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Table 1 The fraction of time during which the predicted muscle activation state matches the EMG derived activation state

From: Impact of antagonistic muscle co-contraction on in vivo knee contact forces

  Fraction of time with activation match
Muscle group Activity mean ± SD range across patients
Vasti Level walk 83 ± 06% 76–91%
Stair ascent 82 ± 03% 79–86%
Stair descent 66 ± 09% 57–83%
Gastrocnemii Level walk 69 ± 08% 60–79%
Stair ascent 89 ± 06% 78–95%
Stair descent 80 ± 06% 72–90%
Hamstrings Level walk 79 ± 09% 67–89%
Stair ascent 62 ± 08% 52–71%
Stair descent 69 ± 17% 54–92%