Posterior Axioappendicular Muscles Flashcards
Where do these muscles start?
The axial skeleton
Where do these muscles end?
The appendicular skeleton
What are the five posterior axioappendicular muscles?
Trapezius, levator scapulae, rhomboid major and minor, latissimus dorsi mm.
O- Trapezius m.
Nuchal ligament, spinous process of C1-T12 (all of the cervical and thoracic vertebrae)
I- Trapezius m.
Spine and acromion process of scapula, and lateral third of clavicle
A- Trapezius m.
Elevation, retraction and depression of the scapula
Inn- Trapezius m.
Spinal accessory nerve (CN XI)
O- Levator scapulae m.
Transverse processes of C1-4
I- Levator scapulae m.
Superior part of medial border of scapula
A- Levator scapulae m.
Elevation of the scapula
Inn- Levator scapulae m.
Dorsal scapular nerve
O- Rhomboid major/minor m.
Spinous processes of C7-T5
I- Rhomboid major/minor m.
Medial scapula
A- Rhomboid major/minor m.
Retraction of the scapula
Inn- Rhomboid major/minor m.
Dorsal scapular nerve
Which muscles are innervated by the dorsal scapular nerve?
Levator scapulae, rhomboid major and rhomboid minor mm.
O- Latissimus dorsi m.
Spinous processes of T7-12, iliac crest and thoracolumbar fascia
I- Latissimus dorsi m.
Intertuburcular groove of the humerus
A- Latissimus dorsi m.
Extension, adduction and medial rotation of the arm
Inn- Latissimus dorsi m.
Thoracodorsal nerve
