Card test done for
a) Lumbricals
b) Dorsal interossei
c) Palmar interossei
d) Adductor pollicis
Answer: Palmar interossei
Explanation:
Card test is for palmar interossei of the finger and tested by placing a piece of paper between fingers and seeing how firmly it can be held.
First dorsal interossei can be separately examined by asking the patient to abduct the index finger against the resistance.