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Journal of the Korean Academy of Rehabilitation Medicine 2010;34(2):189-196.
Gait Characteristics of Transfemoral Amputees in Long Term Users of Poly Centric Knee.
Kim, Woo Sub , Choi, Jae Yung , Lee, Seung Hwa , Kim, Shin Do , Jeong, Hae Won , Jang, Chul Ho , Cha, Dong Yeon , Kim, Seon Nyeo
1Department of Rehabilitation Medicine, Seoul Veterans Hospital, Korea. panic0130@naver.com
2Department of Rehabilitation Medicine, Gwangju Heemang Hospital, Korea.
장기 다축 슬관절 대퇴 의지 사용 절단자의 보행 양상
김우섭, 최재영, 이승화, 김신도1, 정해원, 장철호, 차동연, 김선녀
서울보훈병원 재활의학과, 1광주 희망병원 재활의학과
Abstract
Objective
To evaluate characteristic gait patterns of transfemoral amputees who have been using polycentric knee for a long time.
Method
Subjects were 22 transfemoral amputees using prosthesis for 29.0 years and 23 age-matched healthy adults. The three-dimensional gait analysis was performed. Temporospatial, kinematic and kinetic parameters were measured.
Results
Cadence and walking velocity of amputees decreased (p<0.05). Single support period decreased in amputee limb. There were no significant differences in hip flexion moment and power. In amputated limb, knee flexion in loading response was not observed and ankle plantar flexion was less than sound limb and control group. Excessive compensations of amputee side hip joint were not significant.
Conclusion
Long term polycentric knee unit transfemoral prosthesis users show asymmetry of gait pattern which can increase the risk of musculoskeletal problems. Epidemiologic investigation would be necessary for prevention and proper management. (J Korean Acad Rehab Med 2010; 34: 189-196)
Key Words: Transfemoral amputation, Gait analysis, Polycentric knee


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