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84 Cards in this Set

  • Front
  • Back
splenius capitis
Origin
ligamentum nuchae and spines of c7-t3 or t4 vertebrae
Splenius capitis
Action
alone: laterally bends and rotates head to active side
together: extend head & neck
Splenius capitis
Innervation
dorsal rami of spinal nerves
Splenius capitis
Insertion
mastoid process and lateral 1/3 of the superior nuchal line
splenius cervicis
Origin
ligamentum nuchae and spines of c7-t3 or t4 vertebrae
splenius cervicis
Innervation
dorsal rami of spinal nerves
splenius cervicis
Action
alone: laterally bends and rotates head to active side
together: extend head & neck
splenius cervicis
Insertion
tubercles of the transverse processes of c1-c3 or c4 vertebrae
serratus posterior superior
Origin
ligamentum nuchae, spines of c7 to t3
serratus posterior superior
Insertion
superior borders of ribs 2-4
serratus posterior superior
Action
elevates the upper ribs
serratus posterior superior
Innervation
2nd to 5th intercostal nerves
serratus posterior inferior
Origin
spines of t 11 to l2
serratus posterior inferior
Insertion
inferior borders of ribs 8-12 near their angles
serratus posterior inferior
Innervation
anterior (ventral) rami of T9-T12 thoracic spinal nerves
serratus posterior inferior
Action
Depresses lower ribs
iliocostalis
Origin
broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament (iliac crest and sacrum
iliocostalis
Insertion
lumborum, throacis, and cervicis: angles of the ribs and cervical transverse processes
iliocostalis
Action
bilaterally: extends vertebral column and neck
unilaterally: and laterally bends vertebral column
iliocostalis
Innervation
dorsal rami of spinal nerves
longissimus
Origin
broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament (transverse process at inferior vertebral levels)
longissimus
Insertion
thoracis, cervicis, and capitis: transverse processes in thoracic and cervical regions and mastoid process
longissimus
Action
bilaterally: extends vertebral column and neck
unilaterally: and laterally bends vertebral column
longissimus
Innervation
dorsal rami of spinal nerves
spinalis
Origin
broad tendon from posterior iliac crest, sacrum, sacral and inferior lumbar spinous processes, and supraspinous ligament (spinous processes at inferior vertebral levels)
spinalis
Insertion
thoracis, cervicis, and capitis: spinous processes of upper thoracic region, occipital bone, and base of the skull
spinalis
Innervation
dorsal rami of spinal nerves
spinalis
Action
bilaterally: extends vertebral column and neck
unilaterally: and laterally bends vertebral column
semispinalis
Origin
transverse processes of c4-t12
semispinalis
Action
extends head and thoracic and cervical regions of vertebral column and rotates them contralaterally
semispinalis
Innervation
dorsal rami of spinal nerves
semispinalis
Insertion
thoracis, cervicis, and capitis: occipital bone and spinous processes in thoracic and cervical regions
multifidus
Origin
sacrum, ilium, transverse processes of t1-t3, articular processes of c4-c7
multifidus
Insertion
spinous processes 2-4 vertebral levels superior to their origin
multifidus
Action
stabilizes vertebrae during local movements of vertebral column
multifidus
Innervation
dorsal rami of spinal nerves
Rotatores
Origin
transverse processes (best developed in thoracic region)
Rotatores
Insertion
junction of lamina and transverse process or spinous process of vertebrae above their origin (spanning 1-2 segments)
Rotatores
Action
stabilize vertebrae and assist w/ local extension and rotary movements of vertebral column (may function in proprioception)
rotatores
Innervation
dorsal rami of spinal nerves
interspinales
Origin
superior surfaces of cervical and lumbar spinous processes
interspinales
Insertion
inferior surface of spinous process above
interspinales
Innervation
dorsal rami of spinal nerves
interspinales
Action
aids in extension and rotation of vertebral column
intertransversarii
Origin
transverse processes of cervical and lumbar vertebrae
intertransversarii
Insertion
transverse processes of adjacent vertebrae
intertransversarii
Action
aid in lateral bending of vertebral column
bilaterally: stabilize vertebral column
intertransversarii
Innervation
dorsal and VENTRAL rami of spinal nerves
levatores costarum
Origin
tips of transverse processes of c7-t11
levatores costarum
Insertion
between tubercle and angle of rib below its origin
levatores costarum
Innervation
dorsal rami of spinal nerves c8-t11
levatores costarum
Action
elevates the ribs, assist with inspiration and lateral bending of vertebral column
Internal intercostals
Origin
Inferior border of ribs
Internal intercostals
Insertion
Superior border of ribs below
Internal intercostals
Innervation
Intercostal nerve
Internal intercostals
Action
Depresses Ribs
Innermost Intercostals
Origin
Inferior border of ribs
Innermost Intercostals
Insertion
Superior border of ribs below
Innermost Intercostals
Innervation
Intercostal Nerve
Innermost Intercostals
Action
(probably) Elevates ribs
Subcostals
Origin
Internal surface of lower ribs near their angles
Subcostals
Insertion
Superior borders of 2nd or 3rd ribs below
Subcostals
Innervation
Intercostal nerve
Subcostals
Action
Elevates ribs
Transversus Thoracis
origin
Posterior surface of lower sternum
Transversus Thoracis
Insertion
Internal surface of costal cartiliges 2-6
Transversus Thoracis
Innervation
Intercostal Nerve
Transversus Thoracis
Action
Depresses ribs
External Oblique
Origin
External Surfaces of 5th-12th ribs
External Oblique
Insertion
Linea Alba, pubic tubercle, and anterior half of iliac crest
External Oblique
Innervation
Inferior six thoracic nerves and subcostal nerves
External Oblique
Action
Compress and support abdominal viscera, flex and rotate trunk
Internal Oblique
Origin
Thoracolumbar fascia, anterior 2/3 of iliac crest, and lateral 1/2 of inguinal ligament
Internal Oblique
Insertion
Inferior borders of 10th-12th ribs, linea alba, and pectin pubis via the conjoint liagment
Internal Oblique
Innervation
Ventral rami of inferior 6 thoracic nerves and first lumbar nerves
Internal Oblique
Action
Compress and support abdomnial viscera, flex and rotate the trunk
Transverse Abdominis
Origin
Internal surfaces of 7th-12th costal cartilages, thoracolumbar facia, iliac crest, and lateral 1/3 of inguinal ligament
Transverse Abdominis
Insertion
Linea alba with aponeruosis of internal oblique, pubic crest and pectin pubis via the conjoint ligament
Transverse Abdominis
Innervation
Ventral rami of inferior 6 thoracic nerves and first lumbar nerves
Transverse Abdominis
Action
Compress and support abdominal viscera
Rectus Abdominis
Origin
Pubic symphysis and pubic crest
Rectus Abdominis
Insertion
Xiphoid process and 5th-7th costal cartilages
Rectus Abdominis
Innervation
Ventral rami of inferior 6 thoracic nerves
Rectus Abdominis
Action
Flexes trunk and compresses abdominal viscera