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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 58 - 58
1 Jul 2014
Barrios C Zena V de Blas G García-Casado J Cabañes L Catalán B Burgos J Noriega D Saiz J
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Summary Statement

Patients with adolescent idiopathic scoliosis show clear signs of abnormal motor coordination between the long superficial paraspinal muscles and the deep rotators. These findings suggest an abnormal behavior of the deep rotator muscles at the concave side.

Introduction

An imbalance between the myoelectric activity of the muscles of the convexity and the concavity has been described in patients with adolescent idiopathic scoliosis (AIS). These findings are based on EMG patterns recorded with surface electrodes that do not distinguish between deep and superficial muscles. This work was aimed at analyzing the coupled behavior of the superficial and deep paraspinal muscles in subjects with AIS at both sides of the curve.