MUSCLES OF THE FULL SPINAL JOINTS Flashcards
ERECTOR SPINAE GROUP: O&I
O: pelvis
I: spine, rib cage and head
ERECTOR SPINAE GROUP: A&N
A: extends and laterally flexes the trunk, neck and head at the spinal joints
N: spinal nerves - dorsal rami of cervical, thoracic and lumbar spinal n.
ILIOCOSTALIS (entire group): O&I
O: sacrum, iliac crest, ribs 3-12
I: ribs 1-12 and TP’s C4-7
ENTIRE ILIOCOSTALIS: A&N
A: extends and laterally flexes the trunk and neck at spinal joints
RMA: anteriorly tilts the pelvis at the LS joint and extends the lower spine relative to upper spine
N: spinal n. - dorsal rami of lower cervical, all thoracic, and upper lumbar spinal n.
ILIOCOSTALIS LUMBORUM: O&I
O: medial iliac crest and medial and lateral sacral crests
I: angles of ribs 7-12
ILIOCOSTALIS THORACIS: O&I
O: angles of ribs 7-12
I: angles of ribs 1-6 and TP’s pf C7
ILIOCOSTALIS CERVICIS: O&I
O: angles of ribs 3-6
I: TP’s C4-C6
ENTIRE LONGISSIMUS: O&I
O: sacrum, iliac crest, TP and SP’s of L1-L5 and T1-T5 and the articular processes of C5-C7
I: ribs 4-12, TP’s and T1-12 and C2-C6, and the mastoid process of the temporal bone
ENTIRE LONGISSIMUS: A&N
A: extends and laterally flexes the trunk, neck and head at the spinal joints
RMA: ant tilt pelvis at the LS joint and extends the lower spine relative to upper spine
N: spinal n - dorsal rami of lower cervical and the thoracic and lumbar spinal n.
LONGISSIMUS THORACIS: O&I
O: medial iliac crest, posterior sacrum and TP’s and SP’s of L1-5
I: TP’S OF T1-12 AND LOWER 9 RIBS
LONGISSIMUS CERVICIS: O&I
O: TP’s of T1-T5
I: TP’s of C2-C6
LONGISSIMUS CAPITIS: O&I
O: TP’s of T1-5 and articular processes of C5-C7
I: mastoid process of the temporal bone
ENTIRE SPINALIS: O&I
O: SP’s of T11-L2; SPs of C7 and nuchal ligament
I: SP’s of T4-T8 and SP’s o C2
ENTIRE SPINALIS: A&N
A: extends and laterally flexes the trunk and neck at spinal joints
N: spinal n - dorsal rami of the lower cervical and thoracic spinal nerves
SPINALIS THORACIS: O&I
O: SP’s of T11-L2
I: SP’s of T4-T8