A 64-Year-Old Man Comes to the Office Due to Progressive

A 64-year-old man comes to the office due to progressive low back pain for the past several months that is beginning to interfere with his job.  The patient describes pain in the lower back and buttocks, which worsens with prolonged standing or walking and improves with lying down.  He also has occasional sharp, shooting pain that radiates down his right leg.  The patient works as a greeter for a local supermarket and was recently given a written warning for taking too many breaks during his shift.  He has a history of hypertension and osteoarthritis.  Spine imaging reveals degenerative joint changes and a large osteophyte compressing the spinal nerve root exiting through the right neural foramen between the L5 and S1 vertebrae.  Which of the following examination findings is most likely present in this patient due to the nerve lesion?

A) Decreased knee reflex
B) Decreased rectal tone
C) Sensory loss in inguinal region
D) Weakness of foot dorsiflexion
E) Weakness of hip flexion

Correct Answer:

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