Skeleton of the Pectoral Girdle Flashcards
The Skeleton of the pectoral girdle allows for a __________ range of motion at the cost of ____________
large, stability
What part(s) of the pectoral girdle skeleton attach to the axial skeleton
clavicle
What forms the sternoclavicular joint?
sternal end of the clavicle articulating with the manubrium of the sternum
What forms the acromioclavicular joint
acromial end of the clavicle articulating with the acromion of the scapula
What part of the clavicle attaches the coracoclavicular ligament complex?
conoid tubercle and trapezoid line
What part of the clavicle attaches the costoclavicular ligament?
costal tuberosity
what does the costoclavicular ligament attach?
1st rib and cartilage to the costal tuberosity of clavicle
What does the coracoclavicular ligament attach?
coracoid process of scapula to the conoid tubercle and trapezoid line of the clavicle
What muscles come off of the medial border of the scapula?
rhomboids (major and minor)
levator scapulae
serratus anterior
what muscles come off of the lateral border of the scapula
teres major and minor
What muscles come off of the coracoid process of the scapula?
coracobrachialis
Biceps Brachii (short head)
pectoralis minor
coracoclavicular ligament
coracoacromial ligament
What does the glenoid fossa of the scapula articulate with at the shoulder joint?
humerus
What does the subscapular fossa house?
subscapularis
where does the acromion articulate with the clavicle?
acromioclavicular joint
What are the 3 angles of the scapula?
superior
inferior
lateral
