First 3 Muscles Flashcards
a. Medial 1/3 of superior nuchal line and external occipital protuberance
Trapezius Origin
b. Ligamentum nuchae and spinous process of C7
Trapezius Origin
c. Tips of spinous processes of T1-T12
Trapezius Origin
a. Lateral 1/3 of the clavicle
Trapezius Insertion
b. Acromion and crest of the scapula spine
Trapezius Insertion
c. Crest of scapula spine
Trapezius Insertion
a. Elevation and depression of scapula
Trapezius Action
b. Adduction of the scapula
Trapezius Action
c. Upward rotation of the scapula
Trapezius Action
d. Retracts scapula
Trapezius Action
e. Hyperextension of the neck
Trapezius Action
a. Spinal accessory (XI)
Trapezius Innervation
b. Nerve, branches from C3, C4
Trapezius Innervation
Vertebral/Medial border of the scapula at the root of the spine of the scapula
Rhomboideus Minor Insertion
Ligamentum nuchae and spinous process of C7, T1
Rhomboideus Minor Origin
Adduction, elevation and downward rotation of the scapula
Rhomboideus Minor Action
Upper thoracic spinous processes T2-T5
Rhomboideus Major Origin
Vertebral/Medial border of the scapula inferior to the spine of the scapula
Rhomboideus Major Insertion
Adduction, elevation and downward rotation of the scapula
Rhomboideus Major Action
Dorsal Scapular Nerve (C5)
Rhomboideus Major Innervation
Dorsal Scapular Nerve(C5)
Rhomboideus Minor Innervation