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Spine Anatomy

QuestionAnswer
What is the origin for the trapezius external occipital protuberance, middle 1/3rd superior nuchal line, nuchal line, sp c7-t12
What is the insertion for the trapezius lateral 1/3rd of the clavicle, spine of scapula, acromion process
What is the innervation for trapezius muscle Spinal accessory nerve CN 11 ventral rami c3-c4
What is the origin for the latissimus dorsi? T6-L5, iliac crest, ribs 8-12, sacrum, thoracolumbar fascia
What is the insertion for the latissimus dorsi Intertubercular groove of humerus
What is the action of the trapezius scapular elevation, scapular retraction, scapular depression, ipsilateral lateral flexion, head and neck extension
What is the innervation of the latissimus dorsi thoracodorsal nerve c6-c8
What is the action of the latissimus dorsi internal rotation, adduction, extension
what is the origin for the levator scapulae posterior tubercles TP c1-c4
what is the insertion for the levitator scapulae superior angle of the scapula
what is the innervation for the levator scapulae dorsal scapular c5 ventral rami c3-c4
what is the action of the levator scapulae elevation, downward rotation, ipsilateral lateral flexion of neck
rhomboid minor- origin c7-t1
rhomboid minor- insertion medial border of the scapula at the scapular spine
rhomboid minor innervation dorsal scapular c5
rhomboid minor action elevation, retraction, downward rotation, helps fix scapular to thoracic cage
rhomboid major origin t2-t5
rhomboid major insertion medial border of the scapula at the scapular spine
what kind of muscles are the rhomboids and levator scapulae intermediate extrinsic 2
serratus posterior superior muscle origin ligamentum nuchae, sp c7-t3
serratus posterior superior muscle insertion upper borders of ribs 2-5
innervation of serratus posterior superior muscle 1-4 intercostal nerve ventral rami t1-t4
action of serratus posterior superior muscle elevates 2-5th rib deep inspriration
what kind of muscles are the serratus posterior superior and serratus posterior inferior deep extrinsic 3
serratus posterior inferior muscle origin t11-l3
serratus posterior inferior muslce insertion ribs 9-12
innervation of serratus posterior inferior muscle 9-12 intercostal nerve ventral rami t9-t12
action of serratus posterior inferior muscle deep expiration depresses the lower four ribs
what are layers 1-3 innervated by ventral rami
splenius capitis muscles origin ligamentum nuchae c7-t3
splenius capitis muscles insertion mastoid process nuchal line lateral 3rd
innervation of splenius capitis dorsal rami c1-t1
action of spelenius capitis b/l contraction causes head extension u/l contraction causes ipsilateral rotation and ipsilateral lateral flexion
spelnius cervicis muscles origin t3-t6
splenius cervicis muscle insertion tp c1-c3
spelenius cervicis muscle innervation dorsal rami in area
action of splenius cervicis b/l contraction causes neck extension u/l contraction causes ipsilateral rotation and ipsilater lateral flexion
both splenius muscles are what superficial intrinsic 4
Created by: 507154665