I committed to 100 jumping jacks every morning for two weeks. The results? Increased energy, improved mood, and surprising physical changes!

Why? Because they're more than flailing your arms and hopping around. Jumping jacks push your heart rate into high gear, ...

You could change the jumping jacks exercise to a different fitness activity. For example, you could perform lunges, squats, or toe touches. NARRATOR: Danny's challenge! DANNY: Time to bring some ...