Nerves and spaces Flashcards
Boundaries of the Cubital fossa
Boundries: Brachioradialis m. and pronator teres m.
Floor: Brachialis m and supinator m
Roof: skin and fascia
Contents of the Cubital fossa
Radial nerve- splits here to superficial and deep (enters supinator via supinator cannal)
Median N.
Musculocutaneous N.
Brachial artery - splits here into ulnar artery and radial artery
Median cubital vein
Medial brachial vein
Lateral brachial vein
Bicipital apenurosis
Bicept tendons
Nerve contents of cubital fossa
Radial nerve- splits here to superficial and deep (enters supinator via supinator cannal)
Median N.
Musculocutaneous N.
Artery contents of cubital fossa
Brachial artery - splits here into ulnar artery and radial artery
Vein contents of cubital fossa
Median cubital vein
Medial brachial vein
Lateral brachial vein
Nerve contents of cubital fossa
Radial nerve- splits here to superficial and deep (enters supinator via supinator canal)
Median N.
Musculocutaneous N.
The muscle and one apenurosis that pass through the cubital fossa
Bicipital apenurosis
Bicept Brachii tendons
What nerve does NOT go through the cubital fossa
Ulnar nerve
What passes through the cubital tunnel?
The ulnar nerve
Where is the cubital tunnel?
The flexor carpi ulnaris m.
What is in a vena commitante
2 veins running with one artery
What are the contents of the vena commitante passing through the cubital fossa? (hint two veins and one artery)
Lateral brachial vein
Brachial artery
Medial brachial vein
What are the contents of the axillary sheeth or “fascical tube”?
Brachial plexus
Axillary artery
Axillary vein
What are the axilla boundries?
Anterior: Pec major m.
Posterior: Latissimus dorsi m. and teres major m.
Covering: Axillary fascia and skin
What are the axilla contents?
Fat
Lymph
Blood vessles
Nerves
Serratus anterior m.
What does the suspensory ligament of the axilla do? (Gerdy’s ligament)
Connects the clavipectoral fascia to the axillary fascia.
What four things pass through the clavipectoral fascia?
Lateral pectoral N
Thoracoacromial V.
Thoracoacromial A
Cephalic V
Is the axillary sheath anterior or posterior to the clavipectoral sheath?
posterior
Anatomical snuff box boundries and floor
Abductor pollicis longus M.
Extensor pollicus brevis m
Extensor pollicis longus m.
Floor: scaphoid bone
Contents of Anatomical snuff box
Radial A
Cephalic V.
Superficial radial N.
Three muscles that attach to the coracoid process of the scapula bone
Short head of the bicepts brachii m
Coracobrachialis m.
Pectoralis minor m.
What structures pass through the Clavipectoral fascia?
Cephalic vein
Thoracoacromial artery (& vein)
Lateral pectoral nerve
What is in the axillary sheath?
Brachial plexus
Axillary Artery
Axillary Vein
What is the axillary sheath derived from ? and what is its nickname?
scalene and pre-vertebral fascia
Nickname: “Fascial Tube”