OINA etc week3/4 Flashcards
Splenius Cervicis Innervation
Dorsal primary rami
Psoas Minor Insertion
Pubic bone
Quadratus Lumborum Origin
Iliac crest, iliolumbar ligament, and transverse processes of lower lumbar vertebrae
Iliocostalis Lumborum Insertion
Angles of inferior 6 ribs
Splenius Capitis Origin
Ligamentum nuchae and spinous processes C7-T3
Longissimus Cervicis Origin
Transverse processes of T1-4 or 6
Inferior vena cava arises about the ____ vertebra from a union of the ______ veins
L5
Common iliac veins
Diaphragm Innervation
R and L phrenic nerve
What are the superficial muscles of the deep muscles of the back?
Splenius Capitis & Splenius Cervicis
Where are Multifidus most prominent?
Lumbar region
Rectus Abdominis Innervation
Lower 5 thoracic nerves, subcostal, iliohypogastric
Where are Rotatores easiest to observe?
Thoracic region
Diaphragm- lumbar portion Origin
Lumbar vertebra in form of right and left crus. Right crus: L1-3 and IV discs. Left crus: L1-2 and IV discs.
Multifidus Origin
Vertebral arches (C2-S4)
Psoas Major Origin
Transverse processes, bodies and intervertebral discs T12-L5
Psoas Minor Action
Flexion of pelvis & vertebral column.
Rhomboid Minor Innervation
Dorsal scapular nerve (C4-5)
Inferior boundary of abdominal wall
Line on either side connecting the ASIS to the pubic symphysis
Splenius Cervicis Action
Rotate head and neck to same side; extend head and neck.
Iliocostalis Innervation
Dorsal primary rami
Quadratus Lumborum Insertion
Rib 12, transverse processes of upper lumbar vertebrae
Serratus Posterior Superior Origin
Ligamentum nuchae, spinous process C7-T3
External Abdominal Oblique Insertion
Linea alba, pubic crest, iliac crest, pubic symphysis
Transverse Abdominis Origin
Thoracolumbar fascia, iliac crest, lateral third of inguinal ligament, internal surface of costal cartilages 7-12
Semispinalis Innervation
Dorsal rami of cervical spine nerves.
Iliocostalis Cervicis Origin
6 upper ribs
What muscles are in the intermediate layer of deep back?
Erector Spinae: Iliocostalis, Longissimus, Spinalis
Nerve to quadratus femoris
L4-S1
External iliac passes under _____ and enters _____ . It changes name to ____ when ______.
Inguinal ligament
Anterior compartment of thigh
Femoral artery
When it crosses under inguinal ligament
The _______ arises from the external iliac artery before it enters anterior thigh compartment. It supplies…
Inferior epigastric artery
Inferior aspect of anterior abdominal wall
Rotatores Action
Rotation of superior vertebrae to opposite side. (Likely serve proprioceptive role rather than biomechanical.)
Psoas Minor Innervation
Ventral primary rami L1
Splenius Capitis Action
Rotate the head and neck to the same side; neck and head extension.
Psoas Major Action
Flexion of thigh, flexion and lateral flexion of trunk
Transtubercular plane
Line passes through iliac tubercles at level of L5
Transumbilical plane
Belly button: IV disc between L3 and L4
Multifidus Action
Unilaterally: flexes trunk laterally, rotates vertebra to opposite side. Bilaterally: extends the trunk.
Semispinalis Capitis Insertion
Occipital bone
External Abdominal Oblique Innervation
Inferior 5 thoracic nerves and subcostal nerve (T12) and Iliohypogastric
What is omentum?
Double layer of peritoneum that attaches stomach to body wall or other abdominal organs.
Sciatic
L4-S3
Latissimus Dorsi Origin
Spinous processes of T7-L5, thoracolumbar fascia, iliac crest, inferior 3-4 ribs and inferior angle of the scapula
Spinalis Insertion
Spinous process of upper 4-8 thoracic vertebrae
What are the deep layer of intrinsic muscles?
Short muscles found in grooves between transverse and spinous processes of vertebrae. Known as transverospinalis muscles.
Semispinalis, Multifidus, Rotatores.
Sacral plexus derived from…
L4-S4
What/where is Linea Alba?
Where anterior and posterior walls meet and fuse in anterior median line.
Longissimus Capitis Origin
Lower 4 cervical vertebrae
Psoas Minor Origin
Bodies of vertebrae T12-L1 and IV disc
Twigs to piriformis
S1-S4
What makes up the portal triad?
Bile duct, Hepatic artery and Portal vein
Internal Abdominal Oblique Action
Flex and rotate trunk, laterally rotate trunk, compress abdominal contents
Latissimus Dorsi Insertion
Medial lip of intertubercular groove of humerus
anterior to teres major
Latissimus Dorsi Innervation
Thoracodorsal nerve
ASIS stands for….
Anterior Superior Iliac Spine
Psoas Major Innervation
Ventral primary rami L1 and L2
Quadratus Lumborum Innervation
Subcostal and upper lumbar ventral primary rami
External Abdominal Oblique Action
Flex and rotate trunk, laterally rotate trunk, compress Abdominal contents.
Transverse Abdominis Action
Compress and support abdominal viscera.
Rhomboid Major Action
Retracts and downwardly rotates the scapula
Rectus Abdominis Insertion
Xiphoid process, 5th and 7th costal cartilages
Rectus Abdominis Action
Flexes trunk and tenses anterior Abdominal wall
Longissimus Capitis Insertion
Mastoid process of temporal bone
Levator Scapulae Action
Elevates scapula, rotates head to the same side.
A dense fibrous sheath enclosing Rectus Abdominis
Rectus sheath