When Walking, a Person's Left Pelvis Is Noted to Drop

Multiple Choice

When walking, a person's left pelvis is noted to drop downward in the frontal plane when standing only on the right leg as the left leg swings forward.Weakness in which of the following muscle groups is MOST LIKELY to result in this pelvic movement?

A) Right hip flexors
B) Right hip abductors
C) Left hip flexors
D) Left hip abductors