V. Gracia-Ibáñez, M. Vergara & J.-L. Sancho-Bru. (2016) Interdependency of the maximum range of flexion–extension of hand metacarpophalangeal joints. Computer Methods in Biomechanics and Biomedical Engineering.
http://dx.doi.org/10.1080/10255842.2016.1189541
When the above article was first published online, Equation 1 was not properly typeset. It should be:
Taylor & Francis apologises for this error.