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Ann Rehabil Med. 2016 Apr;40(2):271-278. English. Original Article. https://doi.org/10.5535/arm.2016.40.2.271
Cho KH , Jeon Y , Lee H .
Department of Rehabilitation Medicine, Chungnam National University Hospital, Daejeon, Korea. asacara@naver.com
Abstract

OBJECTIVE: To investigate the difference of range of motion (ROM) of ankle according to pushing force, gender and knee position. METHODS: One hundred and twenty-eight healthy adults (55 men, 73 women) between the ages of 20 and 51, were included in the study. One examiner measured the passive range of motion (PROM) of ankle by Dualer IQ Inclinometers and Commander Muscle Testing. ROM of ankle dorsiflexion (DF) and plantarflexion (PF) according to change of pushing force and knee position were measured at prone position. RESULTS: There was significant correlation between ROM and pushing force, the more pushing force leads the more ROM at ankle DF and ankle PF. Knee flexion of 90° position showed low PF angle and high ankle DF angle, as compared to the at neutral position of knee joint. ROM of ankle DF for female was greater than for male, with no significant difference. ROM of ankle PF for female was greater than male regardless of the pushing force. CONCLUSION: To our knowledge, this is the first study to assess the relationship between pushing force and ROM of ankle joint. There was significant correlation between ROM of ankle and pushing force. ROM of ankle PF for female estimated greater than male regardless of the pushing force and the number of measurement. The ROM of the ankle is measured differently according to the knee joint position. Pushing force, gender and knee joint position are required to be considered when measuring the ROM of ankle joint.

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