No matter how many leg sets people did, their eating habits didn’t change—so differences in muscle growth or strength weren’t because of diet.
Scientific Claim
Nutritional intake, including total energy and macronutrient consumption, remains stable across resistance training groups with varying weekly set volumes over a 12-week period in resistance-trained males.
Original Statement
“There were no significant time–group interactions for consumption of either total energy (F2, 28 = 1.208, P = 0.319) or macronutrients (protein: F2, 28 = 2.159, P = 0.102; carbohydrate: F2, 28 = 0.304, P = 0.824; lipids: F2, 28 = 1.233, P = 0.309).”
Evidence Quality Assessment
Claim Status
appropriately stated
Study Design Support
Design supports claim
Appropriate Language Strength
definitive
Can make definitive causal claims
Assessment Explanation
Repeated measures and statistical non-significance (P > 0.1) across all macronutrients confirm stability in intake. The conclusion is directly supported and appropriately stated.
Evidence from Studies
Supporting (1)
Effects of Different Weekly Set Progressions on Muscular Adaptations in Trained Males: Is There a Dose–Response Effect?
The study didn’t check what the guys ate, but since they all got stronger in different ways without changing muscle size much, and nothing was said about their diets changing, it’s likely they all ate about the same.