Give the scientific term for a single contraction of a muscle.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the scientific term that describes a single contraction of a muscle.

2. **Identifying Muscle Contraction**: Muscle contraction can occur in various forms, but we need to focus on the specific type that refers to a single event.

3. **Defining the Term**: The scientific term for a single contraction of a muscle is "muscle twitch."

...