A Patient Has Muscle Spasms and Acute Low Back Pain

A patient has muscle spasms and acute low back pain. An appropriate nursing intervention for this problem is to teach the patient to

A) avoid the use of cold because it will exacerbate the muscle spasms.
B) keep both feet flat on the floor when prolonged standing is required.
C) keep the head elevated slightly and flex the knees when resting in bed.
D) twist gently from side to side to maintain range of motion in the spine.