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Kinematics and kinetics of gait on stilts: identification of risk factors associated with construction stilt use.

Authors
Chiou-SS; Pan-CS; Bhattacharya-A
Source
Ergonomics 2008 Dec; 51(12):1814-1829
NIOSHTIC No.
20034736
Abstract
This study investigated kinematics and kinetic strategies and identified risk factors associated with gait on stilts. A six-camera motion-analysis system and two force platforms were used to test 20 construction workers for straight walking or turning, with or without carrying tools while wearing safety shoes or stilts at different heights. The results indicated that gait on stilts is characterised by increases in stride length, step width and the percentage of double support period, decreases in cadence, minimum foot clearance and a weaker heel-strike and push-off. Stilts place greater joint loadings on lower extremities to compensate for the added weight and limitation in joint mobility. Smaller foot clearances found for gait on stilts constitute an increased risk for tripping over obstacles. Workers may need to avoid prolonged use of stilts to alleviate stresses on the joints. This study was conducted to determine to what extent stilts alter the gait strategies and to explain the compensatory movements. Prior to this study, there has been little substantive research to evaluate the stresses and potential injuries associated with stilts.
Keywords
Construction-industry; Construction-workers; Injury-prevention; Accident-prevention; Biomechanics; Biomechanical-modeling; Ergonomics
Contact
Sharon S. Chiou, Division of Safety Research, National Institute for Occupational Safety and Health, 1095 Willowdale Rd., Morgantown, West Virginia 26505, USA
CODEN
ERGOAX
Publication Date
20081201
Document Type
Journal Article
Email Address
schiou@cdc.gov
Fiscal Year
2009
NTIS Accession No.
NTIS Price
Issue of Publication
12
ISSN
0014-0139
NIOSH Division
DSR
Source Name
Ergonomics
State
WV; OH
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