Superficial/Intermediate Back Muscles
Anatomy 514 with Yokley at Touro University (NV)
About this deck
By: Michelle Coolidge
Textbook:
Essential Clinical Anatomy, 4th Edition
Created: 2011-07-24
Size: 29 flashcards
Views: 4
Textbook:
Essential Clinical Anatomy, 4th EditionCreated: 2011-07-24
Size: 29 flashcards
Views: 4
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Extrinsic Back muscles
- Trapezius
- latissimus dorsi
- levator scapulae
- rhomboid major/minor
- serratus posterior superior
- serratus posterior inferior
Trapezius- innervation
anterior rami of spinal nerves
Trapezius- origin
- occipital bone
- spinous process of C7-T12
- nuchal ligament
Trapezius-insertion
lateral 1/3 of clavicle
spineof acromion
acromion
Trapezius- action
- suspends shoulder
- rotates glenoid cavity
- elevate/depress/retract scapula
Latissimus Dorsi- Innveration
Thoracodorsal nerve
Latissimus Dorsi-origin
spinous process of inf.6 thoracic verebrea
thoracolumbar fascia
inf. 3-4 ribs
posterior 1.3 of iliac crest
Latissimus Dorsi-insertion
intertubercular groove of humerus
Latissimus Dorsi-action
extends.abducts.medially rotates humerus
raises body toward arms for climbing
Levator scapulae- Innervation
dorsal scaularnerve (C3-4)
Levator scapulae- Origin
Transverse processes of C1-C4
Levator scapulae- insertion
medial border of scapula superior to root of spine
Levator scapulae-action
tilts glenoid cavity inferiorly by rotating scapula
elevates scapula
Rhomboid major- innervation
dorsal scapular nerve C5
Rhomboid minor-origin
nuchal ligament
spinous processes C7-T1
Rhomboid major- origin
nuchal ligament
spinou processes T2-T5
Rhomboid major- insertion
medial border ofscapulabetween the spine and inferior angle
Rhomboid minor- innervation
dorsal scapularnerve C5
Rhomboid minor- insertion
triangular area at medial scapular spine
Rhomboid major- action
retract scapula
rotate scapula to depress glenoid cavity
fixes scapula to thoracic wall
Rhomboid minor - action
retract scapula
rotate scapula to depress glenoid cavity
fixes scapula to thoracic wall
Serratus posterior superior- innervation
anterior rami ofspinal nerves
Serratus posterior superior-origin
nuchal ligament
spinous process C7-T3
Serratus posterior superior-insterion
Ribs 2-5
Serratus posterior superior-action
elevates the upper ribs
Serratus posterior inferior- innervation
anterior ramiof spinal nerves
Serratus posterior inferior-origin
spinous processes of T11-L2
Serratus posterior inferior-insertion
Ribs 9-12
Serratus posterior inferior-action
depresses the lower ribs
About this deck
By: Michelle Coolidge
Textbook: Essential Clinical Anatomy, 4th Edition
Created: 2011-07-24
Size: 29 flashcards
Views: 4
Textbook:
Essential Clinical Anatomy, 4th EditionCreated: 2011-07-24
Size: 29 flashcards
Views: 4
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have been getting MUCH better grades on all my tests for school. Flash cards, notes, and quizzes are great on here. Thanks!”
Kathy
Kathy