Bowing the head is an example of flexion.
Explanation:
1. Flexion is a movement that decreases the angle between body parts. When you bow your head, you are decreasing the angle between your head and neck.
2. Rotation involves turning a body part around its own axis, such as turning your head from side to side.
3. Pronation refers to the movement of rotating the forearm so that the palm faces downward.
4. Hyperextension is the excessive extension of a body part beyond its normal range of motion.
5. Among the options provided, flexion best describes the action of bowing the head as it involves decreasing the angle between body parts, which is what happens when you bow your head forward.
