To better understand a hand
sprain, it helps to understand the anatomy of the hand.
The anatomy of the hand includes:
- Bones:
- Phalanges or finger bones (14)
- Metacarpal bones:
- Articulate with the phalanges (5)
- Carpal bones:
- Articulate with the wrist (8)
- Blood vessels
- Nerves:
- Carry information to and from the brain
- Ligaments:
- Strong bands that hold the joints together
- Tendons:
- Strong bands that attach muscles to bones.
- When a muscle tightens, the tendon pulls on a bone causing an area to move.
- Muscles:
- Cause movement by pulling on tendons.
- Skin and nails
