22: UE Fascia

Question 1

Fascia over pectoralis major M

Answer 1

Pectoral fascia

Question 2

Fascia in the floor of the axilla

Answer 2

Axillary fascia

Question 3

Fascia deep to pectoral fascia

Answer 3

Clavipectoral fascia

Question 4

Two areas of the clavipectoral fascia

Answer 4

1. Costocoracoid membrane

2. Suspensory L of the axilla

Question 5

Costocoracoid membrane

Answer 5

Clavipectoral fascia between subclavius + pec minor

Question 6

Suspensory L of the axilla

Answer 6

Clavipectoral fascia between pec minor + axillary fascia

Question 7

Fascia over deltoid M

Answer 7

Deltoid fascia

Question 8

Fascia over supraspinatus M

Answer 8

Supraspinous fascia (is extremely dense)

Question 9

Fascia over infraspinatus M

Answer 9

Infraspinous fascia (is extremely dense)

Question 10

Fascia in arm and forearm

Answer 10

Arm: brachial fascia
Forearm: antebrachial fascia

Question 11

Two intermuscular septa in brachium that extend from brachial fascia

Answer 11

Medial and lateral intermuscular septa

Question 12

Three types of antebrachial fascia

Answer 12

1. Extensor retinaculum
2. Flexor retinaculum
3. Palmar carpal L

Question 13

Synovial tendon sheaths in the extensor retinaculum

Answer 13

Sheaths surrounding long extensor tendons of forearm as they pass beneath extensor retinaculum

Question 14

Palmar carpal L

Answer 14

Anterior transverse focal thickening of antebrachial fascia, continuous with extensor retinaculum

Question 15

Other name for flexor retinaculum

Answer 15

Transverse carpal L

Question 16

Common flexor sheath in flexor retinaculum

Answer 16

One large synovial sheath surrounds long tendons of the flexor digitorum superficialis and profundus M to reduce friction

Question 17

What is the palmar aponeurosis continuous with?

Answer 17

Palmaris longus T.

Question 18

Where is the superficial transverse metacarpal L?

Answer 18

Base of palmar aponeurosis

Question 19

Retinacula cutis

Answer 19

Many small ligs extending from palmar aponeurosis to skin -> restricts palmar skin movement

Question 20

Medial fibrous septum of palmar aponeurosis

Answer 20

Extends dorsally to 5th metacarpal, separates hypothenar compartment + central compartment

Question 21

Lateral fibrous septum of palmar aponeurosis

Answer 21

Extends dorsally to 3rd metacarpal, separates thenar compartment + central compartment

Question 22

Dupuytren’s contracture: what causes it

Answer 22

Shortening, thickening, and fibrosis of palmar aponeurosis and palmar fascia

Question 23

Dupuytren’s contracture: what it causes

Answer 23

Partial flexion of 4th and 5th digits

Question 24

Five compartments of the hand

Answer 24

1. Hypothenar
2. Central
3. Thenar
4. Adductor
5. Interosseous

Question 25

Four things found in the central compartment of the hand

Answer 25

1. Flexor tendons 2. Lumbricals 3. Superficial palmar arterial arch 4. Digital vessels and nerves

Question 26

What muscle is in the adductor compartment of the hand?

Answer 26

Adductor pollicis M

Question 27

Where is the interosseous compartment of the hand?

Answer 27

Between metacarpal bones

Question 28

What is in the interosseous compartment of the hand?

Answer 28

Interossei muscles