Thoracic Outlet Syndrome: UQ Neural Mob & Mgmt of Pt w/ Brachial Plexopathy Flashcards
(100 cards)
Brachial Plexus Visual
see pics
Brachial Plexus Anatomy
C5-T1
2
Brachial Plexus Anatomy
- 5 Roots (ventral rami)
- 3 Trunks
- 3 ANT Divisions, 3 POST Divisions
- 3 Cords
- Terminal Branches
-
MARMU
- Musculocutaneous
- Axillary
- Radial
- Median
- Ulnar
-
MARMU
Roots:
C5-T1
Trunks (3)
Upper
Middle
Lower
Trunks
Upper Trunk
formed from C5 and C6
Combines w/ Middle Trunk to form Lateral Cord
Trunks
Middle Trunk
Formed from C7
Combines w/ Upper Trunk to form Lateral Cord
Trunks
Lower Trunk
Formed from C8 and T1
Anterior Division becomes Medial Cord
Divisions (2)
ANTERIOR
POSTERIOR
Divisions
Anterior
contribute to nerves that innervate FLEXORS
Divisions
Posterior
contribute to nerves that innervate EXTENSORS
Divisions
Posterior Divisions of all three trunks form the _____
Posterior Cord
Cords (3)
Lateral
Posterior
Medial
Cords
Lateral
formed from the Upper and Middle Trunks
Musculocutaneous and Median nerves→ major P-nerves
Cords
Posterior
Formed from the Posterior Divisions of all three Trunks
Radial and Axillary→ major P-nerves
Cords
Medial
formed from the Anterior Division of the Lower Trunk
Ulnar and Median→ major P-nerves
Thoracic Outlet divided into 4 Regions:
Medial→Lateral
- Sternocostovertebral Space
- Scalene Triangle (Scalene Groove)
- Costoclavicular Space
- Pec Minor Space
Sternocostovertebral Space
Boundaries:
Contents:
-
Boundaries
- Ant→ sternum
- Post→ spinal column
- Lateral→ first rib
-
Contents
- Roots of plexus
- Subclavian aa/vein, jugular vein, neck lymphs
- Apex of lung and pleura
- Sympathetic trunk
Scalene Triangle (Scalene Groove)
Boundaries
Contents
-
Boundaries
- Ant→ Ant Scalene
- Post→ Middle Scalene
- Base→ First rib
-
Contents
- Roots and Trunks of the plexus
- Subclavian aa
Costoclavicular Space
Boundaries
Contents
-
Boundaries
- Sup→ coracoid process
- Ant→ pec minor
- Post→ chest wall
-
Contents
- Cords of plexus
- Subclavian aa/vein
What is Thoracic Outlet Syndrome (TOS)?
Collection of disorders; describes patho condition of an anatomical space
TOS can include BOTH of these things:
- Subclavian aa and/or vein
- Brachial Plexus
TOS Subgroups
10%pts vs. 90%pts
-
10%
- Arterial vascular
- Venous vascular
- True neurologic
- Traumatic neurovascular
-
90%
- Disputed: MOST COMMON type of TOS pt
MOST COMMON type of TOS pt?
Disputed ~90%