UMass Amherst KIN 430 - BiomechLabE (4 pages)

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BiomechLabE



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BiomechLabE

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Pages:
4
School:
University of Massachusetts Amherst
Course:
Kin 430 - Biomechanics

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Biomechanics Laboratory E Ground Reaction Forces in Locomotion Introduction The purpose of this laboratory is for students to become familiar with the similarities and differences between the ground reaction forces in walking and running Data will be collected at two different speeds within each gait This will allow not only for an assessment of the differences between walking and running but also for the effects of speed within each gait form Methods Participants A group of 3 4 students will work together at a single workstation Walking and running data will be collected on one volunteer from each group What you need for this lab Bring a USB flash drive aka a memory stick thumb drive etc Wear athletic shoes no sandals flip flops or dress shoes Equipment Each workstation will consist of a desktop computer for data collection and a force plate that interfaces with PASCOairlink The force platform records forces in the vertical direction at a sampling frequency of 100 Hz samples per second Procedures The participant will walk and run across the force platform at 2 speeds for each gait i e slower walking and faster walking slower running and faster running The student will attempt to maintain a steady speed and a normal gait pattern while striking the force platform with his or her right foot Due to the somewhat limited space in the lab coordinate your data collection with the lab groups around you Steps for data collection 1 Choose a participant a computer operator and 1 2 observers The participant walks and runs the computer operator will perform steps 2 7 below and the observers will make sure the participant is performing the correct trial and striking the force plate cleanly 2 Open the PASCO Capstone icon on the desktop Select the option that says Two Displays Once a new window has opened click the center icon within the top box and select Graph Once the graph is open choose Select Measurement on the y axis and choose Normal Force N For the x axis select Time 3



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