Fracture of the posterior margin of a lumbar vertebral body.

Takata, Ken; Inoue, Sachie; Takahashi, Kazuto; Ohtsuka, Yukio

doi:10.2106/00004623-198870040-00016

Cited by 136 publications

(108 citation statements)

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“…Others suggest that the relative weakness of the anterior and posterior osteocartilaginous junction and penetration of the collagen fibers of the annulus fibrosus through the cartilage of the limbus explain how disc herniation can tear the apophyseal ring [ 1,9]. If this is correct, the location of the fracture would be determined more by the location of this "weak point" than by the position of the spine in flexion or extension, as previously reported [3,9,11 ]. It should be noted that among the different publications about limbus fractures, there have been no biomechanical studies to explain or reproduce this type of lesion.…”

Section: Pathophysiologymentioning

confidence: 81%

“…L5 was affected most often in the cases reported by Savini et al (five cases out of nine) [9]. S1 and the cervical spine have also been reported as locations of these lesions [6,11].…”

Section: Location Of the Fracturementioning

confidence: 83%

“…In the study by Takata et al [11], all of the type-I fractures occurred in children who were less than 13 years old (eight cases); type-II fractures occurred in somewhat older children (five cases). The age at onset of symptoms in patients who had a type-III fracture ranged from 15 to 36 years (ten cases).…”

Section: Age and Typementioning

confidence: 92%

“…Such fractures are best described by the Takata and Epstein classifications [6,11]. Using this system, our case was classified as type II.…”

Section: Classificationmentioning

confidence: 98%

“…Strenuous sports activity and acute trauma have been reported to be important mechanisms for this injury [3,11]. On the other hand several cases with no history of trauma have been described [6,9,10], and in some cases the fracture was preceded only by lifting [1,9].…”

Section: Pathophysiologymentioning

confidence: 99%

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Fracture of the vertebral limbus

et al. 1997

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A b s t r a c t An 18-year-old young man suffering from fracture of the limbus of L4 was admitted to the emergency ward after a car collision, Radiological evidence of the lesion was visible on plain film radiographs and CT scans. On surgery the posterior column was found to be intact. Treatment included a wide laminectomy, excision of the fragment, and osteosynthesis with Cotrel-Dubousset instrumentation. The characteristics of these lesions are reviewed on the basis of the latest reports. The possibility of misreading these fractures is emphasized, especially in traumatic adult spine surgery.

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Section: Pathophysiologymentioning

confidence: 81%

“…L5 was affected most often in the cases reported by Savini et al (five cases out of nine) [9]. S1 and the cervical spine have also been reported as locations of these lesions [6,11].…”

Section: Location Of the Fracturementioning

confidence: 83%

Section: Age and Typementioning

confidence: 92%

“…Such fractures are best described by the Takata and Epstein classifications [6,11]. Using this system, our case was classified as type II.…”

Section: Classificationmentioning

confidence: 98%

Section: Pathophysiologymentioning

confidence: 99%

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Fracture of the vertebral limbus

et al. 1997

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Increased lumbar spinal column laxity due to low‐angle, low‐load cyclic flexion may predispose to acute injury

et al. 2018

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Lumbar spinal column laxity contributes to instability, increasing the risk of low back injury and pain. Until the laxity increase due to the cyclic loads of daily living can be quantified, the associated injury risk cannot be predicted clinically. This work cyclically loaded 5‐vertebra lumbar motion segments (7 skeletally‐mature cervine specimens, 5 osteoporotic human cadaver specimens) for 20 000 cycles of low‐load low‐angle (15°) flexion. The normalized neutral zone lengths and slopes of the load‐displacement hysteresis loops showed a similar increase in spinal column laxity across species. The intervertebral kinematics also changes with cyclic loading. Differences in the location and magnitude of surface strain on the vertebral bodies (0.34% ± 0.11% in the cervine specimens, and 3.13% ± 1.69% in the human cadaver specimens) are consistent with expected fracture modes in these populations. Together, these results provide biomechanical evidence of spinal column damage during high‐cycle low‐load low‐angle loading.

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Spine

2000

Skeletal Injury in the Child

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Fracture of the posterior margin of a lumbar vertebral body.

Cited by 136 publications

References 0 publications

Fracture of the vertebral limbus

Fracture of the vertebral limbus

Increased lumbar spinal column laxity due to low‐angle, low‐load cyclic flexion may predispose to acute injury

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