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Amputee Mobility Predictor-Bilateral: A Functional Mobility Measure for Bilateral Lower-Limb Amputees

Learn about the utility of the Amputee Mobility Predictor-Bilateral (AMP-B) in assessing functional tasks for those with bilateral lower-limb amputation, with comparisons to the 6-Minute Walk Test (6MWT). Minor scoring modifications allow for better evaluation.

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Amputee Mobility Predictor-Bilateral: A Functional Mobility Measure for Bilateral Lower-Limb Amputees

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  1. Amputee Mobility Predictor-Bilateral: A performance-based measure of mobility for people with bilateral lower-limb loss Michele A. Raya, PhD, PT, SCS, ATC; Robert S. Gailey, PhD, PT; Ignacio A. Gaunaurd, PhD, MSPT; Heather Ganyard, DPT; Justin Knapp-Wood, DPT; Karrie McDonough, DPT; Tiffany Palmisano, DPT

  2. Aim • Examine utility of Amputee Mobility Predictor (AMP)-Bilateral (AMP-B) to measure performance of functional tasks related to advanced skill activities in people with bilateral lower-limb amputation (BLLA). • Determine correlation between AMP-B scores and 6-Minute Walk Test (6MWT) performance. • Relevance • Original AMP is designed to assess mobility and functional capabilities for people with unilateral lower-limb amputation. • No comparable measure exists for those with BLLA.

  3. Method • 26 male servicemembers participated: • 12 with bilateral transtibial amputation (BTTA). • 7 with bilateral transfemoral amputation (BTFA). • 7 with combination transtibial and transfemoral amputation (TTA/TFA).

  4. Results • AMP-B scores, AMP scores, and 6MWT distance: • Significantly differed between: • Servicemembers with BTTA and TTA/TFA. • Servicemembers with BTTA and BTFA. • Did not significantly differ between: • Servicemembers with BTFA and TTA/TFA. • Scoring of 5 AMP items was modified because they necessitated intact knee joint to generate necessary torque requirements to perform activity without upper-limb assistance.

  5. Conclusion • Minor modifications in AMP scoring: • Do not alter total score. • Allow clinicians to determine mobility and functional capabilities of servicemembers with BTFA and TFA/TTA.

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