OINA Flashcards
Splenius Origin
Nuchal ligament and spinous process of C7-T6
Splenius Insertion Capitis
Mastoid Process and lateral third of superior nuchal line of occipital bone
Splenius Insertion Cervicis
Transverse process C1 to C3 sometimes C4
Splenius Nerve
Posterior Rami of Spinal Nerves
Splenius Main Action
Lateral Flexion, same side rotation, and bilateral extension
Iliocostalis Cervicis Origin
Ribs 3-6
Iliocostalis Cervicis Insertion
Transverse Process (TP) C4-C6
Iliocostalis Cervicis Action
Lateral flexion, same side rotation, and bilateral extension
Iliocostalis Thoracis Origin
Ribs 6-12
Iliocostalis Thoracis Insertion
Ribs 1-6
Iliocostalis Thoracis Action
Lateral flexion, same side rotation, and bilateral extension
Iliocostalis Lumborum Origin
T11-L5 and medial crest of sacrum of iliac crest
Iliocostalis Lumborum Insertion
Ribs 5 -12
Iliocostalis Lumborum Action
Lateral Flexion, same side oration, and bilateral extension
Longissimus Capitis Origin
TPC4-C7 and T1-T5
Longissiumus Capitis Insertion
Mastoid Process
Longissimus Capitis Action
Lateral Flexion, Same side rotation, and Bilateral extensions of head and neck
Longissimus Cervicis Origin
TP T1 -T5
Longissimus Cervicis Insertion
TP C2-C6
Longissimus Cervicis Action
Lateral Flexion and Bilateral extension NO ROTATION
Longissimus Thoracis Origin
TP of L1-L5 and thoracolumbar fascia
Longissimus Thoracis Insertion
Ribs 3-12 and TP of T1-T12
Longissimus Thoracis Action
Lateral flexion, same side rotation and bilateral flexion
Spinalis Capitis Origin and Insertion
Same as semispinalis ; medial to and with semispinalis
Spinalis Capitis Action
Lateral Flexion and bilateral extension
Spinalis Cervicis Origin
SP C7-T2
Spinalis Cervices insertion
Spinous process C2
Spinalis Cervicis Action
Lateral Flexion and bilateral extension
Spinalis Thoracis Origin
T10 or T11 to L2
Spinalis Thoracis Insertion
T1 to T8
Spinalis Thoracis Action
Lateral Flexion and bilateral extension
Semispinalis Capitis Origin
TP C7 to T7, articular processes of C4-C6 sometimes C7 to T1
Semispinalis Capitis Insertion
Between superior and inferior nuchal line
Semispinalis Cervicis Origin
TP T1 -T6
Semispinalis Cervicis Insertion
SP C2-C5
Semispinalis Thoracis Origin
TP T6-T10
Semispinalis Thoracis Insertion
SP C6-T4
Semispinalis ALL ACTION
CONTRALATERAL Rotation and bilateral extension
Multifidus Origin
Dorsal surface of sacrum to 4th foramen; aponeurosis of ES PSIS; posterior SI ligaments, mammillary processes of L/S, TP of T1-T12, articular process C4 to C7
Multifidus Insertion
Fibers run superomedially to SP 2-4 segments above; Deep fibers connect adjacent vertebrae
Multifidus Action
Stabilize vertebrae during local movements of vertebral column
Rotatores Origin
Thoracis - TP
Cervicis and Lumborum - varies but similar to TP
Rotatores Insertion
Lower border and lateral surface of the lamina above
Rotatores Action
Posture and stabilize vertebrae; Proprioception
Interspinales Origin
Superior surface of spinous process of Cervical and Lumbar (SKIP THORACIC)
Interspinales Insertion
Inferior surfaces of spinous processes of Cervical and Lumbar above it
Interspinales Action
Helps with extension and rotation of vertebral column
Interspinales Nerve
Posterior Rami of Spinal Nerves
Intertraversii Nerve
Anterior and Posterior Rami of Spinal Nerves
Intertraversii Origin
Transverse process of Cervical and Lumbar Vertebrae
Intertraversii Insertion
Transverse Process of Adjacent Vertebrae
Intertraversii Action
Aid in lateral flexion and together stabilize the vertebral column