Which of the Following Is an Example of a Pivot

question 131

Multiple Choice

Which of the following is an example of a pivot joint

• A)atlanto-occipital
• B)atlanto-axial
• C)intervertebral
• D)vertebrocostal
• E)sacroiliac

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Definitions:

Olecranon Process

The prominent, pointed bone at the proximal end of the ulna, around which the elbow joint is formed.

Extension

A movement that increases the angle between two body parts, such as straightening a flexed knee.

Flexion

A movement decreasing the angle between two body parts, such as bending the arm at the elbow or the knee.

Extensor Carpi Ulnaris

A muscle located in the forearm that extends and adducts the wrist, playing a significant role in the movement of the hand and wrist.