J E Bertram

Summary

Affiliation: Florida State University
Country: USA

Publications

  1. doi request reprint Pace length effects in human walking: "groucho" gaits revisited
    John E A Bertram
    Department of Nutrition, Food and Exercise Sciences, The Florida State University, Tallahassee, FL 32306, USA
    J Mot Behav 34:309-18. 2002
  2. ncbi request reprint Hypothesis testing as a laboratory exercise: a simple analysis of human walking, with a physiological surprise
    John E A Bertram
    Dept of Nutrition, Food, Florida State University, Tallahassee, Florida 32306, USA
    Adv Physiol Educ 26:110-9. 2002
  3. ncbi request reprint Mechanical energy oscillations of two brachiation gaits: measurement and simulation
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA
    Am J Phys Anthropol 115:319-26. 2001
  4. ncbi request reprint Multiple walking speed-frequency relations are predicted by constrained optimization
    J E Bertram
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
    J Theor Biol 209:445-53. 2001
  5. ncbi request reprint A point-mass model of gibbon locomotion
    J E Bertram
    College of Veterinary Medicine, Cornell University, USA, Theoretical and Applied Mechanics, Cornell University, USA
    J Exp Biol 202:2609-17. 1999
  6. ncbi request reprint The dynamics of flight-initiating jumps in the common vampire bat Desmodus rotundus
    W A Schutt
    Department of Anatomy, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    J Exp Biol 200:3003-12. 1997
  7. ncbi request reprint Acceleration and balance in trotting dogs
    D V Lee
    College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    J Exp Biol 202:3565-73. 1999
  8. ncbi request reprint Mechanics of avian fibrous periosteum: tensile and adhesion properties during growth
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
    Bone 22:669-75. 1998
  9. ncbi request reprint Paralysis and long bone growth in the chick: growth shape trajectories of the pelvic limb
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    Growth Dev Aging 61:51-60. 1997
  10. ncbi request reprint Gait transition cost in humans
    James R Usherwood
    Florida State University, Tallahassee, FL 32306, USA
    Eur J Appl Physiol 90:647-50. 2003

Collaborators

Detail Information

Publications13

  1. doi request reprint Pace length effects in human walking: "groucho" gaits revisited
    John E A Bertram
    Department of Nutrition, Food and Exercise Sciences, The Florida State University, Tallahassee, FL 32306, USA
    J Mot Behav 34:309-18. 2002
    ..The present results have implications for the exploration of the integrated control of mechanical consequences in human locomotion and for understanding the walk-run transition in bipeds other than humans, such as ground-dwelling birds...
  2. ncbi request reprint Hypothesis testing as a laboratory exercise: a simple analysis of human walking, with a physiological surprise
    John E A Bertram
    Dept of Nutrition, Food, Florida State University, Tallahassee, Florida 32306, USA
    Adv Physiol Educ 26:110-9. 2002
    ..This exercise is designed for a college-level course in exercise science, physiology, or biology but could easily be managed by a high school honors class with appropriate guidance...
  3. ncbi request reprint Mechanical energy oscillations of two brachiation gaits: measurement and simulation
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA
    Am J Phys Anthropol 115:319-26. 2001
    ..This maneuver may allow muscle action at the shoulder to control the transfer and adjust the ballistic portion of the step to meet the requirements for the next hand contact...
  4. ncbi request reprint Multiple walking speed-frequency relations are predicted by constrained optimization
    J E Bertram
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
    J Theor Biol 209:445-53. 2001
    ..Further, the metabolic cost of transport is a reasonable approximate candidate for the function F...
  5. ncbi request reprint A point-mass model of gibbon locomotion
    J E Bertram
    College of Veterinary Medicine, Cornell University, USA, Theoretical and Applied Mechanics, Cornell University, USA
    J Exp Biol 202:2609-17. 1999
    ..We present some comparisons with gibbon brachiation showing that the simple dynamic model presented has predictive value. However, natural gibbon motion is even smoother than the smoothest motions predicted by this primitive model...
  6. ncbi request reprint The dynamics of flight-initiating jumps in the common vampire bat Desmodus rotundus
    W A Schutt
    Department of Anatomy, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    J Exp Biol 200:3003-12. 1997
    ..38+/-0.24 m s-1. A model of the muscular activity during jumping is described that accounts for the characteristic force output shown by these animals during flight-initiating jumps...
  7. ncbi request reprint Acceleration and balance in trotting dogs
    D V Lee
    College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    J Exp Biol 202:3565-73. 1999
    ..Vertical forces exerted by the forelimb and hindlimb resist this pitching moment, providing stability during fore-aft acceleration and deceleration...
  8. ncbi request reprint Mechanics of avian fibrous periosteum: tensile and adhesion properties during growth
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
    Bone 22:669-75. 1998
    ..This suggests that the basic properties of periosteal collagen may undergo a transition during the course of this tissue's brief functional lifetime; that is, during long bone growth...
  9. ncbi request reprint Paralysis and long bone growth in the chick: growth shape trajectories of the pelvic limb
    J E Bertram
    College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA
    Growth Dev Aging 61:51-60. 1997
    ..As expected, the long bones of paralyzed embryos were shorter than age-matched controls. Contrary to expectations, however, paralyzed long bones were relatively more stout than age-matched controls...
  10. ncbi request reprint Gait transition cost in humans
    James R Usherwood
    Florida State University, Tallahassee, FL 32306, USA
    Eur J Appl Physiol 90:647-50. 2003
    ....
  11. ncbi request reprint New perspectives on brachiation mechanics
    John E A Bertram
    Department of Cell Biology and Anatomy, Faculty of Medicine, University of Calgary, Calgary, Alberta T2N 4N1, Canada
    Am J Phys Anthropol . 2004
    ....
  12. ncbi request reprint Constrained optimization in human walking: cost minimization and gait plasticity
    John E A Bertram
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
    J Exp Biol 208:979-91. 2005
    ..The results of these studies provide a new perspective on the integration of walking cost with neuromuscular control, and provide a novel approach to the investigation of the control features involved in gait parameter selection...
  13. ncbi request reprint Step length and required friction in walking
    Ryan C Cooper
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
    Gait Posture 27:547-51. 2008
    ....