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https://www.readbyqxmd.com/read/29141275/roles-of-the-declive-folium-and-tuber-cerebellar-vermian-lobules-in-sportspeople
#1
In Sung Park, Nam Joon Lee, Im Joo Rhyu
The cerebellum plays vital roles in balance control and motor learning, including in saccadic adaptation and coordination. It consists of the vermis and two hemispheres and is anatomically separated into ten lobules that are designated as I-X. Although neuroimaging and clinical studies suggest that functions are compartmentalized within the cerebellum, the function of each cerebellar lobule is not fully understood. Electrophysiological and lesion studies in animals as well as neuroimaging and lesion studies in humans have revealed that vermian lobules VI and VII (declive, folium, and tuber) are critical for controlling postural balance, saccadic eye movements, and coordination...
September 28, 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/29134974/differences-in-physical-physiological-and-motor-performance-traits-between-volleyball-and-basketball-athletes-in-a-university-in-ghana
#2
A Obour, M O Moses, B Baffour-Awuah, B Asamoah, P K Sarpong, F Osei, L G Akwa, E J Appiah
Physical, physiological and motor performance traits play substantial role in both volleyball (VB) and basketball(BB) competitions. The differences in these traits among University athletes in Ghana have not been reported. Hence, thisstudy documents and compares the physical, physiological and motor performance traits of VB and BB university athletes.Purposive sampling technique involving thirty-five university athletes (24 males and 11 females) with mean age of 21.77 ±2.03years was used. Height, weightn, waist and hip circumferences, waist to hip ratio (WHR), body mass index (BMI), heartrate (HR), systolic blood pressure (SBP) and diastolic blood pressure (DBP), shoulder muscular endurance (SME), abdominal muscular endurance (AME), left and right Arm Strength, Leg Power, Reaction time, Agility and Speed traits were measured...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29132727/speed-profiles-in-wheelchair-court-sports-comparison-of-two-methods-for-measuring-wheelchair-mobility-performance
#3
R M A van der Slikke, B S Mason, M A M Berger, V L Goosey-Tolfrey
Wheelchair mobility performance is an important aspect in most wheelchair court sports, commonly measured with an indoor tracking system or wheelchair bound inertial sensors. Both methods provide key wheelchair mobility performance outcomes regarding speed. In this study, we compared speed profiles of both methods to gain insight into the level of agreement, for recommendations regarding future performance measurement. Data were obtained from 5 male highly trained wheelchair basketball players during match play...
November 10, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28965347/construct-validity-of-accelerometry-derived-force-to-quantify-basketball-movement-patterns
#4
Craig Staunton, Daniel Wundersitz, Brett Gordon, Michael Kingsley
This study assessed the construct validity of accelerometry-derived net force to quantify the external demands of basketball movements. Twenty-eight basketballers completed the Yo-Yo intermittent recovery test (Yo-Yo-IR1) and basketball exercise simulation test (BEST). Intensity was quantified using accelerometry-derived average net force (AvFNet) and PlayerLoad(TM) per minute (PL/min). Within-player correlations were determined between intensity and running speed during Yo-Yo-IR1. Measured AvFNet was determined for movements during the BEST and predicted AvFNet was calculated using movement speed and correlations from Yo-Yo-IR1...
October 1, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28677942/effect-of-fibular-repositioning-taping-in-adult-basketball-players-with-chronic-ankle-instability-a-randomized-placebo-controlled-crossover-trial
#5
Yanina Alves, Fernando Ribeiro, Anabela G Silva
BACKGROUND: Chronic ankle instability presents a high incidence and prevalence in basketbal players. It's important to develop strategies to reduce the functional and mechanical limitations resulting from this condition. To compare the effect of Mulligan ́s fibular repositioning taping with a placebo taping immediatly after application and after a running test (Yo-Yo IRT). METHODS: 16 adult basketball players (10 male, 6 female) with chronic ankle instability and mean age 21...
July 5, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28597614/the-effects-of-two-different-explosive-strength-training-programs-on-vertical-jump-performance-in-basketball
#6
Simone Ciacci, Sandro Bartolomei
BACKGROUND: The aim of this study was to compare the effects of two different training programs oriented to improve vertical jump performance and leg stiffness in basketball players. METHODS: Fifty-eight male basketball players were involved, divided into three age groups (Senior, U19 and U17). Subsequently, within any age group, the players were randomly divided into two training groups, respectively performing a 16-week "hang-clean" training program (HCL), and a "half-squat" training program (HSQ), lasting for the same duration...
June 8, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28570489/possible-hormone-predictors-of-physical-performance-in-adolescent-team-sport-athletes
#7
Alanna C Martin, Ian T Heazlewood, Cecilia M Kitic, Isabelle Lys, Liam Johnson
The research aim of this study was to determine possible hormone predictors of physical performance in adolescent team sport athletes. Saliva samples were collected immediately prior to performance testing sessions from 114 state squad athletes (77 male, 37 female) participating in either Australian football, basketball, hockey, or netball. Participants completed tests of aerobic and anaerobic capacity, agility, power and speed. Samples were collected over 22 months at quarterly, six-monthly and/or yearly intervals depending on the testing schedule of the athlete...
May 30, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28488829/analyzing-the-relationship-between-anthropometric-and-motor-indices-with-basketball-specific-pre-planned-and-non-planned-agility-performances
#8
Miran Pehar, Nedim Sisic, Damir Sekulic, Milan Coh, Ognjen Uljevic, Miodrag Spasic, Ante Krolo, Kemal Idrizovic
BACKGROUND: Although agility is an important quality in basketball, factors associated with basketball specific pre-planned-agility (change-of-direction-speed - CODS) and non- planned-agility (reactive agility - RA) are rarely investigated. The aim of this study was to evaluate relationship between anthropometric and motor indices with basketball-specific CODS and RA in male basketball players of high performance level. METHODS: We tested 88 high-level male basketball players (height: 194...
May 9, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28368952/physical-determinants-of-division-1-collegiate-basketball-women-s-national-basketball-league-and-women-s-national-basketball-association-athletes-with-reference-to-lower-body-sidedness
#9
Tania Spiteri, Molly Binetti, Aaron T Scanlan, Vincent J Dalbo, Filippo Dolci, Christina Specos
In female basketball the assumed components of success include power, agility, and the proficiency at executing movements using each limb. However, the importance of these attributes in discriminating between playing levels in female basketball have yet to be determined. The purpose of this study was to compare lower body power, change of direction (COD) speed, agility, and lower-body sidedness between basketball athletes participating in Division 1 Collegiate basketball (United States), Women's National Basketball League (WNBL) (Australia), and Women's National Basketball Association (WNBA) (United States)...
March 31, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28211843/performance-and-metabolic-demand-of-a-new-repeated-sprint-ability-test-in-basketball-players-does-the-number-of-changes-of-direction-matter
#10
Alessandro M Zagatto, Luca P Ardigò, Fabio A Barbieri, Fabio Milioni, Antonio Dello Iacono, Bruno H F Camargo, Johnny Padulo
Zagatto, AM, Ardigò, LP, Barbieri, FA, Milioni, F, Dello Iacono, A, Camargo, BHF, and Padulo, J. Performance and metabolic demand of a new repeated-sprint ability test in basketball players: does the number of changes of direction matter? J Strength Cond Res 31(9): 2438-2446, 2017-This study compared 2 repeated-sprint ability (RSA) tests in basketball players. Both tests included 10 × 30-m sprints, with the difference that the previously validated test (RSA2COD) featured 2 changes of direction (COD) per sprint, whereas the experimental test (RSA5COD) featured 5 CODs per sprint...
September 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28149421/physical-characteristics-of-elite-adolescent-female-basketball-players-and-their-relationship-to-match-performance
#11
Azahara Fort-Vanmeerhaeghe, Alicia Montalvo, Alexander Latinjak, Viswanath Unnithan
There were two aims of this study: first, to investigate physical fitness and match performance differences between under-16 (U16) and under-18 (U18) female basketball players, and second, to evaluate the relationship between physical fitness and game-related performances. Twenty-three young, female, elite Spanish basketball players (16.2 1.2 years) participated in the study. The sample was divided into two groups: U16 and U18 players. The average scores from pre- and post-season physical fitness measurements were used for subsequent analyses...
December 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/27967276/the-impact-of-an-assistive-pole-seat-configuration-and-strength-in-paralympic-seated-throwing
#12
Alysha Hyde, Luke Hogarth, Mark Sayers, Emma Beckman, Mark J Connick, Sean Tweedy, Brendan Burkett
PURPOSE: To quantify the influence of the assistive pole, seat configuration, and upper-body and trunk strength on seated-throwing performance in athletes with a spinal-cord injury (SCI). METHODS: Ten Paralympic athletes competing in wheelchair rugby, basketball, or athletics (seated throws) participated in 2 randomized sessions: seated throwing and strength tests. Participants threw a club from a custom-built throwing chair, with and without a pole. 3D kinematic data were collected (150 Hz) for both conditions using standardized and self-selected seat configurations...
August 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27662488/evaluation-of-basketball-specific-agility-applicability-of-preplanned-and-nonplanned-agility-performances-for-differentiating-playing-positions-and-playing-levels
#13
Damir Sekulic, Miran Pehar, Ante Krolo, Miodrag Spasic, Ognjen Uljevic, Julio Calleja-González, Tine Sattler
Sekulic, D, Pehar, M, Krolo, A, Spasic, M, Uljevic, O, Calleja-González, J, and Sattler, T. Evaluation of basketball-specific agility: applicability of preplanned and nonplanned agility performances for differentiating playing positions and playing levels. J Strength Cond Res 31(8): 2278-2288, 2017-The importance of agility in basketball is well known, but there is an evident lack of studies examining basketball-specific agility performances in high-level players. The aim of this study was to determine the reliability and discriminative validity of 1 standard agility test (test of preplanned agility [change-of-direction speed] over T course, T-TEST), and 4 newly developed basketball-specific agility tests, in defining playing positions and performance levels in basketball...
August 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27561090/comparison-of-neuropsychological-test-scores-of-high-school-athletes-in-high-and-low-contact-sports-a-replication-study
#14
William T Tsushima, Andrea M Siu, Nozomi Yamashita, Ross S Oshiro, Nathan M Murata
This replication study re-examined the neuropsychological effects of participation in high and low contact youth sports. Modeled after a recently published investigation, two contact sport groups of participants ages 12 to 18 were formed based on the rate of concussion in their respective sport, with the assumption that more head impacts and neuropsychological effects occur in high contact sports that have a greater number of reported concussions as compared with low contact sports. The preseason baseline ImPACT neuropsychological test scores and symptom scores of non-concussed youth athletes in a High Contact Sport (football, n = 139) and a Low Contact Sport (basketball, baseball, soccer, wrestling, volleyball, paddling, and cheerleading, n = 57) were compared...
August 25, 2016: Applied Neuropsychology. Child
https://www.readbyqxmd.com/read/27467516/physical-and-physiological-demands-of-experienced-male-basketball-players-during-a-competitive-game
#15
Carlos Puente, Javier Abián-Vicén, Francisco Areces, Roberto López, Juan Del Coso
Puente, C, Abián-Vicén, J, Areces, F, López, R, and Del Coso, J. Physical and physiological demands of experienced male basketball players during a competitive game. J Strength Cond Res 31(4): 956-962, 2017-The aim of this investigation was to analyze the physical and physiological demands of experienced basketball players during a real and competitive game. Twenty-five well-trained basketball players (8 guards, 8 forwards, and 9 centers) played a competitive game on an outdoor court. Instantaneous running speeds, the number of body impacts above 5 g, and the number of accelerations and decelerations were assessed by means of a 15-Hz global Positioning System accelerometer unit...
April 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/27442763/coordination-and-control-of-posture-and-ball-release-in-basketball-free-throw-shooting
#16
F Martijn Verhoeven, Karl M Newell
The objective of this study was to investigate the coordination of a whole-body task (basketball free-throw) in which success in performance outcome can be achieved through a manifold of combinations of postural and movement trajectory configurations. Participants were healthy men (19-24years) with a range of skill levels that were tested for the accuracy of 50 basketball free-throws with both their dominant and non-dominant hand. The trial-to-trial variance in release parameters as well as postural stability of the shooter and synchronization of postural movement and ball release were strong predictors of performance, with non-elite shooters having a higher mean and variability of center-of-mass (COM) speed at the time of ball release...
October 2016: Human Movement Science
https://www.readbyqxmd.com/read/27391409/influence-of-acute-stress-on-decision-outcomes-and-heuristics
#17
Teri J Hepler, Attila J Kovacs
BACKGROUND: The purpose of this study was to examine the take-the-first (TTF) heuristic and decision outcomes in sports under conditions of no, mental, and physical stress. METHODS: Participants (N.=68) performed 8 video decision-making trials under each of 3 stress conditions: no stress (counting backwards), mental stress (mental serial subtraction), and physical stress (running on treadmill at 13 RPE). Prior to each decision-making trial, participants were exposed to 30 seconds of stress...
March 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27294169/athletic-performance-at-the-national-basketball-association-combine-after-anterior-cruciate-ligament-reconstruction
#18
Nima Mehran, Phillip N Williams, Robert A Keller, Lafi S Khalil, Stephen J Lombardo, F Daniel Kharrazi
BACKGROUND: Anterior cruciate ligament (ACL) injuries are significant injuries in elite-level basketball players. In-game statistical performance after ACL reconstruction has been demonstrated; however, few studies have reviewed functional performance in National Basketball Association (NBA)-caliber athletes after ACL reconstruction. PURPOSE: To compare NBA Combine performance of athletes after ACL reconstruction with an age-, size-, and position-matched control group of players with no previous reported knee injury requiring surgery...
May 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27197090/cumulative-training-dose-s-effects-on-interrelationships-between-common-training-load-models-during-basketball-activity
#19
Aaron T Scanlan, Jordan L Fox, Nattai R Borges, Ben J Dascombe, Vincent J Dalbo
PURPOSE: The influence of various factors on training-load (TL) responses in basketball has received limited attention. This study aimed to examine the temporal changes and influence of cumulative training dose on TL responses and interrelationships during basketball activity. METHODS: Ten state-level Australian male junior basketball players completed 4 × 10-min standardized bouts of simulated basketball activity using a circuit-based protocol. Internal TL was quantified using the session rating of perceived exertion (sRPE), summated heart-rate zones (SHRZ), Banister training impulse (TRIMP), and Lucia TRIMP models...
February 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/27015102/short-term-moderate-intensive-high-volume-training-program-provides-aerobic-endurance-benefit-in-wheelchair-basketball-players
#20
Kestutis Skucas, Vaida Pokvytyte
BACKGROUND: The aim of this paper was to investigate the effect of short-term period, moderate intensity and high volume endurance training on physiological variables in elite wheelchair basketball players. METHODS: Eight wheelchair basketball players were examined. The subjects participated in a two-week intervention program of mainly two training types: wheelchair basketball and wheelchair driving endurance training. The subjects performed the continuously increasing cycling exercise (CCE) at the constant 60 rpm arm cranking speed at the beginning of the program and after two weeks of the program...
April 2017: Journal of Sports Medicine and Physical Fitness
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