Biomechanical Effect of In-line Skating Wrist Guards on the Prevention of Wrist Fracture

A biomechanical study was conducted in this study to investigate if in-line skating wrist guards can effectively reduce the impact forces so as to protect the wrist from fracture. The forearm specimens with and without wrist guards were dropped using a specially designed sled to simulate the impact...

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Veröffentlicht in:Journal of mechanical science and technology 2001-07, Vol.15 (7), p.1072-1076
Hauptverfasser: MCGRADY, Linda M, HOEPFNER, Peter, YOUNG, Craig C, RAASCH, William G, LIM, Tae-Hong, HAN, Jung Soo
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container_end_page 1076
container_issue 7
container_start_page 1072
container_title Journal of mechanical science and technology
container_volume 15
creator MCGRADY, Linda M
HOEPFNER, Peter
YOUNG, Craig C
RAASCH, William G
LIM, Tae-Hong
HAN, Jung Soo
description A biomechanical study was conducted in this study to investigate if in-line skating wrist guards can effectively reduce the impact forces so as to protect the wrist from fracture. The forearm specimens with and without wrist guards were dropped using a specially designed sled to simulate the impact on the wrist while falling. A force plate was used to measure the total impact force on the dropping weight whereas a load cell was attached to the proximal end of the specimen and used to quantify the impact transmitted through the wrist joint. From the nondestructive tests, mean peak force measured from a force plate showed no difference between the guarded and unguarded groups whereas mean impulse of the guarded group was significantly greater than that of the unguarded group (p
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The forearm specimens with and without wrist guards were dropped using a specially designed sled to simulate the impact on the wrist while falling. A force plate was used to measure the total impact force on the dropping weight whereas a load cell was attached to the proximal end of the specimen and used to quantify the impact transmitted through the wrist joint. From the nondestructive tests, mean peak force measured from a force plate showed no difference between the guarded and unguarded groups whereas mean impulse of the guarded group was significantly greater than that of the unguarded group (p&lt;0.01). Comparing the peak force and impulse measured from the load cell, the peak force of the guarded group was significantly less than that of the unguarded group (p&lt;0.001), while the impulse values were similar. When the specimens were dropped from a higher position (2.5 ft vs. 1 ft), all unguarded specimens had severe wrist fractures whereas fracture was found in three out of 5 guarded specimens. Comparison of mean peak forces and impulses showed a significant difference between the guarded and unguarded groups only in the mean impulse measured from the force plate. These results suggest that the wrist guard may protect the wrist by attenuating the peak force transmitted to radius and ulnar although it may not be effective when the wrist is subjected to an impact sufficiently large to cause fractures.[PUBLICATION ABSTRACT]</description><identifier>ISSN: 1226-4865</identifier><identifier>ISSN: 1738-494X</identifier><identifier>EISSN: 1976-3824</identifier><identifier>DOI: 10.1007/BF03185285</identifier><language>eng</language><publisher>Seoul: 대한기계학회</publisher><subject>Applied physiology ; Attenuation ; Biological and medical sciences ; Biomechanics ; Design engineering ; Force plates ; Fracture mechanics ; Guards ; Human physiology applied to population studies and life conditions. Human ecophysiology ; Impulses ; Inline skating ; Load cells ; Medical sciences ; Transports. Aerospace. Diving. 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The forearm specimens with and without wrist guards were dropped using a specially designed sled to simulate the impact on the wrist while falling. A force plate was used to measure the total impact force on the dropping weight whereas a load cell was attached to the proximal end of the specimen and used to quantify the impact transmitted through the wrist joint. From the nondestructive tests, mean peak force measured from a force plate showed no difference between the guarded and unguarded groups whereas mean impulse of the guarded group was significantly greater than that of the unguarded group (p&lt;0.01). Comparing the peak force and impulse measured from the load cell, the peak force of the guarded group was significantly less than that of the unguarded group (p&lt;0.001), while the impulse values were similar. 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identifier ISSN: 1226-4865
ispartof Journal of mechanical science and technology, 2001-07, Vol.15 (7), p.1072-1076
issn 1226-4865
1738-494X
1976-3824
language eng
recordid cdi_proquest_miscellaneous_1266759715
source SpringerNature Complete Journals
subjects Applied physiology
Attenuation
Biological and medical sciences
Biomechanics
Design engineering
Force plates
Fracture mechanics
Guards
Human physiology applied to population studies and life conditions. Human ecophysiology
Impulses
Inline skating
Load cells
Medical sciences
Transports. Aerospace. Diving. Altitude
Wrist
title Biomechanical Effect of In-line Skating Wrist Guards on the Prevention of Wrist Fracture
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