Muscle Origins And Inserts Back

Question 1

Sternocleidomastoid

Answer 1

Origin: anterior and superior manubrium

Medial third of clavicle

Insert: lateral aspect of mastoid process

Anterior 1/2 of superior nuchal line

Question 2

Rhomboids major

Answer 2

Origin: spinous process T2-T5

Inserts: medial border of the scapular
Between the spine of the scapula and the inferior angle

Question 3

Latissimus Dorsi

Answer 3

Origin: spinous process T7-T12
Iliac crest
Inferior ribs 3/4
Inferior angular of scapular 
Thoracolumbar

Question 4

Levatator scapulae

Answer 4

Origin: transverse process C1-c4

Insert: posterior surface of medial scapular border

Question 5

Trapezius

Answer 5

Origin: occipital bone
Ligamentum nuchae
spinous process t1-t12

Insertion: lateral 3rd of clavicle
Acromion
Spine of scapula

Question 6

Quadratics lumborum

Answer 6

Origin: medial half of the posterior iliac crest
Iliocolumbar ligament

Insertion: transverse processes of L1-L4
Medial half of the 12th rib

Question 7

Rhomboids minor

Answer 7

Origin: Spinous process of C7-T1

Insertion: medial border of the scapula at the level of the spine of the scapula

Question 8

Erector spinae

Answer 8

Iliocosatalis

Logissimus

Spinalis

Extends the spine