Key Highlights
- Can you count walking?
- Lifting weights?
- Anything so long as you’re in the right zone?
- Let me break it down.
- What is the definition of cardio?
Light. Truth. Clarity.
Cardio is good for us. We need both cardio and strength training for basic health, as well as our athletic goals. But what actually counts as cardio?

Credit: Lifehacker
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