Which of the following muscles helps to support the medial collateral ligament when exposed to large valgus forces?

a. Brachioradialis
b. Flexor carpi ulnaris
c. Pronator quadrates
d. Anconeus

ANS: B
The humeral head of the flexor carpi ulnaris lies directly anterior to the anterior portion of the medial collateral ligament and can give significant reinforcement as a dynamic stabilizer to the elbow during valgus forces.