Journal
ARCHIVES OF PHYSICAL MEDICINE AND REHABILITATION
Volume 96, Issue 2, Pages 331-339Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.apmr.2014.09.037
Keywords
Amputation; Diabetes complications; Lower extremity; Peripheral vascular diseases; Postural balance; Proprioception; Rehabilitation
Categories
Funding
- New Zealand Artificial Limb Service, Wellington [PL10674001PLX]
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Objective: To compare the postural control of persons with a dysvascular transtibial amputation and traumatic transtibial amputation with able-bodied adults with and without a dysvascular condition in altered sensory testing conditions. Design: Cross-sectional study. Setting: University balance clinic. Participants: The study participants (N=35) included: participants with a dysvascular transtibial amputation (n=9), participants with a traumatic transtibial amputation (n=9), age-matched able-bodied adults without a dysvascular condition (n=9), and able-bodied adults with a dysvascular condition (n=8). Interventions: Six Sensory Organization Test (SOT) conditions, which included standing with eyes open (condition 1) and closed (condition 2) on a static force platform with visual surround; standing with eyes open on a static force platform with movable visual surround (condition 3); standing with eyes open (condition 4) and closed (condition 5) on a movable force platform with static visual surround; and standing with eyes open on a movable force platform with movable visual surround (condition 6). Main Outcome Measures: Bilateral anteroposterior (AP) and mediolateral (ML) center of pressure variables, namely root mean square distance (RMSD) and mean velocity (mVel), for each of the 6 SOT conditions. Results: The dysvascular transtibial amputation group demonstrated a higher AP RMSD (P <=.04) on the sound side than did the able-bodied adults without a dysvascular condition and the able-bodied adults with a dysvascular condition in SOT conditions 1 and 2, respectively. Both the dysvascular transtibial amputation group and the traumatic transtibial amputation group demonstrated a higher AP RMSD (P <=.002) than the able-bodied adults without a dysvascular condition in SOT conditions 3 and 4. The dysvascular transtibial amputation group showed higher AP mVel (P <=.002) on the sound side for SOT conditions 2 and 3, whereas both amputation groups showed higher AP mVel for SOT conditions 1 and 4 than the able-bodied adults with and without a dysvascular condition. Conclusions: Postural control of the dysvascular transtibial amputation group was not different than the traumatic transtibial amputation group in challenging sensory conditions. However, when compared with the groups of able-bodied adults with and without a dysvascular condition, postural strategies distinct with amputation etiology were observed. (C) 2015 by the American Congress of Rehabilitation Medicine
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