Range of motion measurement reliability for the Canadian Load Effects Assessment Program


  1. Morton, A.
  2. Sorgini, C.
  3. Bray-Miners, J.
  4. Yu, M.
  5. Sam, N.
Corporate Authors
Defence Research and Development Canada, Toronto Research Centre , Toronto ON (CAN);Humansystems Inc, Guelph ONT (CAN)
The Canadian Load Effects Assessment Program (CAN-LEAP) was created to study the implications of “Soldier Burden” on mobility and combat tasks and to determine the threshold at which a degradation in performance occurs. In addition to completing the mobility course and ancillary stands, the flexibility of each soldier while wearing the various equipment configurations is characterized. These Range of Motion (ROM) measurements encompass movements such as trunk rotation, lateral bending, trunk flexion, hip flexion, and shoulder abduction. To date, a standardized approach to taking ROM measures has not been developed. Of the seven experimental studies that have taken place at DRDC-Toronto, there have been four different ROM approaches used, making it difficult to consistently relate ROM to mobility performance. In order to better understand the association between ROM and operational performance, a standardized, accurate, and reliable ROM approach must be developed. Thirty regular force volunteers participated over six weeks of data collection. Each week a new set of participants completed range of motion exercises in three different equipment conditions and completed the CAN-LEAP course in six different equipment conditions. The first three conditions included a baseline condition, a full fighting order (FFO) condition, and an extended- FFO condition, while the last three conditions were slight modifications to the first three. Participants not only completed multiple runs

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CanLEAP;Body Armour
Report Number
DRDC-RDDC-2018-C120 — Contract Report
Date of publication
01 Mar 2018
Number of Pages
Electronic Document(PDF)

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