Axial Muscles Flashcards
(27 cards)
rectus capitis posterior minor
O: posterior tubercle C1
I: occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
ipsilateral rotation (unilaterally)rectus capitis posterior major
O: C2 spinous process
I: occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
ipsilateral rotation (unilaterally)obliquus capitis superior
O: C1 transverse process
I: lateral occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
ipsilateral rotation (unilaterally)obliquus capitis inferior
O: C2 spinous process
I: C1 transverse process
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
ipsilateral rotation (unilaterally)spinalis cervicis
O: C7-T2 spinous processes
I: C2 spinous process
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, maintains posture
spinalis thoracis
O: lower Tx spinous processes
I: upper Tx spinous processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, maintains posture
longissimus capitis
O: upper Tx & lower Cx transverse processes
I: mastoid process
INN: cervical and thoracic spinal nerves
A: head and neck extension (bilaterally)
ipsilateral rotation (unilaterally)longissimus cervicis
O: upper Tx transverse processes
I: C2-6 transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture
longissimus thoracis pars thoracis
O: lower Lx spinous processes, sacrum
I: Tx transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture
longissimus thoracis pars lumborum
O: medial iliac crest
I: Lx accessory and transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture
iliocostalis cervicis
O: rib angles 3-6
I: lower Cx transverse processes
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture
iliocostalis thoracis
O: lower rib angles
I: upper rib angles
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture
iliocostalis lumborum pars thoracis
O: ilium & sacrum
I: lower 8 ribs
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture
iliocostalis lumborum pars lumborum
O: medial iliac crest
I: Lx transverse processes
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture
longus capitis
O: mid Cx transverse processes
I: basilar part of occipital bone
longus colli (cervicis) - lower part
O: upper Tx vertebral bodies
I: lower Cx transverse processes
longus colli (cervicis) - vertical part
O: lower Cx vertebral bodies
I: mid Cx vertebral bodies
longus colli (cervicis) - upper part
O: mid Cx transverse processes
I: upper Cx vertebral bodies
anterior scalene
O: Cx transverse processes
I: anterior 1st rib
middle scalene
O: Cx transverse processes
I: lateral 1st rib
posterior scalene
O: Cx transverse processes
I: lateral 2nd rib
diaphragm
O: L1-3, lower 6 costal cartilages and ribs
I: central tendon
quadratus lumborum
O: posterior iliac crest
I: 12th rib and lumbar transverse processes
external abdominal oblique
O: lateral lower 8 ribs, anterolateral iliac crest
I: linea alba via aponeurosis
INN: T7-12 ventral rami
A: trunk fx, contralateral rotation, increase intra-abdominal pressure
