part 2 exam gross

• lateral- 1st rib and costal cartilage
• anterior medial- Manubrium
• posterior medial- body of T1

• -Trachea
• -Esophagus

• Inferior hyoid muscles (only those with origin in the sternum
• (sternohyoid, sternothyroid, omohyoid)
• Pre-vertebral Muscles
• (Longus capitis, Longus Colli)
• Scalene muscles
• (anterior and middle)

Flexes the neck

Antecollis- In Parkinson's patients pre-vertebral muscles become stretched and head hangs forward.

Apex of the lung 2-3 cm above the middle 3rd of clavicle.

Cervical pleura "copula"- part of the pleura that extends into the root of neck

Vertebral artery triangle

Inter scalene triangle

• anterior border is the anterior
• scalene muscle, posterior border is the middle scalene and inferiorly is the 1st rib.

• Borders
• Lateral-anterior scalene
• Medial longus coli
• Inferior-superior surface of subclavian artery

root of the brachial plexus

Subclavian artery (not the subclavian vein which is in the muscular triangle)

Vertebral artery (medial to anterior scalene)

• VIT      C&D
• D-SIT   C-DS
• V-vertebral artery
• I-Internal thoracic artery
• T-Thyrocervical trunk
•    S-suprascapular artery
•    I-inferior thyroid artery
•    T-transverse cervical artery
• C-costocervical trunk
•    D-deep cervical artery
•    S-superior intercostal artery
• D-dorsal scapular artyer

• Internal jugular
• subclavian vein
• external jugular