Functions of the (anterior or posterior) vertebrae include: weight bearing, shock absorpion, allow motions of the spinal column and trunk in all cardinal planes, and protection of anterior aspect of spinal cord.
Functions of the (anterior or posterior) portion of the vertebrae include the following: guides and limits rotation, and elongated processes increase leverage of muscles that attach to spinal column.
_____ _____: forms circle around the spinal cord, forms intervertebral foramen for exiting spinal nerves.
_______: attach the arch to vertebral body: between the body and the transverse process.
_______: posterior portion of arch, between the transverse process and spinous process.
Intervertebral discs are between each pair of vertebral bodies except ___ and ___/
C1 and C2
______ _______ ______: broad, dense, strong ligament that attaches to the anterior vertebral bodies and the annulus fibrosis from C2 to the sacrum.
Anterior Longitudinal Ligament
_______ ________ _______: continuous band of tissue that extends along posterior aspect of vertebral bodies withing vertebral canal from C1 to the sacrum.
Posterior longitudinal ligaments
If facets align with sagittal plane, then primary motions are flexion and extension, which occurs mostly in the ____ spine.
If the facets align with the frontal plane, then primary motion is lateral flexion, which occurs mostly in the _____ spine.
The quadratus lumborum elicits lateral flexion of the trunk on the (same or opposite) and hip hike.
______ ______: acts like a girdle to flattent the abdominal wall and stabilize the lower spine.
_____ ____: unilateral contraction causes trunk rotation to the opposite side and bending to the same side.
bilateral contraction stabilizes trunk to allow hip motion.
_______ _______: unilateral contraction causes lateral flexion and rotation to the same side. Bilateral contraction causes flexion of the trunk.
What bones compose the acetabulum?
ilium, ischium, and pubis
_________: part of the pelvis where the ilium, ischium, and pubis intersect; socket of the hip joint into which the head of the femur sits.
Which three ligaments in the hip work together to limit extension and hyperextension?
iliofemoral, ischiofemoral, and pubofemoral ligament