Pectoral region Flashcards
The costocoracoid ligament extends from the 1st rib’s costochondrol junction to the coracoid process. From which fascia does it form?
Clavipectoral fascia
State the structures that pierce the clavipectoral fascia.
Lateral pectoral nerve
Thoracoacromial artery
Cephalic vein
Breast lymphatics
Which head of the Pectoralis major flexes the humerus? extends the humerus?
The clavicular head flexes.
The sternocostal head extends.
State the innervation of the pectoral region muscles (4) ?
Pectoralis Major - Medial (C8-T1) and Lateral (C5-C7) pectoral nerves
Pectoralis Minor - Medial Pectoral N. (C8 - T1)
Subclavius - Nerve to Subclavius (C5 - C6)
Serratus anterior - Long Thoracic N (C5 - C7)
Which structures run in the deltopectoral groove?
Cephalic vein
At which point is the coracoid process most easily palpated?
Deltopectoral groove
Name the only two muscles of the upper limb that are supplied by all five spinal segments of the brachial plexus.
Pectoralis Major and Minor
What is the key muscle of the axilla?
Pectoralis minor
Which muscle is the BOXER’S MUSCLE?
Serratus anterior
What are the contents of the deltopectoral/clavipectoral triangle?
Cephalic vein
Deltoid branch of thoracoacromial artery
The following forms the roof of the clavipectoral triangle
a) Pectoral fascia
b) Clavipectoral fascia
c) Axillary fascia
d) Deltopectoral fascia
d) Deltopectoral fascia
True or false: The deltoid artery lies lateral to the cephalic vein.
TRUE
