7 Facts You Might Not Know about Jumping Jacks
Jumping jacks are a popular exercise for good reason! They’re a calorie burner and an exercise that improves cardiovascular fitness. But here are some facts about jumping jacks you might not know.
standard jumping jack
Jumping jacks are a popular exercise for good reason! They’re a calorie burner and an exercise that improves cardiovascular fitness. But here are some facts about jumping jacks you might not know.