Lecture 1 Anatomy: Muscles Of The Back

Front 1

describe the superficial fascia

Back 1

fatty layer of connective tissue, loose areolar, fat distribution is dependent on hormones

Front 2

describe the deep fascia

Back 2

encloses structures deep to superficial fascia, dense organized connective tissue

Front 3

What is the thoracolumbar fascia and which muscle is it associated with

Back 3

deep fascia, lastimus dorsi

Front 4

trapezius muscle origin

Back 4

superial nuchal line, external occipital protuberance, ligamentum nuchae, and spinous processes of C7-T12

Front 5

Tranpezius muscle insertion

Back 5

upper- lateral third of the clavicle, acromion process, spine of scapula

middle and lower- medial end of the spine of the scapula

Front 6

what does the trapezius do

Back 6

upper- elevate
middle-retract
upper and lower- rotate scapula

Front 7

Does the trapezius act on the shoulder? shoulder joint?

Back 7

yes
no

Front 8

trapezius innervation

Back 8

accessory nerve CN11, C3, C4

Front 9

trapezius blood supply

Back 9

transverse or superfiscial arteries

Front 10

latissimus dorsi origin

Back 10

spinous processes of T7 down to the sacrum, crest of the ilium, lower ribs

Front 11

posterior to the sacrum the latissimus dorsi is fused to what?

Back 11

tendon of the erector spinae muscles

Front 12

Insertion of the latissimus dorsi

Back 12

lesser tubercular ridge and intertubercular sulcus of the humerus

Front 13

what does the latissimus dorsi do

Back 13

extends, adducts, and medially rotates the humerus
acts on shoulder joint

Front 14

what innervates the latissimus dorsi

Back 14

thoracodorsal nerve

Front 15

what is the blood supply for the latissimus dorsi

Back 15

thoracodorsal vessels

Front 16

where is the origin of the levator scapulae muscle

Back 16

transverse process of the upper four cervical vertebrae

Front 17

where does the levator scapulae muscle insert

Back 17

vertebral border of the scapula

Front 18

innervation of levator scapulae

Back 18

C3,4 cervical plexus and the dorsal scapular nerve

Front 19

blood supply of levator scapulae

Back 19

dorsal scapular vessels

Front 20

rhomboideous major origin? minor

Back 20

major: spinous process of c7-t4
minor: lower part of ligamentum nuchae and spine of C7

Front 21

insertion rhomboideus major/minor

Back 21

vertebral border of scapular below spine

vertebral border of scapula at the level of the spine

Front 22

innervation of rhomboideus

Back 22

dorsal scapular nerve

Front 23

blood supply

Back 23

dorsal scapular vessels

Front 24

what do the rhomboideus do

Back 24

retract shoulder

Front 25

serratus posterior superior and inferior muscles- origin

Back 25

midline from spinous process

Front 26

serratus posterior superior and inferior muscles- insertion

Back 26

ribs

Front 27

serratus posterior superior and inferior muscles- innervation

Back 27

intercostal nerves

Front 28

serratus posterior superior and inferior muscles- function

Back 28

inspiration

Front 29

borders of the triangle of auscultation

Back 29

lateral- scapula
medial- trapezius
inferior- latissumus dorsi muscle

Front 30

splenius capitis and cervicis- origin

Back 30

ligamentum nuchae and spinous process of C7-T6

Front 31

splenius capitis and cervicis muscles- insertion

Back 31

superior nuchal line, mastoid process, and transverse processes of C2 and C3

Front 32

splenius capitis and cervicis function

Back 32

extend the head and neck, turn the head

Front 33

splenius capitis and cervicis- innervation

Back 33

dorsal primary rami

Front 34

erector spinae muscles- function

Back 34

priniciple extensor of back

Front 35

erector spinae muscles- the three

Back 35

spinalis, longissimus, iliocostalis

Front 36

erector spinae- mnuemonic

Back 36

I long for spinnach (from lateral to medial)

Front 37

erector spinae innervation

Back 37

dorsal primary rami

Front 38

transversospinal group of muscles

Back 38

rotator, multifidus, semispenalis

Front 39

suboccipital triangle

Back 39

four muscles, important nuerovascular structures housed there

Front 40

muscles of suboccipital triangle

Back 40

inferior oblique muscle, superior oblique muscle, rectus capitis posterior minor muscle, rectus capitis posterior major muscle

Front 41

inferior oblique muscle

Back 41

origin spine oc C2
insertion transverse process of C1

Front 42

superior oblique muscle

Back 42

origin: transverse c1
insertion occipital bone

Front 43

recutus capitis posterior minor

Back 43

origin- posterior tubercle of C1
insertion- occipital bone

Front 44

rectus capitis posterior major

Back 44

origin spinous process of C2
insertion occipital bone

Front 45

suboccpital triangle innervation

Back 45

suboccipital nerve