Which of the following structures is the primary stabilizer of elbow to valgus stress between 20 ° and 120 ° flexion?
a. Quadrate ligament
b. Oblique cord
c. Annular ligament
d. Medial collateral ligament
ANS: D
The anterior portion of the medial collateral ligament is considered to be the primary stabilizer of the elbow to valgus stress from 20 ° to 120 ° of flexion.
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