Cervical Body Spaces

Question 1

Name the 3 body spaces

Answer 1

Anterior triangle
Posterior triangle
Thoracic outlet

Question 2

What are the 3 borders of the anterior triangle

Answer 2

Sternocleidomastoid
Anterior midline of neck
Lower border of mandible

Question 3

Contents of the anterior triangle

Answer 3

Vessels (carotid)
Nerves (cranial & cervical)
Muscles (supra- & infrahyoid)

Question 4

Borders of the posterior triangle

Answer 4

Anterior margin of trapezius
Posterior margin of Sternocleidomastoid
Middle 1/3 of clavicle

Question 5

Contents of the posterior triangle

Answer 5

Vessels (subclavian artery, jugular vein)
Nerves (spinal accessory nerve 6, cervical and brachial plexus)
Muscles (scalenes, levator scapulae, Splenius capitis)

Question 6

Name the 3 areas of the thoracic outlet

Answer 6

Interscalenes triangle
Costoclavicular triangle
Subcoracoid space

Question 7

Explain where each of the 3 areas of the thoracic outlet are located

Answer 7

Interscalenes triangle
- anterior & middle scalenes
- 1st rib

Costoclavicular triangle
- clavicle, 1st ribs & upper scapula

Subcoracoid space
- coracoid process, pec minor tendon & ribs 2-4

Question 8

What’s the contents of the thoracic outlet

Answer 8

Brachial plexus
Subclavian artery
Subclavian vein