Deep fascia

Fascia profunda · Hluboká fascie

Fascia & connective tissue

Looks like

Tough, sheet-like wrappings of dense fibres around muscles and groups of muscles, like cling film.

Holds muscles in place, divides limbs into compartments and passes force between them.

After a fracture or crush, swelling trapped inside a compartment can cut off blood: severe pain on stretching the muscle is an emergency.