL
Nikolaos K Paschos
Anterior cruciate ligament (ACL) injury is a traumatic event that can lead to significant functional impairment and inability to participate in high-level sports-related activities. ACL reconstruction is considered the treatment of choice for symptomatic ACL-deficient patients and can assist in full functional recovery. Furthermore, ACL reconstruction restores ligamentous stability to normal, and, therefore, can potentially fully reinstate kinematics of the knee joint. As a consequence, the natural history of ACL injury could be potentially reversed via ACL reconstruction...
March 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28338445/socioeconomic-status-and-outcomes-after-sport-related-concussion-a-preliminary-investigation
#19
Scott L Zuckerman, Brian Holt Zalneraitis, Douglas J Totten, Kolin E Rubel, Andrew W Kuhn, Aaron M Yengo-Kahn, Christopher M Bonfield, Allen K Sills, Gary S Solomon
OBJECTIVE A significant proportion of patients experience long-term symptoms after sport-related concussion (SRC), and several factors have been associated with this protracted recovery. Limited data exist on the role of socioeconomic status (SES) on SRC outcomes. The objective in this study was to conduct a preliminary investigation to determine the effect of SES on outcomes after SRC in student-athletes treated at a regional sports concussion center. METHODS A retrospective cohort study of 282 middle school, high school, and collegiate student-athletes was conducted...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28338405/physiological-responses-to-treadmill-running-with-body-weight-support-in-hypoxia-compared-to-normoxia
#20
Ben J Lee, Charles Douglas Thake
CONTEXT: Anecdotal reports suggest elite sports clubs combine lower body positive pressure (LBPP) rehabilitation with a hypoxic stimulus in order to maintain or increase physiological and metabolic strain, which are reduced during LBPP. However the effects of hypoxia on cardiovascular and metabolic response during LBPP rehabilitation is unknown. OBJECTIVE: Evaluate the use of normobaric hypoxia as a means to increase physiological strain during body weight supported (BWS) running...
March 24, 2017: Journal of Sport Rehabilitation
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