test 1 Flashcards
Name me all the muscles that attach to the nuchal ligament
Trapezius, Rhomboid Minor, Splenius Capitis, Spinalis Capitis
What muscles do UPWARD ROTATION of the scapula?
Upper and Lower Trapezius, Serratus Anterior
What muscles do DOWNWARD ROTATION of the scapula?
Levator Scapulae, Rhomboid Major/ Minor
Name the parts of the Suboccipital Triangle
Superomedial boundary- Rectus Capitis Posterior Major
Superolateral boundary- Oblique Capitis Superior
Inferolateral boundary- Oblique Capitis Inferior
Floor- Posterior OA membrane and posterior arch of vertebra C1
Roof- Semispinalis Capitis
Contents- Vertebral Artery and Suboccipital nerve (C1)
C1 Atlas
Nods Head
Connected by the OA joint
Be able to name what the Cruciate ligament and the Alar ligament is
Cruciate ligament- superior longitudinal band, inferior longitudinal band, transverse ligament of atlas
C2 Axis
Shakes head
Contains the Odontoid Process or Dens- pivot for the heads rotation
AA Joint
Which vertebrae does not have a bifid process?
C7
Name the differences between the vertebrae in terms of their facets
Cervical- face at a 45 degree angle upwards, contains transverse foramen
Thoracic- face backwards (frontal plane), spinous process is longer, contains the costal facets which is where the rib articulates with the spine
Lumbar- face inwards, large vertebral body
Name the parts of the Intervertebral Discs (include ligaments of the spine)
Anulus Fibrosus, Nucleus pulposus
Anterior Longitudinal Ligament
Posterior Longitudinal Ligament
A broken back is a fracture at the where? What are the three conditions?
Pars Interarticularis
Spondylosis- degeneration
Spondylolysis- fracture without separation
Spondylolisthesis- fracture with separation
What are myotomes?
the muscles supplied by an individual spinal nerve
For ex. Shoulder flexion C5
Elbow flexion C6
Wrist Flexion C7
Finger Flexion C8
Finger Abduction T1
What are dermatomes?
Areas of skin supplied by an individual spinal nerve
At what spinal levels does the spinal cord end (also called what)?
L1 and L2 which is where it becomes the Cauda Equina or Horse Tail
Called the conus medullaris
At what spinal level does the spinal dural sac (thecal sac) end?
S2
What is the filum terminale?
Fibrous extension of the spinal cord from the Conus medullaris connecting it to the coccyx
What are the different spinal meninges from superficial to deep?
Epidural space
Dura Mater
Subdural space
Arachnoid Mater
Subarachnoid space (CSF)
Pia Mater
What is the ligamentum flavum?
A series of ligaments that connects the ventral parts of the lamina to adjacent vertebrae
What movements does the PLL and ALL prevent?
PLL prevents hyperflexion
ALL prevents hyperextension
What movement does the nuchal ligament prevent?
hyperflexion of the neck
What does the Supraspinous and Interspinous ligaments connect? What movement does it resist?
Spinous Processes, hyperflexion of vertebral column
What are the muscles of the suprahyoids?
mylohyoids
digastric
stylohyoid
geniohyoid
What are the muscles of the infrahyoids?
Thyrohyoids
Omohyoid
Sternohyoid
Sternothyroid
What are the boundaries of the Anterior cervical triangle?
Anterior- middle line of the neck
Posterior- the anterior border of the SCM
Superior- boundary formed by the inferior border of the mandible
What are the triangles in the anterior cervical triangle?
Submandibular triangle
submental triangle
carotid triangle
muscular triangle
What are the borders of the carotid triangle?
Superior- belly of the omohyoid
Posterior- belly of digastric
Anterior- belly of SCM
What are the contents of the carotid triangle?
-Common carotid artery- carotid sinus (baroreceptor) and carotid body (chemoreceptor)
- Internal jugular vein
What are the borders of the lateral cervical triangle?
Anterior- posterior border of the SCM
Posterior- anterior border of the traps
Inferior- middle 3rd of the clavicle