Rep Range and Weight and Their Effect on Toning and Bulking

In this episode of the Discover Strength Podcast, CEO and exercise physiologist Luke Carlson dives into one of the most enduring myths in strength training: the belief that repetition ranges and weight loads exclusively determine muscle strength, endurance, size, and tone. Luke debunks these misconceptions with research-backed insights, emphasizing that reaching muscle failure—whether at 5 reps with heavy weight or 45 reps with light weight—is the critical factor in achieving strength and endurance improvements.