- April 28, 2026The ligamentum nuchae is the expanded supraspinous ligament equivalent of the cervical spine, forming a broad fibrous septum between the…
- April 28, 2026The cervical facet joint capsules are larger and more lax than thoracic or lumbar facet capsules, reflecting the greater cervical…
- April 28, 2026The cervical supraspinous ligament connects the spinous process tips from C7 caudally, merging with the nuchal ligament superiorly. It is…
- April 28, 2026The cervical ligamentum flavum has the highest elastin content of any spinal ligament — nearly 80% elastin — maintaining tension…
- April 28, 2026The longus capitis connects the upper cervical transverse processes to the occipital bone, producing the nodding flexion at the cranio-cervical…
- April 28, 2026The longus colli is the primary deep cervical flexor, lying directly on the anterior vertebral bodies. It is assessed by…
- April 28, 2026The transverse cervical artery crosses the posterior triangle to supply the trapezius (superficial branch) and the dorsal scapular muscles (deep…
- April 28, 2026The deep cervical artery supplies the deep posterior cervical muscles (semispinalis capitis and cervicis, splenius, multifidus). Its anastomosis with the…
- April 28, 2026The ascending cervical artery supplies the anterior cervical muscle group including the scalenes and longus colli, with spinal branches contributing…
- April 28, 2026The paired lateral atlantoaxial joints allow the 45 degrees of rotation each side that occurs at the C1-C2 level, producing…