Week 2 Flashcards
8 cranial Bones
Parietal (2)
Temporal (2)
Ethmoid
Frontal
Occipital
Sphenoid
Sphenoid
Helps keep everything together - cross brace
Foramen
opening
4 agonists of TMJ
Temporalis
Masseter
Lateral pterygoid
Medial pterygoid
Joint action of TMJ (temporomandibular joint)
Depression (lowering)
Elevation (closing)
Lateral deviation (side to side)
Protrusion (forward)
Retrusion (backward)
Joint action of Neck
Flexion
Extension
Hyperextension
Lateral bending
Rotation
Structures of a typical vertebra
Body
Transverse foramen
Superior articular facet
Vertebral arch
Spinous process
transverse process
Pedicle
Vertebral foramen
lamina
Bilateral
Both sides working together for a stretch or extension
Unilateral
One side working
SCM Origin
Sternum and clavicle
SCM Insertion
Mastoid process
SCM Action
Bilaterally - flexes and hyperextends neck
Scalene Origin
Transverse processes of C2-C7
Scalene Insertion
Ribs 1 & 2
Scalene Action
Bilaterally - flexes neck.
Unilaterally - laterally bends neck.
Upper traps Origin
Occipital bone & Cervical vertebrae
Upper traps insertion
1/3 of the clavicle and acromion
Upper traps action
Stabilize and extend the neck
Splenius capitis Origin
SPs (Spinous processes) C7-T3
Splenius capitis insertion
occipital bone, mastoid process
Splenius capitis Actions
Bilaterally - extend head and neck
Unilaterally - rotate and laterally bend face to same side
Splenius cervicis Origin
SPs T3-T6
Splenius cervicis Insertion
TPs of C1-C3
Splenius cervicis Action
Bilaterally - extends neck
Unilaterally - rotate and laterally bend to same side
Prevertebral group origin
C2-T2
Prevertebral Insertion
Occipital bone & TPs of C vertebral
Prevertebral Group Action
Flex head and help to laterally bend head
Suboccipital Origin
C1 and C2
Suboccipital Insertion
Occipital bone
Suboccipital Action
Extend the head
