Superficial Back Flashcards
(29 cards)
SB LO 1
muscles connecting the trunk to the upper extremity
latissimus dorsi, trapezius, levator scapulae, rhomboids (minor/major), serratus anterior
axial (skull, vertebral column, rib cage), appendic (shoulder/pector)
superficial back muscles (axial appendicular)
SB LO 3
compare and contrast extrinsic and intrinsic back muscles
differences: actions/purpose
- extrinsic muscles allow for limb movement (axioappendicular) and respiration (intermediate)
- intrinsic muscles allow for vertebral column movement and stabiliazation (superficial, intermediate, and deep)
similarities: each grouped by innervation in addition to “layer”
- extrinsic (superficial & intermediate): anterior (ventral) rami of spinal n
* intermediate add intercostal n
* exception is trapezius (cranial nerve)
-intrinsic: posterial (dorsal) rami spinal nerve
similarities: both have an intermediate level
extrinsic: axioappendicular & inter
intrinsic: superficial, inter, deep
SB LO 5
List extrinsic back muscles
superficial and intermediate
superficial: latissimus dorsi, trapezius, lavator scapulae, rhomboids
intermediate: serratus posterior superior and serratus posterior inferior
all have multiple parts except for levator
SB LO 4
List the intrinsic back muscles
superficial, intermediate, and deep
superficial: splenius capitis & cervicis
intermediate: {erector spinae} which includes spinalus, longissimus, iliocostalis
deep: {transverse spinalis} semispinalis, multifidus, rotatores
groups of three except for superficial
SB LO 6
surface anatomical structures
L side body
* purple: spinous process of the seventh cervical vertebra (vertebra prominens)
* green: spine of the scapula
* blue: medial (vertebral) border of scapula
* red: inferior angle of the scapula
* orange: iliac crest
* yellow: posterior superior iliac spine
R side body
* purple: acromion of scapula
* green: anterior superior iliac spine
* blue: sacrum
external occipital protuberance: in medial line on skull, inferior to ears
transverse process: extend laterally and articulate w ribs
spinous process: protrude posteriorly
SB LO 4
intermediate extrinsic back muscles
and what are the action and innervation?
serratus posterior superior
serratus posterior inferior
n: anterior (ventral) rami of spinal n & intercostal n
a: respir & propr
2 muscles, 2 nerves
SB LO 5
intrinsic back muscles
and what are the innervation and action?
deep to peripheral
deep = tansversospinales
- multifidus
- rotatores
- semispinalis
intermediate = erector spinae
- spinalis
- longissimus
- iliocostals
(medial to lateral)
superficial = splenius
- splenius capitis
- splenius cervicis
n: posterior (dorsal) rami of spinal chord
a: vert column move, stabiliz
SB LO 1 & SB LO 2
attchments, actions, innervation and spinal cord segments of: latissimus dorsi
attachments are listed from proximal to distal
bony attachments: lower thoracic spinous process thoracolumbar fascia, iliac crest, floor of the intertuberal suclus of humerous
actions: internal rotation, extension of humerous, adduction of humerous
innervation: thoracodorsal n
C6-C8
SB LO 1 & SB LO 2
attchments, actions, innervation and spinal cord segments of: serratus anterior
attachments are listed from proximal to distal
bony attachments: outer surfaces and superior borders of upper 8/10 ribs TO costal surface of medial border of the scapula
actions: scapular protraction & upward rotation
innervation: long thoracic nerve
C5-7
SB LO 1 & SB LO 2
attchments, actions, innervation and spinal cord segments of: trapezius
attachments are listed from proximal to distal
bony attachments:
- descending: superior nucheal line, occipital protiberance, ligament nuchae (runs along the spinous processes of cervical neck) TO lateral third of clavical
- tansverse: spinous process of T1-T4 TO medial aspect of acromion and superior crest scapular spine
- ascending: spinous process lumbar spine TO medial spine of scapula
actions: scapular elevation (upper), depression (lower), retraction (middle) & upward rotation (upper & lower)
innervation: accesssory n (CN XI, motor) and different sensory
C3-4 (sensory)
SB LO 1 & SB LO 2
attchments, actions, innervation and spinal cord segments of: levator scapulae
attachments are listed from proximal to distal
bony attachments: transverse process C1-4 TO superior angle of scapula and supermedial border
actions: evelation and downward rotation of scapula
innervation: dorsal scapular nerve and different sensory C3-4
C3-4
SB LO 1 & SB LO 2
attchments, actions, innervation and spinal cord segments of: rhomboids
attachments are listed from proximal to distal
bony attachments:
-minor(superior): spinous process C7-T1 TO medial border of scapula
- major: ligamentum nuchae and spinous processes T2-T5 TO medial boder of scapula
actions: retraction, elevation and downward rotation of scapula
innervation: dorsal scapular nerve *different sensory C3-4
C4-5
SB SR 1
The occipital artery is ____ to the greater occipital nerve
lateral
key point: relation to artery and nerve
SB SR 1
The ____ artery is lateral to the greater occipital nerve
occipital
key point: relation to artery and nerve
SB SR 1
The occipital artery is lateral to the ____
greater occipital nerve
key point: relation to artery and nerve
SB SR 2
The ____ and ____ run parallel to each other on the deep aspect of the trapezius muscle.
the accessory nerve (CN XI) and transverse cervical artery
key point: accessory nerve and transverse cervical artery relation
SB SR 2
The accessory nerve (CN XI) and transverse cervical artery run parallel to each other on the ____ aspect of the trapezius muscle.
deep
key point: accessory nerve and transverse cervical artery relation
SB SR 2
The accessory nerve (CN XI) and transverse cervical artery run parallel to each other on the deep aspect of the ____ muscle
trapezius
key point: accessory nerve and transverse cervical artery relation
SB SR 2
The accessory nerve (CN XI) and transverse cervical artery run ____________ on the deep aspect of the trapezius muscle.
parrellel
key point: accessory nerve and transverse cervical artery relation
SB SR 3
The trapezius muscle is positioned ____ to the rhomboid muscles.
posterior (superior)
key point: trapezius and rhomboid relation
SB SR 3
The trapezius muscle is positioned posterior (superficial) to the ____ muscles.
rhomboid
key point: trapezius and rhomboid relation
SB SR 3
The ____ muscle is positioned posterior (superficial) to the rhomboid muscles.
trapezius
key point: trapezius and rhomboid relation
SB SO 4
The thoracodorsal nerve and thoracodorsal artery run parallel to each other on the ____ of the ____ muscle.
deep aspect of the latissimus dorsi muscle
key point: thorsacodorsal nerve and thoracodorsal artery relation
SB SO 4
The ____ nerve and ____ artery run parallel to each other on the deep aspect of the latissimus dorsi muscle.
thoracodorsal nerve and thoracodorsal artery
key point: thorsacodorsal nerve and thoracodorsal artery relation
