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Table 2 Normalized motor-evoked potential amplitudes at selected stimulus intensity from stimulus–response curves for all quadriceps muscles

From: Resting and active motor thresholds versus stimulus–response curves to determine transcranial magnetic stimulation intensity in quadriceps femoris

 

Vastus lateralis

Rectus femoris

Vastus medialis

10% MVC

34.5 ± 20.5

75.8 ± 16.1

43.4 ± 21.6

 

(13.2 – 75.9)

(53.3 – 98.7)

(14.3 – 82.1)

20% MVC

42.9 ± 16.7

82.8 ± 18.7

52.8 ± 18.9

 

(22.9 – 69.2)

(58.6 – 111.0)

(16.9 – 82.6)

50% MVC

45.3 ± 11.1

85.9 ± 22.2

49.7 ± 10.8

 

(28.1 – 63.3)

(62.4 – 130.5)

(30.2 – 69.5)

  1. MVC: maximal voluntary force. For rectus femoris, values from the stimulus–response curve at 10% MVC are n = 7. Normalized motor-evoked potential amplitudes are expressed as means  ±  standard deviation and (range).