muscles of head and neck posterior/lateral Flashcards
longismissus Capitis origin and insertion
o: upper thoracic and lower cervical vertebrae
I: mastoid process
longismissus Capitis Movement
extends, rotates and laterally flexes the neck
Oblique Capitus Superior O/I
o: atlas
I: Occipital bone
Oblique Capitus Superior movement
extends and laterally flexes the neck
turns head
Recuts Capitus Posterior O/I
O: atlas/axis
I:ocitpal bone
Rectus Capitus Posterior Movement
extends and rotates neck
turns head
Semispinalis Capitis o/i
o: C4-T6
I: occipital bone
semispinalis capitis movement
extends and rotates the neck
splenius capitus o/i
o: C4-T6
i: superior nuchal line and mastoid process
splenius capitus movement
extends, rotates and laterally flexes the neck
Trapizeus
o: occiptal protuberance, nuchal ligament, spinous process C7-t12
i: clavicle, acromion process, scapular spine
sternocleoid mastoid o/i
O: manubrium and medial clavicle
I: mastoid process and superior nuchal line
sternocleoidmastoid movement of one
laterally flexes head and neck to same side
rotates head and neck to opposite side
sternocleoidmastoid movement of both
flexes neck
scalene o/i
o:C2-C6
I:first and second ribs
