Special Areas of the Upper Limb

Unit 3

triangle of auscultation borders

S: trapezius m., L: medial border of scapula, I: latissimus dorsi m.

purpose of triangle of auscultation

listen to thoracic sounds

triangular space contains

circumflex scapular vessels

triangular space borders:

S: teres minor m., I: teres major m., L: long head of triceps brachii m.

contents of quadrangular space

• posterior circumflex humeral vessels

• axillary n.

quadrangular space borders

S: teres minor, I: teres major, M: long head of triceps brachii m., L: shaft of humerus

cubital fossa borders

M: pronator teres m., L: brachioradialis m., S: line btwn epincondyles of humerus

cubital fossa contents (L→M)

Tendon of biceps brachii m., brachial A., median N.

TAN

cubital fossa

the structures of carpal tunnel include:

4 tendons of flexor digitorum profundus m., 4 tendons flexor digitorum superficialis m., tendon of flexor pollicis longus m., median n.

anatomical snuffbox borders:

A: abductor pollicis longus tendon, P: extensor pollicis longus tendon

anatomical snuffbox content

radial a.