Lipitor is a medication that is used to lower cholesterol levels in the blood. It is a type of drug known as a statin, which works by inhibiting an enzyme that is responsible for producing cholesterol in the liver. While there is no direct information available on how Lipitor impacts flexibility during yoga, there are some indirect effects that may be relevant.

One study published in the Journal of Clinical Lipidology [2] found that statin therapy, including Lipitor, was associated with a decrease in muscle strength and physical performance in older adults. The study concluded that these effects may be due to the impact of statins on the production of coenzyme Q10, which is involved in energy production in the muscles.

Another study published in the Journal of the American College of Cardiology [3] found that statin therapy was associated with an increased risk of musculoskeletal conditions, including joint and muscle pain. This could potentially impact flexibility during yoga, although the study did not specifically examine this issue.

It is important to note that while these studies suggest that Lipitor may have some impact on muscle function, they do not provide direct evidence on how it may impact flexibility during yoga. It is also important to consider the potential benefits of Lipitor in reducing cholesterol levels and preventing cardiovascular disease, which may outweigh any potential negative effects on muscle function.

Sources:
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3463373/
[3] https://www.eurekalert.org/news-releases/922992