This section is from the book "Applied Anatomy: The Construction Of The Human Body", by Gwilym G. Davis. Also available from Amazon: Applied anatomy: The construction of the human body.
The hand is supplied by the median, ulnar, and radial (musculospiral) nerves. They are of clinical importance on account of the paralysis of the muscles or disturbance of sensation which accompany their injury (Fig. 374).
Outer head of flexor brevis.
First and second lumbricales.
To all the rest of the hand muscles.
Abductor minimi digiti.
Flexor brevis minimi digiti.
Opponens minimi digiti.
Adductor transversus and obliquus pollicis.
Inner head of flexor brevis pollicis.
Two inner lumbricales.
All the interossei.
Entire radial side of the palm over to the middle of the ring finger and the groove at the wrist between the thenar and hypothenar eminences.
Ulnar side of the little finger, and adjacent sides of little and ring fingers and hypothenar eminence. The adjacent branches of the ulnar and median nerves anastomose.
Ulnar side of thumb and matrix of nail. Distal.half of the index and middle fin-gers and distal half of the radial side of the ring finger.
Both sides of the little finger and ulnar side of ring finger.
Both sides of thumb as far as the nail, anastomosing with the median on the ulnar side. Proximal half of the index and, with the ulnar, the proximal half of the middle and radial side of the ring finger.
Fig. 373. - the deep palmar arch.
Fig. 374. - Showing the distribution of the nerves of the back of the hand.