Position of the major curve influences asymmetrical trunk kinematics during gait in adolescent idiopathic scoliosis

Mitsuhiro Nishida, Takeo Nagura, Nobuyuki Fujita, Naobumi Hosogane, Takashi Tsuji, Masaya Nakamura, Morio Matsumoto, Kota Watanabe

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Background and purpose Adolescent idiopathic scoliosis (AIS) is a structural, lateral curvature with rotation of the spine that develops around puberty. The influence of this spinal deformity on three-dimensional trunk movements during gait has not yet been elucidated. The aim of this study was to determine the influence of spinal curve pattern (single thoracic curve vs. single lumbar curve) on trunk kinematics during gait. Methods Twenty-two patients with a single thoracic curve (Lenke type 1) and 17 patients with a single lumbar curve (Lenke type 5) were included in this study. Trunk symmetry in the sagittal, coronal, and transverse planes during gait was evaluated using an optoelectronic motion capture system. Results In the type 1 group, the trunk was significantly rotated towards the concave side in the transverse plane during gait (mean difference of transverse rotation angle between concave side load and the convex side load, 8.8 ± 0.6°, p < 0.01). In the type 5 group, the trunk was significantly rotated towards the convex side in the coronal plane throughout the stance phase of gait (mean difference of coronal inclination angle, 1.9 ± 0.3°, p < 0.05). Conclusions The AIS patients with a single thoracic curve showed asymmetrical trunk movement in the transverse plane, and patients with a single lumbar curve showed asymmetrical trunk movement in the coronal plane. These results indicate that the spinal curve pattern influenced trunk kinematics, and suggest that the global postural control strategy of patients with AIS differs according to the curve pattern.

Original languageEnglish
Pages (from-to)142-148
Number of pages7
JournalGait and Posture
Volume51
DOIs
Publication statusPublished - 01-01-2017
Externally publishedYes

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Scoliosis
Gait
Biomechanical Phenomena
Thorax
Puberty
Spine

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Orthopedics and Sports Medicine
  • Rehabilitation

Cite this

Nishida, Mitsuhiro ; Nagura, Takeo ; Fujita, Nobuyuki ; Hosogane, Naobumi ; Tsuji, Takashi ; Nakamura, Masaya ; Matsumoto, Morio ; Watanabe, Kota. / Position of the major curve influences asymmetrical trunk kinematics during gait in adolescent idiopathic scoliosis. In: Gait and Posture. 2017 ; Vol. 51. pp. 142-148.
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Position of the major curve influences asymmetrical trunk kinematics during gait in adolescent idiopathic scoliosis. / Nishida, Mitsuhiro; Nagura, Takeo; Fujita, Nobuyuki; Hosogane, Naobumi; Tsuji, Takashi; Nakamura, Masaya; Matsumoto, Morio; Watanabe, Kota.

In: Gait and Posture, Vol. 51, 01.01.2017, p. 142-148.

Research output: Contribution to journalArticle

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AU - Nagura, Takeo

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AU - Tsuji, Takashi

AU - Nakamura, Masaya

AU - Matsumoto, Morio

AU - Watanabe, Kota

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N2 - Background and purpose Adolescent idiopathic scoliosis (AIS) is a structural, lateral curvature with rotation of the spine that develops around puberty. The influence of this spinal deformity on three-dimensional trunk movements during gait has not yet been elucidated. The aim of this study was to determine the influence of spinal curve pattern (single thoracic curve vs. single lumbar curve) on trunk kinematics during gait. Methods Twenty-two patients with a single thoracic curve (Lenke type 1) and 17 patients with a single lumbar curve (Lenke type 5) were included in this study. Trunk symmetry in the sagittal, coronal, and transverse planes during gait was evaluated using an optoelectronic motion capture system. Results In the type 1 group, the trunk was significantly rotated towards the concave side in the transverse plane during gait (mean difference of transverse rotation angle between concave side load and the convex side load, 8.8 ± 0.6°, p < 0.01). In the type 5 group, the trunk was significantly rotated towards the convex side in the coronal plane throughout the stance phase of gait (mean difference of coronal inclination angle, 1.9 ± 0.3°, p < 0.05). Conclusions The AIS patients with a single thoracic curve showed asymmetrical trunk movement in the transverse plane, and patients with a single lumbar curve showed asymmetrical trunk movement in the coronal plane. These results indicate that the spinal curve pattern influenced trunk kinematics, and suggest that the global postural control strategy of patients with AIS differs according to the curve pattern.

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