Review Question - QID 211347

A 35-year-old secretary from a small mid-Atlantic paper product distributor has numbness and tingling in her ulnar two digits for the last 7 years, particularly when she is at work. At work, she often has to keep her elbows in a flexed position while typing for long periods of time. She has tried night splints and some ergonomic changes at work, which have not benefited her. She is referred to your clinic and you order electrodiagnostic studies, which demonstrate objective evidence of cubital tunnel syndrome. Which of the following findings may be seen on her nerve conduction studies?