Deload Weeks

What It Is

A week of reduced or skipped training, taken every few weeks on a schedule or when you decide you need it, to shed accumulated fatigue.

Why It Matters

Deload weeks are common practice in strength and physique sport: among competitive athletes who use them, the typical deload runs about six days and comes round every five or six weeks, taken mostly to manage fatigue, and is more often booked in advance than called on the day.¹ Boddy grades training advice on the strength, power, and muscle you build, and a scheduled deload may make little to no difference to it. Men new to lifting who cut their sets and sessions back in two weeks out of eight built as much muscle in those limbs as in the limbs that trained straight through, on about a fifth less total work, and gained the same on a ten-repetition maximum.² Trained lifters who took the middle week of a nine-week block off entirely finished with the same muscle thickness, jump height, and muscular endurance as the group that kept training, and a little behind on both measures of leg strength, though that result was imprecise enough to run either way.³

Neither reason lifters give for deloading has been borne out, and only one of them has been tested. The week off showed no sign of making muscle more responsive to training afterwards, which is the mechanism a deload is supposed to work through, and it did not clearly leave people feeling better for it: they reported more soreness and less motivation to train by the end than the lifters who trained through, differences the authors call modest and of questionable practical meaning, while sleeping better midway through the block.³ The other reason is joints. Nearly as many athletes deload because they feel beaten up, sore joints and aches included, as because the program says so, and many when an old injury starts acting up.¹ Nobody has tested whether deloading prevents injury. No trial of any deload form measured it, and the systematic review of injury in weightlifting and powerlifting reports that risk factors in both sports are still lacking,⁴ which leaves a deload nothing established to act on.

The other way to deload has not been tested at all: backing off when you decide you need it rather than when the calendar says so, which is how about half of surveyed athletes at least partly decide.¹ The nearest tested idea is letting effort set your loads instead of fixed percentages, and over a training block that builds about as much strength as a fixed plan, with what little lean there is favoring effort.⁵ So take the easier week when you want one. Cutting back does not appear to cost you the muscle you have built, so if you are beaten up, travelling, or short of time, expect to pick up where you left off. What no study supports is booking one in every few weeks in the hope of more strength, power, or size coming out of the other side, or of staying healthier for it, which is why this sits here rather than as advice under Strength Training. Give that attention to load, volume, and progression, where training choices do tie to what you build.

• 1 Rogerson, D. et al. (2024). Deloading practices in strength and physique sports: a cross-sectional survey. Sports Medicine - Open. doi.org/10.1186/s40798-024-00691-y
• 2 Pancar, Z. et al. (2026). Effects of deload periods in resistance training on muscle hypertrophy and strength endurance in untrained young men using a randomized within subject design. Scientific Reports. doi.org/10.1038/s41598-026-40612-5
• 3 Coleman, M. et al. (2024). Gaining more from doing less? The effects of a one-week deload period during supervised resistance training on muscular adaptations. PeerJ. doi.org/10.7717/peerj.16777
• 4 Tung, M.J.Y. et al. (2024). Injuries in weightlifting and powerlifting: an updated systematic review. BMJ Open Sport and Exercise Medicine. doi.org/10.1136/bmjsem-2023-001884
• 5 Hickmott, L.M. et al. (2022). The effect of load and volume autoregulation on muscular strength and hypertrophy: a systematic review and meta-analysis. Sports Medicine - Open. doi.org/10.1186/s40798-021-00404-9