A 53-year-old man complains to his family physician of cramping, twitching, and weakness in his lower limbs. The man states that the weakness in his lower limbs has progressively worsened over the past 4 months, making it difficult for him to climb stairs and stand from a seated position. He has also begun to notice that his upper limbs have become weak. What is the most likely cause of this patient's weakness?

Question

Quizplus · Accepted Answer

Amyotrophic lateral sclerosis (ALS) is characterized by progressive weakness due to the degeneration of both upper and lower motor neurons, which matches the symptoms described.

A 53-Year-Old Man Complains to His Family Physician of Cramping