Comparative Anatomy

Question 1

What are the 2 joints the clavicle is involved in?

Answer 1

• Sternoclavicular joint

- Acromioclavicular joint

Question 2

What 2 ligaments are associated with the clavicle?

Answer 2

• Costoclavicular ligament

- Coracoclavicular ligament

Question 3

What classification system is used in dislocations of the Ac joint?

Answer 3

Tossy

Question 4

What tests can be used to determine the degree of AC dislocation?

Answer 4

• 10Kg test

- Piano key test

Question 5

What is the result of embryonic limb rotation?

Answer 5

• The anterior surface of the developing lower limb becomes the plantar aspect of he foot
• The ventral flexor muscle masses are located largely posterior to the knee, as opposed to anterior to the elbow

Question 6

What movements can occur in the upper limb?

Answer 6

• Elevation and depression
• Abduction and adduction
• Flexion and extension
• Pronation and supination

Question 7

What does the human’s ability to grasp the hands in varied locations rely on?

Answer 7

The composite mobility of all of the joints involved

Question 8

Where in the lower limb is the only joint which allows rotational movements?

Answer 8

Hip

Question 9

Where in the lower limb is there no significant movements?

Answer 9

Tibio-fibula joints

Question 10

What in the lower limb is equivalent to the axilla?

Answer 10

Femoral triangle

Question 11

Why is the femoral triangle not against the trunk?

Answer 11

Due to bipedal stance and limb rotation

Question 12

What are the common contents of the femoral triangle and the axilla?

Answer 12

• A stem artery enters and gives off a deep branch
• Accompanying major vein receives a superficial tributary
• Nerve(s) enter

Question 13

What is responsible for almost all of the innervation of the upper limb?

Answer 13

Brachial plexus

Question 14

Where does the brachial plexus enter the arm?

Answer 14

Enters into the axilla at the lateral border o the 1st rib

Question 15

What is the major plexus of the lower limb?

Answer 15

Lumbosacral plexus

Question 16

What are the 3 major branches of the lumbosacral plexus?

Answer 16

• Obturator nerve
• Sciatic nerve
• Femoral nerve

Question 17

How does the median nerve enter the hand?

Answer 17

Through the carpal tunnel

Question 18

How do the ulna artery and nerve enter the hand?

Answer 18

Superficially

Question 19

How does the radial artery enter the hand?

Answer 19

Through the 1st web space

Question 20

How do the posterior tibial artery and nerve enter the foot?

Answer 20

Enter the sole of the foot posterior to the medial malleolus

Question 21

What does the posterior tibial artery give rise to?

Answer 21

The plantar arch via lateral and medial plantar arteries