Changes in lumbopelvic rhythm during trunk extension in adolescent soccer players

Michio Tojima, Suguru Torii

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Many adolescent athletes experience low back pain (LBP). Its causative factors include lower limb muscle tightness and hip–spine incoordination. Hip–spine coordination [or lumbopelvic rhythm, LPR] can be used to assess lower-limb and spine functions. We assessed the presence/absence of LBP in adolescent soccer players before and after a six-month period and divided them into four groups: no LBP both before and after the period (NBP group); LBP before but not after (PN group); LBP after but not before (NP group); and LBP both before and after (LBP group). We used a 3D motion analysis system during trunk extension to measure the lumbar spine and hip ranges of motion (ROMs). On comparing the results obtained before and after the six-month period, lumbar spine ROM decreased in the NP group, hip ROM increased in the LBP group. From before to after the period, the linear prediction indicated that, when the hip extends by 1°, the lumbar spine extends by 3.5°–3.2° for the PN group and by 3.4°–2.8° for the NP group. The NP group extended their lumbar spine excessively compared with the hip before the period, which could cause LBP, but decreased the extension after the period. Lumbar extension relative to hip extension decreased in the PN group, which could decrease excessive load on the lumbar spine and eliminate LBP. These findings suggest that to prevent LBP in adolescent soccer players, it is important to restrict lumbar spine extension relative to hip extension.

Original languageEnglish
Pages (from-to)72-75
Number of pages4
JournalGait and Posture
Volume52
DOIs
Publication statusPublished - 2017 Feb 1

Fingerprint

Soccer
Low Back Pain
Spine
Hip
Articular Range of Motion
Lower Extremity
Muscle Tonus
Ataxia
Athletes

Keywords

  • Adolescent soccer player
  • Hip
  • Low-back pain
  • Lumbar spine
  • Lumbopelvic rhythm
  • Trunk extension

ASJC Scopus subject areas

  • Biophysics
  • Orthopedics and Sports Medicine
  • Rehabilitation

Cite this

Changes in lumbopelvic rhythm during trunk extension in adolescent soccer players. / Tojima, Michio; Torii, Suguru.

In: Gait and Posture, Vol. 52, 01.02.2017, p. 72-75.

Research output: Contribution to journalArticle

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