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. Author manuscript; available in PMC: 2011 Feb 10.
Published in final edited form as: J Biomech. 2009 Oct 30;43(3):449. doi: 10.1016/j.jbiomech.2009.09.047

Figure 2.

Figure 2

A schematic showing force traces from different muscle models for simulated muscle ergometer test. The classic Hill-type muscle model does not reproduce any aspects of shortening induced force depression. Static force depression (ΔFstatic) occurs throughout the test, while transient force depression (ΔFtrans) occurs during the transient recovery period which begins when the muscle stops shorting (Ftrig). In order to accurately reproduce experimental data, both ΔFstatic and ΔFtrans is included.