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Work. 2014;49(1):5-14. doi: 10.3233/WOR-131764.

Normative median and ulnar nerve conduction values among a rural aged population.

Author information

1
Department of Physical Therapy, Eastern Washington University, Spokane, WA, USA.
2
Department of Occupational and Environmental Health, College of Public Health, The University of Iowa, Iowa City, IA, USA.
3
Department of Environmental and Radiological Health Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, CO, USA.

Abstract

BACKGROUND:

Carpal tunnel syndrome (CTS) is commonly diagnosed with a combination of characteristic symptoms and nerve conduction studies (NCS) across the wrist. Normative NCS values exist, but there is minimal data among older individuals or among rural populations.

OBJECTIVE:

To estimate distal median and ulnar sensory, and median motor latencies across the wrist in an older, rural population.

METHODS:

Hand symptom questionnaires and three standard NCS were obtained from 1085 participants. Univariate and multiple linear regression analyses were conducted.

RESULTS:

Normative NCS values are presented from participants (mean age 57 years) who reported either no CTS symptoms or possible CTS symptoms. Covariates associated with NCS included age, hand temperature, body mass index, and height.

CONCLUSIONS:

This large normative NCS data set can be generalized to an older and rural population. Nerve conduction latencies were generally longer in this population than those reported in previous studies.

KEYWORDS:

Rural; carpal tunnel syndrome; ergonomics; nerve conduction; normal data

PMID:
24284658
DOI:
10.3233/WOR-131764
[Indexed for MEDLINE]

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