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Athletic Ability Assessment

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https://www.readbyqxmd.com/read/29050661/the-olin-eilobi-breathing-techniques-description-and-initial-case-series-of-novel-respiratory-retraining-strategies-for-athletes-with-exercise-induced-laryngeal-obstruction
#1
Kristina L Johnston, Hannah Bradford, Heather Hodges, Camille M Moore, Emily Nauman, J Tod Olin
INTRODUCTION: Exercise-induced laryngeal obstruction (EILO), the condition previously known as paradoxical vocal fold motion and vocal cord dysfunction, is characterized by inappropriate glottic or supraglottic obstruction during high-intensity exercise, causing exertional dyspnea, frequently with stridor. EILO is definitively diagnosed through upper-airway visualization during a characteristic episode. Although respiratory retraining is a primary therapy for EILO, many patients report symptom persistence despite adequate performance of traditional techniques...
October 11, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/29035981/clinical-utility-of-oculomotor-and-electrophysiological-measures-in-identifying-concussion-history
#2
Patrick S Ledwidge, Jessie N Patterson, Dennis L Molfese, Julie A Honaker
OBJECTIVE: To examine whether oculomotor and electrophysiological measures improve the clinical performance of the typical concussion protocol for classifying collegiate athletes with a history of concussion. DESIGN: Cross-sectional. SETTING: University Athletic Medicine and Research Facility. PARTICIPANTS: Forty-five varsity collegiate athletes. INDEPENDENT VARIABLES: Collegiate varsity athletes with or without a history of a diagnosed concussion...
October 10, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29035601/skinfold-prediction-equations-fail-to-provide-an-accurate-estimate-of-body-composition-in-elite-rugby-union-athletes-of-caucasian-and-polynesian-ethnicity
#3
Adam Zemski, Elizabeth Broad, Gary Slater
Body composition in elite rugby union athletes is routinely assessed using surface anthropometry, which can be utilised to provide estimates of absolute body composition using regression equations. This study aims to assess the ability of available skinfold equations to estimate body composition in elite rugby union athletes, who have unique physique traits and divergent ethnicity. The development of sport-specific and ethnicity-sensitive equations was also pursued. Forty-three male international Australian rugby union athletes of Caucasian and Polynesian descent underwent surface anthropometry and dual-energy X-ray absorptiometry (DEXA) assessment...
October 16, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29031471/gunslingers-poker-players-and-chickens-3-decision-making-under-mental-performance-pressure-in-junior-elite-athletes
#4
Beth L Parkin, Vincent Walsh
BACKGROUND: Having investigated the decision making of world class elite and subelite athletes (see Parkin and Walsh, 2017; Parkin et al., 2017), here the abilities of those at the earliest stage of entry to elite sport are examined. Junior elite athletes have undergone initial national selection and are younger than athletes examined previously (mean age 13 years). Decision making under mental pressure is explored in this sample. During performance an athlete encounters a wide array of mental pressures; these include the psychological impact of errors, negative feedback, and requirements for sustained attention in a dynamic environment (Anshel and Wells, 2000; Mellalieu et al...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29031469/gunslingers-poker-players-and-chickens-2-decision-making-under-physical-performance-pressure-in-subelite-athletes
#5
Beth L Parkin, Vincent Walsh
BACKGROUND: Having investigated the influence of acute physical exhaustion on decision-making in world-class elite athletes in Parkin et al. (2017), here a similar method is applied to subelite athletes. These subelite athletes were enrolled on a Team GB talent development program and were undergoing training for possible Olympic competition in 4-8 years. They differ from elite athletes examined previously according to expertise and age. While considered elite (Swann et al., 2015), the subelite athletes had approximately 8 years fewer sporting experience and were yet to obtain sustained success on the international stage...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29031468/gunslingers-poker-players-and-chickens-1-decision-making-under-physical-performance-pressure-in-elite-athletes
#6
Beth L Parkin, Katie Warriner, Vincent Walsh
BACKGROUND: The cognitive skills required during sport are highly demanding; accurate decisions based on the processing of dynamic environments are made in a fraction of a second (Walsh, 2014). Optimal decision-making abilities are crucial for success in sporting competition (Bar-Eli et al., 2011; Kaya, 2014). Moreover, for the elite athlete, decision making is required under conditions of intense mental and physical pressure (Anshel and Wells, 2000), yet much of the work in this area has largely ignored the highly stressful context in which athletes operate...
2017: Progress in Brain Research
https://www.readbyqxmd.com/read/29028445/return-to-sport-specific-performance-after-primary-anterior-cruciate-ligament-reconstruction-a-systematic-review
#7
Nicholas G Mohtadi, Denise S Chan
BACKGROUND: Physicians counseling athletes on the prognosis of sport-specific performance outcomes after anterior cruciate ligament reconstruction (ACLR) depend on the published literature. However, critical appraisal of the validity and biases in these studies is required to understand how ACLR affects an athlete's ability to return to sport, the athlete's sport-specific performance, and his or her ability to achieve preinjury levels of performance. PURPOSE: This review identifies the published prognostic studies evaluating sport-specific performance outcomes after ACLR...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29023280/corrective-exercises-improve-movement-efficiency-and-sensorimotor-function-but-not-fatigue-sensitivity-in-chronic-ankle-instability-patients-a-randomized-controlled-trial
#8
Sajad Bagherian, Nader Rahnama, Erik A Wikstrom
OBJECTIVE: To investigate the effect of corrective exercises on functional movement patterns, sensorimotor function, self-reported function, and fatigue sensitivity in collegiate athletes with chronic ankle instability (CAI). DESIGN: A randomized controlled trial. SETTING: Laboratory of sports sciences. PARTICIPANTS: Forty male volunteers were randomly assigned to the experimental group (age 21.2 ± 1.7 years, height 174...
October 6, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29018362/effects-of-unloaded-vs-loaded-plyometrics-on-speed-and-power-performance-of-elite-young-soccer-players
#9
Ronaldo Kobal, Lucas A Pereira, Vinicius Zanetti, Rodrigo Ramirez-Campillo, Irineu Loturco
The purpose of this study was to investigate the effects of loaded and unloaded plyometric training strategies on speed and power performance of elite young soccer players. Twenty-three under-17 male soccer players (age: 15.9 ± 1.2 years, height: 178.3 ± 8.1 cm, body-mass (BM): 68.1 ± 9.3 kg) from the same club took part in this study. The athletes were pair-matched in two training groups: loaded vertical and horizontal jumps using an haltere type handheld with a load of 8% of the athletes' body mass (LJ; n = 12) and unloaded vertical and horizontal plyometrics (UJ; n = 11)...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28994489/short-term-resource-allocation-during-extensive-athletic-competition
#10
Daniel P Longman, Sean P Prall, Eric C Shattuck, Ian D Stephen, Jay T Stock, Jonathan C K Wells, Michael P Muehlenbein
OBJECTIVES: Following predictions from life history theory, we sought to identify acute trade-offs between reproductive effort (as measured by psychological arousal) and somatic maintenance (via functional measures of innate immunity) during conditions of severe energetic imbalance. METHODS: Sixty-six male ultramarathon runners (ages 20 to 37 years) were sampled before and after a lengthy race. Saliva and sera were collected for testosterone and immunological analyses (hemolytic complement activity and bacterial killing ability)...
October 10, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28950801/do-the-physical-and-environment-pettlep-elements-predict-sport-imagery-ability
#11
Nurwina Anuar, Sarah E Williams, Jennifer Cumming
The present study aimed to examine whether physical and environment elements of PETTLEP imagery relate to the ability to image five types of sport imagery (i.e. skill, strategy, goal, affect and mastery). Two hundred and ninety participants (152 males, 148 females; Mage = 20.24 years, SD = 4.36) from various sports completed the Sport Imagery Ability Questionnaire (SIAQ), and a set of items designed specifically for the study to assess how frequently participants incorporate physical (e.g. 'I make small movements or gestures during the imagery') and environment (e...
September 26, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28944251/effects-of-exercise-on-sport-concussion-assessment-tool-third-edition-performance-in-professional-athletes
#12
Jin H Lee, David R Howell, William P Meehan, Grant L Iverson, Andrew J Gardner
BACKGROUND: The Sport Concussion Assessment Tool-Third Edition (SCAT3) is currently considered the standard sideline assessment for concussions. In-game exercise, however, may affect SCAT3 performance and the diagnosis of concussions. PURPOSE: To examine the influence of exercise on SCAT3 performance in professional male athletes. STUDY DESIGN: Controlled laboratory study. METHODS: We examined the SCAT3 performance of 82 professional male athletes under 2 conditions: at rest and after exercise...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28943009/midterm-and-long-term-follow-up-in-competitive-athletes-undergoing-thoracic-outlet-decompression-for-neurogenic-thoracic-outlet-syndrome
#13
William Shutze, Brad Richardson, Ryan Shutze, Kimberly Tran, Allen Dao, Gerald O Ogola, Allan Young, Greg Pearl
BACKGROUND: Neurogenic thoracic outlet syndrome (NTOS) results from compression of the brachial plexus by the clavicle, first rib, and scalene muscles and may develop secondary to repetitive motion of the upper extremity. Athletes routinely perform repetitive motions, and sports requiring significant arm and shoulder use may put the participant at increased risk for NTOS. Competitive athletes who develop NTOS may require first rib resection and scalenectomy (FRRS) for symptomatic relief...
September 21, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28934100/differences-in-the-movement-skills-and-physical-qualities-of-elite-senior-academy-rugby-league-players
#14
Matthew R E Ireton, Kevin Till, Dan Weaving, Ben Jones
The aim of the present study was to investigate (a) the differences in the movement skills and physical qualities between academy and senior rugby league players, and (b) the relationships between movement skills and physical qualities. Fifty-five male rugby league players (Senior, n=18; Under 19 n=23; Under 16, n=14) undertook a physical testing battery including anthropometric (stature & body mass), strength (isometric mid-thigh pull; IMTP) and power (countermovement jump; CMJ) qualities, alongside the athletic ability assessment (AAA; comprised of overhead squat, double lunge, single-leg Romanian deadlift, press-up and pull-up exercises)...
June 2, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28930875/the-kinetic-determinants-of-reactive-strength-in-highly-trained-sprint-athletes
#15
Jamie Douglas, Simon Pearson, Angus Ross, Mike McGuigan
The purpose of this study was to determine the braking and propulsive phase kinetic variables underpinning reactive strength in highly trained sprint athletes in comparison to a non-sprint trained control group. Twelve highly trained sprint athletes and twelve non-sprint trained participants performed drop jumps (DJs) from 0.25m, 0.50m and 0.75m onto a force plate. One familiarization session was followed by an experimental testing session within the same week. Reactive strength index (RSI), contact time, flight time, and leg stiffness were determined...
September 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28915772/hypermobility-in-adolescent-athletes-pain-functional-ability-quality-of-life-and-musculoskeletal-injuries
#16
Heidi Schmidt, Trine Lykke Pedersen, Tina Junge, Raoul Engelbert, Birgit Juul-Kristensen
Study Design Cross-sectional. Background Generalized joint hypermobility (GJH) may increase pain and likelihood of injuries and also decrease function and health-related quality of life (HRQoL) in elite-level adolescent athletes. Objective To assess the prevalence of GJH in elite-level adolescent athletes, and to study the association of GJH with pain, function, HRQoL, and musculoskeletal injuries. Methods A total of 132 elite-level adolescent athletes (36 adolescent boys, 96 adolescent girls; mean ± SD age, 14...
October 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28902114/effects-of-repeated-sprints-with-changes-of-direction-on-youth-soccer-player-s-performance-impact-of-initial-fitness-level
#17
Fábio Y Nakamura, Javier Sanchez-Sanchez, Rodrigo Ramirez-Campillo, Cristina Petisco, Oliver Gonzalo-Skok, Alejandro Rodriguez-Fernandez, Javier Miñano
The aim of this study was to assess the effect of an 8-week repeated sprint with change of direction training program on repeated sprint, intermittent endurance and change of direction performance in youth soccer players with different aerobic fitness levels. Athletes were randomly assigned into a soccer-only (n=9; age, 14.9±0.4 yr) and soccer plus repeated sprint with change of direction (RS-COD) training programs for players with high (n=10; age, 14.4±0.5 yr) and low (n=10; age, 14.4±0.5 yr) aerobic fitness...
September 6, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28901201/sex-differences-in-balance-among-alpine-ski-racers-cross-sectional-age-comparisons
#18
Christian Raschner, Carolin Hildebrandt, Johanna Mohr, Lisa Müller
Although balance is a key ability in the strength demands of alpine ski racing, affecting both performance and injury prevention, few studies have examined balance or related sex differences among still-maturing athletes. In this 10-year study, we investigated cross-sectional balance performances at different age periods of a representative sample of over 500 11-18-year-old elite skiers of both genders. Participants performed balance tests using the MFT S3-Check. Left-right and forward-backward movements were used to calculate sensory and symmetry balance scores, which were both incorporated into a stability score...
January 1, 2017: Perceptual and Motor Skills
https://www.readbyqxmd.com/read/28900572/return-to-running-following-a-knee-disarticulation-amputation-a-case-report
#19
Angela R Diebal-Lee, Robert S Kuenzi, Christopher A Rábago
BACKGROUND AND PURPOSE: The evolution of running-specific prostheses has empowered athletes with lower extremity amputations to run farther and faster than previously thought possible; but running with proper mechanics is still paramount to an injury-free, active lifestyle. The purpose of this case report was to describe the successful alteration of intact limb mechanics from a Rearfoot Striking (RFS) to a Non-Rearfoot Striking (NRFS) pattern in an individual with a knee disarticulation amputation, the associated reduction in Average Vertical Loading Rate (AVLR), and the improvement in functional performance following the intervention...
August 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28860414/mechanical-basis-of-bone-strength-influence-of-bone-material-bone-structure-and-muscle-action
#20
N H Hart, S Nimphius, T Rantalainen, A Ireland, A Siafarikas, R U Newton
This review summarises current understanding of how bone is sculpted through adaptive processes, designed to meet the mechanical challenges it faces in everyday life and athletic pursuits, serving as an update for clinicians, researchers and physical therapists. Bone's ability to resist fracture under the large muscle and locomotory forces it experiences during movement and in falls or collisions is dependent on its established mechanical properties, determined by bone's complex and multidimensional material and structural organisation...
September 1, 2017: Journal of Musculoskeletal & Neuronal Interactions
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