| Question |
Answer |
| What type of bone is the clavicle? |
long bone |
| Where does the clavicle lie in the body? |
just above the first rib |
| What is the function of the clavicle? |
serves as a fulcrum for arm movements |
| What type of bone is the scapula? |
a flat bone |
| Where does the scapula lie in the body? |
superoposterior thorax between the 2nd and 7th ribs |
| Alternate name for the anterior surface of the scapula? |
costal |
| Where does the subscapularis muscle attach? |
subscapular fossa |
| Where does the anterior serratus muscle attach? |
the medial border of the anterior surface |
| Alternate name for the posterior surface of the scapula |
dorsal |
| What is the origin of the supraspinatus muscle? |
supraspinous fossa |
| What is the alternate name for the medial border of the scapula? |
vertebral |
| What is the alternate name for the lateral border of the scapula? |
axillary |
| Which tubercle on the humeral head is more anterior? |
lesser tubercle |
| The lesser tubercle serves as an insertion point for: |
the subscapular muscle |
| Which tubercle of the humeral head is on the lateral aspect? |
greater tubercle |
| What are the 2 names for the area between the greater and lesser tubercles of the humeral head? |
intertubercular or bicipital groove |
| How is the greater tubercle of the humeral head situated? |
It slopes posteriorly 25 degrees |
| Name the 3 muscle attachments of the greater tubercle of the humeral head |
supraspinatus, infraspinatus, teres minor |
| scapulohumeral joint type |
ball and socket |
| acromioclavicular joint type |
gliding |
| sternoclavicular joint type |
double gliding |
| what forms the sternoclavicular joint? |
cartilage of the first rib, manubrium, medial facet |
Ch.18 LTI-MA 509
