2] Cervical Spine Flashcards
Anterior Atlanta-occipital and atlantoaxial ligs limit ?
Extension
AAo and AA lig are a continuum of what lig?
ALL
Tectorial lig is a continuum of?
PLL
Tectorial lig limits ?
Forward flexion
What parts are considered the upper Spine?
C1 and C2
Atlas is ?
C1
Axis is?
C2
What’s considered the lower cervical spine?
C3-C7
Prevents anterior displacement of C1 n C2
Transverse lig
Decrease integrity with RA and Down syndrome
Transverse lig
Alar lig is tight with?
Flexion
What does alar lig limit?
Bilateral rotation and contralateral flexion
Disc in cervical is thick ?
Anteriorly
Joints of Lusckha are found where?
Cervical spine
4 functions of Joint of Luschka
1] limits lateral flexion
2] restricts posterior translation
3] strengthens disc in posterior lateral direction
4] provides stability
What does the uncovertebral cleft do?
Increases ROM
What in disc is not really stressed with flexion/rotation in cervical ?
Annulus
Herniations in disc are caused by damage to the ?
PLL
Lower cervical region has what kind of joint capsule?
Loose
Zygo joints in lower cervical are oriented ?
45 degrees from the horizontal
Which joint does nodding?
AO joint (Atlant0-occipital)
What happens at the AO joint in flexion?
Occipital rolls fwd and glides posterior
How many degrees of flexion are available at OA joint?
10-30 degrees
AA joint is responsible for ?
Over half of rotation
How many degrees of rotation in AA joint
45 degrees
What’s the % of rotation in AA joint?
55-58%
Alar lig limits?
Bilateral rotation and contralateral flexion
Actions of trapezius
Extension
Ipsi lateral flexion
Contra rotation
Levator scap action
Ipsi flexion and rotation
What other two things does levator scap do?
Produce posterior sheer
Increase activity with forward head
Scalenes are stabilizers in wat plane?
Frontal
Scalenes assist with?
Breathing
Action of scalenes
Flexion
Ipsi flexion
Contra rotation
Action of longissimus capitis and cervicis
Compression
Longissimus capitis and cervicis and stabilizers in what plane ?
Frontal
What muscles stabilize the head?
Longissimus capitis and cervicis
Proprioception
Fine tune motion
Suboccipital muscles
Actions of suboccipital
Occipital extension
Ipsi rotation and ipsi flexion
Actions of splenius capitis and cervicis
Extension and ipsi rotation
Prime mover
Not active at rest
Can be a source of headaches
Splenius capitis and cervicis
Actions of SCM (sternocleidomastoid)
Ipsi flexion
Contra rotation
Chin tucks works what muscles
Longus capitis and colli
Actions of longus capitis and colli
1] Compression of cervical spine
2] stabilizers, synergy with upper traps and levator scap
The ? Produces a posterior shear in the cervical spine and has increased activity with a ?
Levator scapulae
Forward head posture
The ? Ligament limits anterior translation of C1 on C2
Transverse lig
The transverse lig can have ty in persons with ? And ?
Down syndrome
Rheumatoid arthritis
What ligament limits bilateral c/s rotation and contra flexion?
Alar ligament
a restriction in an inferior glide of right C5-C6 would limit ? Rotation and ? Flexion and most likely have a right deviation with ?
Right
Right
Extension
Coupled rotation of the lower cervical spine include right ? And ? Flexion.
Rotation
Right
The AA joint has ? Degrees unilateral rotation ROM and the OA joint has ? degrees flexion/extension ROM
45- AA joint
30- OA joint