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https://www.readbyqxmd.com/read/28524725/a-sport-education-fitness-season-s-impact-on-students-fitness-levels-knowledge-and-in-class-physical-activity
#1
Jeffery Kurt Ward, Peter A Hastie, Danielle D Wadsworth, Shelby Foote, Sheri J Brock, Nikki Hollett
PURPOSE: The purpose of this study was to determine the extent to which a sport education season of fitness could provide students with recommended levels of in-class moderate-to-vigorous physical activity (MVPA) while also increasing students' fitness knowledge and fitness achievement. METHOD: One hundred and sixty-six 5th-grade students (76 boys, 90 girls) participated in a 20-lesson season called "CrossFit Challenge" during a 4-week period. The Progressive Aerobic Cardiovascular Endurance Run, push-ups, and curl-ups tests of the FITNESSGRAM® were used to assess fitness at pretest and posttest, while fitness knowledge was assessed through a validated, grade-appropriate test of health-related fitness knowledge (HRF)...
May 19, 2017: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/28523640/biomedical-risk-factors-of-achilles-tendinopathy-in-physically-active-people-a-systematic-review
#2
REVIEW
Maria Kozlovskaia, Nicole Vlahovich, Kevin J Ashton, David C Hughes
BACKGROUND: Achilles tendinopathy is the most prevalent tendon disorder in people engaged in running and jumping sports. Aetiology of Achilles tendinopathy is complex and requires comprehensive research of contributing risk factors. There is relatively little research focussing on potential biomedical risk factors for Achilles tendinopathy. The purpose of this systematic review is to identify studies and summarise current knowledge of biomedical risk factors of Achilles tendinopathy in physically active people...
December 2017: Sports Medicine—Open
https://www.readbyqxmd.com/read/28515981/a-six-week-supervised-exercise-and-educational-intervention-after-total-hip-arthroplasty-a-case-series
#3
Federico Pozzi, Kathleen Madara, Joseph A Zeni
BACKGROUND AND PURPOSE: Most rehabilitation interventions after total hip arthroplasty (THA) are not designed to return patients to high-levels of physical activity and, thus, low levels of physical activity and residual weakness are common. The purpose of this case series was to describe the feasibility and preliminary efficacy of an exercise and education intervention for patients after THA who have already completed formal outpatient physical therapy. STUDY DESIGN: Case series...
April 2017: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/28504066/the-association-of-recreational-and-competitive-running-with-hip-and-knee-osteoarthritis-a-systematic-review-and-meta-analysis
#4
Eduard Alentorn-Geli, Kristian Samuelsson, Volker Musahl, Cynthia L Green, Mohit Bhandari, Jón Karlsson
Study Design Systematic review and meta-analysis. Background Running is a healthy and popular activity worldwide, but data regarding its association with osteoarthritis (OA) are conflicting. Objectives To evaluate the association of hip and knee OA with running and to explore the influence of running intensity on this association. Methods PubMed, EMBASE and Cochrane Library databases were used to identify studies investigating the occurrence of OA of the hip and/or knee among runners. Studies comparing this occurrence between runners and controls (sedentary, non-running individuals) were meta-analyzed...
May 13, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28503539/differences-in-pes-planus-and-pes-cavus-subtalar-eversion-inversion-before-and-after-prolonged-running-using-a-two-dimensional-digital-analysis
#5
Charlotte Sinclair, Ulla Svantesson, Rita Sjöström, Marie Alricsson
In sports, there is a constant discussion about the hyper-pronation and supination of the foot during loading and its relation to injuries or discomfort. The purpose of the present study was to investigate the possible differences in the subtalar joint in the midstance phase of running, between individuals with Pes Planus and Pes Cavus, after 5 min and 45 min of running. Thirty-four subjects, meeting the requirements for Pes Planus (30 feet) and Pes Cavus (35 feet), according to the criteria for Medial Longitudinal Arch-angle, were included in the study...
April 2017: Journal of Exercise Rehabilitation
https://www.readbyqxmd.com/read/28499343/knee-loading-deficits-during-dynamic-tasks-in-individuals-following-acl-reconstruction
#6
Kristamarie A Pratt, Susan M Sigward
Study Design Controlled laboratory study, cross-sectional. Background Well documented deficits in sagittal plane knee loading, during dynamic tasks indicate individuals limit the magnitude of knee loading following anterior cruciate ligament reconstruction (ACLR). It is unknown how these individuals modulate the speed of knee flexion during loading, which is particularly important as they progress to running during rehabilitation. Objective To investigate how individuals following anterior cruciate ligament reconstruction perform dynamic knee loading tasks compared to healthy controls...
May 12, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28495249/heart-rate-variability-to-monitor-performance-in-elite-athletes-criticalities-and-avoidable-pitfalls
#7
Daniela Lucini, Ilaria Marchetti, Antonio Spataro, Mara Malacarne, Manuela Benzi, Stefano Tamorri, Roberto Sala, Massimo Pagani
BACKGROUND: Spectral analysis of Heart Rate Variability (HRV) is a simple, non-invasive technique that is widely used in sport to assess sympatho-vagal regulation of the heart. Its employment is increasing partly due to the rising usage of wearable devices. However data acquisition using these devices may be suboptimal because they cannot discriminate between sinus and non-sinus beats and do not record any data regarding respiratory frequency. This information is mandatory for a correct clinical interpretation...
May 3, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28479281/explaining-match-outcome-and-ladder-position-in-the-national-rugby-league-using-team-performance-indicators
#8
Carl T Woods, Wade Sinclair, Sam Robertson
OBJECTIVES: To examine the extent at which match outcome and ladder position could be explained using team performance indicators in the National Rugby League (NRL). METHODS: The dataset consisted of 13 performance indicators acquired from each NRL team across the 2016 season (n=376 observations). Data was sorted according to apriori match outcome (win/loss) and ladder position (one to 16). Given the binary and categorical nature of the response variables, two analysis approaches were used; a conditional interference classification tree and ordinal regression...
April 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28475550/duration-specific-running-performance-in-elite-gaelic-football
#9
Shane Malone, Barry Solan, Brian Hughes, Kieran Collins
The aim of the current investigation was to determine the position and duration specific running performance of elite Gaelic football players through the use of a moving average method. Global positioning system data (4-Hz, VX Sport, New-Zealand) were collected from thirty-five (n = 35) elite Gaelic football players across a two season period. A total of 32 competitive matches were analysed with 300 full match play data samples obtained for final analysis. Players were categorised based on positional groups; full-back, half-back, midfield, half- forward and full-forward...
April 25, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28473366/compensating-for-loss-running-on-one-tibialis-anterior
#10
Richard A C Dimock, Edward John Christopher Dawe, Olusegun Aiyenuro
Rupture of the tibialis anterior (TA) tendon is rare and may be either traumatic or spontaneous. TA is the main ankle dorsiflexor, providing 80% of the power, as well as contributing to inversion of the foot. We describe a case of an 84-year-old male who was incidentally diagnosed with absence of his left TA at age 46 while preparing for his first-ever marathon. There was no history of specific injury to this tendon. He subsequently went on to lead an active sporting life, completing over 20 marathons with a best time of 3 hours 12 min...
May 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28459794/effectiveness-of-a-16-week-high-intensity-cardio-resistance-training-hicrt-program-in-adults
#11
Tina A Greenlee, Daniel R Greene, Nathan J Ward, Ginger E Reeser, Courtney M Allen, Nicholas W Baumgartner, Neal J Cohen, Arthur F Kramer, Charles H Hillman, Aron K Barbey
The purpose of this study was to determine the efficacy of a novel, 16-week High-Intensity Cardio-Resistance Training (HICRT) program on measures of aerobic fitness, agility, aerobic power, muscular endurance, lower body explosive power, and self-reported activity level. The intervention group (N=129; 63 f, 24.65±5.55 y) had a baseline VO2max of 39.83±9.13. These individuals participated in 26, 70-minute exercise sessions, and 4 fitness testing sessions. Participants were matched with a non-exercise control group, paired by sex, age, and baseline VO2max...
April 26, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28459360/strength-training-for-middle-and-long-distance-performance-a-meta-analysis
#12
Nicolas Berryman, Inigo Mujika, Denis Arvisais, Marie Roubeix, Carl Binet, Laurent Bosquet
PURPOSE: The objective of this study was to assess the net effects of strength training on middle- and long-distance performance through a meta-analysis of the available literature. METHODS: Three databases were searched from which 28 out of 554 potential studies met all inclusion criteria. Standardized mean differences (SMDs) were calculated and weighted by the inverse of variance to calculate an overall effect and its 95% confidence interval (CI). Subgroup analyses were conducted to determine whether the strength-training intensity, duration and frequency, and population performance level, age, sex and sport were outcomes that may influence the magnitude of the effect...
May 1, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28454909/asymmetric-interlimb-role-sharing-in-mechanical-power-during-human-sideways-locomotion
#13
Daichi Yamashita, Keisuke Fujii, Shinsuke Yoshioka, Tadao Isaka, Motoki Kouzaki
Sideways movement at a wide variety of speeds is required in daily life and sports. The purpose of this study was to identify the characteristics of asymmetry in power output between lower limbs during sideways gait patterns. Seven healthy men performed steady-state sideways locomotion at various speeds. The mechanical external power of each limb was calculated and decomposed to the lateral and vertical components by the center of mass velocity and ground reaction force. We acquired data from 126 steps of sideways walking at 0...
April 12, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28437548/arthroscopic-treatment-of-a-displaced-nonunion-of-the-anterior-inferior-iliac-spine-causing-extra-articular-impingement
#14
Motoi Shibahara, Yasuo Ohnishi, Eisaburo Honda, Dean K Matsuda, Soshi Uchida
This report describes a case of nonunion of an anterior inferior iliac spine (AIIS) apophyseal avulsion fracture with resultant subspine impingement combined with symptomatic femoroacetabular impingement (FAI). A 16-year-old male soccer player presented with a 6-month history of right groin pain exacerbated by kicking and running. The patient was diagnosed with a displaced nonunion of the AIIS apophysis avulsion fracture causing secondary extra-articular impingement beyond cam-type FAI by physical examination and radiological findings...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28425057/quantifying-synergies-in-two-versus-one-situations-in-team-sports-an-example-from-rugby-union
#15
P Passos, J Milho, C Button
Collective behaviors in team sports result in players forming interpersonal synergies that contribute to performance goals. Because of the huge amount of variables that continuously constrain players' behavior during a game, the way that these synergies are formed remain unclear. Our aim was to quantify interpersonal synergies in the team sport of Rugby Union. For that purpose we used the Uncontrolled Manifold Hypothesis (UCM) to identify interpersonal synergies that are formed between ball carrier and support player in two-versus-one situations in Rugby Union...
April 19, 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/28422524/straight-line-and-change-of-direction-intermittent-running-in-professional-soccer-players
#16
Mohamed S Fessi, Fayçal Farhat, Alexandre Dellal, James J Malone, Wassim Moalla
PURPOSE: The present study aimed to investigate the difference between straight-line (STL) and change of direction (COD) intermittent running exercises in soccer players. METHODS: Seventeen male professional soccer players performed the agility T-test and 6 intermittent running exercises: 10s at 130% of maximal aerobic speed (MAS) alternated with 10s of rest (10-10), 15s at 120% of MAS alternated with 15s of rest (15-15) and 30s at 110% of MAS alternated with 30s of rest (30-30) both in STL and with COD...
April 19, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28406104/institutionalized-physical-activity-curriculum-benefits-of-medical-students-in-colombia
#17
Gustavo Tovar, Gabriel López, Milcíades Ibáñez, Ricardo Alvarado, Felipe Lobelo, John Duperly
BACKGROUND: Health authorities internationally have recommended implementing physical activity and exercise for health training programs within the curriculum of medical schools. The purpose of this evaluation was to determine the changes in physical fitness and health (Fitnessgram criteria) of a sports medicine and physical activity course implemented for 3rd year students in a private medical school in Bogotá, Colombia. METHODS: Intervention was targeted to 13 medical student cohorts...
September 2016: Education for Health: Change in Training & Practice
https://www.readbyqxmd.com/read/28392339/energy-expenditure-metabolic-power-and-high-speed-activity-during-linear-and-multi-directional-running
#18
Chelsea L Oxendale, Jamie Highton, Craig Twist
OBJECTIVES: The purpose of the study was to compare measures of energy expenditure derived from indirect calorimetry and micro-technology, as well as high power and high speed activity during linear and multi-directional running. DESIGN: Repeated measures. METHODS: Twelve university standard team sport players completed a linear and multi-directional running condition. Estimated energy expenditure, as well as time at high speed (>14.4kmh(-1)) and high power (>20Wkg(-1)) were quantified using a 10Hz micro-technology device and compared with energy expenditure derived from indirect calorimetry...
March 21, 2017: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/28377134/rule-modification-in-junior-sport-does-it-create-differences-in-player-movement
#19
Paul B Gastin, Matthew D Allan, Kylie Bellesini, Michael Spittle
OBJECTIVES: To determine the effects of rule modification on player movement during matchplay in junior Australian football (AF). DESIGN: Quasi-experimental study design. METHODS: Time-motion analysis was used to record variables pertaining to player movement including total distance covered, high-speed running (HSR) distance (>14.4km/h) and HSR efforts. GPS data obtained from 145 players (7-12 years) were analysed across four junior AF leagues and three age group combinations (U8/U9, U9/U10 and U11/U12)...
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
#20
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
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