There is also a special null type, the type of the expression null, which has no name. Because the null type has no name, it is impossible to declare a variable of the null type or to cast to the null type.
Transcript of Muscles Used for Jumping Jacks! Muscles Used for Jumping Jacks! FONTS. Muscles of the Abdomen- Anterior View. Rectus Abdominus. : Helps stabilize the movement to create pressure through a jumping jack. Muscles of the Lower Extremity. Anterior View (leg)-.
Jumping jacks are a quick and easy calorie burner. Do them after you roll out of bed to wake up, while you're waiting for the shower to warm up, when your coffee is brewing...you get the point. Calories Burned: 10 per minute.