Muscle rigidity is when your muscles become stiff and hard to move. It can make it difficult for you to bend or straighten your limbs, and can cause pain and discomfort. Full definition
During surgery, they replaced apomorphine with a placebo and recorded from single neurons in the thalamus along with the assessment of muscle rigidity of the arm. (physoc.org)
Drug interactions: Taking St. John's wort with antidepressants may lead to too - high levels of serotonin in your body, which can result in serious side effects including muscle rigidity and seizures. (health.com)
In the case of haloperidol, they found that one side effect — such as muscle rigidity — involved one set of genes while another side effect — such as spasms — involved a different set of genes. (sciencedaily.com)