Spasticity is involuntary overactivity of muscles that occurs following upper motor neuron damage to the brain or spinal cord. Upper limb spasticity is common after stroke and can cause deformity, ...

Trigger finger is a condition in which a person’s finger locks or catches if they try to straighten or bend it. Most people experience trigger finger in the fourth (ring) finger or the thumb, but it ...

Despite the seriousness of botulism, local injections of botulinum toxin type A are well tolerated and serious side effects are rare. Adverse events can be classified as local or systemic. [56] Local ...