Lipitor, also known as atorvastatin, is a medication used to lower cholesterol levels in the body. According to Drug Patent Watch [1], Lipitor is a statin drug that works by inhibiting the enzyme HMG-CoA reductase, which is responsible for producing cholesterol in the liver. Lowering cholesterol levels can reduce the risk of heart disease and stroke, but it is unclear how Lipitor specifically impacts physical mobility.

However, a study published in the Journal of Gerontology [3] suggests that statin use may be associated with decreased physical function in older adults. The study found that older adults who took statins, including Lipitor, had a greater decline in physical function over time compared to those who did not take statins. The authors suggest that statins may affect muscle function and cause muscle pain, which could contribute to decreased physical mobility.

Another study published in the journal Lipids in Health and Disease [2] found that Lipitor use was associated with a higher risk of muscle-related side effects, such as myopathy and rhabdomyolysis. These conditions can cause muscle weakness and pain, which could impact physical mobility.

Overall, while Lipitor can be an effective medication for lowering cholesterol levels, it may have negative effects on physical mobility, particularly in older adults. It is important for individuals taking Lipitor to be aware of potential side effects and to speak with their healthcare provider if they experience any muscle-related symptoms.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2949584/
[3] https://academic.oup.com/biomedgerontology/article/71/11/1519/2576933