Head, Neck Thorax, Spine, Abdomen OIAN Flashcards
(125 cards)
SCM prox attach
sternal head: manubrium
clavicular head: upper medial 1/3 of clavicle
SCM distal attach
lateral surface of mastoid process & lateral 1/2 of superior nuchal line
SCM axn
bilateral: flex head against resistance, neck flexion, extension at AO joint, respiration
unilateral: ipsilateral sidebend, contralateral rotation
SCM innervation
CN XI motor
C2,3 sensory
anterior scalene prox attach
transverse process CV3-CV6
anterior scalene distal attach
1st rib
anterior scalene innervation
C4-C6 ventral rami
middle scalene prox attach
post tubercles transverse process CV5 -CV7
middle scalene distal attach
superior surface 1st rib
middle scalene innervation
ventral rami C3-C8
posterior scalene prox attach
posterior tubercles transverse processes CV5-CV7
posterior scalene distal attach
2nd rib
posterior scalene innervation
ventral rami C7,8
scalene action
ipsilateral sidebening of cervical vertebra
reverse axn: elevate 1st and 2nd rib during inspiration
levator scapulae prox attach
post tubercles of transverse processes CV1-CV4
levator scapulae distal attach
medial border of scap, at and above spine
levator scapulae innervation
C3,4 ventral rami
C5 from dorsal scapular n
levator scapulae axn
elevates scapula, downward rotation of scap with pec minor
temporalis prox attach
floor of temporal fossa and deep temporal fascia
temporalis distal attach
medial surface, apex, anterior & posterior borders of coronoid processes of mandible & anterior border of ramus of mandible
temporalis innervation
CN V
temporalis axn
anterior: elevation of mandible
posterior: retract mandible
masseter prox attach
inferior border and medial surface of the zygomatic arch
masseter distal attach
angle and lateral aspect of ramus of mandible