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首页> 外文期刊>Gait & posture >The effect of cane use method on center of mass displacement during stair ascent.
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The effect of cane use method on center of mass displacement during stair ascent.

机译：甘蔗使用方法对楼梯上升过程中质心位移的影响。

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The aim of the study was to examine the effect of forward and lateral cane placement on displacement of whole body center of mass (COM) and spatial relationship between COM and the cane during stair ascent (SA) in healthy adults. The data were obtained using three-dimensional motion analysis while ascending stairs non-reciprocally with following methods: (1) dominant foot stepped up first, then the opposite foot without a cane (NC); (2) forward placement of a quadricane followed by the ipsilateral foot, then contralateral foot (FCI); (3) forward cane placement followed by the contralateral foot, then ipsilateral foot (FCC); (4) ipsilateral foot stepping up first, followed by the contralateral foot, then the cane (LCI); (5) contralateral foot stepping up, followed by the ipsilateral foot, then the cane (LCC). The results indicated that the cane placement had significant effect on the medial-lateral (ML) COM displacement and the kinematics of the trunk. Lateral cane placement requires greater trunk extension and side-flexion. The major differences between ipsilateral and contralateral cane use are the motions at frontal and transverse planes in which the COM displacement in ML direction is larger in ipsilateral cane use. The COM displacement in ML direction is larger in ipsilateral use of cane (LCI and FCI). The results of this study may help clinicians better understand the possible nature of balance control in patients who ascend stairs with a cane, and suggest that the method of cane placement should be taken into consideration by clinicians when teaching the cane user to ascend stairs.
机译：这项研究的目的是检查健康成年人在阶梯上升（SA）过程中手杖的前向和侧向放置对全身重心（COM）的位移以及COM与手杖之间空间关系的影响。数据是通过三维运动分析获得的，同时采用以下方法使楼梯不可逆地上升：（1）首先抬起优势脚，然后是没有拐杖的另一只脚（NC）; （2）将四头烷向前放置，然后是同侧脚，然后是对侧脚（FCI）; （3）向前放置手杖，然后是对侧脚，然后是同侧脚（FCC）; （4）先将同侧脚抬高，然后是对侧脚，然后是甘蔗（LCI）; （5）对侧脚加高，然后是同侧脚，然后是甘蔗（LCC）。结果表明，甘蔗放置对内侧-外侧（ML）COM位移和躯干运动学有显着影响。外侧拐杖放置需要更大的躯干伸展度和侧屈度。同侧和对侧手杖使用之间的主要区别是在前平面和横向平面上的运动，其中在同侧手杖使用中，沿ML方向的COM位移较大。在同侧使用甘蔗（LCI和FCI）时，沿ML方向的COM位移较大。这项研究的结果可能有助于临床医生更好地理解用拐杖爬楼梯的患者中平衡控制的可能性质，并建议临床医生在教拐杖使用者爬楼梯时应考虑拐杖的放置方法。

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