Journal
JOURNAL OF REHABILITATION RESEARCH AND DEVELOPMENT
Volume 50, Issue 7, Pages 969-983Publisher
JOURNAL REHAB RES & DEV
DOI: 10.1682/JRRD.2013.02.0035
Keywords
CHAMP; gait; high-level mobility; injury severity; lower-limb loss; prosthetics; rehabilitation; servicemembers; traumatic amputation; waist circumference
Categories
Funding
- Military Amputee Research Program
- Telemedicine and Advanced Technology Research Center [W81XWH-06-2-0073]
- U.S. Army Medical Research Acquisition Activity, Fort Detrick, Maryland
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The purpose of this study was to examine the possible relationship between factors modifiable by rehabilitation interventions (rehabilitation factors), other factors related to lower-limb loss (other factors), and high-level mobility as measured by the Comprehensive High-Level Activity Mobility Predictor (CHAMP) in servicemembers (SMs) with traumatic lower-limb loss. One-hundred eighteen male SMs with either unilateral transtibial amputation (TTA), unilateral transfemoral amputation (TFA), or bilateral lower-limb amputation (BLLA) participated. Stepwise regression analysis was used to develop separate regression models of factors predicting CHAMP score. Regression models containing both rehabilitation factors and other factors explained 81% (TTA), 36% (TFA), and 91% (BLLA) of the variance in CHAMP score. Rehabilitation factors such as lower-limb strength and dynamic balance were found to be significantly related to CHAMP score and can be enhanced with the appropriate intervention. Further, the findings support the importance of salvaging the knee joint and its effect on high-level mobility capabilities. Lastly, the J-shaped energy storage and return feet were found to improve high-level mobility for SMs with TTA. These results could help guide rehabilitation and aid in developing appropriate interventions to assist in maximizing high-level mobility capabilities for SMs with traumatic lower-limb loss.
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