Origins And Insertions

Question 1

Deltoid

Answer 1

Origin: Lateral 1/3 of clavicle, Acromion, Spine of scapula

Insertion: Deltoid tuberosity

Question 2

Trapezius

Answer 2

Origin:
-External occipital protuberance
-Medial portion of superior nuchal line of occiput
-Ligamentum nuchae
-Spinous processes of C-7 through T-12

Insertion:
-Lateral 1/3 of clavicle
-Acromion
-Spine of scapula

Question 3

Latissimus Dorsi

Answer 3

Origin:
-Inferior angle of scapula
-spinous processes of last six thoracic vertebrae
-Last three or four ribs
-Thoracolumbar fascia
-Posterior iliac crest

Insertion:
-Intertubercular groove of the humerus