the Human Body / anatomy-of-the-human-hand
Facts about Anatomy of the Human Hand
- 05
Sensory innervation of the hand is supplied by three major nerves: the median, ulnar, and radial nerves.
- 04
Intrinsic muscles of the human hand, including the lumbricals and interossei, originate and insert entirely within the hand itself.
- 03
Opposable thumbs in the human hand are enabled by the saddle joint at the carpometacarpal joint, allowing rotation and wide range of motion.
- 02
Each finger is controlled by two sets of muscles and tendons called flexors and extensors, enabling precise gripping and fine motor movements.
- 01
The human hand contains 27 bones, divided among the carpals, metacarpals, and phalanges.