Epaxial
Epaxial muscles are found; deep or superficial?
Deep
Hypaxial tissues are innervated by what general type of nerves
ventral rami
The serratus posterior is innervated by?
intercostal nerve
Perfusion of suboccipital triangle
vertebral artery
Muscles composing the suboccipital triangle
rectus capitis posterior minor
rectus capitis posterior major
obliquus capitis superior
obliquus capitis inferior
Epaxial tissues are innervated by what general type of nerves
dorsal rami
Hypaxial muscles are responsible for moving what general structure?
upper limbs and ribs
The rhomboids and levator scapulae are innervated by?
dorsal scapular
Deep muscles are innervated by
dorsal rami of cervical spinal nerve
List the 3 intersegmental muscles and their general connections
Levator costarum: transverse process to rib
Interspinales: adjacent spinous processes
Intertransversarii: adjacent transverse processes
Epaxial muscles are responsible for moving what general structure?
spine
Hypaxial muscles are found; deep or superficial?
superficial
What muscles are perfused by the transverse cervical artery?
Specify which branch
Trapezius - superficial
Rhomboids - deep
Levator scapulae - deep
Perfusion of splenius muscles
descending branch of occipital artery
cervical artery
List the muscles forming the border of the triangle of auscultation
trapezius
latissimus dorsi
rhomboid
What layers (numbered) are characterized as epaxial?
What muscles are found in these layers?
4-6
Erector spinae
Splenius
Transversospinales
Intersegmental muscles
This hypaxial muscle functions in breathing and proprioception
serratus posterior
The trapezius is innervated by what nerve(s)?
CN XI
C3-C4 spinal nerves
Perfusion of intersegmental muscles
branches of intercostal and lumbar artery
List the muscles forming the lumbar triangle of petit
latissimus dorsi
iliac crest
posterior border of external oblique
Which intrinsic muscles function in proprioception?
intersegmental muscles
What layers are characterized as hypaxial?
List the muscles in these layers
1-3
Trapezius
Latissimus dorsi
Rhomboids
Levator scapulae
**Serratus posterior **
The latissimus dorsi is innervated by?
thoracodorsal nerve
The muscles in the suboccipital triangle are innervated by
suboccipital nerve
List the transversospinal muscles and the # of segments they span
Rotatores: 1-2
Multifidus: 2-4
Semispinalis: 4-6