Dworkin J P, Culatta R A
J Speech Hear Disord. 1980 May;45(2):277-82. doi: 10.1044/jshd.4502.277.
Maximum protrusive tongue strength was measured for two experimental groups of 35 normal speaking children and 21 children with frontal lisping, anterior tongue thrusting during swallow, and open-bite malocclusion, and a control group of 85 children with normal speech and occlusion who did not thrust their tongues during swallow. No significant differences in tongue strength were found among these groups. The findings were interpreted to support the view that tongue strengthening exercises recommended by some authors for the correction of tongue thrusting or associated frontal lisping may be superfluous.
对两组实验组和一组对照组的儿童测量了最大前伸舌力。两组实验组中，一组有35名正常说话的儿童，另一组有21名存在额部口齿不清、吞咽时舌前伸和开牙合错牙合的儿童；对照组有85名言语和咬合正常且吞咽时不伸舌的儿童。这些组之间未发现舌力有显著差异。这些发现被解释为支持以下观点：一些作者推荐的用于纠正舌前伸或相关额部口齿不清的舌强化训练可能是多余的。
