Erector Spinae Group
Spinalis
What is the most medial of the erector spinae group?
Central Tendon
What is the Diaphragm?
Sacrum, Transverse Processes of lumbar thru cervical vertebrae
What is the origin of the Multifidi?
T9 thru T12
What is the innveration for Serratus Posterior Inferior?
Transverse Processes of C4-T5
What is the Origin of the Semispinalis Capitis?
Spinal
What is the nerve innveration?
Anterior part of the iliac crest, rectus sheath to the linea alba
What is the External Oblique?
Transverse processes of lumbar thru cervical vertebrae
What is the origin of the Rotatores?
T1 - T4
What is the innveration for the Serratus Posterior Superior?
Spinal
What is the innervation for the Multifidi, Rotatores, and the Erector Spinae Group?
Actions of the Erector Spinae Group
What extends the vertebral column and laterally flexes the vertebral column to the same side?
Internal surface of lower three ribs, rectus sheath to linea alba
What is the insertion of the Internal Oblique?
Lateral inguinal ligament, iliac crest & the thoracolumbar fascia
What is the origin of the Internal Oblique?
Phrenic nerve from the cervical plexus, C3, C4, C5 keeps the....
What is the innervation for the Diaphragm?
Draws the Ribs superiorly (increasing the space of the thoracic cavity) to assist with inhalation
What is the action of the External Intercostals?
Origin of the Erector Spinae Group
What are the Common tendon (thorocolumbar fascia) that attaches to the posterior surface of the sacrum, iliac crest, spinous processes of the lumbar and the last two thoracic vertebrae
Cartilage of ribs 5 to 7 and xiphoid process
What is the Insertion of the Rectus Abdominis?
Pubic Crest & Pubic Sumphysis
What is the Origin of the Rectus Adominis?
T5-T12, Ventral Rami
What is the innervation for the Rectus Abdominis?
What is the insertion of the Semispinalis Capitis?
Insertion of the Erector Spinae Group
What are the Various attachments at the posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae and mastoid process of the temporal bone?
Rectus Sheath to Linea Alba
What is the insertion of the Transverse Abdominis?
Lateral inguinal ligament, iliac crest, thoracolumbar fascia, internal surface of the lower six ribs
What is the origin of the Transverse Abdominis?
T7 - L1, iliohypogastric nerve and the ilioinguinal nerve divisions
What is the innervation for the Internal Oblique?
Draw the ribs inferiorly (decreasing the space of the thoracic cavity) to assist with exhalation
What is the action of the Internal Intercostals?