Superficial Back and Shoulder Flashcards
Trapezius Origins
External Occipital Protuberance (Skull) C1-T12 Spinous Processes
Insertions of Trapezius
(upper fibers) Medial Margin of the Clavicle (middle fibers) Medial Margin of the Acromion (lower fibers) Medial Margin of Scapular Spine
Trapezius Innervation
Subtrapezial Nerve Plexus (CN XI) C3 and C4 ventral Rami
Action of Trapezius
Move Shoulder Girdle
Origin of Levator Scapulae
C1-C4 Transverse Processes
Insertion of Levator Scapulae
Medial Border of Scapula (above scapular spine)
Innervation of Levator Scapulae
Dorsal Scapular Nerve
Action of Levator Scapulae
Move the Shoulder Girdle
Rhombiod Minor Origin
C7-T1 Spinous Processes
Rhombiod Minor Insertion
Medial Border of Scapula (at scapular spine)
Innervation of Rhombiod minor
Dorsal Scapular Nerve
Rhomboid Minor Action
Moves shoulder girdle
Rhomboid Major Origin
T2-T5 Spinous Processes
Insertion of Rhomboid Major
Medial Border of Scapulae (below scapular spine)
Innervation of Rhomboid Major
Dorsal Scapular Nerve
Action of Rhomboid Major
Move shoulder girdle
Latissimus Dorsi Origin
T6-L5 Spinous Process, Iliac Crest, Thoracolumbar Fascia
Insertion of Latissimus Dorsi
Intertubercular Groove of Humerous
Innervation of Latissimus Dorsi
Thracodorsal Nerve
Action of Latissimus Dorsi
Extend, Med. Rotate, adduction
First Vertebral Spine that is palpable
C7 = Vertebra prominens
Structure extending laterally from spine of scapula
acromion