61 out of 102
An 83-year-old man has trouble walking. At his physician's office, he is asked to stand on his right foot and his left hip drops. Which of the following nerves is most likely damaged, causing his problem (LQ)
|A||Left inferior gluteal|
|B||Left superior gluteal|
|C||Right inferior gluteal|
|D||Right superior gluteal|
Ans. D Right superior gluteal In this patient, the right superior gluteal nerve is damaged, leading to failure of abductor mechanism of gluteus medius. There is also the failure of muscle to cause an upward lift of left hip, when the patient is asked to stand on his right foot.
Normally the superior gluteal nerve leads to pelvic stability while a person stands on a single foot, by elevating the opposite hip- the job being performed by gluteus medius