Zajac, III, Felix Edward

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AcademicTree: 23029

Academic genealogy

Doctoral Descendants

Affiliations (1)

Name	Count	Oldest	Newest
Stanford University	16	1968	2006

Papers (20)

Year	Article	Times Cited	Times Cited (no self-citations)
1990	Zajac FE, Winters JM. Modeling musculoskeletal movement systems: joint and body segmental dynamics, musculoskeletal actuation, and neuromuscular control. In: Winters JM, Woo SL-Y, eds. Multiple Muscle Systems: Biomechanics and Movement Organization. New York, NY: Springer-Verlag; 1990:121-148.	11	8
1989	Zajac FE. Muscle and tendon: properties, models, scaling, and application to biomechanics and motor control. Crit Rev Biomed Eng. 1989;17(4):359-411.	267	246
1989	Zajac FE, Gordon ME. Determining muscle's force and action in multi-articular movement. Exerc Sport Sci Rev. January 1989;17(1):187-230.	101	81
2002	Zajac FE, Neptune RR, Kautz SA. Biomechanics and muscle coordination of human walking, I: introduction to concepts, power transfer, dynamics and simulations. Gait Post. December 2002;16(3):215-232.	63	50
2003	Zajac FE, Neptune RR, Kautz SA. Biomechanics and muscle coordination of human walking, II: lessons from dynamical simulations and clinical implications. Gait Post. February 2003;17(1):1-17.	59	44
2004	Neptune RR, Zajac FE, Kautz SA. Muscle force redistributes segmental power for body progression during walking. Gait Post. April 2004;19(2):194-205.	60	38
1990	Delp SL, Loan JP, Hoy MG, Zajac FE, Topp EL, Rosen JM. An interactive graphics-based model of the lower extremity to study orthopaedic surgical procedures. IEEE Trans Biomed Eng. 1990;37(8):757-767.	239	175
1990	Yamaguchi GT, Zajac FE. Restoring unassisted natural gait to paraplegics via functional neuromuscular stimulation: a computer simulation study. IEEE Trans Biomed Eng. September 1990;37(9):886-902.	41	33
2002	Pappas GP, Asakawa DS, Delp SL, Zajac FE, Drace JE. Nonuniform shortening in the biceps brachii during elbow flexion. J Appl Physiol. June 2002;92(6):2381-2389.	14	7
1989	Yamaguchi GT, Zajac FE. A planar model of the knee joint to characterize the knee extensor mechanism. J Biomech. 1989;22(1):1-10.	72	55
1990	Hoy MG, Zajac FE, Gordon ME. A musculoskeletal model of the human lower extremity: the effect of muscle, tendon, and moment arm on the moment-angle relationship of musculotendon actuators at the hip, knee, and ankle. J Biomech. 1990;23(2):157-169.	63	50
1990	Pandy MG, Zajac FE, Sim E, Levine WS. An optimal control model for maximum-height human jumping. J Biomech. 1990;23(12):1185-1198.	57	38
1991	Pandy MG, Zajac FE. Optimal muscular coordination strategies for jumping. J Biomech. 1991;24(1):1-10.	40	24
1993	Zajac FE. Muscle coordination of movement: a perspective. J Biomech. 1993;26(suppl 1):109-124.	42	36
1993	Kuo AD, Zajac FE. A biomechanical analysis of muscle strength as a limiting factor in standing posture. J Biomech. 1993;26(suppl 1):137-150.	18	12
1996	Fregly BJ, Zajac FE. A state-space analysis of mechanical energy generation, absorption, and transfer during pedaling. J Biomech. January 1996;29(1):81-90.	31	23
1997	Raasch CC, Zajac FE, Ma B, Levine WS. Muscle coordination of maximum-speed pedaling. J Biomech. June 1997;30(6):595-602.	52	46
1998	Sheehan FT, Zajac FE, Drace JE. Using cine phase contrast magnetic resonance imaging to non-invasively study in vivo knee dynamics. J Biomech. January 1998;31(1):21-26.	20	18
2001	Neptune RR, Kautz SA, Zajac FE. Contributions of the individual ankle plantar flexors to support, forward progression and swing initiation during walking. J Biomech. November 2001;34(11):1387-1398.	120	87
2006	Higginson JS, Zajac FE, Neptune RR, Kautz SA, Delp SL. Muscle contributions to support during gait in an individual with post-stroke hemiparesis. J Biomech. 2006;39(10):1769-1777.	24	10

Theses (1)

Year	Article	Times Cited	Times Cited (no self-citations)
1968	Zajac FE III. The Mathematical Formulation of the Kinematic Properties of Muscle Derived from an Experimental Investigation [PhD thesis]. Stanford University; 1968.	0	0

Student Theses (17)

Year	Article	Times Cited	Times Cited (no self-citations)
2005	Higginson JS. Analysis of Muscle Coordination During Slow and Post-Stroke Hemiparetic Gait Using Simulation [PhD thesis]. Stanford University; 2005.	1	0
2003	Towles JD. Measurement of Thumb-Tip Forces Produced by Individual Muscles: Application to Restoring Key Pinch in Persons With Tetraplegia [PhD thesis]. Stanford University; April 2003.	0	0
2003	Chen G. Treadmill Training With Harness Support: A Biomechanical Basis for Selection of Training Parameters for Individuals With Poststroke Hemiparesis [PhD thesis]. Stanford University; April 2003.	2	0
2001	Pappas G. Characterization of Biceps Brachii Architecture and Contraction Mechanics Using Medical Imaging Techniques [PhD thesis]. Stanford University; February 2001.	2	1
1998	Ting LH. Neural Strategies for Control of Locomotion Elucidated by Novel Pedaling Paradigms [PhD thesis]. Stanford University; 1998.	0	0
1997	Valero Cuevas FJ. Muscle Coordination of the Human Index Finger [PhD thesis]. Stanford University; April 1997.	0	0
1997	Sheehan FT. A Non-Invasive, in Vivo Study of the Patella Using Cine Phase Contrast Magnetic Resonance Imaging: 3D Kinematics and Tendon Strain [PhD thesis]. Stanford University; August 1997.	1	0
1997	Runge CF. Joint Torque Analyses of Early Postural Responses to Fast Platform Translations: Implications for the Sensorimotor Control of Balance [PhD thesis]. Stanford University; February 1997.	0	0
1995	Raasch CC. Coordination of Pedaling: Functional Muscle Groups and Locomotor Strategies [PhD thesis]. Stanford University; December 1995.	2	0
1993	Fregly BJ. The Significance of Crank Load Dynamics to Steady-State Pedaling Biomechanics: An Experimental and Computer Modeling Study [PhD thesis]. Stanford University; March 1993.	7	3
1992	Tashman S. Experimental Analysis and Computer Modeling of Paraplegic Ambulation in a Reciprocating Gait Orthosis: Implications for the Design of Hybrid FNS/orthotic Systems [PhD thesis]. Stanford University; August 1992.	3	2
1992	Schutte LM. Using Musculoskeletal Models to Explore Strategies for Improving Performance in Electrical Stimulation-Induced Leg Cycle Ergometry [PhD thesis]. Stanford University; 1992.	18	17
1992	Kuo AD. Visualization Techniques for Analyzing Control of Human Movement: Affine Mappings Between Multidimensional Spaces [PhD thesis]. Stanford University; December 1992.	1	1
1990	Gordon ME. An Analysis of the Biomechanics and Muscular Synergies of Human Standing [PhD thesis]. Stanford University; September 1990.	6	0
1990	Delp SL. Surgery Simulation: A Computer Graphics System to Analyze and Design Musculoskeletal Reconstructions of the Lower Limb [PhD thesis]. Stanford University; August 1990.	40	33
1989	Yamaguchi GT. Feasibility and Conceptual Design of Functional Neuromuscular Stimulation Systems for the Restoration of Natural Gait to Paraplegics Based on Dynamic Musculoskeletal Models [PhD thesis]. Stanford University; August 1989.	8	4
1988	Khang G. Paraplegic Standing Controlled by Functional Neuromuscular Stimulation: Computer Model, Control System Design, and Simulation Studies [PhD thesis]. Stanford University; June 1988.	6	0

Collaborators (11)

Name	Count	Oldest	Newest
Sheehan, Frances Theresa	1	1998	1998
Fregly, Benjamin Jon	1	1996	1996
Delp, Scott L.	3	1990	2006
Winters, Jack M.	1	1990	1990
Higginson, Jill Startzell	1	2006	2006
Neptune, Richard Ray	5	2001	2006
Kuo, Arthur Daniel	1	1993	1993
Gross, M. Melissa	2	1990	1990
Kautz, Steven Arthur	5	2001	2006
Yamaguchi, Gary Tad	2	1989	1990
Pandy, Marcus G.	2	1990	1991