Lipitor is a medication that is used to lower cholesterol levels in the body. The active ingredient in Lipitor is atorvastatin, which belongs to a class of drugs called statins. Statins work by inhibiting the enzyme HMG-CoA reductase, which is responsible for producing cholesterol in the liver [1].

There is limited information available on the effect of Lipitor on joint mobility. However, a recent study published in the Journal of Clinical Medicine investigated the association between statin use and joint pain in a large population of patients with osteoarthritis [2]. The study found that statin use was not associated with an increased risk of joint pain or decreased joint mobility in patients with osteoarthritis.

Another study published in the Journal of Pharmacy and Pharmacology investigated the effect of atorvastatin on joint inflammation and pain in a rat model of rheumatoid arthritis [3]. The study found that atorvastatin treatment reduced joint inflammation and pain in the rats, suggesting that it may have a beneficial effect on joint health.

In summary, there is limited information available on the effect of Lipitor on joint mobility. However, current evidence suggests that Lipitor use is not associated with an increased risk of joint pain or decreased joint mobility in patients with osteoarthritis, and may even have a beneficial effect on joint inflammation and pain in certain conditions [2][3].

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://pubmed.ncbi.nlm.nih.gov/35335899/
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8950153/