Median nerve supplies all muscles of the thumb except -
Median nerve supply in hand
-        Flexor pollicis brevis
-        Opponens pollicis
-        Abductor pollicis brevis
First two lumbricals
Adductor pollicis is supplied by Ulnar nerve
Abductor-pollicis-brevis
Flexor-pollicis-brevis
Opponens pollicis
Adductor pollicis