What Is the Practice of Cycling the Duration and Intensity

question 12

Multiple Choice

What is the practice of cycling the duration and intensity of a workout called?

• A) cross-training
• B) periodization
• C) interval training
• D) weight training

---

Definitions:

Opiate Drugs

A category of drugs derived from opium plants, often used for pain relief but associated with high addiction potential.

Receptor Sites

Specific regions on the surface of a cell or within a cell where messenger molecules, such as hormones or neurotransmitters, bind to initiate a cellular response.

Endorphins

Natural, pain-relieving chemicals produced by the body that promote a feeling of well-being or euphoria.

Bruising Football Game

A particularly intense or physically demanding football game that may result in injuries.