III. Antebrachium (The Thoracic Limb) Flashcards
which is shorter? radius or ulna?
Radius
___ _ __ cross each other obliquely so that the proximal end of the ulna is medial and the distal end of the ulna is lateral to the radius
Radius and Ulna
convex, attachment for supinator muscle (radius)
Cranial surface
concave, presents interosseous border (radius)
Caudal surface
the _____ ___ unites the radius and ulna
proximally
Interosseous ligament
two articulation (ulna)
proximal and distal
Proximal (ulna, 2)
humerus (trochlear notch)
radius (radial notch)
Distal (ulna, 3)
radius (ulnar notch)
ulnar carpal
acc. carpal bones
*proximal extremity of ulna
serves as lever arm or tension process for the powerful extensor muscles of the elbow joint
Olecranon
*Ulna
is a half-moon shaped concavity facing cranially
trochlear notch or semilunar notch
is located proximal to trochear notch which fits in the olecranon fossa of the humerus.
anconeal process