Table 1.
Selected stimulus intensity from stimulus–response curves presented as a percentage of stimulus intensity to elicit active and resting motor thresholds
| Vastus lateralis | Rectus femoris | Vastus medialis | ||
|---|---|---|---|---|
| 10% MVC |
RMT |
135 ± 26 |
138 ± 26 |
129 ± 20 |
| |
|
(109 – 175) |
(109 – 175) |
(107 – 160) |
| |
AMT |
179 ± 48 |
187 ± 46 |
177 ± 46 |
| |
|
(120 – 250) |
(120 – 250) |
(117 – 250) |
| 20% MVC |
RMT |
117 ± 27 |
113 ± 15 |
114 ± 16 |
| |
|
(86 – 175) |
(86 – 133) |
(92 – 140) |
| |
AMT |
154 ± 40 |
151 ± 32 |
156 ± 36 |
| |
|
(100 – 200) |
(120 – 200) |
(100 – 200) |
| 50% MVC |
RMT |
96 ± 21 |
100 ± 23 |
98 ± 21 |
| |
|
(71 – 127) |
(75 – 140) |
(67 – 120) |
| |
AMT |
124 ± 22 |
131 ± 26 |
132 ± 27 |
| (100 – 150) | (100 – 175) | (86 – 160) |
AMT: active motor threshold; MVC: maximal voluntary force; RMT: resting motor threshold. For rectus femoris, values from the stimulus–response curve at 10% MVC are n = 7. Values are expressed as means ± standard deviation and (range).