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Encouraging Expressiveness in Worship
http://www.praisecharts.com/live/articles/279/1/Encouraging-Expressiveness-in-Worship/Page1.html
Bob Kauflin
Bob is well known around the world as an author, teacher, blogger, and Director of Worship Development for Sovereign Grace Ministries. For years, Bob has been writing a a blog specifically geared to worship leaders called Worship Matters. Recently, he released a brand new book by the same name. 
By Bob Kauflin
Published on June 27, 2008
 
How do you motivate people to physically express affection for God when they’re singing his praise, when their default attitude on hearing music is passivity and reservation? How do you keep from manipulating or commanding certain responses that are appropriate to biblical corporate worship? 

Motivating people to physically express affection for God when they’re singing his praise.
If you want to read more, Bob did another series on physical expressiveness a while back. You can find Part 1 here.