Thoracic Outlet Syndrome

Question 1

Definition- thoracic outlet Syndrome

Answer 1

Conpressionbof the brachial plexus + jts accompanying artery

Question 2

Anterior scalene syndrom

Answer 2

Between anterior + mid scalene

Question 3

Pec minor syndrome

Answer 3

At corocoid process + pec minor

Question 4

Castioclavicular syndrome

Answer 4

Between clavicle + first rib

Question 5

Causes TOS

Answer 5

-internal > bony callus, cervical rib
-external >compression (crutches)
-poor posture > (prolonged) hyperkyphosis, Scoliosis, HT + TPs
-Systemic/metabolic disorders> RA, diabetes
-trauma > whiplash
-jt subluxation > cerve spine
-pregnancy

Question 6

Causes neuropraxia > symptoms

Answer 6

Local pain, sensory loss/motor loss, weakness, trophic changes

Question 7

Double crush syndrome

Answer 7

Compressed in more than one location

Question 8

Describe cervical rib

Answer 8

-additional rib that forms at transverse process of C7.
-can be small or as long as first rib
-it narrows the interscalene triangle, which compress the vascular bundle

Question 9

Anterior scalene syndrom

Answer 9

-the brachial plexus + subclavian artery pass in between the anterior + mid scalenes. Will experience mainly ulnar nerve symptoms
- TPs in the scalenes will cause px in low lateral neck, rotating to lat shld/arm, over chest, medial scapular boarder