Fascia of the Upper Extremity Flashcards
What pierces the clavicopectoral fascia?
- cephalic vein
- thoracoacromial artery
- lymph vessels from infraclavicular nodes
- lateral pectoral nerve
the clavicopectoral fascia splits inferiorly to enclose what muscle?
Pectoralis minor
the clavicopectoral fascia splits superiorly to enclose what muscle?
Subclavius
the clavicopectoral fascia continues inferiorly from pec minor as what ligament?
Suspensory ligament of the axilla
What does the suspensory ligament of axilla do when the clavicle is elevated?
raises the skin of the armpit
What are the 2 septa of the upper arm?
anterior and posterior compartments
What muscles are in the anterior compartment of the upper arm?
biceps
coracobrachialis
brachialis
What artery is in the anterior compartment of the upper arm?
brachial artery
What nerve innervates is in the anterior compartment of the upper arm?
Musculocutaneous
What structures pass through the anterior compartment of the upper arm?
Musculocutaneous, ulnar and radial nerves
Brachial artery
Basilic vein
What muscles are in the posterior compartment of the upper arm?
Three heads of triceps
What arteries supply the posterior compartment of the upper arm?
profunda brachial artery and ulnar collateral artery
What nerve innervates the posterior compartment of the upper arm?
Radial nerve
What structures pass through the posterior compartment of the upper arm?
Ulnar and radial nerves
What bony landmark do the septa of the upper arm connect to?
medial and lateral supracondylar ridges of the humerus.
What bone does the deep fascia of the forearm connect to?
Posterior ulna
What divides the forearm into 3 fascial compartments?
fascial sheath, interosseus membrane and intermuscular septa
What superficial muscles are in the anterior compartment of the forearm?
(medial to lateral)
flexor carpi ulnaris
policis longus
flexor carpi radialis
pronator teres
What intermediate muscle is in the anterior compartment of the forearm?
flexor digitorum superficialis
What deep muscles are in the anterior compartment of the forearm?
flexor digitorum profundus
flexor palmaris longus
pronator quadratus
What arteries are in the anterior compartment of the forearm?
Ulnar
Ulnar recurrent
Radial
Anterior interosseus
What nerves innervate are in the anterior compartment of the forearm?
All are supplied by median nerve and its branches except FCU and medial part of FDP which are supplied by the ulnar nerve.
What muscles are in the lateral compartment of the forearm?
brachioradialis and ECRL
What arteries are in the lateral compartment of the forearm?
radial and radial recurrent arteries
What nerve innervates the lateral compartment of the forearm?
radial nerve
What superficial muscles are in the posterior compartment of the forearm?
Extensor carpi radialis brevis
Extensor digitorum
Extensor digiti minimi
Extensor carpi ulnaris
Anconeus
What deep muscles are in the posterior compartment of the forearm?
Supinator
Abductor Policis Longus
Extensor Policis Brevis
Extensor Policis Longus
Extensor Indicis
What arteries supply the posterior compartment of the forearm?
Posterior interosseus and interosseus recurrent arteries
What nerve innervates the muscles in the posterior compartment of the forearm?
Deep radial nerve