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.

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