Neck and back muscles and ligaments Flashcards
Temporalis origin and insertion for head
O: temporal fossa and fascia
I: coronoid process of mandible
Masseter origin and insertion
O:Zygomatic arch
I:angle and ramus of mandible
How many vertebrae in each section of spine
Cervical – C7 Thoracic – T12 Lumbar – L5 Sacral – S5 Coccygeal – 4
Sternocleidomastoid origin and insertion
O: superior portion of Manubrium, medial side of clavicle.
I: Mastoid process and lateral superior nuchal line
Anterior Scalene origin and insertion
O: Transverse processes C3-C6
I: First rib
Middle Scalene origin and insertion
O: Transverse processes of C2-C7
I: First rib
Posterior Scalene origin and insertion
O: Transverse processes of C6-C7
I: Second rib
Erector Spinae origin and insertion
O: common tendon (theracolumbar fascia), attaches to posterior surface of sacrum, iliac crest, spinous processes of the lumbar and T11 and T12
I: posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae, and mastoid process.
Intercostals origin and insertion
O: Inferior border of the rib above
I: Superior border of the rib below
Rectus abdominus origin and insertion
O: Pubic crest and symphysis
I: Cartilage of 5th, 6th and 7th ribs and xiphoid process
External oblique origin and insertion
O: External surfaces of 5th-12th ribs
I: Anterior part of iliac crest, rectus sheath and linea alba
Internal obliques origin and insertion
O: Lateral inguinal ligament, iliac crest and theracolumar fascia
I: internal surface of lower 3 ribs, rectus sheath and linea alba
Transverse abdominis origin and insertion
O: Lateral inguinal ligament, iliac crest, theracolumbar fascia, internal surface of 6th-12th ribs
I: Rectus sheath on linea alba
Quadratus lumborum origin and insertion
O: Posterior Iliac crest
I: 12th rib and transverse processes of L1-L4
