Superficial Back Musculature Flashcards
Trapezius, origin
occipital protuberance, ligamentum nuchae, spinous processes of C7-T12
Trapezius, insertion
upper: lateral third of clavicle
middle: spine of scapula
lower: root of spine of scapula
Trapezius, action
upper: elevation of scapula and upward rotation of scapula
middle: retraction of scapula
lower: depression of scapula and upward rotation of scapula
Trapezius, nerve supply
spinal accessory nerve
Trapezius, blood supply
transverse cervical artery
Rhomboid Minor, origin
spinous processes of C7-T1
Rhomboid Minor, insertion
root of spine of scapula
Rhomboid Minor, action
retraction of scapula and downward rotation of scapula
Rhomboid Minor, nerve supply
dorsal scapular nerve
Rhomboid Minor, blood supply
dorsal scapular artery
Rhomboid Major, origin
spinous processes of T2-T5
Rhomboid Major, insertion
vertebral border of scapula from root of spine to inferior angle
Rhomboid Major, action
retraction of scapula and downward rotation of scapula
Rhomboid Major, nerve supply
dorsal scapular nerve
Rhomboid Major, blood supply
dorsal scapular artery
Levator Scapulae, origin
transverse processes of C1-C4
Levator Scapulae, insertion
vertebral border of scapula from superior angle to root of spine
Levator Scapulae, action
elevation of scapula, downward rotation of scapula
Levator Scapulae, nerve supply
dorsal scapular nerve
Levator Scapulae, blood supply
dorsal scapular artery