Document Detail

Comparison of Different Neural Mobilization Exercises Upon Longitudinal Sciatic Nerve Movement: An In-Vivo Study Utilizing Ultrasound Imaging.
MedLine Citation:
PMID:  22711174     Owner:  NLM     Status:  Publisher    
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:"; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} STUDY DESIGN: Controlled laboratory study using a single-group, within-subject comparison. OBJECTIVES: To determine whether different types of neural mobilization exercises are associated with differing amounts of longitudinal sciatic nerve excursion measured in-vivo at the posterior mid-thigh region. BACKGROUND: Recent research, focused on the upper limb of healthy subjects, has shown that nerve excursion differs significantly between different types of neural mobilization exercises. This has not been examined for the lower limb. It is important to initially examine the influence of neural mobilization upon peripheral nerve excursion impairments in healthy people to identify peripheral nerve excursion in conditions where nerve excursion may be compromised. METHODS: High-resolution ultrasound was used to assess sciatic nerve excursion at the posterior mid-thigh region. Four different neural mobilization exercises were performed in 31 healthy participants. These neural mobilization exercises used combinations of knee extension and cervical spine flexion and extension. Frame-by-frame cross-correlation analysis of the ultrasound images was used to calculate nerve excursion. A repeated-measures analysis of variance and isolated means comparisons were used for data analysis. RESULTS: Different neural mobilization exercises induced significantly different amounts of sciatic nerve excursion at the posterior mid-thigh region (P<0.001). The slider, consisting of the participant performing simultaneous cervical spine and knee extension, resulted in the largest amount of sciatic nerve excursion (mean±SD, 3.2±2.0mm). The amount of excursion with the slider exercise was slightly greater than for the tensioner (simultaneous cervical spine flexion and knee extension) exercise (2.6±1.5mm; P=0.002) and the single-joint neck flexion exercise resulted in the least amount of sciatic nerve excursion at the posterior mid-thigh (-0.1±0.1mm), which was significantly smaller than the other 3 exercises (P=0.000001). CONCLUSION: These findings are consistent with the results of previous research which has examined median nerve excursion associated with different neural mobilization exercises. Appreciation of such excursion provides support for theoretical perspectives of nerve motion associated with cervical spine and extremity movement being generalizable to the lower limb. J Orthop Sports Phys Ther, Epub 18 June 2012. doi:10.2519/jospt.2012.3854.
Richard F Ellis; Wayne A Hing; Peter J McNair
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-6-18
Journal Detail:
Title:  The Journal of orthopaedic and sports physical therapy     Volume:  -     ISSN:  1938-1344     ISO Abbreviation:  -     Publication Date:  2012 Jun 
Date Detail:
Created Date:  2012-6-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7908150     Medline TA:  J Orthop Sports Phys Ther     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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