Back Flashcards
(44 cards)
Primary curves & exaggeration
thoracic & sacral -> kyphosis
Secondary curves and exageration
Cervical & lumbar -> lordosis
Vertebral body joints
Secondary cartilage IV discs
Uncovertebral joints
C3-C6 uncinate processes
Vertebral arch joints
between Superior and Inferior articular processes
Anterior longitudinal ligament Function
prevents hyperextension
Posterior longitudinal ligament function
prevents hyperflexion & disc herniation
Ligamentum flava function
prevents abrupt flexion & prevents disc injury
Atlanto-occipital joint and ligament function
head flexion & extension, lateral bending
Cruciate ligament
Atlanto-axial joint function
head rotation
limited by alar ligament
vertebral arteries supplying the neck
Vertebral artery
Ascending cervial artery
Vertebral artery in thorax
P. intercostal arteries
Vertebral artery in abdomen
Subcostal artery
Lumbar artery
Vertebral artery in pelvis
Iliolumbar artery
Lateral & medial sacral arteries
Arterial branch to ventral and dorsal roots
Terminal Radicular arteries
Origin of IV discs & vertebral bodies
sclerotomes
Origin of Nucleus Pulposus
notochord
Origin of Neural Arch
Perimeter of Nerual Tube
Origin of Ribs
Body Wall Mesenchyme
Trapezius Innervation
CN XI
C3-C4
Lat Innervation
Thoracodorsal n. C6-C8 from Posterior Chord
Levator Scapulae Innervation
Dorsal Scapular n. C4-C5 from Upper Trunk
Cervical n. C3-C4
Rhomboid Major & Minor Innervation
Dorsal Scapular n. C4-C5 from Upper Trunk
Serratus Posterior Superior Innervation
Intercostal nn. 2-5