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Suprascapular neuropathy in volleyball players

Erik Witvrouw UGent, Ann Cools UGent, R Lysens, Dirk Cambier UGent, Guy Vanderstraeten UGent, Jan Victor UGent, C Sneyers and M Walravens (2000) BRITISH JOURNAL OF SPORTS MEDICINE. 34(3). p.174-180
abstract
References: 43 [ view related records ] Citation Map Abstract: Background-Suprascapular nerve entrapment with isolated paralysis of the infraspinatus muscle is uncommon. However, this pathology has been reported in volleyball players. Despite a lack of scientific evidence, excessive strain on the nerve is often cited as a possible cause of this syndrome. Previous research has shown a close association between shoulder range of motion and strain on the suprascapular nerve. No clinical studies have so far been designed to examine the association between excessive shoulder mobility and the presence of this pathology. Aim-To study the possible association between the range of motion of the shoulder joint and the presence of suprascapular neuropathy by clinically examining the Belgian male volleyball team with respect to several parameters. Methods-An electromyographic investigation, a clinical shoulder examination, shoulder range of motion measurements, and an isokinetic concentric peak torque shoulder internal/external rotation strength test were performed in 16 professional players. Results-The electrodiagnostic study showed a severe suprascapular neuropathy in four players which affected only the infraspinatus muscle. In each of these four players, suprascapular nerve entrapment was present on the dominant side. Except for the hypotrophy of the infraspinatus muscle, no significant differences between the affected and non-affected players were observed on clinical examination. Significant differences between the affected and non-affected players were found for range of motion measurements of external rotation, horizontal flexion and forward flexion, and for flexion of the shoulder girdle (protraction); all were found to be higher in the affected players than the non-affected players. Conclusions-This study suggests an association between increased range of motion of the shoulder joint and the presence of isolated paralysis of the infraspinatus muscle in volleyball players. However, the small number of patients in this study prevents definite conclusions from being drawn.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
IMPINGEMENT, INSTABILITY, RELIABILITY, NERVE ENTRAPMENT, INFRASPINATUS ATROPHY, GONIOMETRIC MEASUREMENTS, shoulder mobility, volleyball, suprascapular neuropathy, infraspinatus muscle, VALIDITY, STRENGTH, LESION, NOTCH
journal title
BRITISH JOURNAL OF SPORTS MEDICINE
Br. J. Sports Med.
volume
34
issue
3
pages
174 - 180
Web of Science type
Article
Web of Science id
000087415000008
ISSN
0306-3674
DOI
10.1136/bjsm.34.3.174
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
128661
handle
http://hdl.handle.net/1854/LU-128661
date created
2004-01-14 13:36:00
date last changed
2015-06-17 09:38:07
@article{128661,
  abstract     = {References: 43 [ view related records ]     Citation Map      
Abstract: Background-Suprascapular nerve entrapment with isolated paralysis of the infraspinatus muscle is uncommon. However, this pathology has been reported in volleyball players. Despite a lack of scientific evidence, excessive strain on the nerve is often cited as a possible cause of this syndrome. Previous research has shown a close association between shoulder range of motion and strain on the suprascapular nerve. No clinical studies have so far been designed to examine the association between excessive shoulder mobility and the presence of this pathology. 
Aim-To study the possible association between the range of motion of the shoulder joint and the presence of suprascapular neuropathy by clinically examining the Belgian male volleyball team with respect to several parameters. 
Methods-An electromyographic investigation, a clinical shoulder examination, shoulder range of motion measurements, and an isokinetic concentric peak torque shoulder internal/external rotation strength test were performed in 16 professional players. 
Results-The electrodiagnostic study showed a severe suprascapular neuropathy in four players which affected only the infraspinatus muscle. In each of these four players, suprascapular nerve entrapment was present on the dominant side. Except for the hypotrophy of the infraspinatus muscle, no significant differences between the affected and non-affected players were observed on clinical examination. Significant differences between the affected and non-affected players were found for range of motion measurements of external rotation, horizontal flexion and forward flexion, and for flexion of the shoulder girdle (protraction); all were found to be higher in the affected players than the non-affected players. 
Conclusions-This study suggests an association between increased range of motion of the shoulder joint and the presence of isolated paralysis of the infraspinatus muscle in volleyball players. However, the small number of patients in this study prevents definite conclusions from being drawn.},
  author       = {Witvrouw, Erik and Cools, Ann and Lysens, R and Cambier, Dirk and Vanderstraeten, Guy and Victor, Jan and Sneyers, C and Walravens, M},
  issn         = {0306-3674},
  journal      = {BRITISH JOURNAL OF SPORTS MEDICINE},
  keyword      = {IMPINGEMENT,INSTABILITY,RELIABILITY,NERVE ENTRAPMENT,INFRASPINATUS ATROPHY,GONIOMETRIC MEASUREMENTS,shoulder mobility,volleyball,suprascapular neuropathy,infraspinatus muscle,VALIDITY,STRENGTH,LESION,NOTCH},
  language     = {eng},
  number       = {3},
  pages        = {174--180},
  title        = {Suprascapular neuropathy in volleyball players},
  url          = {http://dx.doi.org/10.1136/bjsm.34.3.174},
  volume       = {34},
  year         = {2000},
}

Chicago
Witvrouw, Erik, Ann Cools, R Lysens, Dirk Cambier, Guy Vanderstraeten, Jan Victor, C Sneyers, and M Walravens. 2000. “Suprascapular Neuropathy in Volleyball Players.” British Journal of Sports Medicine 34 (3): 174–180.
APA
Witvrouw, E., Cools, A., Lysens, R., Cambier, D., Vanderstraeten, G., Victor, J., Sneyers, C., et al. (2000). Suprascapular neuropathy in volleyball players. BRITISH JOURNAL OF SPORTS MEDICINE, 34(3), 174–180.
Vancouver
1.
Witvrouw E, Cools A, Lysens R, Cambier D, Vanderstraeten G, Victor J, et al. Suprascapular neuropathy in volleyball players. BRITISH JOURNAL OF SPORTS MEDICINE. 2000;34(3):174–80.
MLA
Witvrouw, Erik, Ann Cools, R Lysens, et al. “Suprascapular Neuropathy in Volleyball Players.” BRITISH JOURNAL OF SPORTS MEDICINE 34.3 (2000): 174–180. Print.