Analyzing the Gyrotonic^® arch and curl

References 

1. Calais-Germain B. Anatomy of Movement. Seattle: Eastland Press; 1993;
2. Gyrotonic Expansion System International Headquarters 2000–2002. Gyrotonic^®: the art of exercising and beyond^®. http://www.gyrotonic.com/history.htm
3. Horvath J. Gyrotonic^® Presents Gyrotonic Expansion System^®. New York: Gyrotonic^® Sales Corporation; 2002;
4. Luttgens K, Wells KF. Kinesiology: Scientific Basis of Human Motion. Dubuque: Wm C Brown; 1989;
5. Myers T. Anatomy Trains: Myofascial Meridians for Manual and Movement Therapists. London: Harcourt Publishers Limited; 2001;