case-control studies

Levels of Evidence Pyramid
Estimated Reading Time: 4 minutesEvidence-based fitness research refers to the systematic, scientific investigation of fitness-related questions. The “evidence-based” model is the standard for ranking the quality of findings provided by medical studies. Level 1 evidence is considered strong and compelling. Level 5 is very weak. The level is determined not by any particular finding […]

What is evidence-based fitness research?