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Effect of positioning and bracing on passive position sense of shoulder joint
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  1. B Ulkar1,
  2. B Kunduracioglu1,
  3. C Çetin2,
  4. R S Güner1
  1. 1Department of Sports Medicine, Ankara University School of Medicine, Ankara, Turkey
  2. 2Department of Sports Medicine, Suleyman Demirel University Medical School, Isparta, Turkey
  1. Correspondence to:
 Assistant Professor Ulkar
 Ankara University Medical School, Sports Medicine, Ankara 06590, Turkey; ulkar{at}medicine.ankara.edu.tr

Abstract

Objective: To examine the effects of positioning and sleeve type bracing on passive position sense of shoulder joints of healthy untrained subjects.

Method: A cross over study was carried out on 26 subjects (13 male, 13 female) with a proprioception measurement device. The selected method of testing was passive reproduction of a target angle. Both shoulder joints of all the subjects were evaluated with and without a compressive neoprene sleeve type of brace at two different start positions (45° internal rotation, 75° external rotation) with an angular rotational movement at a constant speed of 0.5°/s. The angular displacements from the target angles at the end of the reproduction tests were recorded as position sense deficit scores.

Results: The overall mean (SD) deficit score (0.99 (0.06)) was significantly (p<0.001) lower with the brace than without, and the overall mean deficit score was significantly (p<0.001) higher at the 45° internal rotation start position than at the 75° external rotation start position. However, there was no significant (p>0.05) interaction between brace application and start position.

Conclusion: Terminal limits of range of motion facilitate the position sense of shoulder joints. Compressive brace application improves the passive positioning sense possibly by stimulating cutaneous mechanoreceptors.

  • proprioception
  • shoulder
  • neoprene sleeve
  • position sense

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