1.   Our aerobics instructor wore a bright red leotard.

2.   --An aerobics instructor for playing mindless disco music at ear-shattering decibels, even after four class members politely complained.

3.   An aerobics instructor.

4.   As is the trend at studios everywhere, more and more men are taking to the once female-dominated job of aerobics instructor.

5.   At health clubs, aerobics instructors no longer have to worry about banging their teeth against hand-held mics.

6.   Barbara Cohen, an aerobics instructor who works at various sites around the city, said she has noticed the shift as well.

7.   Cindy Laney, a former aerobics instructor, often runs five miles and lifts weights.

8.   He began working with aerobics instructors, including Leslie Howe at Crosby Street Studios in Manhattan, where Sekules began working out.

9.   He has been an aerobics instructor throughout the eight years.

10.   I asked an aerobics instructor I know if she agreed.