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Assessment of Gait Stability in Lower-Limb Amputees Using Trunk Accelerations

This study evaluates gait stability, harmony, and symmetry in subjects with lower-limb amputation by analyzing upper-body accelerations. Significant differences were found in walking characteristics among amputees with various levels of amputation and prostheses types.

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Assessment of Gait Stability in Lower-Limb Amputees Using Trunk Accelerations

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  1. Assessment of gait stability, harmony, and symmetry in subjects with lower-limb amputation evaluated by trunk accelerations Marco Iosa, PhD; Francesco Paradisi, MSc; Stefano Brunelli, MD; Anna Sofia Delussu, MD, PhD; Roberto Pellegrini, CPO; Daniele Zenardi, CPO; Stefano Paolucci, MD; Marco Traballesi, MD

  2. Aim • To analyze upper-body accelerations in subjects with lower-limb amputation using a simple technique for quantitatively assessing their features of gait, such as stability, harmony, and symmetry. • Relevance • Despite growing literature on elderly healthy populations and neurological patients, few studies have used accelerometry to investigate these features in subjects with lower-limb amputation.

  3. Method • Enrolled 4 groups of subjects with unilateral lower-limb amputation: • Transfemoral amputation with locked knee prosthesis. • Transfemoral amputation with unlocked knee prosthesis. • Transtibial amputation. • Healthy subjects.

  4. Results • Statistically significant differences for stability, harmony, and symmetry of walking. • Lowest laterolateral harmony in subjects with transtibial amputation.

  5. Conclusion • This was the first study to: • Investigate upper-body acceleration of subjects during walking who were evaluated upon dismissal from a rehabilitation hospital. • Differentiate sample in terms of level of amputation and type of prosthesis used.

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