If You Can Do This Many Jumping Jacks in 60 Seconds, You're in Great Shape
Find out how many jumping jacks you should be able to do in 60 seconds to gauge your fitness level, plus expert tips to boost ...
BBC2 年
Let's do this! Jumping Jacks
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 ...