Relationship between shock attenuation and stride length during running at different velocities

  title={Relationship between shock attenuation and stride length during running at different velocities},
  author={John Mercer and Jason Thomas Vance and Alan Hreljac and Joseph Hamill},
  journal={European Journal of Applied Physiology},
Abstract. The purpose of the study was to investigate the characteristics of shock attenuation during high-speed running. Maximal running speed was identified for each subject [n=8 males, 25 (SD 4.6) years; 80 (8.9) kg; 1.79 (0.06) m] as the highest speed that could be sustained for about 20 s on a treadmill. During testing, light-weight accelerometers were securely mounted to the surface of the distal antero-medial aspect of the leg and frontal aspect of the forehead. Subjects completed… 
Acceleration patterns in the lower and upper trunk during running
There were significant speed effects on all parameters, and the low test–retest reliability was confirmed in the anterior–posterior acceleration during treadmill running and the anterior-posterIOR acceleration at slow speed during treadmill and overground running.
Shock attenuation and impact characteristics for children running at different stride lengths
Shock Attenuation and Impact Characteristics for Children Running at Different Stride Lengths By Kunal Bhanot John A. Mercer, Ph.D., Examination Committee Chair Associate Professor of Kinesiology
The effects of local muscle fatigue on shock attenuation characteristics during running
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Water immersion during treadmill exercise reduced segmental accelerations and increased attenuation in horses, and WT exercise may be beneficial in the rehabilitation of lower limb injuries in horses.
Effects of treadmill running and fatigue on impact acceleration in distance running
The effects of treadmill running on impact acceleration were examined together with the interaction between running surface and runner's fatigue state. Twenty recreational runners (11 men and 9
The Effect of the Accelerometer Operating Range on Biomechanical Parameters: Stride Length, Velocity, and Peak Tibial Acceleration during Running
It can be concluded that accelerometers with a minimum OR of ±32 g should be used to avoid inaccurate measurements in biomechanical parameters, which increased noticeably with a decreasing OR.
Is the Relationship Between Stride Length, Frequency, and Velocity Influenced by Running on a Treadmill or Overground?
While running on a treadmill, SL continued to increase in a more linear manner than when running overground, an indication that the strategy of changing SL across velocities was different when on the treadmill vs. overground.
Kinetic consequences of constraining running behavior.
Stride length was an important factor that determined impact force magnitude, and it is likely that lower extremity posture is a determining factor influencing impact characteristics.
The effects of speed and surface compliance on shock attenuation characteristics for male and female runners.
It appears that surface compliance does affect SA during running; however, the runner's ability to dissipate the shock wave may not be expressly explained by the definition of lower extremity kinematics at contact.


Energy absorption of impacts during running at various stride lengths.
It was postulated that the increased perpendicular distance from the line of action of the resultant ground reaction force to the knee joint center played a role in this increased energy absorption.
Shock attenuation and stride frequency during running
The influence of walking speed on dynamic loading on the human musculoskeletal system.
  • A. Voloshin
  • Biology
    Medicine and science in sports and exercise
  • 2000
Investigation of the effects of walking speed on the magnitude of the heel strike initiated shock waves that propagate throughout the human musculoskeletal system indicates that dynamic loading increases with the increase in speed at five times the rate of the ground reaction force increase.
Stride length in distance running: velocity, body dimensions, and added mass effects.
The results indicate that factors other than APV are the primary determinants of preferred SF and SL, and APV cannot be used to accurately predict or prescribe SF or SL on an individual basis.
An analysis of overground and treadmill sprinting.
  • B. Frishberg
  • Biology
    Medicine and science in sports and exercise
  • 1983
Data suggest that the moving treadmill belt reduces the energy requirements of the runner by bringing the supporting leg back under the body during the support phase of running.
Groucho running.
Results show that running with the knees bent reduces the effective vertical stiffness and diminishes the transmission of mechanical shock from the foot to the skull but requires an increase of as much as 50% in the rate of O2 consumption.
A cinematographic analysis of overground and treadmill running by males and females.
For both males and females stride length decreased, stride rate increased, and the period of non-support was also significantly less when running on a treadmill as compared to running overground.
A kinematic comparison of overground and treadmill running.
It is concluded that individual assessment of running kinematics on a treadmill for shoe or shoe orthotic assessment may possibly lead to inadequate conclusions about overground running.
Oxygen uptake and pulse rate while running with undetermined and determined stride lengths at different speeds.
  • H. Knuttgen
  • Materials Science
    Acta physiologica Scandinavica
  • 1961
The results indicate that kinetic energy is the predominant factor in running (a nearly rectilinear relationship was obtained between oxygen uptake and velocity to the second power) and the increase in pulse rate was nearly rectILinearly related to that of oxygen uptake.