الفهرس 
Efficacy of whole body vibration on strength of calf and quadriceps muscles post burn
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Abstract
Purpose: This study was conducted to investigate the efficacy of whole-body vibration on strength of calf and quadriceps muscles post burn. Subjects: Thirty patients (18 male and 12 female) had second degree burn of lower limb with surface area about (20-35%) suffering from weakness of quadriceps and calf muscles. Their ages ranged between (20-35) years were participated in this study. The study conducted during the period between March and July 2017 at Makka Hospital and Al Nada Hospital, El-Fayoum Governorate, Egypt. Methods: They were assigned randomly into two groups (A and B) equal in number: group (A) patients had received vibration training on vibration platform (The frequency of vibration was set at 30 Hz, amplitude ranging from 4 to 7 mm and an acceleration of 2.28 g. The total duration of the whole body vibration training stimulus was 10 min in 1st week and progress gradually to 25 min in the 8th week. 3 times/week) plus home based physical therapy program (eight weeks, three times a week). group (B) patients had received the same home based physical therapy program only. Evaluations of both groups were done before the treatment and at the end of study after eight weeks using hand held dynamometer and manual muscle test