Axillary

Question 1

Basillic Vein

Answer 1

Out of bicep, down medial side of arm (Anatomical Position)

Question 2

Cephalic Vein

Answer 2

Out of detapectoral triangle, distally through deltopectoral groove, down lateral side of arm (anatomical position)

Question 3

Apex of Axilla

Answer 3

Bounded by:

• Clavicle anteriorly
• Superior border of the scapula posteriorly
• First rib medially

Question 4

Base of Axilla

Answer 4

Bounded by:

-Skin and fascia in armpit

Question 5

Anterior Wall

Answer 5

Bounded by:

-Anterior axillary fold, pectoralis minor, clavipectoral fascia.

Question 6

Posterior Wall

Answer 6

Bounded by:

• Posterior axillary fold
• Subscapularis muscle

Question 7

Medial Wall

Answer 7

Bounded by:

• Upper portion of thoracic wall
• serratus anterior muscle

Question 8

Lateral Wall

Answer 8

Bounded by:

-Intertubercular sulcus of humerus

Question 9

Parts of Axillary Artery

Answer 9

1) Lateral border of 1st rib to medial border of pectoralis minor
Branch: Superior thoracic a.

2)Posterior to the pectoralis minor muscle

Branches: Thoracoacromial a.
Lateral thoracic a.

3) Lateral border of pectoralis minor to the inferior border of the teres major. (Where it becomes brachial)

Branches: ACHA
PCHA
Subscapular a. (largest branch)

Question 10

Lateral Thoracic Artery

Answer 10

Supplies: 
pectoralis muscles
Serratus anterior
axillary lymph nodes
lateral portion of breasts (F)

Question 11

Subscapular Artery

Answer 11

• From 3rd region of Axillary Artery
• Largest branch
• Divides into:
  
  • Circumflex scapular a.
  • Thoracodorsal artery (Lat. Dorsi)

Question 12

Circumflex Humeral Arteries

Answer 12

Posterior (larger) and anterior

-around surgical neck of humerus.

Question 13

5 Roots of BP

Answer 13

C5, C6, C7 ,C8 T1

Question 14

3 Trunks of BP and their branches

Answer 14

Superior:
Suprascapular (C5,6)
Subclavius (C5,6)

Middle

Inferior

Question 15

Long Thoracic Nerve Roots

Answer 15

Ventral Rami of C5, C6, C7

5,6,7 Scapula to heaven ( winged scapula from interrupted long thoracic nerve)

Question 16

3 Cords of BP and their branches

Answer 16

Lateral:
Lateral Pectoral Nerve (C5,6,7)

Posterior:
Upper subscapular nerve (C5,6)
Thoracodorsal nerve (C6,7,8)
Lower subscapular nerve (C5,6)

Medial:
Medial Pectoral nerve (C8,T1)
Medial brachial cutaneous nerve (T1)
Medial antebrachial cutaneous nerve (C8,T1)

Question 17

Terminal Branches

Answer 17

MARMU

Musculocutaneous (C5,6,7)
Axillary (C5,6)
Radial (C5,6,7,8,T1)
Median (C5,6,7,8,T1)
Ulnar(C7,8,T1)

Question 18

Radial Nerve actions

Answer 18

Extensor of the elbow, wrist, and fingers

Question 19

Thoracacacromial artery branches

Answer 19

"My APCDs"
Axillary
Pectoral
Clavicular
Deltoid

Question 20

Nerve; Long flexor of finger

Answer 20

Median and Ulnar n.

Question 21

Principal motor source to all of intrinsic muscles of palm

Answer 21

T1

Question 22

Pt can’t initiate abduction of arm, which part of BP injured

Answer 22

Superior trunk; suprascapular nerve origin

Question 23

What nerves will be affected by superior trunk injury?

Answer 23

suprascapular, axillary, musculocutaneous

Suprascapular and axillary: Abdduction, Musculocutaneous: lateral rotation

Question 24

Subscapulrus primary action

Answer 24

internat rotation of the arm at the shoulder