Betzler, N., Brown, S., Wallace, E. S., Otto, S. R. & Shan, G. (2008). Effect of 6-iron club properties on thorax and pelvis rotation at key events of the golf swing. In Science and Golf V. Proceedings of the World Scientific Congress of Golf, 455-461. ISBN 978-0-9788734-1-7
Various previous studies analysed trunk alignment at key events of the golf swing, but in most cases players swung only one type of golf club or clubs from different categorie...