Ch. 10: Fascia of the Upper Extremity Flashcards
fascia in the scapular region
Clavicopectoral fascia
what does the clavicopectoral fascia enclose
omohyoid, clav., subclavius, and pec. min.
the clavicopectoral fascia forms the _______ ______ of the _____ inferiorly and joins the fascial floor of the armpit
suspensory ligament of the axilla
the clavicopectoral fascia is pierced by what (4)
-cephalic vein (drains into axillary vein)
-thoracoacromial artery (branch of axillary)
-lymph vessels from infraclavicular nodes
-lateral pectoral nerve (on its way to pec major)
the suspensory ligament of the axilla ____ the skin of the armpit when the clav. is ______
raises, elevated
The fascial septa in the upper arm attach to the ____ and ____ ________ _____ of the humerus
MED and LAT supracondylar ridges
mms, artery, and innervation of the ANT fascial compartment of the upper arm
mms: biceps brachii, brachialis, coracobrachialis
a: brachial artery
innervation: musculocutaneous
structures passing through the the ANT compartment of the upper arm
n.: musculocutaneous, median, ulnar, radial (radial only in INF aspect)
a: brachial
v: basilic vein
mms, arteries, and innervation of the POST fascial compartment of the upper arm
mms: 3 heads of triceps
a: deep (profunda) brachial artery and ulnar collateral
innerve: radial
structures passing through the POST fascial compartment of the upper arm (2 nerves)
ulnar and radial
2 or 3 fascial compartments of the forearm
- ANT
- LAT
- POST
LAT and POST are oftern grouped together
mms of ANT compartment of forearm
superficial: PT, FCR, PL, FCU
intermediate: FDS
deep: FDP, FPL, PQ
arteries and innervation of ANT compartment of forearm
a: ulnar, ulnar recurrent, radial, ANT interosseus
innerve: all innervated by median, except FCU (ulnar) and MED half of FDP (ulnar)
mms, arteries and innervation of LAT compartment of forearm.
mms: brachioradialis (BR), ECRL
a: radial and radial recurrent
innerve.: radial
mms of POST compartment of forearm
superficial: ECRB, ED, EDM, ECU, and anconeus
deep: supinator, AbdPL, EPL, EPB, EI
arteries and innervation of POST compartment of forearm
a: POST interosseous and interosseous recurrent
innerve.: deep radial
fascia of ANT wrist and palm from superficial to deep
palmar-carpal lig and palmar aponeurosis—> flexor retinaculum
palmar aponeurosis is attached to the DIST border of the _____ _____ _____ and the _____ _____
palmar carpal lig,
palmaris longus (PL)
the flexor retinaculum forms the roof of the _____ ____ if the carpals form the floor
carpal tunnel
flexor retinaculum attaches laterally to the tubercles of the ______ and ______ and medially to the hook of hamate and _____
scaphoid and trapezium,
pisiform
tendons within the carpal tunnel (from MED to LAT and superficial to deep)
tendons of FDS: digits 4,3,5,2 —>
tendons of FDP: digits 5,4,3,2
FPL tendon in its own tendon sheath LAT to others
2 structures within the carpal tunnel (CT) to the LAT side that aren’t tendons of the FDS or FDP
median n., and FPL tendon
structures superficial to carpal tunnel (CT) (MED to LAT)
FCU tendon, ulnar a. and n., PL tendon, FCR tendon
which tendon in the CT has it’s own synovial sheath
FPL
the extensor retinaculum attaches laterally to the DIST _____ and medially to the ______ and _____ of ______
radius, pisiform and hook of hamate
how many tunnels within the extensor retinaculum
6
laterally to medially name the contents of the 6 tunnels of the extensor retinaculum
- AbdPL and EPB w/ radial artery
- ECRL and ECRB
- EPL
- 4 ED tendons w/ EI deeper
- EDM (5th digit in 5th tunnel)
- ECU
structures superficial to the extensor retinaculum on MED and LAT sides
(2 veins and 2 nerves)
MED: POST cutaneous branch of ulnar nerve and basilic vein
LAT: superficial branch of radial nerve and cephalic vein
