Sensory Organization Test Conditions Influence Postural Strategy Rather than Footwear or Workload

Harish Chander, Sachini N. K. Kodithuwakku Arachchige, Alana J. Turner, Reuben F. Burch V, Jennifer C. Reneker, Adam C. Knight, Chip Wade and John C. Garner
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Harish Chander: Neuromechanics Laboratory, Department of Kinesiology, Mississippi State University, Starkville, MS 39762, USA
Sachini N. K. Kodithuwakku Arachchige: Neuromechanics Laboratory, Department of Kinesiology, Mississippi State University, Starkville, MS 39762, USA
Alana J. Turner: Neuromechanics Laboratory, Department of Kinesiology, Mississippi State University, Starkville, MS 39762, USA
Reuben F. Burch V: Human Factors & Athlete Engineering, Center for Advanced Vehicular Systems (CAVS), Mississippi State University, Starkville, MS 39759, USA
Jennifer C. Reneker: Department of Population Health Science, John D. Bower School of Population Health, University of Mississippi Medical Center, Jackson, MS 39216, USA
Adam C. Knight: Neuromechanics Laboratory, Department of Kinesiology, Mississippi State University, Starkville, MS 39762, USA
Chip Wade: Center for Diagnostics, Design, Device and Biomechanics, The University of Mississippi, Oxford, MS 38677, USA
John C. Garner: Department of Kinesiology and Health Promotion, Troy University, Troy, AL 36082, USA

IJERPH, 2021, vol. 18, issue 19, 1-10

Abstract: Background: Postural strategies such as ankle, hip, or combined ankle-hip strategies are used to maintain optimal postural stability, which can be influenced by the footwear type and physiological workload. Purpose: This paper reports previously unreported postural strategy scores during the six conditions of the sensory organization test (SOT). Methods: Fourteen healthy males (age: 23.6 ± 1.2 years; height: 181 ± 5.3 cm; mass: 89.2 ± 14.6 kg) were tested for postural strategy adopted during SOT in three types of occupational footwear (steel-toed work boot, tactical work boot, low-top work shoe) every 30 min during a 4-h simulated occupational workload. Postural strategy scores were analyzed using repeated measures analysis of variance at 0.05 alpha level. Results: Significant differences among postural strategy scores were only evident between SOT conditions, and but not between footwear type or the workload. Conclusions: Findings indicate that occupational footwear and occupational workload did not cause a significant change in reliance on postural strategies. The significant changes in postural strategy scores were due to the availability of accurate and/or conflicting sensory feedback during SOT conditions. In SOT conditions where all three types of sensory feedback was available, the ankle strategy was predominantly adopted, while more reliance on hip strategy occurred in conditions with absent or conflicting sensory feedback.

Keywords: sensory organization test; postural strategy; occupational footwear; occupational workload (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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