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흰쥐에 대한 현수, 트레드밀 훈련과 전기자극이 종아리근에 미치는 효과
박정미,김성훈,정순희,이양탁,김익수,장상민 대한재활의학회 2004 Annals of Rehabilitation Medicine Vol.28 No.4
Objective: The purposes of this study were to investigate the effect of suspension, the electrical stimulation and full weight bearing treadmill training on the muscle atrophy and transformation of muscle fibers. Method: Forty Spraque-Dawley rats were divided into control and 3 intervention groups: suspension control (n= 10), suspension with weight bearing treadmill (n=10), and suspension with electrical stimulation (n=10). After 4 weeks intervention, both gastrocnemius and soleus were dissected and the muscle weight and transformation of muscle fibers were analyzed. Results: In suspension control and suspension electrical stimulation groups, muscle to body weight ratio of gastro-cnemius was decreased compared to control group (p<0.05). In all intervention groups, muscle to body weight ratio of soleus was decreased compared to control group (p<0.05). In suspension electrical stimulation group, type I muscle fiber ratio of gastrocnemius was increased compared to control and suspension control groups (p<0.05). In suspension electrical stimulation group, type IIa muscle fiber ratio of gastrocnemius was increased compared to suspension control group (p<0.05). Conclusion: It is suggested that muscle atrophy induced by disuse and transformation of muscle fiber can be prevented by electrical stimulation intervention. (J Korean Acad Rehab Med 2004; 28: 358-365)
편마비 환자의 견관절 탈구 교정용으로 새로 고안된 세 가지 팔걸이 보조기-증례보고-
박정미,김익수,박영우,이양탁,김성훈 대한재활의학회 2005 Annals of Rehabilitation Medicine Vol.29 No.1
We reported three types of newly designed arm slings (the 旅V” strap pouch arm sling, the Modified hemisling, the Tripod arm sling). The three slings and the conventional hemisling were all tested by a single stroke patient for the correction of shoulder subluxation. Sling effectiveness was evaluated by simple shoulder AP X-rays, quantitative electromyography (root mean square; RMS), strap tension, and preference of the patient. Of the four types, the 旅V” strap pouch arm sling reduced the vertical displacement the most. RMS values of the supraspinatus muscle tended decrease and strap tension was also lower after using the 旅V” strap pouch arm sling compared with others. The patient also preferred the 旅V” strap pouch arm sling to the other slings. We suggested that 旅V” strap pouch arm sling was the most effective among four types of arm slings (including conventional hemisling) for the correction of shoulder subluxation, and patient's preference.