torso Flashcards
The vertebral column sections
- Cerivical (7)
- thoracic (12)
- Lumbar (5)
what do the curvatures of the spine do
- absorb shock
- maintain balance
keeps head over pelvis
what do the cervical vertebrae do/actions
- support head
- flexion/extention
- rotations
what is the atlantoaxial joint
joint between C1 and C2 that produces transverse plane movement (rotation)
what is the nuchal ligament
ligament from C7 to occipital bone that stabilizes the head
what do the thoracic vertebrae do
- provide points of attachment for ribcage
- allows for rotation
what is thoracic kyphosis
abnormal curvature of the thoracic vertebrae
what do the lumbar vertebrae do
- bears weight of body
- flexes and extends in saggital plane
what is lumbar lordosis
extreme curvature of the lumbar region of spine
what does the sacrum do
- connects spine to pelvis
- has weight bearing bones
what is the thoracolumbar fascia
deep membrane that covers back of the trunk
what the primary function of the back muscles
- stablize
- extension
what is the pelvic floor
three layers of 26 muscles that support spine, pelvis, core and pelvic floor organs
why is a healthy back important
- stabilizes the torso
- transfers energy from ground to upper body
- keeps back, hip and shoulder joints healthy
- provodes assistance with breathing
what are the 10 muscles of the neck
- digastric
- levator scapulae
- spelnius captius
- geniohyoid
- mylohyoid
- omohyoid
- stylohyoid
- sternohyoid
- sternothyroid
- thyrohyoid
