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https://www.readbyqxmd.com/read/28538305/comparing-performance-during-morning-vs-afternoon-training-sessions-in-intercollegiate-basketball-players
#1
Aaron D Heishman, Michael A Curtis, Ethan N Saliba, Robert J Hornett, Steven K Malin, Arthur L Weltman
Time of day is a key factor that influences the optimization of athletic performance. Intercollegiate coaches oftentimes hold early morning strength training sessions for a variety of factors including convenience. However, few studies have specifically investigated the effect of early morning vs. late afternoon strength training on performance indices of fatigue. This is athletically important because circadian and/or ultradian rhythms and alterations in sleep patterns can affect training ability. Therefore, the purpose of the present study was to examine the effects of morning vs...
June 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28469739/changes-in-impact-signals-and-muscle-activity-in-response-to-different-shoe-and-landing-conditions
#2
Xi Wang, Shen Zhang, Weijie Fu
Few rigorous scientific studies have investigated how the corresponding neuromuscular activity in the lower extremity occurs during different landing control movements in response to different impact signals. This study aimed to determine the potential shoe effects on impact signals, neuromuscular responses and their possible interactions in different human landing movements. Twelve male basketball players were required to wear high-cushioned basketball shoes (BS) and minimally cushioned control shoes (CC) to perform active drop jump landings (DJL) and passive landings (PL)...
February 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28445227/a-review-of-player-monitoring-approaches-in-basketball-current-trends-and-future-directions
#3
Jordan L Fox, Aaron T Scanlan, Robert Stanton
Effective monitoring of players in team-sports such as basketball requires an understanding of the external demands and internal responses as they relate to training phases and competition. Monitoring of external demands and internal responses allows coaching staff to determine the dose-response associated with the imposed training load, and subsequently, if players are adequately prepared for competition. This review discusses measures reported in the literature for monitoring the external demands and internal responses of basketball players during training and competition...
April 18, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28416898/siga-response-and-incidence-of-upper-respiratory-tract-infections-during-intensified-training-in-youth-basketball-players
#4
H Moraes, M S Aoki, C G Freitas, Afs Arruda, G Drago, A Moreira
The aim of the present study was to examine the effect of an intensified training phase followed by a tapering phase on the salivary immunoglobulin A concentration and on the upper respiratory tract infection (URTI) symptoms in young male basketball players. The session rating of perceived exertion method was used to quantify the internal training load, and the Wisconsin Upper Respiratory Symptom Survey-21 questionnaire was used to assess URTI symptoms. The Yo-Yo IR1 test and saliva collection were carried out at the beginning of the study (T1), after the intensified phase (T2), and after tapering (T3)...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28416891/session-rpe-for-quantifying-the-load-of-different-youth-basketball-training-sessions
#5
C Lupo, A Tessitore, L Gasperi, Mar Gomez
The aim of the study was to evaluate youth basketball training, verifying the reliability of the session-RPE method in relation to session duration (< and ≥ 80 minutes) and workout typology (reduced and high warm-up, conditioning, technical, tactical, game portions within a single session) categories. Six male youth basketball players (age, 16.5±0.5 years; height, 195.5±6.75 cm; body mass, 93.9±10.9 kg; and body mass index, 23.6±2.8 kg.m(-2)) were monitored (HR, type and duration of workouts) during 15 (66 individual) training sessions (80±26 minutes)...
March 2017: Biology of Sport
https://www.readbyqxmd.com/read/28336150/effects-of-foot-rotation-positions-on-knee-valgus-during-single-leg-drop-landing-implications-for-acl-injury-risk-reduction
#6
P S P Teng, P W Kong, K F Leong
BACKGROUND: Non-contact anterior cruciate ligament (ACL) injuries commonly occur when athletes land in high risk positions such as knee valgus. The position of the foot at landing may influence the transmission of forces from the ankle to the knee. Using an experimental approach to manipulate foot rotation positions, this study aimed to provide new insights on how knee valgus during single-leg landing may be influenced by foot positions. METHODS: Eleven male recreational basketball players performed single-leg drop landings from a 30-cm high platform in three foot rotation positions (toe-in, toe-forward and toe-out) at initial contact...
March 20, 2017: Knee
https://www.readbyqxmd.com/read/28277424/comparing-performance-during-morning-vs-afternoon-training-sessions-in-intercollegiate-basketball-players
#7
Aaron D Heishman, Michael A Curtis, Ethan Saliba, Robert J Hornett, Steven K Malin, Arthur L Weltman
Time of day is a key factor that influences the optimization of athletic performance. Intercollegiate coaches oftentimes hold early morning strength training sessions for a variety of factors including convenience. However, few studies have specifically investigated the effect of early morning vs. late afternoon strength training on performance indices of fatigue. This is athletically important because circadian/ultradian rhythms and alterations in sleep patterns can impact training ability. Therefore, the purpose of the present study was to examine the effects of morning vs...
March 8, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28253031/the-relationship-between-training-load-and-injury-in-men-s-professional-basketball-players
#8
Kaitlyn J Weiss, Sian V Allen, Mike R McGuigan, Chris S Whatman
PURPOSE: To establish the relationship between the acute:chronic workload ratio and lower extremity overuse injuries in professional basketball players over the course of a competitive season. METHODS: The acute:chronic workload ratio was determined by calculating the sum of the current week's session rate of perceived exertion (sRPE) training load (acute load) and dividing it by the average weekly training load over the previous four weeks (chronic load). All injuries were recorded weekly using a self-reported injury questionnaire (Oslo Sports Trauma Research Centre Injury Questionnaire(20)) Workload ratios were modelled against injury data using a logistic regression model with unique intercepts for each player...
March 2, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28246566/treating-early-knee-osteoarthritis-with-the-atlas%C3%A2-unicompartmental-knee-system-in-a-26-year-old-ex-professional-basketball-player-a-case-study
#9
Konrad Slynarski, Lukasz Lipinski
Knee osteoarthritis (OA) is a leading cause of disability among adults. Within the affected population, there exists a group of patients who have exhausted conservative treatment options and yet are not ideal candidates for current surgical treatments due to young age, early disease severity, or neutral mechanical knee alignment. For these patients, a new potential treatment option may be considered. We present an interesting case report of a young, ex-professional athlete treated with a minimally invasive load-altering implant (Atlas System) whose young age (26 years), disease status (tibiofemoral kissing lesions), and neutral mechanical limb alignment eliminated all traditional surgical treatment options such as high tibial osteotomy or arthroplasty...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28149397/optimizing-post-activation-potentiation-for-explosive-activities-in-competitive-sports
#10
Artur Gołaś, Adam Maszczyk, Adam Zajac, Kazimierz Mikołajec, Petr Stastny
Post activation potentiation (PAP) has shown improved performance during movements requiring large muscular power output following contractions under near maximal load conditions. PAP can be described as an acute enhancement of performance or an enhancement of factors determining an explosive sports activity following a preload stimulus. In practice, PAP has been achieved by complex training, which involves a combination of a heavy loaded exercise followed by a biomechanically similar explosive activity, best if specific for a particular sport discipline...
September 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28149348/influence-of-physiological-loading-on-the-lumbar-spine-of-national-level-athletes-in-different-sports
#11
Mansoorehossadat Rozan, Vahid Rouhollahi, Amit Rastogi, Dilip Kumar Dureha
The lumbar spine is subjected to considerable stress during many athletic efforts. The purpose of this study was to assess the effects of physiological loading on the lumbar spine in national male players of different games, which may be predictive of the future development of low back pain and injury symptoms. Thirty-four national players (12 cricket players, 12 field hockey players, and 10 basketball players) underwent magnetic resonance imaging, and selected geometric variables including intervertebral disc angles, the Farfan ratio, the lumbar body index, the compression deformity ratio, the biconcave deformity ratio and the anterior wedge deformity ratio were measured using KINOVEA-0...
April 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28146032/different-training-loads-partially-influence-physiological-responses-to-preparation-period-in-basketball
#12
Davide Ferioli, Andrea Bosio, Antonio La Torre, Domenico Carlomagno, Darragh R Connolly, Ermanno Rampinini
The aim of this study was to compare perceived TL (sRPE-TL), training volume (TV) and the changes in physical fitness between professional (n=14) and semi-professional (n=18) basketball players during the preparation period. Furthermore, relationships between sRPE-TL and TV with changes in physical fitness level were investigated. The players performed the Yo-Yo Intermittent Recovery Test (Yo-Yo IR1) before and after the preparation period. In addition, physiological responses to a standardized 6-min continuous running test (Mognoni's test) and to a standardized 5-min high-intensity intermittent running test (HIT) were measured...
January 30, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28095108/the-relationship-between-2d-knee-valgus-angle-during-single-leg-squat-single-leg-land-and-drop-jump-screening-tests
#13
Allan Munro, Lee Herrington, Paul Comfort
CONTEXT: Anterior Cruciate Ligament (ACL) and Patellofemoral Joint (PFJ) injuries are a significant problem among female athletes. A number of screening tasks have been used in the literature to identify those at greatest risk of injury. To date, no study has examined the relationship in two-dimensional (2D) knee valgus between common screening tasks to determine whether individuals exhibit similar movement patterns across tasks. OBJECTIVE: to establish whether frontal plane projection angle (FPPA) during the single leg squat (SLS), single leg land (SLL) and drop jump (DJ) are related...
January 17, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/28095076/impaired-player-coach-perceptions-of-exertion-and-recovery-during-match-congestion
#14
Steven H Doeven, Michel S Brink, Wouter G P Frencken, Koen A P M Lemmink
During intensified phases of competition, attunement of exertion and recovery is crucial to maintain performance. Although a mismatch between coach' and players' perceptions of training load is demonstrated, it is unknown if these discrepancies also exist for match exertion and recovery. PURPOSE: The aims of this study are to determine match exertion, subsequent recovery and to investigate to what extent the coach is able to estimate players' match exertion and recovery. METHODS: Rate of perceived exertion (RPE) and Total quality of recovery (TQR) of 14 professional basketball players (age 26...
January 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27999728/from-acute-achilles-tendon-rupture-to-return-to-play-a-case-report-evaluating-recovery-of-tendon-structure-mechanical-properties-clinical-and-functional-outcomes
#15
Jennifer A Zellers, Daniel H Cortes, Karin Grävare Silbernagel
INTRODUCTION: Achilles tendon rupture results in significant functional deficits regardless of treatment strategy (surgical versus non-surgical intervention). Recovery post-rupture is highly variable, making comprehensive patient assessment critical. Assessment tools may change along the course of recovery as the patient progresses - for instance, moving from a seated heel-rise to standing heel-rise to jump testing. However, tools that serve as biomarkers for early recovery may be particularly useful in informing clinical decision-making...
2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/27967276/the-impact-of-an-assistive-pole-seat-configuration-and-strength-in-paralympic-seated-throwing
#16
Alysha Hyde, Luke Hogarth, Mark Sayers, Emma Beckman, Mark J Connick, Sean Tweedy, Brendan Burkett
PURPOSE: This study quantified the influence of (i) the assistive pole, (ii) seat configuration, and (iii) upper-body and trunk strength, on seated throwing performance in athletes with a spinal cord injury. METHODS: Ten Paralympic athletes competing in wheelchair rugby, wheelchair basketball or athletics (seated throws) participated in two randomised sessions; seated throwing and strength tests. Participants threw a club from a custom-built throwing chair, with and without a pole...
December 14, 2016: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27937967/tensiomyographical-responses-to-accelerometer-loads-in-female-collegiate-basketball-players
#17
Kyle D Peterson, Gabriela T Quiggle
The purpose of the present study was to characterise the relationship between relative versus absolute internal and external loads in collegiate basketball players throughout the course of a season. Five Division I basketball players wore triaxial accelerometers throughout the 2015-2016 season and were tensiomyographically assessed weekly. One-way repeated-measure analysis of variance (RM ANOVA) with least-significant-difference (LSD) pairwise comparisons was used to determine which absolute weekly loads were different across the season...
December 12, 2016: Journal of Sports Sciences
https://www.readbyqxmd.com/read/27928203/accelerometer-load-profiles-for-basketball-specific-drills-in-elite-players
#18
Xavi Schelling, Lorena Torres
The purpose of this study was to quantify the workload during basketball-specific drills measured through microtechnology. Twelve professional male basketball players from the Spanish 1(st) Division were monitored over a 4-week period. Data were collected from 16 sessions, for a total of 95 ± 33 drills per player. Workload data (Acceleration load; AL) were obtained from a tri-axial accelerometer at 100Hz sampling frequency, and were expressed over time (AL(.)min(-1)). Comparisons among training drills (i.e...
December 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27868427/influence-of-shoe-midsole-hardness-on-plantar-pressure-distribution-in-four-basketball-related-movements
#19
COMPARATIVE STUDY
Wing-Kai Lam, Wei Xuan Ng, Pui Wah Kong
This study examined how shoe midsole hardness influenced plantar pressure in basketball-related movements. Twenty male university basketball players wore customized shoes with hard and soft midsoles (60 and 50 Shore C) to perform four movements: running, maximal forward sprinting, maximal 45° cutting and lay-up. Plantar loading was recorded using an in-shoe pressure measuring system, with peak pressure (PP) and pressure time integral (PTI) extracted from 10 plantar regions. Compared with hard shoes, subjects exhibited lower PP in one or more plantar regions when wearing the soft shoes across all tested movements (Ps < 0...
January 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/27855131/patellar-tendinopathy-diagnosis-and-treatment
#20
David Figueroa, Francisco Figueroa, Rafael Calvo
Patellar tendinopathy is a common cause of pain in athletes' knees. Historically, it has been related to jumping sports, such as volleyball and basketball. Repetitive jumping generates a considerable load of energy in the extensor mechanism, leading to symptoms. The main pathophysiologic phenomenon in patellar tendinopathy is tendinosis, which is a degenerative disorder rather than an inflammatory disorder; therefore, the other popular term for this disease, tendinitis, is not appropriate. The nonsurgical treatment of patellar tendinopathy is focused on eccentric exercises and often has good results...
December 2016: Journal of the American Academy of Orthopaedic Surgeons
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