Median nerve behavior at different wrist positions among older males

Ping Yeap Loh, Hiroki Nakashima, Satoshi Muraki

    研究成果: ジャーナルへの寄稿学術誌査読

    7 被引用数 (Scopus)

    抄録

    The effect of wrist flexion-extension on the median nerve appearance, namely the cross-sectional area (MNCSA) and the longitudinal (D1) and vertical (D2) diameters, was investigated among older adults (N = 34). Ultrasound examination was conducted to examine the median nerve at different wrist angles (neutral; and 15°, 30°, and 45° extension and flexion), in both the dominant and nondominant hand.Median nerve behavior were significantly associated with wrist angle changes. The MNCSA at wrist flexion and extension were significantly smaller (P < .001) compared with the neutral position in both the dominant and nondominant hand. The D1 and D2 were significantly reduced at flexion (P < .001) and extension (P < .001), respectively, in both the dominant and nondominant hand. Our results suggest that a larger flexion-extension angle causes higher compression stress on the median nerve, leading to increased deformation of the MNCSA, D1, and D2 among older adults.

    本文言語英語
    論文番号e928
    ジャーナルPeerJ
    2015
    3
    DOI
    出版ステータス出版済み - 2015

    !!!All Science Journal Classification (ASJC) codes

    • 神経科学(全般)
    • 生化学、遺伝学、分子生物学(全般)
    • 農業および生物科学(全般)

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