Bones and Intro 2 Flashcards
What divides the head from the tubercles in the humerus?
Anatomical Neck
What scapula overlays what ribs?
2nd through 7th ribs
What two prominent features does the humerus have?
Deltoid tuberosity laterally and radial groove (for radial nerve, spiral groove) posteriorly for the radial nerve and profunda brachii artery
The distal end of the humerus makes up the condyle of the humerus has what structures?
Trochlea, Capitulum, Olecranon, Coronoid (Ulna)
What are the two articular surfaces on the humerus?
Lateral Capitulum and a medial trochlea
What is the stabilizing bone of the forearm?
Ulna
Which two projections form walls of the trochlear notch?
Olecranon process and Coronoid process
The ulna does not articulate directly with carpal bones. It is separated by what structure?
Fibrocartilaginous articular disc
Which forearm styloid process is larger?
Radial is larger and extends further distally
What are the four bones in proximal row of carpals
Scaphoid, Lunate, Triquetrum, Pisiform
What is the boat-shaped bone of the carpal?
Scaphoid
What is the moon-shaped bone that is broader anteriorly than posteriorly?
Lunate
What is a pyramidal bone on the medial aspect of the carpus?
Triquetrum
What is a small, pea-shaped bone on the palmar surface of the triquetrum?
Pisiform
From lateral to medial, the four bones of the distal row of carpals are?
Trapezium, Trapezoid, Capitate, Hamate
