Lipitor is a medication that is used to lower cholesterol levels in the blood. The active ingredient in Lipitor is atorvastatin, which works by blocking an enzyme that is responsible for producing cholesterol in the liver [1]. While there is no direct evidence that suggests that Lipitor can hinder range of motion, some studies have suggested that there may be a link between the use of statins, like Lipitor, and muscle pain or weakness [2]. However, the risk of developing muscle problems as a result of taking Lipitor is relatively low, and the benefits of the medication in terms of reducing the risk of heart disease and stroke generally outweigh the potential risks [3].

It is important to note that while taking Lipitor, it is recommended to follow a healthy diet and exercise regularly to improve overall health and reduce the risk of heart disease [3]. A balanced diet can help to lower cholesterol levels and improve overall health, while regular exercise can help to improve range of motion and muscle strength. Therefore, it is important to consult with a healthcare provider before starting any new medication or exercise regimen [3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4679305/
[3] https://www.mayoclinic.org/healthy-lifestyle/consumer-health/expert-answers/food-and-nutrition/faq-20057918