An investigation into normative responses for the upper limb neurodynamic test with radial nerve bias
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Authors
McLaren, Nicola
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Degree
Master of Osteopathy
Grantor
Unitec Institute of Technology
Date
2013
Supervisors
Bacon, Catherine
Type
Masters Thesis
Ngā Upoko Tukutuku (Māori subject headings)
Keyword
upper limb neurodynamic techniques (ULNT)
radial nerve bias
normative responses
neural mechanosensitivity
radial nerve bias
normative responses
neural mechanosensitivity
ANZSRC Field of Research Code (2020)
Citation
McLaren, N. (2013). An investigation into normative responses for the upper limb neurodynamic test with radial nerve bias. An unpublished research project submitted in partial fulfilment of the requirements for the degree of Master of Osteopathy, Unitec Institute of Technology.
Abstract
This study assessed the normative responses to the upper limb neurodynamic test with radial nerve bias (ULNT2b) without the use of subject fixation and stabilisation devices, on 100 asymptomatic participants recruited from the local community. Range of motion shoulder abduction measurements were taken in a neutral limb position and in the ULNT2b test position, sensory responses evoked by the ULNT2b were recorded.
The ULNT2b was found to repeatedly elicit the sensory responses of stretching in the lateral forearm (62 %) and posterior wrist (24 %). Significantly less glenohumeral abduction was seen in the ULNT2b test position (T-ROM; 62.2° ± 16.5°) than in the pre-test neutral limb position (P-ROM; 77.9° ± 13.2°) (mean difference = 15.7o ± 13.2, p < 0.001 at 95 % confidence). Participant characteristics did not influence observed responses, suggesting that the ULNT2b has scope for use on diverse clinical practice populations. The results of this study can be used to enhance understanding of normative responses to the ULNT2b against which responses elicited in a clinical setting can be compared.
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