back muscle Flashcards
superficial back muscles (5)
trapezius
latissimus dorsi
minor and major rhomboid
levator scapulae
trapezius m
action, n, vessel
action - elevates, depresses and retracts scapula
n- accessory n and C3 C4
V- transverse cervical vessels
latissimus dorsi m
action, n, vessel
action - adducts, extends, and medially rotates scapula
n- thoracodorsal n
v- thoracodoral and intercostal
levator scapula
action, n, vessel
a- elevates scapula
n - C3,C4 and dorsal scapular n
V- dorsal scapular vessels
major/minor rhomboids
action, n, vessel
a - retract (adducts) and elevates scapula
n - dorsal scapular
v- dorsal scapular vessels
splenius capitus
action, n,
a- bilaterally draw head backward and extend neck - individually rotate head/face ipsilaterally
n - posterior rami of the middle and lower cervical n
splenius cervicis
action, n, vessel
a- bilaterally extend neck, individually rotate head and face ipsilaterally
n - posterior rami of the middle and lower cervical n
intermediate muscles of the back
serratus posterior superior
serratus posterior inferior
semispinalis capitis and semispinalis cervicis m action
a- extend vertebral trunk and rotate trunk contralaterally
erector spinalis m
action, n, vessel
a- erect spine and head
n- dorsal rami of spinal n
v- lumbar and intercostal vessels
erector longissimus
action, n, vessel
a- erect spine and head
n- dorsal rami of spinal n
v- lumbar and intercostal vessels
erector iliocostalis m
action, n, vessel
a- erect spine and head
n- dorsal rami of spinal n
v- lumbar and intercostal vessels
multifidus m
action, n, vessel
a- laterally flexes and rotates spine
n - dorsal rami of spinal n
v- lumbar vessels
rotatores m
action, n, vessel
a- rotate spine
n - dorsal rami of spinal n
v intercostal vessels
serratus anterior m
action, n, vessel
a- protracts scapular and hold it to the body wall
n- long thoracic n
v- lateral thoracic vessels
