Term
| where does the trapezius originate? |
|
Definition
| superior nuchal line, EOP, ligamentum nuchae, C1-T12 SPs |
|
|
Term
| where does the trapezius insert? |
|
Definition
| lateral 1/3 of clavicle, acromion process, spine of scapula |
|
|
Term
| what are the actions of the trapezius? |
|
Definition
| elevate, retract, depress scapula |
|
|
Term
| what is the innervation of the trapezius? |
|
Definition
| spinal accessory nerve (CN 11) |
|
|
Term
| what is the blood supply of the trapezius? |
|
Definition
| superficial branch of transverse cervical vessels |
|
|
Term
| what is the origin of latissimus dorsi? |
|
Definition
| SPs T7 to sacrum, iliac crest, lower ribs, posterior lamella of thoracolumbar fascia |
|
|
Term
| what is the insertion of the latissimus dorsi? |
|
Definition
| floor of intertubercular sulcus on humerus |
|
|
Term
| what is the action of the latissimus dorsi? |
|
Definition
| extend, adduct, and medially rotate humerus |
|
|
Term
| what is the innervation of the latissimus dorsi? |
|
Definition
|
|
Term
| what is the blood supply of the latissimus dorsi? |
|
Definition
|
|
Term
| what is the origin of the levator scapulae? |
|
Definition
|
|
Term
| what is the insertion of the levator scapulae? |
|
Definition
| vertebral border of scapula (above spine of scapula) |
|
|
Term
| what is the action of the levator scapulae? |
|
Definition
|
|
Term
| what is the innervation of the levator scapulae? |
|
Definition
| dorsal scapulae nerve, C3 and C4 ventral primary rami |
|
|
Term
| what is the blood supply of the levator scapulae? |
|
Definition
| dorsal scapular artery OR deep branch of transverse cervical artery |
|
|
Term
| what is the origin of rhomboid minor? |
|
Definition
| C7-T1 SPs, ligamentum nuchae |
|
|
Term
| what is the insertion of rhomboid minor? |
|
Definition
| vertebral border of the scapula at the root of the spine of the scapula |
|
|
Term
| what is the origin of rhomboid major? |
|
Definition
|
|
Term
| what is the insertion of rhomboid major? |
|
Definition
| vertebral border of the scapula below the spine of the scapula |
|
|
Term
| what are the actions of the rhomboids? |
|
Definition
| retraction of scapula and movement of shoulder girdle (clavicle and scapula), stabilizers of scapula when other muscles are active |
|
|
Term
| what is the innervation of the rhomboids? |
|
Definition
|
|
Term
| what is the blood supply of the rhomboids? |
|
Definition
| dorsal scapular artery OR deep branch of the transverse cervical artery |
|
|
Term
| which muscles attach to vertebral border of scapula, share innervation, and share blood supply? |
|
Definition
| rhomboid minor and major and levator scapulae |
|
|
Term
| what is the origin of serratus posterior superior? |
|
Definition
| ligamentum nuchae, C7-T3 SPs |
|
|
Term
| what is the insertion for the serratus posterior superior? |
|
Definition
|
|
Term
| what is the action for the serratus posterior superior? |
|
Definition
| elevates ribs (inspiration) |
|
|
Term
| what is the innervation of serratus posterior superior? |
|
Definition
| ventral primary rami T2-T5 |
|
|
Term
| what is the origin of the serratus posterior inferior? |
|
Definition
|
|
Term
| what is the insertion of the serratus posterior inferior? |
|
Definition
|
|
Term
| what is the action of the serratus posterior inferior? |
|
Definition
| depresses ribs (expiration) |
|
|
Term
| what is the innervation of the serratus posterior inferior? |
|
Definition
| ventral primary rami T9-T12 |
|
|
Term
| what is the blood supply to the serratus muscles? |
|
Definition
|
|