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what 7 bones form the upper extremity?
What 2 bones make up the pectoral girdle?
clavicle and scapula
(scapula) What is supraglenoid tubercle, infraglenoid tubercle, and coracoid process used for?
rougher area for muscle attachment
(scapula) Subscapular fossa
-costal surface, bc it is the surface that lies onto the ribs of the posterior thorax
(humerus)What is the intertubercular groove also known as?
*it contains the long head of the biceps brachia muscle
(humerus) What would happen if we do not have a radial fossa?
we would be unable to have full extension or flexion of the forearm
(humerus) What does the radial fossa allow us to do?
allows head of the radius to move into the fossa when forearm is flexed
(humerus) What does the capitulum articulate with?
with head of radius
(humerus) What is the medial epicondyle nickname?
(humerus) WHat is the coronoid fossa?
it allows the coronoid proces of the ulna to move into this area on forearm flexion
(humerus) Where does the head of humerus articulate?
(humerus) Why is the surgical neck called surgical neck?
this is the most common place where the humerus fractures
(humerus) What is the function of radial groove?
-groove for the radial nerve
*runs posteriorly to lateral
(humerus) Olecranon Fossa
-allows olecranon to extend into this depression on forearm extension
(ulna) olecranon process (2)
-fits onto the olecranon fossa upon extension
-forms the point of the elbow
(ulna) What does the trcohlea notch do?
hooks around the trochlea of the humeurs during flexion and extension
(ulna) Where does the coronoid process articulate?
fits onto the coronoid process on the humeus upon elbow flexion
(ulna) which 2 structures hook together to form trochlea notch?
olecranon process and coronoid process
(ulna) What is the ulnar notch?
slight depression whre ulna articulates with distal end of the radius
(radius) what is the radial notch?
is concave sructure where it articulates with the capitulum of the humerus
*it is a concave structure
(radius) What is the radial tuberosity?
is a bump that is roughen and used for insertion of biceps brachia tendon
what are the 3 types of bones on the hand?
What are the 8 bones of the hand?
What are the metacarpels?
bones of the palm of hands
What are the phalanges?
bones of the fingers
What are carpels?
bones of the wrist
Which phalange does not have a middle?
Which metacarpal is #1?
appendicualr skeleton: upper extremity