GAIT STORYBOARD

• Preparations of the 2-D and 3-D motion capture system: Place the markers on all anatomical landmarks described on a separate paper.  Render an image representing the exact anatomic locations you chose on your subject.

• Stand with one foot on each force plate. The force vector and the ground reaction forces will vary in the x-, y- and z-axis over time. Explain how and why the ground reaction forces will vary over time? Could it be useful to know how the 3-D motion capture system coincides with the variations of the ground reaction forces?
• In some sports minimizing postural sway is crucial to the performance.  Name some of these sports. How would you train to improve this and how does the body adapt to make the sway smaller?
• Describe how COP likely will move during standing if you are affected by a ruptured Achilles tendon on the left side, compared to the right side.   
• Describe how a bioengineer can use force plates and a 3-D motion capture system to detect and correct imbalances of the body posture.  
• Ground reaction forces and 3-D motions during walking: Walk over the force plates with one foot contact on each force plate. A) Describe the differences in a gait cycle between a woman and a larger male by analyzing the recordings? B) Was it possible to detect differences regarding ground reaction forces between the right and the left foot (within one person)? Try to explain why these differences may occur?
• One male and one female student run at two different velocities (normal jogging and short interval velocity). Each velocity is performed with two different and commonly used running techniques: 1) Heal striking technique. 2) Front foot striking technique. The ground reaction force is registered on a force-plate simultaneously with a 3-Dimensional motion capture system. Start with a normal jogging pace. “Jog” with one foot contact on one of the force plates. After this both persons run at a short interval pace using the two different running techniques. One foot contact on one of the force plates. Finally both students run at a high pace side by side, using both running techniques, hitting one of the force plates simultaneously.
• Describe the major differences between walking and running.
• Was it possible to detect any differences between gender during running at different velocities and using different running techniques? Describe these differences.
• Why is it more efficient for all short distance runners and many elite distance runners, to use the front foot striking technique?
• Why do you think an elite 3000m runner run more efficiently than an elite marathon runner at a 3000m pace? Is it possible to measure the efficiency during running? 
• Discuss the risks of getting injured using two different running techniques, the heal-striking technique and the front foot striking technique by analysing the recordings from the lab?
• How does musculoskeletal a) pain and b) neuromuscular fatigue affect motor steering and control during walking and running, in general?
• Describe all possible benefits for different populations using the anti-gravity reducing treadmill that you viewed earlier.