2001
DOI: 10.1016/s1353-8020(01)00002-5
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Muscle weakness in Parkinson's disease: a follow-up study

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Cited by 31 publications
(24 citation statements)
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“…For example, this strategy could be adopted due to the inability to generate appropriate momentum or the presence of neuromuscular deficits, which limit adequate muscular force production [26, 28]. While we did not directly measure muscular force, our findings are consistent with reports of reduced lower extremity force generation in persons with PD [29]. In aggregate, the cross-sectional designs of the previously mentioned studies and the absence of strength measures in the current study limit our ability to tease out whether or not the shorter COP-eCOM differences are primary deviations related to a lack of neuromuscular control or secondary compensation of the disease.…”
Section: Discussionsupporting
confidence: 80%
“…For example, this strategy could be adopted due to the inability to generate appropriate momentum or the presence of neuromuscular deficits, which limit adequate muscular force production [26, 28]. While we did not directly measure muscular force, our findings are consistent with reports of reduced lower extremity force generation in persons with PD [29]. In aggregate, the cross-sectional designs of the previously mentioned studies and the absence of strength measures in the current study limit our ability to tease out whether or not the shorter COP-eCOM differences are primary deviations related to a lack of neuromuscular control or secondary compensation of the disease.…”
Section: Discussionsupporting
confidence: 80%
“…7 In recent clinical trials, decreased muscle strength has been observed in patients with PD. [8][9][10][11][12] Kakinuma et al measured the isokinetic muscle strength of knee extension and flexion and observed isokinetic strength reduction on the side more affected by PD. 12 Nallegowda et al tested the strength of the trunk, hip, and ankle flexor and extensor muscles using isokinetic measurements, and reported a decrease in strength in all the flexor and extensor muscle groups.…”
Section: Introductionmentioning
confidence: 99%
“…11 Finally, Nogaki et al hypothesised that muscle weakness in PD is likely to depend on movement velocity. 8,13 In contrast to the isokinetic evaluations described, some studies have evaluated quantitative isotonic and isometric muscle strength. 7,14,15 To date, no reported study has evaluated the isokinetic strength of the hip, knee, and ankle joints together.…”
Section: Introductionmentioning
confidence: 99%
“…Lower extremity muscle rigidity 13 , particularly in the hip flexors, may limit the ability to extend the hips during the backward stepping movement. Finally, muscle strength 25,26 , if impaired in the stepping or stance limb, may negatively impacted postural control during MSLT performance. Investigators should measure these biomechanical factors in the future to determine how they impact performance of each MSLT direction in PD.…”
Section: Discussionmentioning
confidence: 99%