4.5. Fascia of the Hand Flashcards
What does the Palmar Fascia Consist of?
Fibrous Connective Tissue
Where does the Palmar Fascia Thicken?
In the Centre of the Hand
What is the Thickening of the Palmar Fascia known as?
Palmar Aponeurosis
What is the Palmar Aponeurosis continuous with?
- Palmaris Longus Tendon
2. Flexor Retinaculum
What is the function of the Palmar Aponeurosis?
Protection of the Underlying Muscle Compartments
What happens to the Palmar Aponeurosis as it travels Distally?
It Fans out into 4 Digital Rays
What do the 4 Digital Rays of the Palmar Aponeurosis become?
Fibrous Digital Sheaths
What do the Fibrous Digital Sheaths cover?
Synovial Sheaths in the Digits
What do the Synovial Sheaths in the Digits contain?
Flexor Tendons
What is the function of the Fibrous Digital Sheaths?
It Keeps the Flexor Tendons in Place, Preventing Bowstring
What is the result of the Fibrous Digital Sheaths preventing Bowstring?
By Maintaining the Tension in the Tendons, Movements are Performed as Efficiently and as Accurately as Possible