Question: what is zj in zumba?
Answer: A Zumba Jammer (ZJ™) is a ZIN™ Member who has been handpicked by Beto and licensed by Zumba to host ZIN™ Jam Sessions. ... Zumba® Jammers are not restricted to specific areas; they can host ZIN™ Jam sessions anywhere in the world. This introduces ZIN™ Members to a wide variety of styles and choreography ideas.