Origin and Insertion
The Rectus Abdominis
What is the action of the Quadratus Lumborum?
Extends and laterally flexes vertebral column
Which group of muscles are innvervated by the Posterior Rami of the Spinal Nerve?
the back muscles!!!
Describe the Valsalva's Maneuver
trying to exhale while holding breath
What is a distinguishing landmark on C2?
Odontoid / Dens
The Linea Alba
What is a common action of the External Intercostal muscle and Serratus Posterior Superior?
Elevation of the ribs during forced inspiration or inhalation
Which group of muscles are innervated by the Intercostal Nerve?
Thoracic Muscles
This clinical consideration is when blood vessels or nerves between the clavicle and first two ribs are compressed
Thoracic Outlet Syndrome
What joint separates C1 and C2 vertebrae?
Atlanto-Axial Joint
Multifidus
What is a common action of the Internal Intercostals and Serratus Posterior Inferior have?
Depression of the ribs during forced exhalation
Which nerve innervates the Internal/External Oblique and the Transverse Abdominis
Thoraco-abdominal Nerve
Clinical Consideration when the L5 and S1 fail to develop and fuse
Spina Bifida Occulata
Thoracic Vertebrae
These Superficial back muscles originate on the posterior Iliac Crest and Sacrum and insert between the tubercles and spinous processes of the vertebrae.
Iliocostalis and Longissimis
What is the primary action of the diaphragm?
Inspiration and assists in increasing the intra-abdominal pressure
Which nerve innervates the Rectus Abdominis?
Thoraco-abdominal AND Subcostal Nerve
What are three abnormal curvatures of the vertebral column?
Kyphosis, Lordosis, scoliosis
Compare the structure of the bodies between each vertebrae
Cervical: oval and thin body
Thoracic: 4 articulations for the ribs
Lumbar: most massive body
Which back muscle originates from the transverse process of C4-T10 vertebrae and inserts on the occipital bone and spinous processes of the upper thoracic and cervical regions
The Semispinalis
Which deep back muscle may function as organs of proprioception?
The Rotatores
Which nerve innervates the Quadratus Lumborum?
Anterior branches of primary rami of T12
Why is it important to know the abdominal cavity regions and quadrants as an OT?
To know what is behind the incision line when taking into account pain, mobility, and ADL impact.
What is the gelatinous material that squeezes through a weak spot in a herniated disc?
Nucleus Pulposus