Botulinum toxin injection of the subscapularis muscle

Ece Unlu, Tulin Sen, Ebru Umay, Burcu Bal, Alaittin Elhan, Aytul Cakci
Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia 2010, 17 (10): 1265-6
Patients with hemiplegia frequently suffer from pain and have a limited range of motion (ROM) of the shoulder. The common pattern of shoulder movement in a patient with spastic hemiplegia is primarily adduction and internal rotation. Spasticity of the subscapularis muscle limits the abduction, external rotation and flexion of the shoulder. Injection of botulinum toxin or application of phenol can reduce the spasticity of the subscapularis muscle and various techniques to inject this muscle have been reported. We injected five patients with hemiplegia with botulinum toxin using our previously reported inferior approach, which is easy, safe and effective. We observed a reduction in pain and spasticity and improvement in the ROM of the shoulder for all patients.

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