In a recent video, two sports physiology experts scrutinize 19 controversial fitness topics. Dr. Mike Israetel, who holds a Ph.D. and is a competitive bodybuilder, provides his scientific expertise. In 15 seconds each, they evaluate whether these practices are overrated or underrated. Their uncompromising analysis covers training, nutrition, and current fitness trends.

Cheat Reps: A Dead End for Your Muscles

Cheat reps, also known as “ego lifting,” are largely overrated according to experts. They increase injury risk and reduce targeted muscle stimulation. Progress tracking also becomes difficult. While some exercises like curls may benefit from slight momentum, proper technique remains paramount. Cheat reps may have limited utility but should generally be avoided.

They often reflect an egocentric approach to training at the expense of results. Progress and technique take priority over ego in the gym.

Muscle Soreness: A Misleading Indicator of Workout Effectiveness

Muscle soreness is often wrongly perceived as a sign of workout success. While it may indicate muscle stimulation, its absence doesn’t mean lack of growth. Many factors influence soreness, such as volume, intensity, and progression. It’s related to hypertrophy but isn’t essential. Focusing solely on soreness can be counterproductive.

The key is to progress regularly in your workouts. Soreness shouldn’t be a goal in itself but rather an occasional side effect.

The “Bro” Split: An Outdated Approach to Training Frequency

Training one muscle group per week, or “bro split,” is considered suboptimal. Smaller muscles like biceps recover much faster. This approach misses opportunities for muscle growth. Research shows that a frequency of 2-3 times per week per muscle group is preferable. The “bro split” can work but isn’t the most effective method.

It’s better to adapt frequency to each muscle’s recovery. A more balanced approach maximizes results for the same training time.

Training to Failure: A Double-Edged Sword for Your Gains

Training to muscle failure divides experts. Long considered essential, its importance is now nuanced. Research shows little difference with stopping 1-2 reps before failure. Its usefulness depends on training level and overall volume.

For beginners, going to failure can be beneficial. Advanced practitioners don’t necessarily need it for every set. Muscle failure remains one tool among many, to be used sparingly. Progression remains the key factor, with or without systematic failure.

Mind-Muscle Connection: An Overhyped Concept with Limited Benefits

The mind-muscle connection is often overvalued in the fitness world. While useful, it shouldn’t come at the expense of technique and load. Proper execution and consistent progression remain priorities.

The mind-muscle connection becomes relevant once these basics are mastered. It can improve the quality of muscle contraction. However, its real impact on gains is often exaggerated. An intense set remains stimulating even without strong mind-muscle connection.