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Wheel chaire athlete

W Pepke, M Brunner, R Abel, H Almansour, H J Gerner, A Hug, F Zeifang, Y Kentar, T Bruckner, M Akbar
QUESTION: Shoulder pain and rotator cuff tears are highly prevalent among wheelchair dependent individuals with paraplegia. The purpose of this study was to identify potential risk factors associated with the development of rotator cuff tears in this population. METHODS: A total of 217 wheelchair dependent individuals with paraplegia were included in this cross-sectional study (level of evidence III). The mean age of this population was 47.9 years and the mean duration of wheelchair dependence was 24...
February 27, 2018: Der Orthopäde
Andrea Bundon, Barry S Mason, Victoria L Goosey-Tolfrey
This paper demonstrates how a qualitative methodology can be used to gain novel insights into the demands of wheelchair racing and the impact of particular racing chair configurations on optimal sport performance via engagement with expert users (wheelchair racers, coaches, and manufacturers). We specifically explore how expert users understand how wheels, tires, and bearings impact sport performance and how they engage, implement, or reject evidence-based research pertaining to these components. We identify areas where participants perceive there to be an immediate need for more research especially pertaining to the ability to make individualized recommendations for athletes...
April 2017: Adapted Physical Activity Quarterly: APAQ
Rory A Cooper, Arthur Jason De Luigi
Wheelchair sports are an important tool in the rehabilitation of people with severe chronic disabilities and have been a driving force for innovation in technology and practice. In this paper, we will present an overview of the adaptive technology used in Paralympic sports with a special focus on wheeled technology and the impact of design on performance (defined as achieving the greatest level of athletic ability and minimizing the risk of injury). Many advances in manual wheelchairs trace their origins to wheelchair sports...
August 2014: PM & R: the Journal of Injury, Function, and Rehabilitation
C J Olsson, Lars Nyberg
An intriguing quality of our brain is that when actions are imagined, corresponding brain regions are recruited as when the actions are actually performed. It has been hypothesized that the similarity between real and simulated actions depends on the nature of motor representations. Here we tested this hypothesis by examining S.D., who never used her legs but is an elite wheel chair athlete. Controls recruited motor brain regions during imagery of stair walking and frontal regions during imagery of wheel chair slalom...
December 2011: Neurocase
Victoria Goosey-Tolfrey
The complexity of wheelchair sports provides the scientist with a unique challenge. There are two major components that contribute towards 'wheeled sports' performance: the athlete and the chair. It is the interaction of these two components that enable wheelchair propulsion and the sporting movements required within a given sport. This article will describe three discrete case studies on how sport scientists have worked with Great Britain coaches and practitioners to help optimise training leading to a major competition through evidence base practise...
2010: Disability and Rehabilitation
Yong Tai Wang, Konstantinos Dino Vrongistinos, Dali Xu
The purposes of this study were to examine the consistency of wheelchair athletes' upper-limb kinematics in consecutive propulsive cycles and to investigate the relationship between the maximum angular velocities of the upper arm and forearm and the consistency of the upper-limb kinematical pattern. Eleven elite international wheelchair racers propelled their own chairs on a roller while performing maximum speeds during wheelchair propulsion. A Qualisys motion analysis system was used to film the wheelchair propulsive cycles...
August 2008: Journal of Applied Biomechanics
V L Goosey-Tolfrey, N E Fowler, I G Campbell, S D Iwnicki
The purpose of the study was to investigate the propulsion kinetics of wheelchair racers at racing speeds and to assess how these change with an increase in speed. It was hypothesised that propulsive force would increase in proportion to speed, to accommodate the additional work required. Six wheelchair racers volunteered to participate in this study which required each athlete to push a racing wheelchair at 4.70 and 5.64 m s(-1) on a wheelchair ergometer (WERG). Eight pairs (16 in total) of strain gauges, mounted on four bars attached to the hand-rim of a racing wheelchair wheel, measured the medio-lateral and tangential forces applied to the hand-rim...
May 2001: Medical Engineering & Physics
M J Price, I G Campbell
Seven wheelchair athletes participated in this study. On separate occasions all athletes performed 60 min of arm crank ergometry and wheelchair ergometry at 60% of the ergometer specific VO2peak in cool conditions (21.5+/-1.3 degrees C; 54.2+/-6.3% relative humidity, 21.2+/-1.9 degrees C; 55.5+/-11.9% relative humidity, respectively). The order of testing was randomised. Aural and skin temperatures were continually measured throughout the 60 min test. Expired air was collected at 5, 15, 30, 45, and 60 min during the exercise period...
October 1999: International Journal of Sports Medicine
K Ishimaru, N Tamasawa, M Baba, M Matsunaga, K Takebe
We report a male patient with phenylketonuria (PKU) who developed multisystem neurological manifestation in his fourth decade. He was born in 1957 when a neonatal mass screening had not been available. His neuropsychological development was entirely normal and he was a good athlete during his high school days. He was in good health until the age of 32, when his vision was blurred. In four months his gait progressively deteriorated to bind him to a wheel chair. On physical examination he had red hair and gray eyes...
September 1993: Rinshō Shinkeigaku, Clinical Neurology
J H Bednarczyk, D J Sanderson
This study examined the kinematic features of wheelchair propulsion in two neurologically matched groups of adults and children with uncomplicated spinal cord injury. The average mass and age of the pediatric group was much smaller than the adult group (37.4kg and 11.3 years vs 68.5kg and 33.5 years). Each subject propelled his/her own chairs and new, low-mass wheelchairs at a steady, nominal speed of 2 m/sec across a level surface. Three dimensional video analysis determined the movement of upper body angles (elbow, shoulder, trunk, and shoulder abduction) based on reflective markers placed on the subjects' shoulder, elbow, wrist, and hip joints...
December 1994: Archives of Physical Medicine and Rehabilitation
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