Based on the information provided, there is no direct answer to how Lipitor has affected a specific workout routine as no personal experience or case study has been mentioned. However, I can provide some insights based on the general information available about Lipitor.

Lipitor, also known as atorvastatin, is a medication used to treat high cholesterol levels [1]. It works by reducing the production of cholesterol in the body, thereby helping to prevent heart disease and stroke [1].

In terms of physical activity, the Mayo Clinic states that regular exercise can help lower cholesterol levels, along with a healthy diet [2]. However, they do not specify any direct interaction between Lipitor and workout routines.

A study published in the Journal of Clinical Lipidology found that statins like Lipitor do not have a significant impact on exercise capacity or muscle performance [3]. This suggests that Lipitor use should not directly affect a person's ability to perform a workout routine.

However, it's always important to consult with a healthcare provider before starting any new medication or exercise program. Some people may experience muscle pain or weakness as a side effect of statins [2], which could potentially impact a workout routine.

In conclusion, while Lipitor does not have a direct impact on workout routines based on the available information, it's always best to consult with a healthcare provider to ensure safety and effectiveness in managing cholesterol levels and maintaining an active lifestyle.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LIPITOR
[2] https://www.mayoclinic.org/diseases-conditions/diabetes/in-depth/diabetes-management/art-20047963
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2949584/