MUSCLES OF THE LUMBAR SPINE Flashcards
attachments of quadratus lumborum
iliolumbar ligament and iliac crest
to the medial 1/2 of 12th rib and transverse processes of L1-L4
Function of quadratus lumborum
lateral flexion to the same side
bilateral trunk extension
Origin of the Erector Spine muscles
spinous processes supraspinous ligaments of T11-L5 posterior sacral crests sacrotuberous ligament posterior iliac crest
Insertion of the Erector spinae: Iliocostalis Lumborum
inferior borders of lower 6 ribs
Insertion of the Erector spinae: Iliocostalis Thoracis
upper 6 ribs and TPs of C7
Insertion of the Erector spinae: Iliocostalis Cervicis
TPs of C4-C7
Insertion of the Erector spinae: Longissimus Thoracis
TPs of all thoracic vertebrae and lower 10 ribs
Insertion of the Erector spinae: Longissimus Cervicis
TPs of C2-6
Insertion of the Erector spinae: Longissimus Capitis
articular processes of C4-C7 and mastoid process
Attachments of the Semispinalis Thoracis
TPs toT6-T10
to SPs of C6 - T2
Attachments of Semispinalis Cervicis
TPs of T1-T6
to SPs of C2-C6
Attachments of Semispinalis Capitis
TPs of T1-T6 to articular processes of C4-C7