Back & Spine Flashcards
Proximal Attachment of Trapezius
External Protuberance, Ligament Nuchae, Spinous Process fo C7-T12, & Superior Nuchael line
Distal Attachement of Trapezius
Scapular spine, acromial process, lateral 1/3 clavicle
Innervation of Trapezius
Spinal Accerssory N (CN XI)
Blood Supply of Trapezius
Superficial transverse cervical A
Function of Trapezius
Elevation/depression, upward rotation, retraction of scapula
Proximal Attachment of Lat Dorsi
Thoracolumbar fascia, iliac crest, spinous process of T6-T12, ribs 9-12, inferior angle of scapula
Distal Attachment of Lat Dorsi
Medial lip of intertubercular sulcus
Innervation of Lat Dorsi
Thoracodorsal nerve/middle subscapular nerve (C6-C8)
Blood Supply for Lat Dorsi
Subscapular artery
Functions of Lat Dorsi
IR/EXT/ADD of GH joint
Proximal Attachment Rhomboid Minor
Spinous Process of C7-T1
Distal Attachment Rhomboid Minor
Superior Angle of Scapula
Innervation of Rhomboid Minor
Dorsal Scapular N (C4-C5)
Blood Supply Rhomboid Minor
Dorsal Scapular A
Function Rhomboid Minor
Elevation, downward rotation of scapula, retraction/adduction of scapula
Proximal Attachment Rhomboid Major
Spinous Process of T2-T5
Distal Attachment Rhomboid Major
Medial Border of Scapula
Innervation of Rhomboid Major
Dorsal Scapular N (C4-C5)
Blood Suply Rhomboid Major
Dorsal Scapular A
Function Rhomboid Major
Elevation, downward rotation of scapula, retraction/adduction of scapula
Proximal Attachment Serratus Posterior Superior
Supraspinous Ligament, Ligimentum Nuchae, Spinous Process C7-T3
Distal Attachment Serratus Posterior Superior
Upper borader of ribs 2-5
Innervation Serratus Posterior Superior
Intercostal N of dorsal rami (T1-T5)
Blood Supply Serratus Posterior Superior
Posterior Intercostal A
Function Serratus Posterior Superior
Elevate upper ribs, inspiration
Proximal Attachment Serratus Posterior Inferior
Supraspinous Ligament, Spinous Process (T11-L3)
Distal Attachment Serratus Posterior Inferior
Inferior Borders of ribs 9-12
Function Serratus Posterior Inferior
Depress Lower Ribs, expiration
Proximal Attachment Splenius Capitis
Ligament Nuchae and Spinous Process of C7-T3
Distal Attachment Splenius Capitis
Superior Nuchal Line and Mastoid Process
Innervation Splenius Capitis
Dorsal Rami of cervical spinal N (C2-C3)
Blood Supply Splenius Capitis
Occipital A
Function Splenius Capitis
Neck/Head EXT (B), ipsilateral SB/RT
Proximal Attachment Splenius Cervicis
Spinous Process T3-T6
Distal Attachment Splenius Cervicis
Transverse Process C3-C6
Innervation Splenius Cervicis
Dorsal Rami of Spinal N
Blood Supply Splenius Cervicis
Occipitial & Posterior Intercostal A
Function Splenius Cervicis
Nexk EXT (B), ipsilateral SB/RT
Proximal Attachment Multifidi
Sacrum, PSIS, SI Ligament, Lumbar Mammillary Process, Transverse Process of T12-C4
Distal Attachment Multifidi
Lateral Aspect & tips of the spinous process of vertebrae 2-5 levels above until C2
Innervation of Multifidi
Dorsal Rami of spinal N
Blood Supply Multifidi
Various arteries @ different levels
Function Multifidi
Back EXT (B), ipsilateral back SB (L/R), and contralateral RT (L/R)
Proximal Attachment Rectus Capitis Posterior Minor
Posterior Tubercle of Atlas
Distal Attachment Rectus Capitis Posterior Minor
Medial Inferior Nuchal Line
Innervation of Rectus Capitis Posterior Minor
Dorsal Rami of C1 (suboccipital N)
Blood Supply Rectus Capitis Posterior Minor
Vertebral/occipital A
Function of Rectus Capitis Posterior Minor
Head EXT
Proximal Attachment Rectus capitis posterior major
Spinous process of Axis (C2)
Distal Attachment Rectus capitis posterior major
Lateral Inferior Nuchal Line
Innervation Rectus capitis posterior major
Suboccipitial N
Blood Supply Rectus capitis posterior major
Occipital A
Function Rectus capitis posterior major
Head EXT, ipsilateral RT
Proximal Attachment Obliquus Capitis Inferior
Apex of axis Spinous Process
Distal Attachment Obliquus Capitis Inferior
Transverse Process of Atlas
Innervation Obliquus Capitis Inferior
Suboccipital N
Blood Supply Obliquus Capitis Inferior
Vertebral & Occipital A
Function Obliquus Capitis Inferior
Neck EXT, ipsilateral SB/RT
Proximal Attachment Obliquus Capitis Superior
Transverse Process of Atlas
Distal Attachment Obliquus Capitis Superior
Nuchal Line
Innervation Obliquus Capitis Superior
Suboccipital N
Blood Supply Obliquus Capitis Superior
Vertebral & Occipital A
Function Obliquus Capitis Superior
Head EXT, ipsilateral SB, contralateral RT
Suboccipital Triangle Boundaries
Rectus capitis posterior major, Obliquus Capitis Superior & Inferior, Vertebral A, Greater Occipital N/semispinalils capitis