PloS one · 2019
A novel assessment for Readiness Evaluation during Simulated Dismounted Operations: A reliability study.
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Rábago Christopher A, Sheehan Riley C, Schmidtbauer Kelly A, Vernon Michael C, Wilken Jason M
Аннотация
OBJECTIVE: To determine the intersession reliability of the Readiness Evaluation during Simulated Dismounted Operations (REDOp), a novel ecologically-based assessment for injured Service Members, provide minimal detectable change values, and normative reference range values. To evaluate the ability to differentiate performance limitations between able-bodied and injured individuals using the REDOp.
DESIGN: Repeated measures design and between group comparison.
SETTING: Outpatient rehabilitative care setting.
PARTICIPANTS: Service Members who were able-bodied (n = 32) or sustained a traumatic lower extremity injury (n = 22).
INTERVENTIONS: During the REDOp, individuals walked over variable terrain as speed and incline progressively increased; they engaged targets; and carried military gear.
MAIN OUTCOME MEASURES: Endurance measured using total distance traveled; walking stability measured using range of full-body angular momentum; and shooting accuracy, precision, reaction time and acquisition time.
RESULTS: Intersession reliability analyses were conducted on a sub-group of 18 able-bodied Service Members. Interclass correlation coefficient values were calculated for distance traveled (0.91), range of angular momentum about three axes (0.78-0.93), shooting accuracy (0.61), precision (0.47), reaction time (0.21), and acquisition time (0.77). Service Members with lower extremity injury demonstrated significantly less distance traveled with a median distance of 0.89 km compared to 2.73 km for the able-bodied group (p < 0.001). Service Members with lower extremity injury demonstrated significantly less stability in the frontal and sagittal planes than the able-bodied group (p < 0.001). The primary performance limiter was endurance followed by pain for both groups. There was no evidence of ceiling effects.
CONCLUSIONS: The REDOp is a highly reliable, military-relevant assessment that can be used to measure performance and identify deficits across the domains of activity tolerance, gait stability, and shooting performance.
DESIGN: Repeated measures design and between group comparison.
SETTING: Outpatient rehabilitative care setting.
PARTICIPANTS: Service Members who were able-bodied (n = 32) or sustained a traumatic lower extremity injury (n = 22).
INTERVENTIONS: During the REDOp, individuals walked over variable terrain as speed and incline progressively increased; they engaged targets; and carried military gear.
MAIN OUTCOME MEASURES: Endurance measured using total distance traveled; walking stability measured using range of full-body angular momentum; and shooting accuracy, precision, reaction time and acquisition time.
RESULTS: Intersession reliability analyses were conducted on a sub-group of 18 able-bodied Service Members. Interclass correlation coefficient values were calculated for distance traveled (0.91), range of angular momentum about three axes (0.78-0.93), shooting accuracy (0.61), precision (0.47), reaction time (0.21), and acquisition time (0.77). Service Members with lower extremity injury demonstrated significantly less distance traveled with a median distance of 0.89 km compared to 2.73 km for the able-bodied group (p < 0.001). Service Members with lower extremity injury demonstrated significantly less stability in the frontal and sagittal planes than the able-bodied group (p < 0.001). The primary performance limiter was endurance followed by pain for both groups. There was no evidence of ceiling effects.
CONCLUSIONS: The REDOp is a highly reliable, military-relevant assessment that can be used to measure performance and identify deficits across the domains of activity tolerance, gait stability, and shooting performance.