Pectoralis Major Rupture - Repair

Question 1

Pec major origin

Answer 1

sternum
ribs
clavicle

Question 2

Pec major insertion

Answer 2

lateral intertubercular groove on humerus

Question 3

Pec major action

Answer 3

adduction

IR

Question 4

Pec major innervation

Answer 4

medial and lateral pectoral nerves

Question 5

Quadrangular space borders

Answer 5

Superior: teres minor
Inferior: teres major
Medial: long head of triceps
Lateral: humerus

Question 6

Quadrangular space contents

Answer 6

axillary nerve

posterior humeral circumflex artery

Question 7

Triangular space borders

Answer 7

Superior: teres minor
Inferior: teres major
Lateral: long head of triceps

Question 8

Triangular space contents

Answer 8

circumflex scapular artery

Question 9

Triangular interval borders

Answer 9

Superior: teres major
Medial: long head of triceps
Lateral: lateral head of triceps/humerus

Question 10

Where is the triangular space located in relation to the quadrangular space?

Answer 10

medial

Question 11

Where is the triangular interval located in relation to the quadrangular space?

Answer 11

inferior

intervAL is distAL