ReviewJournal of orthopaedics2018
Association between reduced trunk flexibility in children and lumbar stress fractures.
Review in Journal of orthopaedics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 18 citations in OpenAlex.
- Pooled it
- Lumbar facet angle tropism and hand and foot dominance in patients with isthmic spondylolysis.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2025Article
- Association between low back pain and limited lower-extremity flexibility in elementary school-aged softball players: a cross-sectional study.BMC sports science, medicine & rehabilitation · 2025Article
- Fifth Lumbar Vertebral Shape in Early-Stage Lumbar Spondylolysis: Three-Dimensional Bone Morphology Analysis Using Homologous Models.Spine surgery and related research · 2025Article
- Age-Related Differences in the Limited Range of Motion of the Lower Extremity and Their Relation to Low Back Pain in Young Baseball Players: A Cross-Sectional Study of 1215 Players.Sports medicine - open · 2023Article
- Physical Function in Amateur Athletes with Lumbar Disc Herniation and Chronic Low Back Pain: A Case-Control Study.International journal of environmental research and public health · 2022Article
Corrections and comments
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundWe noticed that most of active sports children with low back pain (LBP) have muscle tightness around the pelvis and reduced trunk flexibility. Abnormalities in short-time inversion recovery (STIR) images on magnetic resonance imaging (MRI) can show stress fracture. Therefore, we investigated the associations among LBP, trunk flexibility, and lumbar stress fractures.
methodsA total of 130 patients under the age of 18 years complained of LBP were investigated in STIR MRI images. Among these 130 patients, 65 cases of lumbar stress fracture were diagnosed and 65 cases were not diagnosed as a lumbar stress fracture. We compared between a group suspected of stress fracture (suspected group) and a group of stress fracture(stress fracture group)about their trunk flexibility. These groups were investigated about their initial trunk flexibility about below items; Finger floor distance (FFD), Heel to buttock distance (HBD), straight leg raising (SLR).
resultsSignificant differences were observed between suspected group and stress fracture group about every items; SLR (P < 0.001), FFD (P < 0.01), HBD (P < 0.002). Most cases of stress fracture group had reduced trunk flexibility, and low flexibility in pelvic area muscles was observed in 93.8% (61/65) of cases at the initial examination. Otherwise, that of suspected group was 73.8%(48/65).
conclusionsMost patients of lumbar stress fracture had reduced trunk flexibility, and their reduced trunk flexibility might not be caused by LBP. In the early diagnosis of lumbar stress fractures using STIR MRI images, there were indicated that reduced trunk flexibility was one of helpful item for lumbar stress fracture.
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Registered trials
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