Knee pain is associated with lower back pain in young baseball players: a cross-sectional study

Yutaka Yabe, Yoshihiro Hagiwara, Takuya Sekiguchi, Haruki Momma, Masahiro Tsuchiya, Kaoru Kuroki, Kenji Kanazawa, Masashi Koide, Nobuyuki Itaya, Shinichirou Yoshida, Yasuhito Sogi, Toshihisa Yano, Eiji Itoi, Ryoichi Nagatomi

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Purpose: Considerable research has focused on shoulder and elbow injuries among baseball players; however, although lumbar spine and knee injuries are commonly experienced, they are less frequently studied. During common motions in baseball, such as throwing, hitting, and running, energy is transferred from the lower extremities through the lower back to the upper body. Lower extremity pain, as well as lower back pain (LBP), can disrupt the kinematic chain, and it is important to understand the association between lower extremity complaints and LBP. The purpose of this study was to elucidate the association between knee pain and LBP among young baseball players. Methods: A cross-sectional study was conducted with young baseball players (aged 6–15 years, n = 1,609) using a self-reported questionnaire. Multivariate logistic regression models were used for analyses. Variables considered in the models were sex, age, body mass index, team levels, number of days of training per week, number of hours in practice per day on weekdays and weekend, frequency of participation in games, practice intensity, and player position. Results: The point prevalence of LBP and knee pain was 8.4% and 13.1%, respectively. Knee pain was significantly associated with LBP. Using the absence of knee pain as a reference, the adjusted odds ratio (95% confidence interval) for LBP was 5.83 (3.93–8.65) (p < 0.001) in the presence of knee pain. Conclusions: Knee pain was associated with LBP among young baseball players. Clinicians should pay attention to knee complaints to prevent and treat LBP among young baseball players. Level of evidence: III.

Original languageEnglish
Pages (from-to)985-990
Number of pages6
JournalKnee Surgery, Sports Traumatology, Arthroscopy
Volume27
Issue number3
DOIs
Publication statusPublished - 2019 Mar 14

Keywords

  • Baseball
  • Knee pain
  • Lower back pain
  • Sports
  • Young athletes

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine

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