Gait analysis of leprosy patients with foot drop using principal component analysis

Peripheral nerve injury caused by leprosy can lead to foot drop, resulting in an altered gait pattern that has not been previously described using 3D gait analysis. Gait kinematics and dynamics were analyzed in 12 patients with unilateral foot drop caused by leprosy and in 15 healthy controls. Biome...

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Bibliographic Details
Published in:Clinical biomechanics (Bristol) 2023-05, Vol.105, p.105983-105983, Article 105983
Main Authors: Cohen, Jose Carlos, de Souza Muniz, Adriane Mara, Carvalho Junior, Roberto B., de Oliveira, Henrique Lelis Clemente, Miranda, Silvana T., Gomes, Maria Kátia, da Cunha, Antonio José Ledo Alves, Menegaldo, Luciano L.
Format: Article
Language:English
Subjects:
Ankle Joint
Biomechanical Phenomena
Foot drop
Foot Orthoses
Gait - physiology
Gait Analysis
Hansen's disease
Humans
Leprosy
Muscle Weakness
Peroneal Neuropathies
Principal Component Analysis
Walking - physiology
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Summary:Peripheral nerve injury caused by leprosy can lead to foot drop, resulting in an altered gait pattern that has not been previously described using 3D gait analysis. Gait kinematics and dynamics were analyzed in 12 patients with unilateral foot drop caused by leprosy and in 15 healthy controls. Biomechanical data from patients' affected and unaffected limbs were compared with controls using inferential statistics and a standard distance, based on principal components analysis (PCA). Patients walked slower than controls (0.8 ± 0.2 vs. 1.1 ± 0.2 m/s, p = 0.003), with a reduced stance and increased swing percentage. The affected limb increased (p 
ISSN:0268-0033
1879-1271
DOI:10.1016/j.clinbiomech.2023.105983