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首页> 外文期刊>Journal of hand therapy: Official journal of the American Society of Hand Therapists >A supination splint worn distal to the elbow: a radiographic, electromyographic, and retrospective report.
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A supination splint worn distal to the elbow: a radiographic, electromyographic, and retrospective report.

机译：肘关节远侧佩戴的旋后夹板：放射线照相，肌电图和回顾性报告。

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摘要

The purposes of this study were to 1) describe a dynamic supination splint that does not cross the humeroulnar and humeroradial joints, allowing flexion and extension of the elbow; 2) provide retrospective data on effectiveness of this splint in patients with limited supination; and 3) provide data from radiography and electromyography (EMG) that document this splint's ability to provide a passive supination force. Eleven subjects treated for various elbow and/or wrist fractures leading to losses of forearm supination significantly increased their passive range of motion (PROM) from 34.0 degrees at the initial visit to 82.3 degrees at discharge and active range of motion (AROM) from 27.0 degrees to 72.3 degrees. Radiographic images of the radius and ulna were identical in maximal voluntary supination and resting in the splint. Surface EMG was used to measure supinator muscle activity at rest, passively supinated while wearing the splint, and during a maximal isometric supination effort (without splint). Average supinator EMG activity was 7.9 mV at rest, 7.8 mV in the splint, and 68.0 mV with maximal isometric contraction. Results indicate the supination splint is clinically effective in increasing supination PROM. EMG data and radiographs indicate that the splint passively positions the forearm in supination even though the proximal margin of the splint does not cross the elbow.
机译：本研究的目的是：1）描述一种动态旋后夹板，该夹板不穿过肱骨头和肱骨radi关节，允许肘部屈伸。 2）提供有关该夹板在旋后受限患者中有效性的回顾性数据;和3）提供射线照相和肌电图（EMG）的数据，证明该夹板提供被动旋后力的能力。接受了各种肘部和/或腕部骨折治疗并导致前臂​​旋后丧失的11名受试者的被动活动范围（PROM）从初次就诊时的34.0度显着增加到出院时的82.3度，活动范围（AROM）从27.0度到72.3度voluntary骨和尺骨的放射影像在最大的自主仰卧和固定在夹板中是相同的。表面肌电图用于测量静止时的旋后肌活动，在佩戴夹板时以及在等轴测最大仰卧作用力（无夹板）中进行被动旋后的活动。静止时的平均旋肌肌电活动为7.9 mV，夹板为7.8 mV，最大等距收缩为68.0 mV。结果表明，旋后夹板在增加旋后PROM方面临床有效。 EMG数据和X射线照片表明，即使夹板的近端边缘没有穿过肘部，夹板也可以使前臂被动地处于仰卧状态。

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