Thoracic Outlet Syndrome

Question 1

The bony structures that commonly compress the neurovascular bundle of the thoracic outlet are

Answer 1

Anteriorly: CLavicle/Manubrium
Dorsal/Lateral: Rib 1
Posteriorly; Cervical Rib

Question 2

the muscular structures that commonly compress the neurovascular bundle of the thoarcic outlet are

Answer 2

Medially: SCalenus Anterior
laterally: Pec Major

Question 3

What type of structure is compressed most frequently?

Answer 3

Neural Compression – Brachial Plexus

Question 4

Patient comes in complaining of tingling and numbness in the 4th/5th digits …

Answer 4

Thoracic Outlet syndrome
Inferior trunk/medial cord of brachial plexus compression

Question 5

What four neuromuscular sydromes are associated with TOS

Answer 5

Scalenus Anticus
Cervical Rib
Hyperabduction
Costoclavicular

Question 6

Special Test for SCALENUS ANTICUS

Answer 6

Adsons Maneuver

Question 7

Special Test for CERVICAL RIB

Pallor in palm

Answer 7

REVERSE ADSONS Manuever

Head turns in OPPOSITE Direction

Question 8

Special Test for HYPERABDUCTION Syndrome

Answer 8

Wrights Hyperabduction Maneuver

Question 9

What garners the best results for TOS?

Answer 9

Behavioral changes

Question 10

Painters typically present with which syndrome?

Answer 10

HYPERABDUCTION

compression occurs where the neurovascular structures pass under pec minor/coracoid process

Question 11

Patient who carries a heavy backpack or does the military pose often is likely to have which syndrome?

Answer 11

COSTOCLAVICULAR Syndrome

this exerts pressure predominantly on subclavian Artery and vein

Question 12

What great vessel travels anterior to the scalene anterior?

Answer 12

Subclavian vein and Internal Jugular Vein