Posterior Axioappendicular Muscles

Question 1

O: sp of c7-t12

I: sup medial border of scapula

A: retraction of scapula

Fd: inf-lat

Answer 1

Rhomboids minor

Question 2

O: sp of t2-t5

I: medial border of scapula

A: retract scapula

Synergist - mid trapezius

Fd: inf-lat

Answer 2

Rhomboids major

Question 3

O: tvp of vert c1-c4

I: medial border of scapula

A: draws scapula superomedially, elevate scapula
-rotates glenoid cavity & lateral flexion of neck, ext of neck

Fd: inf-ant

Answer 3

Levator scapulae

Question 4

O: spinous process of t6-sp of sacrum, post surface of lower 6 ribs, thoracolumbar aponeurosis, post surface of ilium

I: intertubercular groove of humerus

A: medial rotator of humerus assists in adduction

Fd: sup-lat

Answer 4

Latissimus dorsi

Question 5

O: sup nuchal line & external occipital prot and soinous process of c7-t12

I: lateral 3rd clavicle,acronium and spine of scapula

A: sup fibers- raises the scapula, rotates the scapula
Mid fibers- mid portion of spine to middle of scapula. Retracts the scapula
Inf fibers- depress the scapula

Fd: sup- inf-lat
Mid- lat
Inf- sup lat

Answer 5

Trapezius