Barrentine, S. W.; Matsuo, T.; Escamilla, R. F.; Fleisig, G. S.; Andrews, J. R. (1998). "Kinematic Analysis of the Wrist and Forearm during Baseball Pitching". Journal of Applied Biomechanics. 14 (1): 24–39. doi:10.1123/jab.14.1.24. S2CID16614797.
Barrentine, S. W.; Matsuo, T.; Escamilla, R. F.; Fleisig, G. S.; Andrews, J. R. (1998). "Kinematic Analysis of the Wrist and Forearm during Baseball Pitching". Journal of Applied Biomechanics. 14 (1): 24–39. doi:10.1123/jab.14.1.24. S2CID16614797.