Fig. 6
From: Utility of ultrasound in managing acute medical conditions in space: a scoping review
A Cervical spine transverse view through the cervical C5–6 intervertebral disk. B Lumbar spine transverse view through L3–4 intervertebral disk. The yellow arrow indicates the anterior longitudinal ligament. The white arrow indicates the posterior longitudinal ligament. An abnormality in this location would identify a bulge or herniation. A curvilinear probe was used [27]