Anatom3DDorsal fascia of hand
Fascia dorsalis manus · Hřbetní povázka ruky
Fascia & connective tissue
Looks like
A thin layer of fascia over the tendons on the back of the hand.
What it does
Covers and holds the finger-straightening tendons on the back of the hand.
Keeping it well
A cut on the back of the hand may divide tendons under it; inability to straighten a finger needs a hand surgeon.