Training to failure

Initial failure

When the athlete has reached initial failure (i.e. fails to perform a further repetition), rather than ending the current set, the exercise can be continued by making the exercise easier (switching to another similar exercise e.g. pull-ups to chin-ups, switching to another (correct) form of the same exercise, switching to lower weight) or by recruiting help (from a spotting partner or by involving another body part). The athlete may also choose to use the rest-pause method or other advanced techniques.

Repetition maximum

Main article: One-repetition maximum

A repetition maximum (RM) is the maximum weight a person can lift for the indicated number of repetitions. For example, a 10RM is the weight at which a person can do 10 lifts, but fail to fully perform the 11th. Similarly, a 1RM, or one-repetition maximum, is the most a person can fully lift (at least) once.

Determining a repetition maximum must be done to true failure – by definition, it represents the weight and repetition count at which the person reaches failure, and can no longer lift. Therefore, this also can be considered a form of training to failure. Though 1RM is the most popular and commonly used, any number of repetitions can be used, such as 10RM or 15RM.

A 10RM weight is more useful in terms of training for hypertrophy than a 1RM. There is less consensus as to why a 10RM is actually safer; it may be because a 10RM can be performed with a much lower risk of joint injury (due to the lower weight), but also potentially because failure occurs due to absolute inability of the muscles to perform at the attempted weight (rather than due to fatigue).

Types of failure

There are multiple types of failure that can be reached before ending a set. They are listed here in order of increasing intensity.

• Pre-failure: The set is ended just before failure, as judged based on sensory feedback from the muscles and joints (proprioception).
• Tempo failure: The tempo or cadence used for the initial few repetitions can no longer be maintained. Additional repetitions cannot be performed at the same tempo.
• Form failure: Proper form or technique for repetitions can no longer be maintained. Additional repetitions cannot be performed using proper form.

When determining repetition maximum, form failure should be used. Training past form failure can cause joint and muscle injury and should never be attempted. Beginners should train to pre-failure or tempo failure, while focusing on maintaining proper form.

References

References

1. Len Kravitz. "Training to Failure".
2. (2022). "May the Force and Mass Be With You—Evidence-Based Contribution of Mechano-Biological Descriptors of Resistance Exercise". Frontiers in Physiology.
3. (April 2021). "Effects of Resistance Training Performed to Failure or Not to Failure on Muscle Strength, Hypertrophy, and Power Output: A Systematic Review With Meta-Analysis". The Journal of Strength & Conditioning Research.
4. (2022). "Effects of resistance training performed to repetition failure or non-failure on muscular strength and hypertrophy: A systematic review and meta-analysis". Journal of Sport and Health Science.
5. Tomasello, Nathan. "Max Reps vs. 1 Rep Max".
6. "High rep resistance training is a key to strength and no injuries".
7. (2006). "Practical Programming for Strength Training". The Aasgard Company.
8. "Injury Risk and the 'Cascade of Failure' — PT Direct".
9. "Should You Train to Failure (THE ANSWER!)".