opisthenar

Etymology
From.

Noun

 * 1)  The back of the hand.
 * 2) * 2002, Taisto Manninen et al., "Handgrip for a Skiing, Walking or Skating Pole and Handstrap Fastened to the Same" (U.S. patent application), abstract:
 * The handstrap includes an opisthenar-surrounding strap portion (3) which attaches to a handgrip (1) by way of transmission straps (4, 5) extending under the palm and thumb.
 * 1) * 2002, Taisto Manninen et al., "Handgrip for a Skiing, Walking or Skating Pole and Handstrap Fastened to the Same" (U.S. patent application), abstract:
 * The handstrap includes an opisthenar-surrounding strap portion (3) which attaches to a handgrip (1) by way of transmission straps (4, 5) extending under the palm and thumb.