. Author manuscript; available in PMC: 2014 Apr 11.

Published in final edited form as: J Speech Lang Hear Res. 2009 Aug 28;52(6):1530–1554. doi: 10.1044/1092-4388(2009/08-0020)

Table 7.

Linear regression between peak frequency of electromyography (EMG) modulation for jaw elevator and depressor muscle groups across associated jaw movement for jaw oscillation, chewing, and multisyllabic vocalizations.

Task	r	r²	m_(slope)	b_(intercept)	p
EMG Elevators × Jaw Kinematics
Jaw Oscillation	.635	.403	.798	0.013	< .001^a
Chewing	.497	.247	.843	0.273	< .001^a
Multisyllabic	.071	.005	.119	1.04	.183
EMG Depressors × Jaw Kinematics
Jaw Oscillation	.724	.403	.798	0.013	< .001^a
Chewing	.194	.038	.523	0.606	< .001^a
Multisyllabic	.013	.000	.030	1.21	.812

Note. α = .05.

Statistically significant.