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. Author manuscript; available in PMC: 2009 Jan 1.
Published in final edited form as: J Biomech. 2008 Jul 7;41(10):2082–2089. doi: 10.1016/j.jbiomech.2008.05.013

FIGURE 1. Custom built force-measuring treadmill.

FIGURE 1

The treadmill has dual belts that are each mounted with a separate force platform as its base to measure ground reaction forces from each leg separately. The belts are 24 inches wide and mounted flush with the floor. The distance between the two belts is 0.75 inches. Each belt is connected to a separate motor (2.5 kW). Average belt speed variation when adult subjects walk on the treadmill at 1.25 m/s is 1.8%. Details of the measuring capabilities of the force treadmill are included in Collins et al. (Collins et al., 2008).