Did you know? A 2021 study found that “In more than half of the patients, tensing of the abdomen, neck, and upper limbs was found. Less frequently, patients reported tensing the lower limbs, whole body, and buttocks”. It was also found that “patients with TTs have a greater total number of tics which are more severe, and they have more comorbidities.”
A 2021 study titled Tonic Tics in Gilles de la Tourette Syndrome investigated tonic tics, including their prevalence, age of onset, body distribution and relationship with tic severity. (Link)
A 2021 publication of European clinical guidelines described tonic tics as muscle contractions lasting longer than 300 milliseconds, without producing abnormal postures. (Link)
A 2020 review explained that tonic tics can involve brief tightening of abdominal or limb muscles, often without obvious movement. (Link)
A 2023 study investigating blocking tics in Tourette syndrome examined their relationship with tonic and dystonic tics, suggesting that some blocking phenomena may represent an extreme form of these sustained muscle contractions. (Link)
A Reddit user described experiencing tonic tics involving involuntary tightening of their abdominal muscles, sometimes disrupting their sleep. Another commenter reported similar experiences involving their core muscles. (Link)
A Reddit user described painful tonic tics involving their whole body twisting and their head pulling backwards, explaining how difficult the sustained muscle contractions were to tolerate. (Link)
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