Hand-Handhold Coupling: Effect of Handle Shape, Orientation, and Friction on Breakaway Strength. - Justin G. Young; Charles Woolley; Thomas J. Armstrong; James A. Ashton-Miller (Hum. Factors, 2009)

The Effect of Handhold Orientation, Size, and Wearing Gloves on Hand-Handhold Breakaway Strength. - Justin G. Young; Charles Woolley; James A. Ashton-Miller; Thomas J. Armstrong (Hum. Factors, 2012)

Maximum Hand-Rung Coupling Forces in Children: The Effects of Handhold Diameter. - Peter F. Ehrlich; Justin G. Young; Sheryl Ulin; Charles Woolley; Thomas J. Armstrong; Andrzey T. Galecki; Shu Chen; James A. Ashton-Miller (Hum. Factors, 2013)