Muscles Connecting the Upper Limb to the Vertebral Column: OINA Flashcards
Trapezius: Origin
Occipital bone, ligamemtum nuchae, spine of C7, spines of all thoracic vertebra
Levator Scapulae: Origin
Transverse processes of C1-C4
Latissimus Dorsi: Origin
Iliac crest, lumbar fascia, spines of lower six thoracic vertebrae, lower 3 or 4 ribs, and inferior angle of scapula
Rhomboid Minor: Origin
Ligamemtum nuchae and spines of C7 and T1
Rhomboid Major: Origin
T2-T5 spines
Trapezius: Insertion
Upper fibers into lateral third of clavicle; middle and lower fibers into acromion and spine of scapula
Latissimus dorsi: Insertion
Floor of bicipital groove of humerus
Levator Scapulae: Insertion
Medial border of the scapula
Rhomboid Minor: Insertion
Medial border of the scapula
Rhomboid Major: Insertion
Medial border of the scapula
Trapezius: Innervation
Spinal part of accessory nerve (motor) and C3 and 4 (sensory); CN XI
Latissimus dorsi: Innervation
Thoracodorsal nerve; C6, 7, 8
Levator Scapulae: Innervation
Dorsal scapular nerve; C3,4,5
Rhomboid Minor: Innervation
Dorsal scapular nerve; C4, 5
Rhomboid Major: Innervation
Dorsal scapular nerve; C4, 5