Uploaded January 2022 | Updated September 2026, 1 week ago

---

🌐 Website: taimtalksmed.com
🫀 Help keep this content free: youtube.com/channel/UCEr7pkSXVsHcBLLBcJAGV-Q/join
🔬 Get 10% off anatomy lab models (affiliate link): https://anatomywarehouse.com?aff=34

📲 Other Links:
Instagram: instagram.com/taimtalksmed
Discord: discord.com/invite/DENMUpS8ey

Content
0:00 Introduction
0:10 What is a Fascia?
2:07 Content
2:22 Fascia of the Shoulders
2:58 Fascia of the Arm
4:26 Fascia of the Forearm
6:00 Fascia of the Hand


Fascia Functions:
- Stabilizes and separates muscles from other internal organs
- Form compartments
- Passage for Nerve, Blood vessels and lymph
- Storage medium for fat and water
- Three types of Fascia:
○ Superficial Fascia
○ Deep Fascia
○ Visceral Fascia

Fascia of the Shoulder
- Deltoid Fascia
- Pectoral Fascia
- Infraspinatus Fascia
- Supraspinatus Fascia
Fascia of the Arm
- Brachial Fascia
fascia brachii
○ Medial Intermuscular Septa
septum intermusculare mediale
○ Lateral Intermuscular Septa
septum intermusculare laterale
○ Deep Lamina
lamina profunda
○ Flexor Compartment
○ Extensor Compartment
○ Vagina Osteofibrosa Extensorum
§ Triceps Muscle
○ Vagina Osteofibrosa Flexorum
§ Coracobrachialis
§ Brachialis
○ Vagina Fibrosa Flexorum
§ Biceps Brachii
Fascia of the Forearm
- Antebrachial Fascia
fascia antebrachii
- Deep Lamina
lamina profunda
- Posterior Intermuscular Septum
septum intermusculare posterior
- Anterior Intermuscular Septum
septum intermusculare anterior
- Lateral Compartment
- Posterior Compartment
- Anterior Compartment
- Interosseous Membrane
- Vagina Osteofibrosa Lateralis
○ Extensor Carpi Radialis Brevis
○ Extensor Carpi Radialis Longus
○ Brachioradialis
- Vagina Osteofibrosa Posterior
○ Extensor Digitorum
○ Extensor Digiti Minimi
○ Extensor Carpi Ulnarus
○ Abductor Pollicis Longus
- Vagina Osteofibrosa Anterior
○ Flexor Digitorum Profundus
○ Flexor Pollicis Longus
- Vagina Fibrosa Antebrachii
○ Pronator Teres
○ Flexor Carpi Radialis
○ Flexor Digitorum Superficialis
○ Flexor Carpi Ulnaris
Fascia of the Hand
- Flexor Retinaculum
retinaculum musculorum flexorum
- Extensor Retinaculum
retinaculum musculorum extensorum
- Palmar Aponeurosis
aponeurosis palmaris
- Superficial Dorsal Fascia
fascia dorsalis superficialis
- Dorsal tendinous sheaths
• 1 Tendinous sheath of abductor pollicis longus and extensor pollicis brevis
(vagina tendinum musculorum abductoris pollicis longi et extensoris pollicis brevis)
• 2 Tendinous sheath of extensores carpi radiales
(vagina communis tendinum musculorum extensorum carpi radialium)
• 3 Tendinous sheath of extensor pollicis longus
(vagina tendinis musculi extensoris pollicis longi)
• 4 Tendinous sheath of extensor digitorum and extensor indicis
(vagina tendinum musculorum
extensoris digitorum et extensoris indicis)
• 5 Tendinous sheath of
extensor digiti minimi
(vagina tendinis musculi
extensoris digiti minimi)
• 6 Tendinous sheath of
extensor carpi ulnaris
(vagina tendinis musculi
extensoris carpi ulnaris)
- Carpal Canal (Canalis Carpi)
1 Tendinous sheath of flexor carpi radialis
(vagina tendinis musculi flexoris carpi radialis)
• 2 Tendinous sheath of flexor pollicis longus
(vagina tendinis musculi flexoris pollicis longi)
• 3 Common flexor sheath
(vagina communis tendinum musculorum flexorum)
– the common sheath for the flexor digitorum
superficialis and flexor digitorum profundus
– usually continues as the tendinous
sheath of the little finger
3.1 Middle carpal sac (saccus carpi medius)
– the widened part of the common flexor sheath
- Ulnar Canal (Canalis Ulnaris) / Guyon's canal
5 Ulnar artery
• 6 Ulnar veins
• 7 Ulnar nerve