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The joint of radio-ulna with the upper a...

The joint of radio-ulna with the upper arm is called a

A

Hinge joint

B

Pivot joint

C

Socket joint

D

None of these

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, "The joint of radio-ulna with the upper arm is called a," we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Bones Involved**: - The question mentions the "radio-ulna" which refers to the radius and ulna bones located in the forearm. The "upper arm" refers to the humerus bone. 2. **Determine the Joint in Question**: - The joint formed between the radius and ulna with the humerus is known as the elbow joint. 3. **Classify the Type of Joint**: - The elbow joint is classified as a hinge joint. Hinge joints allow movement primarily in one direction (flexion and extension) and are characterized by one bone fitting into a concave surface of another bone. 4. **Elucidate on Other Joint Types**: - While there are other types of joints such as pivot joints (like the joint between the radius and ulna) and ball-and-socket joints (like the shoulder and hip joints), they do not pertain to the joint between the radius and ulna with the upper arm. 5. **Conclude the Answer**: - Therefore, the joint of radio-ulna with the upper arm is called a hinge joint. ### Final Answer: The joint of radio-ulna with the upper arm is called a **hinge joint**. ---
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