Axilla Flashcards
apex and base med of axilla region + IN
Apex- ant axillary fold
Base- Post axillary fold
med- thoracic wall 1-4
IN- intercostobrachial T2,3
in case of angina where is typical referal of pain
arm pit c8,t1,2,3
ant wall of axilla consists of
- pectoralis major
- pectoralis minor
med wall of axilal consists of
thoracic wall 1-4
seratus ant
post wall of axilla consits of
scapula (subscapularis)
lat
teres maj
lat wall of axilla consits of
humerus
biiceps
coracobrachialis
content of axilla (and what surrounds it)
prevertebral fascia invests axillary artery, vein and continuation of brachial plexus
what part of the brachial plexus is in the arm pit
post, lat and medial cords
where can the long thoracic nerve be impinged
impinged by the middle scalene muscle as it perforates deep to it
what happens clinically when sombody has winging scapula
medial border, esp inf angle will stick out
patient cant raise arm fully or push effectively
what nerve, muscle and spinal cord segments are impacted in winging of scap
Long thoracic
serratus ant
APR c5,6,7
muscles that elevate shoulder point (2)
- serrtus ant
2. Trap (descending and acsending)
muslces that depress shoulder point (5)
- lev scap
- rhomboids
- lat
- pec major
- pec minor
muscles that protract scap (3)
pec major
pec minor
serratus ant
quadrangular space border (sup, inf, lat, med)
sup- subscap
inf- teres major
lat- humerus neck
med- triceps (long)
