Axilla Flashcards
(31 cards)
Shape of Axilla
4 sided pyramidal space
Anterior Boundary of the Axilla’s Apex
Clavicle
Posterior Boundary of the Axilla’s Apex
Superior border of scapula
Medial Boundary of the Axilla’s Apex
Outer border of the 1st rib
Anterior Wall of the Axilla
- Pectoralis Major
- Pectoralis Minor
- Clavipectoral Fascia
- Subclavius Muscle
Anterior Fold of the Axilla
Pectoralis Major
Posterior Wall of the Axilla
- Lattissimus Dorsi
- Teres Major
- Subscapularis
Posterior Fold of the Axilla
- Lattissimus Dorsi
- Teres Major
Medial Wall of the Axilla
- Thoracic wall
- Serratus anterior
Lateral Wall of the Axilla
Upper shaft of the humerus
Contents of the Axilla
- Axillary artery
- Axillary vein
- Brachial plexus
- Axillary lymph nodes
- Axillary fat
- Axillary tail female breast
Beginning of Axillary Artery
Continuation of the subclavian artery at outer border of 1st rib
Termination of Axillary Artery
Lower border of teres major; continues as brachial artery
1st Part Branch of the Axillary Artery
Superior Thoracic Artery
2nd Part Branch of the Axillary Artery
- thoracoacromial artery
- lateral thoracic artery
3rd Part Branch of the Axillary Artery
- subscapular artery
- anterior circumflex humeral artery
- posterior circumflex humeral artery
Roots of Brachial Plexus
C5, C6, C7, C8, T1
Lateral Cord of Brachial Plexus
Anterior divisions of upper and middle trunks.
Root value of lateral cord
C5, C6, C7
Medial Cord of Brachial Plexus
Anterior divisions of the lower trunk
Root value of the medial cord
C8, T1
Posterior Cord of Brachial Plexus
Posterior divisions of the 3 trunks
Root value of the posterior cord
C5, C6, C7, C8, T1
Position of roots and trunks
Posterior triangle of the neck
