Lecture 3 Shoulder and axilla

Question 1

Explain how the shoulder girdle connects the UE to the axial skeleton

Answer 1

The shoulder is connected via the Stenclavicular joint which is saddle shaped

as well as the Acromioclavicular joint

Question 2

Describe the three joints of the shoulder

SC Joint Movement and associated ligaments

Answer 2

Elevation and depression in the vertical joint

Retraction and protraction in the AP plane

Forms the jugular notch with the inter clavicular ligament over

Question 3

AC joint movements and ligaments

Answer 3

Retraction and protraction

Coracoclavicular ligament(Trapezoid and conid)

Question 4

Type 1 dislocation

Answer 4

Strech of AC Joint

Question 5

Type 2 Shoulder separation

Answer 5

AC joint torn but CC ligament stable

Question 6

Type 3 seperation

and clinical presentation

Answer 6

AC joint and CC ligament are separated.

Bulge of dislocated clavicle

Question 7

Define the boundaries and list the contents of the axilla(rotator cuff)

Answer 7

SITS

Suprapsinatus
Suprascapular
tres minor
subsacpularis

Question 8

Draw the brachial plexus

Question 9

Discuss the 5 major nerve branches of the Brachial plexus

Answer 9

MARMU