A 45-year-old man working as a secretary visits the doctor’s clinic complaining of tingling and numbness in his hands. Upon conducting a physical examination, the doctor finds that the patient also has decreased sensation in all his fingers, except for the fifth digit. Keeping these in mind, which of the following muscles is usually weakened in patients suffering from this condition?
A- Adductor pollicis
B- Dorsal interossei
C- Lumbricals
D-Opponens pollicis