Brachial fascia
Fascia brachii · Pažní povázka
Fascia & connective tissue
Looks like
The deep connective tissue sleeve of the upper arm, continuing into the forearm.
What it does
Encloses the biceps and triceps compartments.
Keeping it well
After a crush or fracture, severe arm pain out of proportion to the injury may be compartment syndrome: an emergency.