During an examination of the abdomen in a patient with right lower quadrant pain the advanced practice registered nurse (APRN) checks for a positive psoas sign. How is this test performed?

Press on the right lower quadrant and ask the patient to say where the pain is worse.

Press on the left lower quadrant and ask the patient to say where the pain is worse.

Ask the patient to raise their thigh against resistance from the APRNSA hand.

Flex the patient's right thigh and with the knee bent rotate the leg internally at the hip.