Arm and Cubital Fossa Flashcards
Structures in superficial fascia
cutaneous nn
-NOT visible thru skin= branches of brachial plexus deep to deep fascia
superficial vv
-visible thru skin= tributaries to deep vv beneath deep fascia
Supraclavicular nn rami
C3 C4
Superior Lateral Cutaneous N of arm rami
C5 C6; branch of axillary n
Posterior Cutaneous N of forearm rami
C5-C8
Lateral CUtaneous N of forearm rami
C6 C&; branch of musculocutaneous n
Intercostobrachial n rami
T2
Medial Cutaneous N of arm rami
C8-T2
Posterior Cutaneous n of arm rami
C5 C8; branch of radial n
Medial Cutaneous n of forearm rami
C8, T1
Dorsal Venous Arch of Hand:
- drains_________ of hand
- arches across dorsal surface of hand
- tributary to both ____ and ____ vv
- dorsal vv of hand often used for __________
superficial dorsal vv
dorsal
cephalic and basilic vv
venipuncture= intravenous fluid injection or drawing blood
Cephalic V:
drains ___________ aspect of UL
runs in _______________ and pierces deep fascia
tributary to _________
posterior lateral
deltopectoral groove
axillary v
Basilic V:
drains ___________ aspect of UL
pierces deep fascia of arm
tributary to ________
anterior medial
brachial v
Median Cubital V:
connects _____ and _______
located in _______ fossa
I. V. vein for _______
cephalic and basilic vv
cubital
venipuncture= intravenous fluid infections/drawing blood
Deep Fascia of Arm: deep fascia of arm = \_\_\_\_\_ connects to \_\_\_\_\_\_\_ by 2 fascial septa divides arm into \_\_\_\_\_ and \_\_\_\_ compartments clinically relevant to \_\_\_\_\_\_\_\_\_
brachial fascia
humerus
anterior and posterior
compartmental sundromes
Anterior Compartment of Arm: contains \_\_\_\_\_, \_\_\_\_\_\_\_, \_\_\_\_\_\_\_ contains \_\_\_\_\_\_\_ and 5 \_\_\_\_\_\_\_ --3 motor nn= \_\_\_, \_\_\_\_\_, \_\_\_\_\_ --2 cutaneous nn= \_\_\_\_ and \_\_\_\_\_
biceps brachii, coracobrachialis, brachialis mm
brachial vessels and brachial plexus nn
motor= musculocutaneous, median, and ulnar
cutaneous= medial brachial and medial antibrachial cutaneous nn ( skin of medial arm and forearm )
Biceps Brachii m O and I
anterior arm: O of long head: supraglenoid tubercle of scapula O of short head: coracoid process of scapula I: radial (bicipital) tuberosity of radius
Biceps Brachii m A
flexes and supinates forearm ( slight arm flexion )
Biceps Brachii m S
musculocutaneous n
brachial vessels
Coracobrachialis m O and I
anterior arm: O: coracoid process I: medial surface of middle of humerus
Coracobrachialis m A
flexes
adducts
Coracobrachialis m S
musculocutaneous n
brachial vessels
Brachialis m O and I
anterior arm: O: lower 1/2 of anterior humerus I: ulnar tuberosity of ulna
Brachialis m A
flexes arm
Brachialis m S
radial n
musculocutaneous n
brachial vessels
Triceps Brachii m O and I
posterior arm: O of long head: infraglenoid tubercle of scapula O of lateral head: pos shaft of humerus O of medial head: pos shaft of humerus I: olecranon process of ulna
Triceps Brachii m A
extends forearm
Triceps Brachii m S
radial n
deep brachial vessels
Cubital Fossa: depressed area \_\_\_\_\_\_ to elbow contains \_\_\_\_\_, \_\_\_\_\_\_, \_\_\_\_ \_\_\_\_\_\_ lie above this area (median cubital c) TAN= lateral to medial
anterior
biceps brachii tendon, briachial a, median n
superficial vv
–a and n protected by bicipital aponeurosis
Boundaries of Cubital Fossa:
- ______=lateral border
- ______=medial border
- ______= superior border
- ___and___= floor
brachioradialis m
ponator teres m
line btw humeral epicondyles
supinator and brachialis m
Musculocuntaneous n:
- pierces _________ m to supply it
- continues into ______ and _____mm
- supplies all _____ and medial part of _____
- emerges btw these mm as lateral antibrhial cutaneous m ??
- -supplies skin of lateral forearm
coracobrachialis
biceps and brachialis
all biceps brachii and medial part of brachialis m
Median n:
- runs down _____ aspect of arm lateral to _____
- crosses over to medial side of it and enters ____
- runs btw superficial and deep anterior forearm m
- supplies most of mm of _______
- continues under ____ to supply___ ___
medial, brachial a
cubital fossa
anterior forearm
carpal tunnel to supply lateral hand
Ulnar n:
- travels posteriorly down ___ medial aspect of arm
- runs in cubital tunnel btw ______ and _____
- dives deep into medial forearm w/ ____ to supply it
- continues over __ __ to supply __ __ and _____
medial
medial epicondyle and olecranon
ulnar a
carpal tunnel, medial hand and deepest mm of hand
Radial n:
- runs with ___ ___ a in radial groove of humerus
- continues btw ___ and ___
- supplies all of __ and ____
- divides into superficial and deep branches
deep brachial a
brachialis and brachioradialis mm
triceps brachii and lateral part of brachialis m
- superficial= supply skin on back of had
- deep= dives to supply mm of pos forearm
Brachial A:
- direct continuation of _____
- runs from inferior border of _____ to its bifurcation
- splits to ___ and ___ in cubital fossa
- sends off ____ and several muscular branches
- sends off ___ and ___ ___ ____ aa
axillary a teres major m radial and ulnar aa deep brachial a superior and inferior ulnar collateral aa
