The relationship between isokinetic musclestrength and spasticity in the lower limbs ofstroke patients

سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 374

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شناسه ملی سند علمی:

ISNRMED04_027

تاریخ نمایه سازی: 30 آذر 1398

چکیده مقاله:

Objective: In this study the relationship between degree of spasticity and strength of knee extensor and ankle plantar flexor muscles of post stroke hemiparetic patientshasbeeninvestigated. Materials & methods: The participants of this study were 40 stroke patients whose elapsedtime of stroke onset was at least 3 months. Their age averaged 59 years. Spasticity wasmeasured with the Modified Ashworth Scale. Isokinetic muscle strength was measured withan isokinetic dynamometer. Two methods of torque normalization e subtractive and weightbased normalization e were used for comparing torques among participants. Results: Kendall’s tau-b coefficient was calculated for investigating this relationship. This coefficient was not significant for the relationship between weight based normalized data andmodified Ashworth scale (MAS) in any of each muscle groups (a Z 0.05). This coefficientwas significant for the relationship between the subtractive normalization method and MASin knee extensors (P Z 0.005, a Z 0.01) and ankle plantar flexors (P Z 0.002, a Z 0.01). Conclusion: This study suggests a negative relationship between spasticity and muscle strengthand provided evidence that spastic muscles are weaker.

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نویسندگان

Iraj Abdollahi

Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran

Maghsoud Eivazi

Department of Physiotherapy, Tabriz Medical Sciences University, Tabriz, Iran

Shapour Jaberzadeh

Department of Physiotherapy, School of Primary Health Care, Faculty of Medicine, Nursing andHealth Sciences, Monash University, Melbourne, Australia

Alireza Taghizadeh

Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran

Hassan Shakeri

Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran