Axillary fossa Flashcards
What 3 sets of fibers could pec major be divided into ?
- abdominal
- clavicle
- sternal
What muscle could be damaged in a clavicle fracture?
subclavius
When is upward rotation of the scapular extra important?
after 90 degrees of GH flexion
What is a sign that serratus anterior is not firing ?
scapular winging
_______ syndrome is when the surpaspinatus in squished between the head of humerus and the acromion.
impingement
What is the test for painful arch syndrome?
abduction of arm - patient will have pain in 80-120 degrees
When _______ becomes inflamed it begins to attract calcium to the area.
supraspinatus
____ ____ test = elevation and medially rotating
empty can
What is the test for subscapularis called?
medial rotation lag
What are the 3 posterior wall muscles?
- subscapularis
- latissimus
- teres major
What makes up the anterior wall ?
- pec major
- pec minor
- subclavius
What makes up the lateral wall?
coracobrachialis and humerus
What are the 5 lymph groups?
- pectoral or anterior
- posterior or subscapular
- lateral or venous
- central group
- apical group
What are the borders of the triangular space?
upper border = teres minor
lower border = teres major
lateral border = LH triceps
What passes through the triangular space?
circumflex scapular a.
What are the border of the triangular interval?
upper border = teres major
medial border = LH triceps
lateral border = shaft of humerus
What passes through the triangular interval?
radial n. and deep artery of arm
What are the borders of the quadrangular space?
superior border = teres minor
inferior border = teres major
medial border = LH triceps
lateral border = surgical neck of humerus
What passes through the quadrangular space?
posterior humeral circumflex artery
What nerve commonly gets damaged after a surgical neck fracture of the humerus?
axillary
What makes up the apex of the axilla?
behind middle 1/3 of clavicle
What makes up the base of the axilla ?
skin of armpit
