F. Zajac

发表

A biomechanical analysis of muscle strength as a limiting factor in standing posture.

A. Kuo, F. Zajac, 1992, Journal of biomechanics.

Muscle and tendon: properties, models, scaling, and application to biomechanics and motor control.

F. Zajac, 1989, Critical reviews in biomedical engineering.

Muscle coordination of maximum-speed pedaling.

F. Zajac, C. Raasch, B. Ma, 1997, Journal of biomechanics.

A state-space analysis of mechanical energy generation, absorption, and transfer during pedaling.

F E Zajac, B J Fregly, F. Zajac, 1996, Journal of biomechanics.

Optimal muscular coordination strategies for jumping.

M. Pandy, F. Zajac, Felix E. Zajac, 1991, Journal of biomechanics.

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.

F. Zajac, M. Hoy, M. E. Gordon, 1990, Journal of biomechanics.

Determining Muscle's Force and Action in Multi‐Articular Movement

F. Zajac, M. E. Gordon, M. Gordon, 1989, Exercise and sport sciences reviews.

Crank inertial load has little effect on steady-state pedaling coordination.

C. A. Dairaghi, F. Zajac, B. Fregly, 1996, Journal of biomechanics.

Modeling and simulation of paraplegic ambulation in a reciprocating gait orthosis.

F E Zajac, S Tashman, I Perkash, 1995, Journal of biomechanical engineering.

Improving the efficacy of electrical stimulation-induced leg cycle ergometry: an analysis based on a dynamic musculoskeletal model

R. M. Glaser, F. Zajac, L. Schutte, 1993 .

Large index-fingertip forces are produced by subject-independent patterns of muscle excitation.

F. Zajac, F. Valero-Cuevas, C. Burgar, 1998, Journal of biomechanics.

Contributions of the individual ankle plantar flexors to support, forward progression and swing initiation during walking.

F. Zajac, R. Neptune, S. Kautz, 2001, Journal of biomechanics.

Estimating net joint torques from kinesiological data using optimal linear system theory

A. Bryson, F. Zajac, C. F. Runge, 1995, IEEE Transactions on Biomedical Engineering.

Dependence of jumping performance on muscle properties when humans use only calf muscles for propulsion.

F. Zajac, W. Levine, R. Wicke, 1984, Journal of Biomechanics.

Phase reversal of biomechanical functions and muscle activity in backward pedaling.

D. A. Brown, F. Zajac, L. Ting, 1999, Journal of neurophysiology.

The effect of activation history on tension production by individual muscle units

F. Zajac, R. Burke, P. Rudomín, 1976, Brain Research.

An optimal control model for maximum-height human jumping.

W S Levine, M G Pandy, F E Zajac, 1990, Journal of biomechanics.

Thigh muscle activity during maximum-height jumps by cats.

F. Zajac, 1985, Journal of neurophysiology.

Kinematics and muscular activity of cats during maximum height jumps

F. Zajac, W. Levine, M. Zomlefer, 1977, Brain Research.

Neuromuscular and Musculoskeletal Control Models for the Human Leg

F. Zajac, W. Levine, M. Zomlefer, 1983, 1983 American Control Conference.

Human standing posture: multi-joint movement strategies based on biomechanical constraints.

F E Zajac, A D Kuo, A. Kuo, 1993, Progress in brain research.

Restoring unassisted natural gait to paraplegics via functional neuromuscular stimulation: a computer simulation study

F.E. Zajac, G.T. Yamaguchi, F. Zajac, 1990, IEEE Transactions on Biomedical Engineering.

Paraplegic standing controlled by functional neuromuscular stimulation. II. Computer simulation studies

F. Zajac, G. Khang, 1989, IEEE Transactions on Biomedical Engineering.

A planar model of the knee joint to characterize the knee extensor mechanism.

F. Zajac, G. Yamaguchi, 1989, Journal of biomechanics.

A study of the coordination of cat hindlimb muscles during a maximal vertical jump

F. Zajac, W. Levine, M. Zomlefer, 1975, 1975 IEEE Conference on Decision and Control including the 14th Symposium on Adaptive Processes.

Force- and moment-generating capacity of lower-extremity muscles before and after tendon lengthening.

F. Zajac, S. Delp, 1992, Clinical orthopaedics and related research.

Locomotor strategy for pedaling: muscle groups and biomechanical functions.

F. Zajac, C. Raasch, 1999, Journal of neurophysiology.

Biomechanical analysis of the Chiari pelvic osteotomy. Preserving hip abductor strength.

F. Zajac, S. Delp, E. Bleck, 1990, Clinical orthopaedics and related research.

Understanding muscle coordination of the human leg with dynamical simulations.

F. Zajac, 2002, Journal of biomechanics.

Muscle contributions to support during gait in an individual with post-stroke hemiparesis.

F. Zajac, S. Delp, R. Neptune, 2006, Journal of biomechanics.

Muscle force redistributes segmental power for body progression during walking.

F. Zajac, R. Neptune, S. Kautz, 2004, Gait & posture.

Biomechanics and muscle coordination of human walking: part II: lessons from dynamical simulations and clinical implications.

Richard R Neptune, Steven A Kautz, Felix E Zajac, 2003, Gait & posture.

Nonuniform shortening in the biceps brachii during elbow flexion.

F. Zajac, S. Delp, G. Pappas, 2002, Journal of applied physiology.

An interactive graphics-based model of the lower extremity to study orthopaedic surgical procedures

F.E. Zajac, S.L. Delp, J.P. Loan, 1990, IEEE Transactions on Biomedical Engineering.

Hindlimb muscular activity, kinetics and kinematics of cats jumping to their maximum achievable heights.

F. Zajac, W. Levine, M. Zomlefer, 1981, The Journal of experimental biology.

Physiological types and histochemical profiles in motor units of the cat gastrocnemius

D. Levine, F. Zajac, R. Burke, 1973, The Journal of physiology.

Dynamic musculoskeletal models of human locomotion : perspectives on model formulation and control

M. Pandy, F. Zajac, G. Yamaguchi, 1991 .

Effects of stimulalating Deiters' nucleus and memdial longitudinal fasciculus on the timing of the fictive locomotor rhythm induced in cats by DOPA

F. Zajac, D. F. Russell, 1979, Brain Research.

Gait differences between individuals with post-stroke hemiparesis and non-disabled controls at matched speeds.

F. Zajac, C. Patten, George Chen, 2005, Gait & posture.

Modeling Musculoskeletal Movement Systems: Joint and Body Segmental Dynamics, Musculoskeletal Actuation, and Neuromuscular Control

Jack M. Winters, Felix E. Zajac, F. Zajac, 1990 .

Ankle controls that produce a maximal vertical jump when other joints are locked

William S. Levine, M. R. Zomlefer, Felix E. Zajac, 1983 .

Propelling a torque controlled baton to a maximum height

F. Zajac, W. Levine, W. Roberts, 1979 .

Experimental, analytical and computational study of maximum height jumps

F. Zajac, W. Levine, M. Zomlefer, 1980 .

Muscle coordination of movement: a perspective.

F E Zajac, F. Zajac, 1993, Journal of biomechanics.

Optimal control of the heel-off to lift-off phase of two maximum height jumps

F. Zajac, W. Levine, M. Zomlefer, 1984 .

Role of vestibular information in initiation of rapid postural responses

F. Horak, F. Zajac, C. F. Runge, 1998, Experimental Brain Research.

Properties of stimulus trains producing maximum tension-time area per pulse from single motor units in medial gastrocnemiu muscle of the cat.

F. Zajac, J. Young, 1980, Journal of neurophysiology.

Discharge properties of hindlimb motoneurons in decerebrate cats during locomotion induced by mesencephalic stimulation.

F. Zajac, J. Young, 1980, Journal of neurophysiology.

Mutability of bifunctional thigh muscle activity in pedaling due to contralateral leg force generation.

D. A. Brown, F. Zajac, S. Kautz, 2002, Journal of neurophysiology.

Sensorimotor state of the contralateral leg affects ipsilateral muscle coordination of pedaling.

D. A. Brown, F. Zajac, L. Ting, 1998, Journal of neurophysiology.

Contralateral movement and extensor force generation alter flexion phase muscle coordination in pedaling.

F E Zajac, S A Kautz, L H Ting, 2000, Journal of neurophysiology.

Postural control: A further look at neural control stategies set by boundaries in space

F. Zajac, Felix E. Zajac, 1985, Behavioral and Brain Sciences.

All joint moments significantly contribute to trunk angular acceleration.

Richard R Neptune, Steven A Kautz, Felix E Zajac, 2010, Journal of biomechanics.

Catch Property in Single Mammalian Motor Units

F E Zajac, P Rudomin, R E Burke, 1970, Science.

Using cine phase contrast magnetic resonance imaging to non-invasively study in vivo knee dynamics.

F E Zajac, F T Sheehan, F. Zajac, 1997, Journal of biomechanics.

In vivo tracking of the human patella using cine phase contrast magnetic resonance imaging.

F E Zajac, F T Sheehan, F. Zajac, 1999, Journal of biomechanical engineering.

A Dimensionless musculotendon model

F. E. Zajac, F. Zajac, 1985 .

Effect of equinus foot placement and intrinsic muscle response on knee extension during stance.

F. Zajac, S. Delp, R. Neptune, 2006, Gait & posture.

Experimental, analytical and computational study of a simplified maximal height jump

F. Zajac, W. Levine, 1982 .

Abstract of the XII Congress, International Society of BiomechanicsA computer graphic system to study human movement

Felix E. Zajac, Scott L. Delp, David Delp, 1989 .

Kinematic and EMG reactions to imposed interlimb phase alterations during bipedal cycling

F. Zajac, C. C. Boylls, M. Zomlefer, 1984, Brain Research.

Ankle and hip postural strategies defined by joint torques.

F E Zajac, F B Horak, C F Runge, 1999, Gait & posture.

Mammalian Motor Units: Physiological-Histochemical Correlation in Three Types in Cat Gastrocnemius

R. E. Burke, F. E. Zajac, D. Levine, 1971, Science.

Primary afferent depolarization and flexion reflexes produced by radiant heat stimulation of the skin

F. Zajac, R. Burke, P. Rudomín, 1971, The Journal of physiology.

Merging of healthy motor modules predicts reduced locomotor performance and muscle coordination complexity post-stroke.

Richard R Neptune, Steven A Kautz, Lena H Ting, 2010, Journal of neurophysiology.

Biomechanics and muscle coordination of human walking. Part I: introduction to concepts, power transfer, dynamics and simulations.

Richard R Neptune, Steven A Kautz, Felix E Zajac, 2002, Gait & posture.

Muscle contributions to specific biomechanical functions do not change in forward versus backward pedaling.

R R Neptune, F E Zajac, S A Kautz, 2000, Journal of biomechanics.

PHYSIOLOGICAL TYPES AND HISTOCHEMICAL PROFILES

D. Levine, F. Zajac, D. N. LEVINE, 2005 .

Muscle mechanical work requirements during normal walking: the energetic cost of raising the body's center-of-mass is significant.

R R Neptune, F E Zajac, S A Kautz, 2004, Journal of biomechanics.

Simulation analysis of muscle activity changes with altered body orientations during pedaling.

F E Zajac, S A Kautz, F. Zajac, 2001, Journal of biomechanics.

Bicycle drive system dynamics: theory and experimental validation.

F E Zajac, B J Fregly, C. A. Dairaghi, 2000, Journal of biomechanical engineering.

The Bang-bang Phase of Maximal Height Jumps by Humans

William S. Levine, Y. M. Cho, M. R. Zomlefer, 1987 .

Paraplegic standing controlled by functional neuromuscular stimulation. I. Computer model and control-system design

F.E. Zajac, G. Khang, F. Zajac, 1989, IEEE Transactions on Biomedical Engineering.

Relationship among recruitment order, axonal conduction velocity, and muscle-unit properties of type-identified motor units in cat plantaris muscle.

F E Zajac, F. Zajac, J. S. Faden, 1985, Journal of neurophysiology.

Gait deviations associated with post-stroke hemiparesis: improvement during treadmill walking using weight support, speed, support stiffness, and handrail hold.

Felix E Zajac, Carolynn Patten, F. Zajac, 2005, Gait & posture.

Authors' response to ''comments on 'biomechanics and muscle coordination of human walking: parts I and II'''

Steven A. Kautz, Richard R. Neptune, Felix E. Zajac, 2004 .

Comments on "Propulsive adaptation to changing gait speed".

R R Neptune, F E Zajac, S A Kautz, 2001, Journal of biomechanics.

Merging of Healthy Motor Modules Predicts Reduced Locomotor Performance and 1 Muscle Coordination Complexity Post-stroke 2 3 Abbreviated Title: Locomotor Output Complexity Post-stroke 4

F. Zajac, R. Neptune, Steven A. Kautz, 2022 .

Discharge Patterns of Motor Units during Cat Locomotion and Their Relation to Muscle Performance

F. Zajac, J. Young, 1976 .

Direct Correlation of Physiological and Histochemical Characteristics in Motor Units of Cat Triceps Surae Muscle

D. Levine, F. Zajac, R. Burke, 1973 .

A mechanically decoupled two force component bicycle pedal dynamometer.

M L Hull, J Newmiller, F E Zajac, 1988, Journal of biomechanics.

On propelling a rod to a maximum vertical or horizontal distance

Manolis A. Christodoulou, William S. Levine, Felix E. Zajac, 1983, Autom..