Jason R Franz

Summary

Affiliation: University of Colorado
Country: USA

Publications

  1. pmc How does age affect leg muscle activity/coactivity during uphill and downhill walking?
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309, United States
    Gait Posture 37:378-84. 2013
  2. pmc Advanced age affects the individual leg mechanics of level, uphill, and downhill walking
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309 0354, USA
    J Biomech 46:535-40. 2013
  3. doi request reprint Metabolic cost of running barefoot versus shod: is lighter better?
    Jason R Franz
    Locomotion Lab, Department of Integrative Physiology, University of Colorado, Boulder, CO, USA
    Med Sci Sports Exerc 44:1519-25. 2012
  4. pmc The effects of grade and speed on leg muscle activations during walking
    Jason R Franz
    Department of Integrative Physiology, UCB 354, University of Colorado, Boulder, CO 80309, USA
    Gait Posture 35:143-7. 2012
  5. pmc Mechanical work performed by the individual legs during uphill and downhill walking
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309, USA
    J Biomech 45:257-62. 2012
  6. ncbi request reprint Real-time feedback enhances forward propulsion during walking in old adults
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309 0354, United States Department of Mechanical Engineering, University of Wisconsin, Madison, WI 53706, United States Electronic address
    Clin Biomech (Bristol, Avon) 29:68-74. 2014
  7. doi request reprint A test of the metabolic cost of cushioning hypothesis during unshod and shod running
    Kryztopher David Tung
    Department of Integrative Physiology, University of Colorado, Boulder, CO
    Med Sci Sports Exerc 46:324-9. 2014

Collaborators

  • Kryztopher David Tung
  • Rodger Kram

Detail Information

Publications7

  1. pmc How does age affect leg muscle activity/coactivity during uphill and downhill walking?
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309, United States
    Gait Posture 37:378-84. 2013
    ..young adults. We conclude that the disproportionate recruitment of hip muscles with advanced age may have critical implications for maintaining independent mobility in old adults, particularly at steeper uphill grades...
  2. pmc Advanced age affects the individual leg mechanics of level, uphill, and downhill walking
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309 0354, USA
    J Biomech 46:535-40. 2013
    ..Our findings most notably identify how advanced age may impair uphill walking ability and thus independence and quality of life...
  3. doi request reprint Metabolic cost of running barefoot versus shod: is lighter better?
    Jason R Franz
    Locomotion Lab, Department of Integrative Physiology, University of Colorado, Boulder, CO, USA
    Med Sci Sports Exerc 44:1519-25. 2012
    ....
  4. pmc The effects of grade and speed on leg muscle activations during walking
    Jason R Franz
    Department of Integrative Physiology, UCB 354, University of Colorado, Boulder, CO 80309, USA
    Gait Posture 35:143-7. 2012
    ..We conclude that people employ distinct uphill (hip, knee, and ankle extensors) and downhill (knee extensors) muscle recruitment strategies generally across walking speeds and progressively with steeper grade...
  5. pmc Mechanical work performed by the individual legs during uphill and downhill walking
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309, USA
    J Biomech 45:257-62. 2012
    ..005). To understand how humans walk uphill and downhill, it is important to consider these revealing biomechanical aspects of individual leg function and interaction during double support...
  6. ncbi request reprint Real-time feedback enhances forward propulsion during walking in old adults
    Jason R Franz
    Department of Integrative Physiology, University of Colorado, Boulder, CO 80309 0354, United States Department of Mechanical Engineering, University of Wisconsin, Madison, WI 53706, United States Electronic address
    Clin Biomech (Bristol, Avon) 29:68-74. 2014
    ..We used real-time propulsive feedback to test the hypothesis that old adults have an underutilized propulsive reserve available during walking...
  7. doi request reprint A test of the metabolic cost of cushioning hypothesis during unshod and shod running
    Kryztopher David Tung
    Department of Integrative Physiology, University of Colorado, Boulder, CO
    Med Sci Sports Exerc 46:324-9. 2014
    ..We also hypothesized that because of the counteracting effects of shoe cushioning and mass, unshod running on a hard surface would have approximately the same metabolic cost as running in lightweight, cushioned shoes...