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. 2017 Jan 20;5(2):e13111. doi: 10.14814/phy2.13111

Figure 4.

Figure 4

Mean electromyography amplitude of the vastus lateralis during fast (f) and slow (s) CL and EO for: (A) concentric and (B) eccentric phases. *= 000.4 CL versus EO across all three sets. EO, Eccentric Overload; CL, Constant load.