On the Reliability and Repeatability of Surface Electromyography Factorization by Muscle Synergies in Daily Life Activities

<div>A paradigmatic example of the mean value of muscle synergy vectors in the 4-synergy model related to the ascending task for one subject for each session. The mean has been obtained averaging the repetitions of the same session. For visualization purposes, muscle synergy vectors are normalized to unity. Muscle numbers: 1: TFL; 2: REF; 3: VLAT; 4: VMED; 5: PERO; 6: TA; 7: SOL; 8: GLU; 9: SEMT; 10: BIF; 11: LGAS; 12: MGAS.</div>

Applied Bionics and Biomechanics

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Figure 4

Figure 4: On the Reliability and Repeatability of Surface Electromyography Factorization by Muscle Synergies in Daily Life Activities 