Bones and Muscles of Thoracic Limb

Question 1

Clavicle

Answer 1

Collarbone

• doubly curved
• attaches to the sternal manubrium as the sternoclavicular joint

Question 2

Humerus

Answer 2

Top of arm

-attaches to the scapula the genoid cavity

Question 3

Scapula

Answer 3

• Triangle like back shoulder bones.

- Attach to Humerus at genoid cavity

Question 4

Radius

Answer 4

-Forearm
-In anatomical position, radius is lateral to the ulna
(outside arm)

Question 5

Ulna

Answer 5

-Forearm
-In the anatomical position ulna is medial to the radius
(inside arm)

Question 6

Phalanges

Answer 6

Bones of the fingers
-distal
-middle
-proximal
Also labeled 1-5 
total 14 bones

Question 7

metacarpals

Answer 7

• The bones of the hand from the wrist
• Form the palm
• 1 - 5 from thumb side

Question 8

Deltoid - muscle

Answer 8

Shoulder muscle

Question 9

Sternocleidomastoid

Answer 9

• Attaches at the sternum and clavicle from behind the ear
• Causes flexion of neck forward
• Rotate head toward opposite shoulder