L Q Zhang

Summary

Affiliation: Northwestern University
Country: USA

Publications

  1. ncbi request reprint In vivo determination of the direction of rotation and moment-angle relationship of individual elbow muscles
    L Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, USA
    J Biomech Eng 120:625-33. 1998
  2. ncbi request reprint Simultaneous and nonlinear identification of mechanical and reflex properties of human elbow joint muscles
    L Q Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 44:1192-209. 1997
  3. ncbi request reprint Moment distribution among human elbow extensor muscles during isometric and submaximal extension
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University, USA
    J Biomech 33:145-54. 2000
  4. ncbi request reprint Stiffness, viscosity, and upper-limb inertia about the glenohumeral abduction axis
    L Q Zhang
    Department of Orthopaedic Surgery, Northwestern University, Rehabilitation Institute of Chicago, Illinois 60611, USA
    J Orthop Res 18:94-100. 2000
  5. ncbi request reprint Muscle strength in knee varus and valgus
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University, Evanston, IL 60611, USA
    Med Sci Sports Exerc 33:1194-9. 2001
  6. ncbi request reprint Muscular torque generation during imposed joint rotation: torque-angle relationships when subjects' only goal is to make a constant effort
    P R Burgess
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Northwestern University Medical School, 345 East Superior Street, Room 1406, Chicago, IL 60611, USA
    Somatosens Mot Res 19:327-40. 2002
  7. ncbi request reprint Reflex and intrinsic changes induced by fatigue of human elbow extensor muscles
    L Q Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Northwestern University, Chicago, IL 60611, USA
    J Neurophysiol 86:1086-94. 2001
  8. ncbi request reprint Dynamic and static control of the human knee joint in abduction-adduction
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E Superior Street, Chicago, IL 60611, USA
    J Biomech 34:1107-15. 2001

Collaborators

  • H Huang
  • P R Burgess
  • L F Jones
  • C F Buhler
  • J P A Dewald
  • W Z Rymer

Detail Information

Publications8

  1. ncbi request reprint In vivo determination of the direction of rotation and moment-angle relationship of individual elbow muscles
    L Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, USA
    J Biomech Eng 120:625-33. 1998
    ..Variations of the DOR and moment-angle relationship across muscle twitches of different amplitudes in a subject were small, while there were considerable variations between subjects...
  2. ncbi request reprint Simultaneous and nonlinear identification of mechanical and reflex properties of human elbow joint muscles
    L Q Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, IL 60611, USA
    IEEE Trans Biomed Eng 44:1192-209. 1997
    ..In particular, reflexively-mediated stiffness generated a significant portion of the total joint stiffness and the percentage varied systematically with background muscle torque...
  3. ncbi request reprint Moment distribution among human elbow extensor muscles during isometric and submaximal extension
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University, USA
    J Biomech 33:145-54. 2000
    ..Cross-validation using fresh data (not used in determining the moment distribution) showed close match between the measured and predicted elbow extension moment except for trials in which fatigue became significant...
  4. ncbi request reprint Stiffness, viscosity, and upper-limb inertia about the glenohumeral abduction axis
    L Q Zhang
    Department of Orthopaedic Surgery, Northwestern University, Rehabilitation Institute of Chicago, Illinois 60611, USA
    J Orthop Res 18:94-100. 2000
    ....
  5. ncbi request reprint Muscle strength in knee varus and valgus
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University, Evanston, IL 60611, USA
    Med Sci Sports Exerc 33:1194-9. 2001
    ..The hypothesis was that humans could differentially contract the medial and lateral muscles crossing the knee and generate significant moments in knee valgus-varus...
  6. ncbi request reprint Muscular torque generation during imposed joint rotation: torque-angle relationships when subjects' only goal is to make a constant effort
    P R Burgess
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Northwestern University Medical School, 345 East Superior Street, Room 1406, Chicago, IL 60611, USA
    Somatosens Mot Res 19:327-40. 2002
    ....
  7. ncbi request reprint Reflex and intrinsic changes induced by fatigue of human elbow extensor muscles
    L Q Zhang
    Sensory Motor Performance Program, Rehabilitation Institute of Chicago, Northwestern University, Chicago, IL 60611, USA
    J Neurophysiol 86:1086-94. 2001
    ..In short, the reduced contribution from intrinsic stiffness to joint torque was compensated by increased contribution from dynamic stretch reflexes after fatigue...
  8. ncbi request reprint Dynamic and static control of the human knee joint in abduction-adduction
    L Q Zhang
    Department of Physical Medicine and Rehabilitation, Northwestern University Sensory Motor Performance Program, Rehabilitation Institute of Chicago, 345 E Superior Street, Chicago, IL 60611, USA
    J Biomech 34:1107-15. 2001
    ....