The effect of low back pain and lower limb injury on lumbar multifidus muscle morphology and function in university soccer players

Autor: Neil Nandlall, Hassan Rivaz, Amanda Rizk, Stephane Frenette, Mathieu Boily, Maryse Fortin
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: BMC Musculoskeletal Disorders, Vol 21, Iss 1, Pp 1-10 (2020)
Druh dokumentu: article
ISSN: 1471-2474
DOI: 10.1186/s12891-020-3119-6
Popis: Abstract Background The lumbar multifidus muscle (LMM) plays a critical role to stabilize the spine. While low back pain (LBP) is a common complaint in soccer players, few studies have examined LMM characteristics in this athletic population and their possible associations with LBP and lower limb injury. Therefore, the purpose of this study was to 1) investigate LMM characteristics in university soccer players and their potential association with LBP and lower limb injury; 2) examine the relationship between LMM characteristics and body composition measurements; and 3) examine seasonal changes in LMM characteristics. Methods LMM ultrasound assessments were acquired in 27 soccer players (12 females, 15 males) from Concordia University during the preseason and assessments were repeated in 18 players at the end of the season. LMM cross-sectional area (CSA), echo-intensity and thickness at rest and during contraction (e.g. function) were assessed bilaterally in prone and standing positions, at the L5-S1 spinal level. A self-reported questionnaire was used to assess the history of LBP and lower limb injury. Dual-energy x-ray absorptiometry (DEXA) was used to acquire body composition measurements. Results Side-to-side asymmetry of the LMM was significantly greater in males (p = 0.02). LMM thickness when contracted in the prone position (p = 0.04) and LMM CSA in standing (p = 0.02) were also significantly greater on the left side in male players. The LMM % thickness change during contraction in the prone position was significantly greater in players who reported having LBP in the previous 3-months (p
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