Paula Finds That If She Focuses on Directing Blood Flow

Paula finds that if she focuses on directing blood flow toward the muscles in her neck and head, she can often reduce the severity of her tension headaches.Paula is using:

A) progressive muscle relaxation to cope with her tension headaches
B) biofeedback to cope with her tension headaches
C) general muscle activation to cope with her tension headaches
D) autogenic relaxation to cope with her tension headaches