0 a physical exercise in which you stand with your feet together and arms down, jump up and spread your arms and legs far apart, then land with your feet together and arms down again:
1 a physical exercise in which you stand with your feet together and arms down, jump up and land with your arms and legs spread far apart, then jump again and land with your feet together and your arms down:
What I like about the classes is the variety. You never quite know if you'll be doing jogging, press-ups, sit-ups, star jumps, or running.
If squats and star jumps are not your style, walking can be a workout.
The goalkeeper did a kind of star jump as the ball was fired in.