Distribution of deep fascia

Deep fascia

Definition: Deep fascia is a fascia, a layer of dense irregular connective tissue that wraps the neck, the limbs and body wall like a bandage or stocking 

It covers muscles, nerves, bone and blood vessel.

Important features of deep fascia:

·         It is devoid of fat

·         It is inelastic and tough

·         It has nerve supply and very sensitive structure.

·         It is a golden rule that when fascia approaches bone it becomes attached to it , blending with the covering periosteum

Distribution of deep fascia

Very well developed: 

1.       iliotibial tract of fascia lata

2.       palmar and planter aponeurosis

3.       flexor and extensor retinaculum

Well developed:

• In the limbs,  it forms tough &  tight sleeves
•  In the neck, it forms a collar.

So thin usually considered as absent:

·         Over the rectus sheath of abdomen

·         Over the trunk  except thoracolumbar fascia at the back of thorax & abdomen

Absent

·         Face except  parotid fascia

·         Ischioanal fascia