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편평외반족을 동반한 뇌성마비 환자에서 비복근의 길이 및 속도 분석

Other Titles
 Gastrocnemius Muscle Length and Velocity During Gait in Patients with Planovalgus Foot Deformity in Cerebral Palsy 
 서영진  ;  박건보  ;  곽윤해  ;  이기석  ;  김현우 
 Journal of Korean Orthopaedic Research Society, Vol.12(1) : 1-11, 2009 
Journal Title
Journal of Korean Orthopaedic Research Society(대한정형외과연구학회지)
Issue Date
Planovalgus ; Cerebral palsy ; Musculoskeletal model ; Gait analysis
Purpose: Patients with planovalgus show various abnormal gaits and these are affected by the different length and velocity of the muscles around knee and ankle. The purpose of study is to compare the length and velocity of gastrocnemius in cerebral palsy with planovalgus by ankle plantarflexion-knee extension couple.

Materials and Methods : 22 patients with spastic diplegia who have planovalgus were included. The mean age was 12 years (5 years~18 years). Group I consisted of 7 patients with knee flexion more than 30 degrees and Group II consisted of 15 patients with knee flexion less than 15 degrees during mid-stance phase. Normal groups were consisted of 15 normal children.

Results: In patients with planovalgus, ankle dorsiflexion during stance was decreased but ankle plantarflexion was not different compared to normal. There is no difference in the percent length of gastrocnemius compared to normal, but the velocity was decreased. The percent length of gastrocnemius was decreased in group I, but there were no difference in the velocity.

Conclusion: The decreased velocity of gastrocnemius is the cause of disability of ankle plantarflexion-knee extension couple and the variable length of gastrocnemius is the cause of variability of abnormal gait
Files in This Item:
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kwak, Yoon Hae(곽윤해) ORCID logo https://orcid.org/0000-0002-0596-1228
Kim, Hyun Woo(김현우) ORCID logo https://orcid.org/0000-0001-8576-1877
Lee, Ki Seok(이기석)
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