Podcast
Questions and Answers
What is one primary function of deep fascia in the limbs?
What is one primary function of deep fascia in the limbs?
Which type of vertebrae is not part of the axial skeleton?
Which type of vertebrae is not part of the axial skeleton?
In which area of the body would you find fibrous flexor sheaths?
In which area of the body would you find fibrous flexor sheaths?
How many pairs of ribs are included in the axial skeleton?
How many pairs of ribs are included in the axial skeleton?
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What term describes the thickened areas of deep fascia that serve to retain tendons in place?
What term describes the thickened areas of deep fascia that serve to retain tendons in place?
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Which of the following is NOT part of the vertebral column?
Which of the following is NOT part of the vertebral column?
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Study Notes
Functions of Deep Fascia
- Deep fascia invests deeper structures and binds them to bones.
- It provides origins or insertions for some muscles.
- In limbs, it sends fibrous intermuscular septa that attach to bones, forming muscular compartments.
- Around distal joints (e.g., ankle and wrist), it thickens to form retinaculae, acting as retention bands to keep tendons in position.
- In fingers and toes, tendons are fixed by fibrous flexor sheaths.
- Deep fascia is thickened in certain sites for protection, such as palmar aponeurosis in the palm of the hand and plantar aponeurosis in the sole of the foot.
The Skeleton
Overview
- The human skeleton consists of two main parts: axial skeleton and appendicular skeleton.
Axial Skeleton
- The axial skeleton includes the skull, ribs, sternum, and vertebral column.
- The vertebral column is formed of superimposed vertebrae separated by intervertebral discs.
- There are 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, 5 sacral vertebrae (fused to form sacrum), and 3-5 coccygeal vertebrae (fused to form coccyx).
Appendicular Skeleton
- The appendicular skeleton includes the bones of the upper limb and the shoulder girdle (which connects the limb to the axial skeleton).
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Description
This quiz covers the functions of deep fascia, including its role in investing deeper structures, muscle attachments, and formation of muscular compartments.
