1. The Role of Muscle Strength in the Sit-to-Stand Task in Parkinson’s Disease
- Author
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José Fidel Baizabal-Carvallo, Marlene Alonso-Juarez, and Robert Fekete
- Subjects
Neurology. Diseases of the nervous system ,RC346-429 - Abstract
Background. Rising from a chair or the sit-to-stand (STS) task is frequently impaired in individuals with Parkinson’s disease (PD). These patients commonly attribute such difficulties to weakness in the lower extremities. However, the role of muscle strength in the STS transfer task has not been fully elucidated. Objective. We aim at determining the role of muscle strength in the STS task. Methods. We studied 90 consecutive patients with PD and 52 sex- and age-matched controls. Lower limb strength was determined in both legs by clinical examination using the Medical Research Council Scale, dynamometric (leg flexion) and weighting machine (leg pressure) measures. Patients were interrogated regarding the presence of subjective lower limb weakness or allied sensations. Results. There were 20 patients (22.2%) with abnormal STS task (item 3.9 of the MDS-UPDRS-III ≥2 points). These patients had higher modified Hoehn and Yahr stage P
- Published
- 2023
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