Scapula and Shoulder region Flashcards
Name the 4 spaces around the posterior aspect of the sacpula region.
- Quadrangular space
- Upper/Medial Triangular space
- Triangular Interval/Inferior triangular space
- Triangle of Ausculation
State the borders and contents of the medial triangular space.
Medial border: teres minor lower border
Lateral border: triceps long head medial border
Inferior border: teres major upper border
Contents: circumflex scapular vessels
What are the contents of the inferior triangular space?
- Radial nerve
2. Profunda brachii vessels
State the boundaries of the triangle of ausculation.
Medial border: trapezius lateral border
Lateral border: scapula medial border
Inferior border: lattisimus dorsi upper border
Which nerve is also called the middle subscapular nerve? Which muscle does it innervate?
Thoracodorsal nerve(C6-C8) –> Latissimus Dorsi
State the articulating surfaces of the scapulothoracic joint.
Anterior surface of scapula + Posterior surfaces of ribs 2-7
Which joint connects the scapula and clavicle to the axial skeleton?
The sternoclavicular joint
Which ligament converts the superior notch of the scapula into a foramen?
Superior transverse scapular ligament
Which structures pass through the superior notch of the scapula? And which structures pass on top of it?
Suprascapular N. (C5-C6) passes through.
Suprascapular/Transverse scapular vessels pass on top
The SUPRASCAPULAR NOTCH is another name for which notch of the scapula?
The superior notch
The great scapular notch, between supraspinatous and infraspinatous fossae, is converted into a foramen by which ligament?
Inferior transverse scapular ligament
What is another name for the great scapular notch?
Spinoglenoid notch
Which structures pass through the spinoglenoid notch?
Suprascapular nerve and Suprascapular vessels
State the 5 muscles that attach the scapula to the vertebral column.
(Superficially) 1. Trapezius 2. Latissimus Dorsi (Deep layer) 3. Levator scapulae 4. Rhomboideus Major 5. Rhomboideus Minor
