Copy 5 Flashcards
Where is a faint spiral groove found on the humerus?
A faint spiral groove is visible on the posterior aspect of the humeral shaft
What originates on either side of the spiral groove?
The medial and lateral heads of triceps originate on either side of this groove.
Where does the radial nerve pass?
The radial nerve passes between the two heads of triceps.
How does the ulnar nerve travel in relation to the medial epicondyle?
The ulnar nerve winds forwards in a groove behind the medial epicondyle.
What does the trochlea of the humerus articulate with at the elbow joint?
At the elbow joint
What does the rounded capitulum of the humerus articulate with?
The rounded capitulum articulates with the radial head.
How does the medial border of the trochlea compare to the lateral border?
The medial border of the trochlea projects inferiorly a little further than the lateral border.
What is the carrying angle?
The carrying angle is the slight lateral angle made between the arm and forearm when the elbow is extended.
What is the shape of the clavicle?
The clavicle is a curved bone that is medially convex anteriorly and laterally concave anteriorly.
What are the surface characteristics of the clavicle?
The clavicle has a smooth superior surface and a roughened inferior surface with expanded medial and flattened lateral ends.
