Fill in the blank
The bones at the elbow are joined by a __________ joint.

Explanation

To fill in the blank for the question: "The bones at the elbow are joined by a __________ joint," we can follow these steps:

1. **Identify the Joint Type**: Understand the type of joint that connects the bones at the elbow. The elbow joint is known for its specific movement capabilities.

2. **Recall Joint Characteristics**: The elbow joint is classified as a hinge joint. Hinge joints allow for movement in one direction, similar to how a door opens and closes.

3. **Define the Movement**: Recognize that the hinge joint at the elbow permits two main movements: flexion (bending) and extension (straightening) of the forearm.

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