Lipitor is a medication that is used to lower cholesterol levels in the body, and it is known to be effective in reducing the risk of heart attacks and strokes [1]. However, there is no evidence to suggest that Lipitor has any effect on flexibility during yoga. The medication works by inhibiting an enzyme that is responsible for the production of cholesterol in the liver [2]. This results in a reduction of LDL (bad) cholesterol levels in the blood, which can lead to a decrease in the risk of heart disease.

The study published in the National Center for Biotechnology Information (NCBI) suggests that Lipitor can have some side effects, such as muscle pain and weakness [2]. However, there is no mention of any effects on flexibility during yoga. It is important to note that any medication can have side effects, and it is essential to consult a healthcare provider before starting any new medication.

According to a press release from EurekAlert, a study conducted on the effects of statins (a class of medications that includes Lipitor) on physical activity found that there was no significant impact on flexibility or other aspects of physical activity [3]. The study concluded that statins do not have any significant effect on physical activity, including yoga.

In conclusion, there is no evidence to suggest that Lipitor has any effect on flexibility during yoga. While Lipitor can have side effects such as muscle pain and weakness, there is no mention of any impact on flexibility during yoga in the sources provided. It is essential to consult a healthcare provider before starting any new medication and to discuss any concerns or questions about the medication's potential side effects.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://www.eurekalert.org/news-releases/922992