Injection of botulinum toxin into each splenius capitis muscle on day 0 and during week 12 was more effective than placebo in reducing the severity of isolated or essential head tremor at 18 weeks ...

The treatments were administered under electromyographic guidance into splenius capitis muscles on the day of randomization and again during week 12.

Conclusions (1) Both neck extensor muscle strength and EMG level of college students with CNP were significantly lower than those of healthy college students. (2) Both splenius capitis muscles and ...