title: Surgical treatment of posterior interosseous nerve paralysis in a tennis player.
abstract: We report a rare case of posterior interosseous nerve (PIN) paralysis in a tennis player. The PIN, a 2 cm section from a bifurcation point of the radial nerve, presented increased stiffness in the surgical findings and treated with free sural nerve grafting after excision of the degenerative portion of the PIN. We speculate that PIN paralysis associated with hourglass-like constriction can be caused and exacerbated by repetitive forearm pronation and supination in playing tennis.
authors.affiliation: Department of Physical Therapy, School of Rehabilitation, Hyogo University of Health Sciences, 1-3-6, Minatojima, Chuo-ku, Kobe 650-8530, Japan.
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Fujioka
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Kenjiro
authors.initials: K
authors.lastname: Tsunemi
authors.affiliation: Department of Surgical Pathology, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Yoshitane
authors.initials: Y
authors.lastname: Tsukamoto
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Takanori
authors.initials: T
authors.lastname: Oi
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Yohei
authors.initials: Y
authors.lastname: Takagi
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Juichi
authors.initials: J
authors.lastname: Tanaka
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, 1-1, Mukogawa-cho, Nishinomiya 663-8501, Japan.
authors.forename: Shinichi
authors.initials: S
authors.lastname: Yoshiya
keywords: Paralysis; Posterior interosseous nerve; Tennis
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