posterior cervical weakness, and dysphagia. 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 ...

posterior cervical weakness, and dysphagia. Still, Marques said in an email to MedPage Today, "Clinicians can now propose botulinum toxin injections more confidently in splenius capitis muscles to ...

For patients with isolated or essential head tremor, injection of botulinum toxin into each splenius capitis muscle on ... including head and neck pain, posterior cervical weakness, and dysphagia.