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Figure 1 | BMC Anesthesiology

Figure 1

From: Abdominal circumference but not the degree of lumbar flexion affects the accuracy of lumbar interspace identification by Tuffier’s line palpation method: an observational study

Figure 1

A lumbar spine X-ray in the hyperflexion position. The vertebrae from L2 to S are indicated. The solid arrow shows the radio-opaque marker where the highest point of the iliac crests was identified by palpation. The hollow arrow represents the spinous interspace identified by an anesthesiologist (the L2-L3 spinous process interspace in this film).

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