4.5. Fascia of the Hand Flashcards Preview

MBChB - Y3 - MSK Upper Limb Anatomy > 4.5. Fascia of the Hand > Flashcards

Flashcards in 4.5. Fascia of the Hand Deck (11)
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1
Q

What does the Palmar Fascia Consist of?

A

Fibrous Connective Tissue

2
Q

Where does the Palmar Fascia Thicken?

A

In the Centre of the Hand

3
Q

What is the Thickening of the Palmar Fascia known as?

A

Palmar Aponeurosis

4
Q

What is the Palmar Aponeurosis continuous with?

A
  1. Palmaris Longus Tendon

2. Flexor Retinaculum

5
Q

What is the function of the Palmar Aponeurosis?

A

Protection of the Underlying Muscle Compartments

6
Q

What happens to the Palmar Aponeurosis as it travels Distally?

A

It Fans out into 4 Digital Rays

7
Q

What do the 4 Digital Rays of the Palmar Aponeurosis become?

A

Fibrous Digital Sheaths

8
Q

What do the Fibrous Digital Sheaths cover?

A

Synovial Sheaths in the Digits

9
Q

What do the Synovial Sheaths in the Digits contain?

A

Flexor Tendons

10
Q

What is the function of the Fibrous Digital Sheaths?

A

It Keeps the Flexor Tendons in Place, Preventing Bowstring

11
Q

What is the result of the Fibrous Digital Sheaths preventing Bowstring?

A

By Maintaining the Tension in the Tendons, Movements are Performed as Efficiently and as Accurately as Possible

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