Abstract
There are a number of variations in the syndromes affecting the distal portion or major portion of the ulnar nerve. These may be categorized as follows:
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A.
Motor weakness affecting all the ulnar-innervated muscles
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B.
Motor weakness affecting all ulnar-innervated muscles, except those of the hypothenar group
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C.
Involvement giving rise to a pure sensory deficit
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D.
A mixture of motor and sensory deficit
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E.
A mixture of motor and sensory deficit sparing the hypothenar muscle group.
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References and Further Reading
Kaplan, E. B. (1966) Surgical Approaches to the Neck, Cervical Spine and Upper Extremity (W. B. Saunders Publ. Co., Philadelphia).
Packer, N. P. and Fisk, G. R. (1982) Compression of the distal ulnar nerve with clawing of the index finger, The Hand, 14, No. 1, 38–40.
Saw, H. C. and Merican, M. O. (1974) A case of ulnar nerve compression at the wrist. Singapore Medical J. 15, No. 4, 283–286.
Uriburu, I. J. H., Morchio, F. J., and Marin, J. C. (1976) Compression syndrome of the deep motor branch of the ulnar nerve (Piso-Hamate Hiatus Syndrome), J. Bone & Joint Surg. 58-A, No. 1, 145–147.
Vanderpool, D. W., Chalmers, J., Lamb, D. W., and Whitson, T. B. (1968) Peripheral compression lesions of the ulnar nerve, J. Bone & Joint Surg. 50-B, No. 4, 792–803.
Wissinger, H. A. (1975) Resection of the hook of the hamate; its place in the treatment of median and ulnar nerve entrapment, Hand, Plastic & Reconstructive Surg. 56, No. 5, 501–506.
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© 1990 The Humana Press Inc.
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Turner, O.A., Taslitz, N., Ward, S. (1990). Ulnar Nerve (Deep Motor Branch). In: Handbook of Peripheral Nerve Entrapments. Humana Press. https://doi.org/10.1007/978-1-4612-4492-9_11
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DOI: https://doi.org/10.1007/978-1-4612-4492-9_11
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