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Journal of the Korean Academy of Rehabilitation Medicine 2001;25(5):776-783.
The Effect of the Swimming Exercise on Functional Recovery after Experimental Contusive Spinal Cord Injury in the Rats.
Kim, Bong Ok , Kim, Young Kyoung , Lee, Goo Young , Choi, Biao Song , Cho, Kang Hee , Sohn, Jin Hoon
1Department of Rehabilitation Medicine, Chungnam National University College of Medicine.
2Department of Psychology, College of Social Science, Chungnam National University.
척수손상 흰쥐에서 수영이 하지의 운동기능 회복에 미치는 영향
김봉옥, 김영경, 이구영, 최송표, 조강희, 손진훈1
충남대학교 의과대학 재활의학교실, 1사회과학대학 심리학과
Abstract

Objective
This study was designed to see the effect of swimming exercise in the rats after experimental contusive spinal cord injury.


Method
Twenty six Sprague-Dawley rats (weight, 300 to 350 g) were divided into control (n=9) and experimental swimming groups (n=17). With the Spinal Cord Dropping Device (NYU, U.S.A.), contusive injury to the spinal cord was induced at the eighth thoracic level in both groups. Rats of the experimental group put to swim for 5 minutes a day during the second week and then swimming times a day were increased in one number to each week. But the other ten rats were remained without swimming exercise as the control. Functional recovery of the hind limb was evaluated by the inclined board plane test, the Bassoe Beattie Bresnahan (BBB) locomotor rating scales and histological findings of injured spinal cord.


Results
1) Upward maximal angles of the inclined plane test were significantly greater in experimental group than control group after 10 days post-injury (p<0.05). 2) BBB scores were higher in experimental group than control group at 14 days after injury (p<0.05).


Conclusion
This study suggests that swimming applied from the early phase after spinal cord injury be beneficial in the early recovery of motor function.

Key Words: Contusive spinal cord injury, Swimming, Functional motor recovery


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