The following is a list of the materials used for the experiment.

(Materials used to create the insoles)
  1. Felt x1 piece 50cmx50cm
  2. Cardboard x1 piece 50cmx50cm
  3. Foam x1 piece 50cmx50cm
  4. Bubble wrap x1 piece 50cmx50cm
  5. Insole from a proper sport shoe x1 piece 50cmx50cm
(other equipment needed to carry out the experiment)

  1. Marker x1
  2. Pendulum (or any other round metal object.) x1
  3. Cutting board x1
  4. Device able to record a video x1
  5. Device/software able to slow down the recording x1
  6. Scissors x1
  7. Duct Tape x1 roll

The following describes the procedure carried out in the experiment.

A (Making the insoles for the shoe.)
  • Mark out the sole of the shoe onto the material that the insole is going to be made of with a marker.
  • Using a pair of scissors, carefully cut out the marked out area.
  • Repeat steps 1 and 2 for as many soles needed.

B (Testing for the shock absorbtion of the soles.)
  • Take 1 of the insoles and place it in the shoe.
  • Using the cutting board as a marker, mark out the initial starting height where the pendulum is going to be released from. This will be kept constant throughout the experiment.
  • Mark a point on the cutting board at 40 cm and tape it a vertical flat surface (the wall) with the 0 mark for both the x and y axis is in contact with the floor.
  • Place the insole on the floor next to the cutting board
  • Place the device with the camera function onto the tripod
  • Start recording
  • Bring the pendulum to the point marked on the cutting board
    Release the pendulum and wait for it to stop bouncing completely
  • Stop the recording.
  • Change the insole currently in use with another one.
  • Repeat the above steps for as many insoles you have prepared.

C (to retrieve data.)
  • Retrieve the recorded clips from the camera
  • Put it into a editing software (iMovie)
  • Slow the video down and look for the highest point of rebound
  • Record in down
  • Repeat 2 to 4 for every clip.


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