**Question:** Which of the following joint is a syndesmosis?

A. Ankle joint
B. Elbow joint
C. Shoulder joint
D. Wrist joint

**Core Concept:** A syndesmosis is a joint connection between two bones that is held together by fibrous connective tissue, primarily composed of collagen fibers. These joints are relatively stable and not easily dislocated.

**Why the Correct Answer is Right:** The correct answer, Ankle joint (A), is a syndesmosis because it is formed by the connection between the tibia and fibula bones, held together by the syndesmosis ligaments. These ligaments provide stability to the joint while allowing limited movement.

**Why Each Wrong Option is Incorrect:**

B. Elbow joint (B) is a synovial joint, not a syndesmosis, as it is held together by synovial fluid and cartilage, not fibrous connective tissue.
C. Shoulder joint (C) is also a synovial joint, similar to elbow joint. It is held together by synovial fluid and cartilage, not fibrous connective tissue.
D. Wrist joint (D) is a synovial joint, not a syndesmosis, as it is held together by synovial fluid and cartilage, not fibrous connective tissue.

**Clinical Pearl:** A thorough understanding of joint types is crucial for accurate diagnosis and treatment planning in clinical practice. Remember to differentiate between synovial, fibrous, and cartilaginous joints, as well as the specific characteristics of each type.

**Correct Answer:** Ankle joint (A) is a syndesmosis, specifically consisting of the connection between the tibia and fibula bones.