Balasubramanian, C.K., Neptune, R.R. and Kautz, S.A. (2008). Variability in spatiotemporal step characteristics and its relationship to walking performance post-stroke. Gait & Posture (in press).
Silverman, A. K., Fey, N.P., Portillo, A., Walden, J.G., Bosker, G. and Neptune, R.R. (2008). Compensatory mechanisms in below-knee amputee gait in response to increasing steady-state walking speeds. Gait & Posture 28(4):602-609. Download PDF
McGowan, C.P., Neptune, R.R. and Kram, R. (2008). Independent effects of weight and mass on plantar flexor muscle activity during walking: implications for their contributions to body support and forward propulsion. Journal of Applied Physiology 105(2):486-94. Download PDF
Neptune, R.R., Sasaki, K. and Kautz, S. A. (2008). The effect of walking speed on muscle function and mechanical energetics. Gait & Posture 28(1): 135-143. Download PDF
Goldberg, E.J., Kautz, S.A. and Neptune, R.R. (2008). Can treadmill walking be used to assess propulsion generation? Journal of Biomechanics 41(8):1505-1508. Download PDF
Rankin, J.W. and Neptune, R.R. (2008). A Theoretical analysis of an optimal chainring shape to maximize crank power during isokinetic pedaling. Journal of Biomechanics 41(7):1494-1502. Download PDF
Sasaki, K., Neptune, R.R., Burnfield, J.M. and Mulroy, S.J. (2008). Muscle compensatory mechanisms during able-bodied toe walking. Gait & Posture 27(3): 440-460. Download PDF
Faustini, M.C, Neptune, R.R., Crawford, R.H. and Stanhope, S.J. (2008). Manufacture of passive dynamic ankle-foot orthoses using selective laser sintering. IEEE Transactions on Biomedical Engineering 55(2): 784-790. Download PDF
Rogers, B., Bosker, G.W., Faustini, M.C, Walden, G., Neptune, R.R. and Crawford, R.H. (2008). Case report: variably compliant transtibial prosthetic socket fabricated using solid freeform fabrication. Journal of Prosthetics and Orthotics 20(1): 1-7. Download PDF
Turns, L.J., Neptune, R.R. and Kautz, S. A. (2007). Relationships between muscle activity and anterior-posterior ground reaction forces in hemiparetic walking. Archives of Physical Medicine and Rehabilitation 88(9): 1127-35. Download PDF
Zmitrewicz, R.J., Neptune, R.R. and Sasaki, K. (2007). Mechanical energetic contributions from individual muscles and elastic prosthetic feet during symmetric unilateral transtibial amputee walking: a theoretical study. Journal of Biomechanics 40(8): 1824-1831. Download PDF
Neptune, R.R., Burnfield J.M. and Mulroy, S.J. (2007). The neuromuscular demands of toe walking: a forward dynamics simulation analysis. Journal of Biomechanics 40(6): 1293-1300. Download PDF
Rogers, W., Bosker, G., Crawford, R., Faustini, M., Neptune, R.R., Walden, J. and Gitter, A. (2007). Advanced transtibial socket fabrication using selective laser sintering. Prosthetics and Orthotics International 31(1): 88-100. Download PDF
Goldberg, E.J. and Neptune, R.R. (2007). Compensatory strategies during normal walking in response to muscle weakness and increased hip joint stiffness. Gait & Posture 25(3): 360-367. Download PDF
Balasubramanian, C.K., Bowden, M.G, Neptune, R.R. and Kautz, S.A. (2007). Relationship between step length asymmetry and walking performance in subjects with chronic hemiparesis. Archives of Physical Medicine and Rehabilitation 88(1): 43-49. Download PDF
Faustini, M., Neptune, R.R., Crawford, R., Rogers, W., and Bosker, G. (2006). An experimental and theoretical framework for manufacturing prosthetic sockets for transtibial amputees. IEEE Transactions on Neural Systems and Rehabilitation Engineering 14(3): 304-310. Download PDF
Sasaki, K. and Neptune, R.R. (2006). Differences in muscle function during walking and running at the same speed. Journal of Biomechanics 39(11): 2005-2013. Download PDF
Higginson, J.S., Zajac, F.E., Neptune, R.R., Kautz, S.A. and Delp, S.L. (2006). Muscle contributions to support during gait in an individual with post-stroke hemiparesis. Journal of Biomechanics 39(10): 1769-1777. Download PDF
Kautz, S.A., Patten, C. and Neptune, R.R. (2006). Does unilateral pedaling activate a rhythmic locomotor pattern in the non-pedaling leg in post-stroke hemiparesis? Journal of Neurophysiology 95(5): 3154-3163. Download PDF
Sasaki, K. and Neptune, R.R. (2006). Muscle mechanical work and elastic energy utilization during walking and running near the preferred gait transition speed. Gait & Posture 23(3): 383-390. Download PDF
Bowden, M.G, Balasubramanian, C.K., Neptune, R.R., and Kautz, S.A. (2006). Anterior-posterior ground reaction forces as a measure of paretic leg contribution in hemiparetic walking. Stroke 37(6):872-876. Download PDF
Faustini, M., Neptune, R.R. and Crawford, R. (2006). The quasi-static response of compliant prosthetic sockets for transtibial amputees using finite elements method. Medical Engineering & Physics 28(2): 114-121. Download PDF
Higginson, J.S., Zajac, F.E., Neptune, R.R., Kautz, S.A., Burgar, C.G. and Delp, S.L. (2006). Effect of equinus foot placement and intrinsic muscle response on knee extension during stance. Gait & Posture 23(1): 32-36. Download PDF
Kautz, S.A., Duncan, P.W., Perera, S., Neptune, R.R. and Studenski, S.A. (2005). Coordination of hemiparetic locomotion after post-stroke rehabilitation. Neurorehabilitation and Neural Repair 19(3): 250-258. Download PDF
Higginson,J.S., Neptune, R.R. and Anderson, F.C. (2005). Simulated parallel annealing within a neighborhood (SPAN): for optimization of biomechanical systems. Journal of Biomechanics 38(9): 1938-1942. Download PDF
Neptune, R.R. and Sasaki, K. (2005). Ankle plantar flexor force production is an important determinant of the preferred walk-to-run transition speed. Journal of Experimental Biology 208(5): 799-808. Download PDF
Neptune, R.R., Zajac, F.E. and Kautz, S.A. (2004). Muscle force redistributes segmental power for body progression during walking. Gait & Posture 19(2): 194-205. Download PDF
Zajac, F.E., Neptune, R.R. and Kautz, S.A. (2003). Biomechanics and muscle coordination of human walking Part II: Lessons from dynamical simulations, clinical implications, and concluding remarks. Gait & Posture 17(1): 1-17. Download PDF
Zajac, F.E., Neptune, R.R. and Kautz, S.A. (2002). Biomechanics and muscle coordination of human walking Part I: Introduction to concepts, power transfer, dynamics and simulation. Gait & Posture 16(3): 215-232. Download PDF
Neptune, R.R., Kautz, S.A. and Zajac, F.E. (2001). Contributions of the individual ankle plantar flexors to support, forward progression and swing initiation during walking. Journal of Biomechanics 34(11): 1387-1398. Download PDF
Neptune, R.R. and Kautz, S.A. (2001). Muscle activation and deactivation dynamics: the governing properties in fast cyclical human movement performance? Exercise and Sport Science Reviews 29(2): 76-81. Download PDF
Neptune, R.R., Wright, I.C., Bogert, A.J. van den (2000). The influence of orthotic devices and vastus medialis strength on patella-femoral loads during running. Clinical Biomechanics 15(8): 611-618. Download PDF
Neptune, R.R., Wright, I.C., Bogert, A.J. van den (2000). A method for numerical simulation of single limb ground contact events: application to heel-toe running. Journal of Computer Methods in Biomechanics and Biomedical Engineering 3(4): 321-334. Download PDF
Kautz, S.A., Neptune, R.R. and Zajac, F.E. (2000). General coordination principles elucidated by forward dynamics: minimum fatigue does not explain muscle excitation in dynamic tasks. Motor Control 4(1): 101-106. Download PDF
Neptune, R.R. and Kautz, S.A. (2000). Knee joint loading in forward versus backward pedaling: implications for rehabilitation strategies. Clinical Biomechanics 15(7): 528-535. Download PDF
Wright, I.C., Neptune, R.R., Bogert, A.J. van den and Nigg, B.M. (2000). The influence of foot positioning on ankle sprains. Journal of Biomechanics 33(5): 513-519. Download PDF
MacIntosh, B.R., Neptune, R.R., and Horton, J. (2000). Cadence, power and muscle activation in cycle ergometry. Medicine and Science in Sports and Exercise 32(7): 1281-1287. Download PDF
Wright, I.C., Neptune, R.R., Bogert, A.J. van den and Nigg, B.M. (2000). The effects of ankle compliance and flexibility on ankle sprains. Medicine and Science in Sports and Exercise 32(2): 260-265. Download PDF
Neptune, R.R. and Herzog, W. (2000). Adaptation of muscle coordination to altered task mechanics during steady-state cycling. Journal of Biomechanics 33(2): 165-172. Download PDF
Neptune, R.R., Kautz, S.A. and Zajac, F.E. (2000). Muscle contributions to specific biomechanical functions do not change in forward versus backward pedaling. Journal of Biomechanics 33(2): 155-164. Download PDF
Smak, W., Neptune, R.R., and Hull, M.L. (1999). The influence of pedaling rate on bilateral asymmetry in cycling. Journal of Biomechanics 32(9): 899-906. Download PDF
Neptune, R.R.(1999). Optimization algorithm performance in determining optimal controls in human movement analyses. Journal of Biomechanical Engineering 121(2): 249-252. Download PDF
Neptune, R.R., Wright, I.C., and Bogert, A.J. van den (1999). Muscle coordination and function during cutting movements. Medicine and Science in Sports and Exercise 31(2) 294-302. Download PDF
Neptune, R.R. and Hull, M.L. (1999). A theoretical analysis of preferred pedaling rate selection in endurance cycling. Journal of Biomechanics 32(4): 409-415. Download PDF
Neptune, R.R. and Hull, M.L. (1998). Evaluation of performance criteria for simulation of submaximal steady-state cycling using a forward dynamic model. Journal of Biomechanical Engineering 120(3): 334-341. Download PDF
Neptune, R.R. and Bogert, A.J. van den (1998). Standard mechanical energy analyses do not correlate with muscle work in cycling. Journal of Biomechanics 31(3): 239-245. Download PDF
Neptune, R.R., Kautz, S.A., and Hull, M.L. (1997). The effect of pedaling rate on coordination in cycling. Journal of Biomechanics 30(10): 1051-1058. Download PDF
Boyd, T.F., Neptune, R.R.., and Hull, M.L. (1997). Pedal and knee loads using a multi-degree-of-freedom pedal platform in cycling. Journal of Biomechanics 30(5): 505-511. Download PDF
Neptune, R.R. and Hull, M.L. (1995). Accuracy assessment of methods for determining hip movement in seated cycling. Journal of Biomechanics 28(4): 423-437. Download PDF
Kautz, S.A., Hull, M.L,. and Neptune, R.R. (1994). A comparison of muscular mechanical energy expenditure and internal work in cycling. Journal of Biomechanics 27(12): 1459-1467. Download PDF
Neptune, R.R. and Hull, M.L. (1992). A new electromechanical ski binding with release sensitivity to torsion and bending moments. International Journal of Sport Biomechanics 8(4): 331-349. Download PDF
