Chapter 12: Upper Limbs

Question 1

What do muscles that move the pectoral girdle do?

Answer 1

attach the axial skeleton to scapula and clavicle

Question 2

These muscles both _____ stabilize the scapula and move it to _____ the arm’s angle of movements

Answer 2

stabilize
increase

Question 3

Some of the superficial muscles of the thorax are grouped together. According to the scapular movement they can direct 4 things

Answer 3

elevation
depression
retraction
protection

Question 4

-Thoracolumbar fascia to medial border of intertubercular sulcus of humerus
-extends, adducts, medially rotates arm

Answer 4

Latissimus dorsi