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https://www.readbyqxmd.com/read/29239995/development-of-anaerobic-fitness-in-top-level-competitive-youth-ice-hockey-players
#1
Jeff R Leiter, Dean M Cordingley, Peter B MacDonald
Ice hockey is a physiologically complex sport involving both the anaerobic and aerobic energy systems. The purpose of this study was to evaluate the anaerobic power output (PO) of top-level competitive youth hockey players. It was hypothesized that with each successive increase in age there would be an associated change in anaerobic PO. Two hundred and fifty-one male hockey players between the ages of 13-17 years of age participated in this study. All athletes completed a 30-second Wingate test as part of a pre-season physiological and fitness combine...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239994/effects-of-judo-training-on-bones-a-systematic-literature-review
#2
Simone Ciaccioni, Giancarlo Condello, Flavia Guidotti, Laura Capranica
The aim of this study was to provide a systematic literature review on the osteogenic effects of judo (PROSPERO: CRD42016041803). The online search was conducted according to the inclusion criteria: observational studies and clinical/interventional trials in English from inception to June 2016; bone health, mineral density (BMD), diameters, impact force and turnover markers (BTM) outcomes. Thirty-four studies were included and graded for their methodological quality ("fair" quality: 79.4%). The most used assessment method (44...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29238245/explaining-match-outcome-during-the-men-s-basketball-tournament-at-the-olympic-games
#3
Anthony S Leicht, Miguel A Gómez, Carl T Woods
In preparation for the Olympics, there is a limited opportunity for coaches and athletes to interact regularly with team performance indicators providing important guidance to coaches for enhanced match success at the elite level. This study examined the relationship between match outcome and team performance indicators during men's basketball tournaments at the Olympic Games. Twelve team performance indicators were collated from all men's teams and matches during the basketball tournament of the 2004-2016 Olympic Games (n = 156)...
December 2017: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29233376/a-pharmacy-student-s-role-as-a-teaching-assistant-in-an-undergraduate-medicinal-chemistry-course-implementation-evaluation-and-unexpected-opportunities-for-educational-outreach
#4
Matthew J DellaVecchia, Alyssa M Claudio, Jamie L Fairclough
BACKGROUND AND PURPOSE: To describe 1) a pharmacy student's teaching assistant (TA) role in an undergraduate medicinal chemistry course, 2) an active learning module co-developed by the TA and instructor, and 3) the unexpected opportunities for pharmacy educational outreach that resulted from this collaboration. EDUCATIONAL ACTIVITY AND SETTING: Medicinal Chemistry (CHM3413) is an undergraduate course offered each fall at Palm Beach Atlantic University (PBA). As a TA for CHM3413, a pharmacy student from the Gregory School of Pharmacy (GSOP) at PBA co-developed and implemented an active learning module emphasizing foundational medicinal chemistry concepts as they pertain to performance enhancing drugs (PEDs)...
November 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29233177/influences-of-perfectionism-and-motivational-climate-on-attitudes-towards-doping-among-korean-national-athletes-a-cross-sectional-study
#5
Moonjung Bae, Jungjoong Yoon, Hyunyong Kang, Taegyu Kim
BACKGROUND: The motives for elite athletes to dope are related primarily to maintaining and improving their physical performance. Especially, elite athletes training to compete in the Olympics may feel unique situational pressure, which may in turn induce powerful motivation for doping and predict doping behavior. This study aimed to investigate possible factors associated with attitudes towards doping in Korean national athletes who competed in the Rio 2016 Olympic Games. METHODS: A total of 198 athletes (95 female, 103 male) completed the questionnaire, which covered demographic information, doping-related experiences, Performance Enhancement Attitude Scale (PEAS), Perfectionism in Sports Scale (PSS; coach's criticism, concern over mistakes, and personal standards), and Perceived Motivational Climate in Sport Questionnaire-2 (PMCSQ-2; ego-involving and task-involving climates)...
December 12, 2017: Substance Abuse Treatment, Prevention, and Policy
https://www.readbyqxmd.com/read/29212413/a-lower-extremity-strength-based-profile-of-ncaa-division-i-women-s-basketball-and-gymnastics-athletes-implications-for-knee-joint-injury-risk-assessment
#6
Brennan J Thompson, Curtis S Cazier, Eadric Bressel, Dennis G Dolny
This study aimed to provide a comprehensive strength-based physiological profile of women's NCAA Division I basketball and gymnastic athletes; and to make sport-specific comparisons for various strength characteristics of the knee flexor and extensor muscles. A focus on antagonist muscle balance (hamstrings-to-quadriceps ratios, H:Q) was used to elucidate vulnerabilities in these at-risk female athletes. Fourteen NCAA Division I women's basketball and 13 gymnastics athletes performed strength testing of the knee extensors and flexors...
December 7, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29210324/patterns-of-locomotor-regulation-during-the-pole-vault-approach-phase
#7
Laurie Needham, Timothy A Exell, Ian N Bezodis, Gareth Irwin
A successful approach phase is key to achieving high performances in the pole vault. The aim of this study was to explore the nature of locomotor control patterns during the pole vault approach phase. Fourteen well-trained athletes performed ten jumps which were recorded using 2D video sampling at 200 Hz and analysed. Key kinematics were reconstructed from camera data using a modified 2D-DLT. Patterns of regulation were determined from the standard deviation of footfall locations during the approach phase...
December 6, 2017: Journal of Sports Sciences
https://www.readbyqxmd.com/read/29202937/youth-sport-related-concussions-perceived-and-measured-baseline-knowledge-of-concussions-among-community-coaches-athletes-and-parents
#8
Katherine N Nanos, John M Franco, Dirk Larson, Kristin Mara, Edward R Laskowski
OBJECTIVE: To assess concussion knowledge of athletes, coaches, and parents/guardians in a community setting and to understand trends/gaps in knowledge among subgroups to tailor efforts toward creating educational interventions. PARTICIPANTS AND METHODS: This prospective cross-sectional study involved 262 individuals (142 [55%] female): 115 athletes participating in noncontact and contact sports (ages 13-19 years), 15 coaches, and 132 parents. Recruitment occurred from August 30, 2015, through August 30, 2016, at 3 local high schools...
December 2017: Mayo Clinic Proceedings
https://www.readbyqxmd.com/read/29202625/the-relationship-between-the-use-of-running-applications-and-running-related-injuries
#9
Ellen Kemler, Kalynda Romeijn, Ingrid Vriend, Bionka Huisstede
OBJECTIVES: Training errors are suggested to be an important cause of running-related injuries (RRI). As most runners train individually, digital coaching using running applications is becoming increasingly popular. However, the quality of these applications is unknown. The aim of the present cross-sectional study was to evaluate the relationship between the use of running applications and running-related injuries. METHODS: An online questionnaire was used to collect data on running activities of 1,029 runners, their injuries, and the association between the use of running applications and running-related injuries...
December 5, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/29200094/characteristics-of-a-national-level-female-weightlifter-peaking-for-competition-a-case-study
#10
Caleb D Bazyler, Satoshi Mizuguchi, Michael C Zourdos, Kimitake Sato, Ashley A Kavanaugh, Brad H DeWeese, Kevin F Breuel, Michael H Stone
This study investigated physiological and performance changes of a national level 69kg female weightlifter following three competition phases over a 28-week training period. The athlete first trained for a regional championship (weeks 1-12), followed by a local competition (weeks 13-23) and the national championship (weeks 24-28). Body mass, vastus lateralis cross-sectional area, and unloaded and loaded squat jump performance were assessed weekly during each 4-week competition phase. Serum biomarkers, and dynamic mid-thigh pulls were assessed prior to and after each competition phase...
December 1, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29189930/periodization-theory-confronting-an-inconvenient-truth
#11
John Kiely
Periodization theory has, over the past seven decades, emerged as the preeminent training planning paradigm. The philosophical underpinnings of periodization theory can be traced back to the integration of diverse shaping influences, whereby coaching beliefs and traditions were blended with historically available scientific insights and contextualized against pervading social planning models. Since then, many dimensions of elite preparation have evolved significantly, as driven by a combination of coaching innovations and science-led advances in training theory, techniques, and technologies...
November 30, 2017: Sports Medicine
https://www.readbyqxmd.com/read/29189587/the-effect-of-cold-14-%C3%A2-c-versus-ice-5%C3%A2-c-water-immersion-on-recovery-from-intermittent-running-exercise
#12
Daniel Anderson, James Nunn, Christopher J Tyler
The purpose was to compare 14°C (CWI14°C) and 5°C (CWI5°C) cold water immersion following intermittent running. On three occasions, nine male team-sport players undertook 12 min of CWI14°C, CWI5°C or non-immersed seated recovery (CON) following 45 min of intermittent running exercise. Maximal cycling performance and markers of recovery were measured before and in the 0 - 72 h after exercise. Peak power output (PPO) was immediately reduced following all interventions (d = 1.8). CWI5°C was more effective at restoring PPO than CWI14°C (d = 0...
November 16, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29182457/a-comparison-of-the-isometric-mid-thigh-pull-and-isometric-squat-intraday-reliability-usefulness-and-the-magnitude-of-difference-between-tests
#13
Claire J Brady, Andrew J Harrison, Eamonn P Flanagan, G Gregory Haff, Thomas M Comyns
PURPOSE: This investigation examined the reliability and usefulness of the isometric mid-thigh pull (IMTP) and isometric squat (ISqT) performed at the same knee and hip angles. The scores produced in each test were compared to determine the magnitude of differences between tests. METHODS: Twenty six male and female athletes (23.6±4.3 y; 1.75±0.07 m; 68.8±9.7 kg) performed 2 maximal repetitions of the IMTP and ISqT following a specific warm up. RESULTS: Maximum force, absolute peak force (PF), relative PF, allometrically scaled PF, rate of force development (RFD) (0 - 200 and 0 - 250 ms) and impulse (0 - 300 ms) were deemed reliable (ICC ≥ 0...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29182434/reactive-strength-index-a-poor-indicator-of-reactive-strength
#14
Robin Healy, Ian Kenny, Drew Harrison
PURPOSE: The primary aim was to assess the relationships between reactive strength measures and associated kinematic and kinetic performance variables achieved during drop jumps. A secondary aim was to highlight issues with the use of reactive strength measures as performance indicators. METHODS: Twenty eight national and international level sprinters, consisting of fourteen men and women, participated in this cross-sectional analysis. Athletes performed drop jumps from a 0...
November 28, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/29182403/long-distance-triathletes-intentions-to-manipulate-energy-and-macronutrient-intake-over-a-training-macrocycle
#15
Hani Kopetschny, David Rowlands, David Popovich, Jasmine Thomson
This study explored the information sources long-distance triathletes used to inform their training and nutrition plans, and evaluated these plans over a training macrocycle. Seventy-four long-distance triathletes completed the online survey. Coaches were the most popular training information source (69%), whereas non-professional sources (internet 65%, other athletes 53%) were more popular than nutritionists (29%) for nutrition information. Attributes valued most in an information source were: source prior personal experience, individualised advice, breadth of knowledge, and credibility...
November 28, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29182365/career-development-and-learning-pathways-of-paralympic-coaches-with-a-disability
#16
Scott Douglas, William R Falcão, Gordon A Bloom
The purpose of this study was to gain an understanding of the career development and learning pathways of Paralympic head coaches who previously competed as Paralympic athletes. Each coach participated in a semistructured interview. A thematic analysis of the data revealed three higher order themes, which were called becoming a coach, learning to coach, and lifelong learning and teaching. Across these themes, participants discussed interactions with other coaches and athletes with a disability, learning from mentors and coaching clinics, as well as limited formal educational opportunities they experienced transitioning from athlete to head coach...
November 28, 2017: Adapted Physical Activity Quarterly: APAQ
https://www.readbyqxmd.com/read/29182021/injuries-depicted-in-sport-related-films
#17
Robert P Olympia, Hannah Wakefield, Bryan Wakefield, Christopher J Weber
The perception that children and adolescents have of injuries may be influenced by their depiction in sport-related films. The objective of this study was to determine the depiction of injuries in a select number of sport-related films. Forty-four films were analyzed. Injury category, on-the-field management, and long-term management were determined for each injury. Major injuries were defined as injuries requiring prompt intervention and immediate discontinuation of sport participation. A total of 49 injuries were depicted, categorized as fracture (n = 11), contusion (n = 10), brain concussion (n = 8), muscle cramps (n = 5), laceration/abrasion (n = 4), ligamentous knee injury (n = 4), shoulder dislocation (n = 2), rotator cuff injury (n = 2), ankle sprain (n = 2), and unspecified injury (n = 1)...
November 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/29181257/shoulder-pain-in-competitive-teenage-swimmers-and-it-s-prevention-a-retrospective-epidemiological-cross-sectional-study-of-prevalence
#18
Monica Tessaro, Giorgio Granzotto, Antonio Poser, Giuseppe Plebani, Alex Rossi
Background: The term "swimmer's shoulder" was first introduced in 1974 by Kennedy and Hawkins to describe a common condition among competitive swimmers characterized by pain and dysfunction of the shoulder complex. Currently, the term does not define a specific clinical diagnosis and its etiology is considered to be multifactorial. In the literature shoulder pain prevalence varies according to the adopted definitions (from 3% to 91%); however, in the Italian environment there is no prevalence study regarding swimmer shoulder...
October 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/29179631/bulimic-symptomatology-among-male-collegiate-athletes-a-test-of-an-etiological-model
#19
Justine Chatterton, Trent A Petrie, Keke L Schuler, Camilo Ruggero
We tested Petrie and Greenleaf's psychosocial model in relation to male athletes' bulimic symptomatology. Through structural equation modeling, we cross-sectionally examined the direct and indirect effects of general and sport-specific appearance pressures, internalization, body satisfaction, drive for muscularity, negative affect, and dietary restraint on bulimic symptomatology. Participants were U.S. male collegiate athletes (N = 698; Mage = 19.87 years) representing 17 sports. With minor respecifications, the model had acceptable fit, and the psychosocial variables explained 48% of the bulimic symptomatology variance...
November 28, 2017: Journal of Sport & Exercise Psychology
https://www.readbyqxmd.com/read/29176381/barriers-to-the-prescription-of-psychological-strategies-by-strength-and-conditioning-specialists
#20
Dr Jon N Radcliffe, Dr Paul Comfort, Dr Tom Fawcett
The purpose of this paper was to explore the barriers to strength and conditioning coaches integrating psychological strategies within the strength and conditioning practice. The sample of accredited strength and conditioning coaches comprised 10 subjects working within the UK, 3 within the USA and 5 within Australia offering a cross section of experience from a range sporting disciplines and educational backgrounds. Subjects were interviewed using semi-structured interviews and thematic clustering was employed utilizing interpretative phonological analysis to identify common themes...
November 22, 2017: Journal of Strength and Conditioning Research
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