muecle list- posterior thorax

Question 1

rhomboid minor

Answer 1

O: spinous process of vertebrae C7-T1

I: medial border of scapula

A: abducts scapula & downward rotation

Question 2

infraspinatous

Answer 2

O: infraspinous fossa of scapula

I: greater tubercule of hummerus

A: lateral rotation of hummerus

Question 3

erector spinae

Answer 3

O: lilac crest, vertebrae & ribs 3-6

I: ribs and vertebrae above the orgin

A: extends vertebal column and flexes neck

Question 4

levator scapulae

Answer 4

O: transverse processes of cervixal vertebrae 1-4

I: scapula

A: elevates scapula

Question 5

supraspinatous

Answer 5

O: supraspinatus fossa of scapula

I: greater tubercule of hummerus

A: adduction or the hummerus

Question 6

trapezius

Answer 6

O: occipital bone & spinous processes of all theocratic vertebrae

I: clavicle, & acrominon & spine of scapula

A: elevates retracts & depresses scapula

Question 7

rhomboid major

Answer 7

O: spinous process of upper throactic vertebrae

I: medial border of scapula

A: adducts scapula & downwards rotation