Sprain is caused due to stretching of

Options

A. Tendon
B. Ligament
C. Muscle
D. Nerve

Explanation

**Step-by-Step Solution:**

1. **Understanding the Definition of Sprain:**
- A sprain is defined as an injury that occurs when ligaments, which are the connective tissues that connect bones at a joint, are stretched or torn.

2. **Identifying the Structures Involved:**
- The question provides four options: tendon, ligament, muscle, and nerve. We need to identify which of these structures is related to sprains.

3. **Analyzing the Role of Ligaments:**
- Ligaments are responsible for stabilizing joints. When a joint is twisted or stretched beyond its normal range of motion, the ligaments can become overstretched or torn, leading to a sprain.

4. **Evaluating Other Options:**
- Tendons connect muscles to bones and are not primarily involved in sprains.
- Muscles are responsible for movement and do not directly relate to the injury of a sprain.
- Nerves transmit signals but are not involved in the structural integrity of joints in the context of sprains.

5. **Conclusion:**
- Based on the analysis, the correct answer is that a sprain is caused due to the stretching of ligaments.

**Final Answer:**
- Sprain is caused due to stretching of **ligament**.

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