The following is a representative sample of publications.
Gruben, K.G., & Boehm, W. (2011, August 30). Force direction pattern stabilizes sagittal plane mechanics of human walking. Human Movement Science.
Online Publication/Abstract
Irwin, C., Kage, C., Gruben, K.G., & Sesto, M. (2010, September). Examination of older females' grip characteristics. Proceedings of the 54th Annual Meeting of the Human Factors and Ergonomics Society.
Moerchen, V.A., Lazarus, J., & Gruben, K.G. (2007). Task-dependent organization of pinch grip forces. Experimental Brain Research, 180(2), 367-376.
Moerchen, V.A., & Gruben, K.G. (2006). Afferent contributions to digit force coupling and force level variation during non-lift pinch. Neurocase, 12(5), 300-306.
Rogers, L.M., Brown, D.A., & Gruben, K.G. (2004). Foot force direction control during leg pushes against fixed and moving pedals in persons post-stroke. Gait and Posture, 19(1), 58-68.
Gruben, K.G., Rogers, L.M., & Schmidt, M.W. (2003). Direction of foot force for pushes against a fixed pedal: role of effort level. Motor Control, 7(3), 229-241.
Gruben, K.G., Rogers, L.M., Schmidt, M.W., & Tan, L. (2003). Direction of foot force for pushes against a fixed pedal: variation with pedal position. Motor Control, 7(4), 366-383.
Schmidt, M.W., López-Ortiz, C., Barrett, P.S., Rogers, L.M., & Gruben, K.G. (2003). Foot force direction in an isometric pushing task: prediction by kinematic and musculoskeletal models. Experimental Brain Research, 150(2), 245-254.
Gruben, K.G., López-Ortiz, C., & Giachetti, R.S. (2003). Muscular and postural components of foot forces during quasi-static extension efforts. Journal of Applied Biomechanics, 19, 239-245.
Gruben, K.G., López-Ortiz, C., & Schmidt, M.W. (2003). The control of foot force during pushing efforts against a moving pedal. Experimental Brain Research, 148(1), 50-61.