Midterm info Flashcards
Origin of trapezius
EOP, medial 1/3 of superior nuchal line, SP C7-T12, nuchal ligament
Insertion of trapezius
Spine of scapula, acromion, lateral 1/3 od clavicle
Innervation of trapezius
Spinal accessory nerve
Action of trapezius
Elevate, retract, depress, superior rotation of scapula
Origin of latissimus dorsi
SP of T7-L5, thoracolumbar fascia, iliac crest
Insertion of latissimus dorsi
Intertubercular groove of the humerus (medial)
Innervation of latissimus dorsi
Thoracodorsal nerve
Action of latissimus dorsi
Extension, medial rotation and adduction of humerus
Origin of levator scapula
TP C1-4
Insertion of levator scapula
Superior portion of medial border of the scapula
Innervation of levator scapula
Dorsal scapular nerve
Action of levator scapula
Elevate scapula
Origin of rhomboid minor
SP C7-T1
Insertion of rhomboid minor
Medial border of the scapula
Innervation of rhomboid minor
Dorsal scapular nerve
Action of rhomboid minor
Retract scapula, rotate glenoid cavity inferior
Origin of rhomboid major
SP of T2-5
Insertion of rhomboid major
Medial border of the scapula
Innervation of rhomboid major
Dorsal scapular nerve
Action of rhomboid major
Retract scapula, rotate glenoid cavity inferior
Origin of splenius capitis
Ligamentum nuchae, spinous process C7-T4
Insertion of splenius capitis
Mastoid process, superior nuchal line
Innervation of splenius capitis
Dorsal rami of cervical spinal nerves
Action of splenius capitis
Extension, lateral flexion, and ipsilateral rotation of the head
Origin of splenius cervicis
SP of T3-6
Insertion of splenius cervicis
TP of C1-4
Nerve of splenius cervicis
Dorsal rami of cervical spinal nerves
Action of splenius cervicis
Extension, lateral flexion, ipsilateral rotation of cervical vertebrae
Origin of serratus posterior superior
SP of C7-T3
Insertion of serratus posterior superior
Ribs 2-5
Innervation of serratus posterior superior
Ventral rami of upper thoracic nerves
Action of serratus posterior superior
Elevate ribs during forces inspiration
Origin of serratus posterior inferior
SP of T11-L2
Insertion of serratus posterior inferior
Ribs 9-12
Innervation of serratus posterior inferior
Ventral rami of lower thoracic nerves T9-12
Action of serratus posterior inferior
Stabilization of lower ribs during forced inspiration
Origin of iliocostalis lumborum
Iliac crest, lateral and medial sacral crests, SP of T11-L5
Insertion of iliocostalis lumborum
Lower 6 ribs
Innervation of iliocostalis lumborum
Dorsal rami of spinal nerves
Action of iliocostalis lumborum
Extension and lateral flexion of the spine