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Normative data on motor unit amplitude and duration for the laryngeal muscles from (Koivu, Jaaskelainen and Falck, 2002) CT is Cricothyroid, TA is thyroarytenoid.
| Measures | CT amp μV | TA Amp μV | CT dur ms | TA dur ms |
|---|---|---|---|---|
| Men Mean/S.D. | 331.3/ 86 | 395.8/84.97 | 4.5/ 0.56 | 4.4/ 0.47 |
| Women Mean/S.D. | 232.8/ 51.7 | 307.4/ 97.3 | 4.7/ 0.8 | 4.7/ 0.7 |
| All Mean/S.D. | 282.0/ 86.1 | 349.4/ 100.6 | 4.6/ 0.7 | 4.5/ 0.6 |
