Lipitor is a brand name for atorvastatin, which is a medication used to lower cholesterol levels in the blood. According to the sources provided, Lipitor does not have any known effects on warm-up routines.

However, it is important to note that Lipitor may cause certain side effects that could potentially impact physical activity, including muscle pain, weakness, and fatigue [3]. These side effects are rare, but if experienced, it may be necessary to adjust one's warm-up routine accordingly. It is recommended to consult with a healthcare provider if any concerning side effects occur while taking Lipitor.

In conclusion, there is no evidence to suggest that Lipitor directly affects warm-up routines. However, it is important to be aware of potential side effects that may impact physical activity and to consult with a healthcare provider if any concerns arise.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://medlineplus.gov/druginfo/meds/a600045.html
[3] https://www.mayoclinic.org/drugs-supplements/atorvastatin-oral-route/side-effects/drg-20067003