We answer the popular question: Should I run before or after lifting? While the answer depends on your goals, research offers some concrete advice.
Should You Do Cardio After Leg Day? What the Science Says
How Long Does It Take to Get Fit Again? - The New York Times
Should I run before or after my workout?
What Muscles Does Running Work?
Training For a Marathon: How To Prepare
Does Running Build Muscle? All You Need to Know
Cardio: Everything You Need to Know About Cardio Exercise
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Want to sleep better? Lift some weights