Which Action by the Nurse Demonstrates Correct Technique for Repositioning

Which action by the nurse demonstrates correct technique for repositioning the patient in bed?

A) The nurse's knees are kept stiff to enhance lifting strength potential.
B) The nurse's abdominal muscles are relaxed to prevent back injury.
C) The nurse's pelvis is tucked inward to maintain balance during the procedure.
D) The nurse's torso twists with the patient to facilitate upper extremity muscle use.