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Kinematics and muscle activities of the lower limb during a side-cutting task in subjects with chronic ankle instability

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Title: Kinematics and muscle activities of the lower limb during a side-cutting task in subjects with chronic ankle instability
Authors: Koshino, Yuta Browse this author
Ishida, Tomoya Browse this author
Yamanaka, Masanori Browse this author →KAKEN DB
Ezawa, Yuya Browse this author
Okunuki, Takumi Browse this author
Kobayashi, Takumi Browse this author →KAKEN DB
Samukawa, Mina Browse this author →KAKEN DB
Saito, Hiroshi Browse this author →KAKEN DB
Tohyama, Harukazu Browse this author →KAKEN DB
Keywords: Ankle sprain
Neuromuscular control
Ankle biomechanics
Motion analysis
Turn
Issue Date: Apr-2016
Publisher: Springer
Journal Title: Knee surgery sports traumatology arthroscopy
Volume: 24
Issue: 4
Start Page: 1071
End Page: 1080
Publisher DOI: 10.1007/s00167-015-3745-y
PMID: 26254794
Abstract: The purpose of the present study was to evaluate lower limb kinematics and muscular activities during walking, side-turning while walking, and side-cutting movement in athletes with chronic ankle instability and compare the results to those of athletes without chronic ankle instability. Lower limb kinematics and muscular activities were evaluated in 10 athletes with chronic ankle instability and 10 healthy control athletes using a three-dimensional motion analysis system and surface electromyography during the 200-ms pre-initial contact (IC) and stance phases while walking, side-turning while walking, and side-cutting. During walking or side-turning while walking, there were no significant differences in kinematics or muscle activities between the subjects with and without chronic ankle instability. For the side-cutting task, however, ankle inversion angles during the 200-ms pre-IC and late stance phases [effect sizes (ESs) = 0.95-1.43], the hip flexion angle (ESs = 0.94-0.96) and muscular activities of the gastrocnemius medialis (ESs = 1.04-1.73) during the early stance phase were significantly greater in the athletes with chronic ankle instability than in the healthy control athletes. Alterations of kinematics in athletes with chronic ankle instability were found not only at the ankle but also at hip joints during the side-cutting movement. These alterations were not detected during walking or side-turning while walking. The findings of the present study indicate that clinicians should take into account the motion of the hip joint during the side-cutting movement in persons with chronic ankle instability. III.
Rights: The final publication is available at Springer via http://dx.doi.org/10.1007/s00167-015-3745-y.
Type: article (author version)
URI: http://hdl.handle.net/2115/65205
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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