REF-1228 · Bell et al., 2023 · Sports Medicine - Open · Paper · PubMed · Free full text

Is a deload just a week off?

Not asked: 21 strength and physique coaches agreed a deload cuts overall training demand, mostly sets, reps or sessions, and endorsed planned and fatigue-triggered deloads. Expert opinion only.

Cweak evidence: opinion or lab dataMeasured on a mixed group

Bell and colleagues invited 60 expert strength and physique coaches to a three-round online Delphi on how to build deloads into training.

Thirty-four answered 15 open questions in round 1; a reflexive thematic analysis turned their answers into 138 statements in four dimensions (general perceptions, applications, design and implementation, an inclusive deloading environment), which 29 coaches rated in round 2 and 21 re-rated in round 3 after seeing the group's answers.

Consensus was 70% or more agreeing (or disagreeing) in round 3, with "don't know" answers excluded.

The panel agreed that a deload is a reduction in overall training demand, achieved by cutting volume (sets, repetitions or sessions) and, if wanted, intensity or proximity to failure; that it differs from a taper by position (anywhere in the programme, not only before competition) and purpose (recovery and preparedness, not peaking); that it can be pre-planned, autoregulated or both, placed in the last (or first) week of a mesocycle or taken when the athlete feels physically and mentally fatigued regardless of the week; and that current practice rests on coach experience with limited scientific study.

From this and the literature the authors proposed a definition: "Deloading is a period of reduced training stress designed to mitigate physiological and psychological fatigue, promote recovery, and enhance preparedness for subsequent training." Our reading: a useful definition and a map of accepted practice, which is opinion; the panel's beliefs that deloads reduce injuries and overreaching are not evidence, and the authors themselves write that it is unclear whether deloading is needed to avoid non-functional overreaching.

Protocol

Design: online Delphi, three rounds (Qualtrics); thresholds, rounds and analysis fixed before recruitment; ethics approval by Sheffield Hallam University (ER45112574). Not pre-registered (none mentioned).
Panel selection: purposive sampling through coaching-science and strength-and-conditioning networks and social media. Inclusion: accreditation or certification from a relevant body (for example NSCA, UKSCA) or a relevant degree, and more than 3 years coaching a strength or physique sport. Strength sports: weightlifting, powerlifting, strongman/woman; physique: all bodybuilding categories.
Response: 60 invited; round 1 n = 34 (56.7%), round 2 29 of 34 (85.3%), round 3 21 of 29 (72.4%).
Round-3 panel (Table 1): age 34.8 ± 7.3 y; coaching experience 9.7 ± 6.1 y; 71.4% coaches, 9.5% sport scientists; working with powerlifting 81.0%, bodybuilding 57.1%, strongman/woman 9.5%, weightlifting 4.8%; highest level coached international 66.7%, Olympic 9.5%; employed in the United States 42.9%, United Kingdom 23.8%, Greece 9.5% (26.5% in round 1).
Round 1: 15 open questions in four categories, drafted from the lead author's earlier interview study; reflexive thematic analysis (deductive then inductive), 14 higher-order and 138 lower-order themes.
Rounds 2 and 3: 138 short statements rated strongly agree, agree, disagree, strongly disagree or don't know; round 3 showed each panellist their own round-2 answer and the group's frequencies.
Consensus: 70% or more agreement (agree plus strongly agree) or disagreement in round 3, "don't know" excluded; stability if the round-2 to round-3 change was 10% or less. The framework (their Fig. 2) was built from round-3 consensus statements; no fourth round checked it with the panel.
Funding and interests: no funding; the published declarations contain no competing-interests statement.

Key Results

Agreement with selected statements (Tables 2, 3 and 4; % of those with a view; consensus = 70% or more):

StatementRound 2 (n = 29) agree %Round 3 (n = 21) agree %
Deloading could be a reduction in overall training demand100.0100.0
Deloading could be a reduction in training volume96.6100.0
Deloading could be a reduction in training intensity96.6100.0
Deloading could be a reduction in training frequency89.7100.0
Deloading could maintain training demand17.99.5
Training intensity could remain the same during the deload, but the volume may drop86.295.2
Deloading is a form of tapering51.955.0 (no consensus)
Tapering occurs before competition whereas deloading can occur anywhere in the training programme92.995.2
Deloading could be pre-planned100.0100.0
Deloading could be autoregulatory100.0100.0
Deloading could occur when athletes feel physically and mentally fatigued regardless of training week in the mesocycle89.7100.0
Deloading could occur in the last week of a mesocycle96.695.2
Deloading could be included in each mesocycle96.4100.0
Deloading could only be used if training throughout the entire macrocycle is sufficient to drive adaptations42.350.0 (no consensus)
Deloading could be used to reduce injuries100.0100.0
Deloading could be used to reduce the risk of overreaching85.795.2
Current approaches to deloading are primarily based on coach experiential knowledge of deloading96.3100
There are limited scientific studies and understanding about deloading100.0100.0
Disagreement consensus: deloading should not differ for men and women (84.6% disagreed that it should); deloads should not keep training demand the same (90.5% disagreed).
Statements that look contradictory: both "Deloading could be a reduction in training frequency" and "During deloading training frequency may not alter" reached 100.0% in round 3; the "could" wording lets a panellist accept several options at once, which is how a menu, not a rule, came out.
Numbers that do not add up: Table 1 lists strongman/woman coaches in round 2 as "10.3% (1)" (1 of 29 is 3.4%; 10.3% is 3 of 29).Several statements reached round-3 consensus after moving more than the 10-point stability limit (for example "Training intensity could remain high during the deload" 69.0 to 81.0, "During deloading training frequency may not alter" 82.1 to 100.0); the paper does not say whether such statements were kept in the framework.The Methods once say the responses were "organized into the three dimensions", elsewhere four.

Mechanisms

Measured: nothing physiological; the agreement of coaches with statements about deloading.
Authors' interpretation: deloading mitigates physical and psychological fatigue, promotes recovery and prepares for the next block; because periodized training has not been shown superior to non-periodized training, regular pre-planned deloads may not be necessary, and autoregulated deloads may reduce the need for them; whether deloading enhances adaptation ("resensitization") is unknown, and it is unclear whether deloading is needed to avoid non-functional overreaching, which is rare in strength athletes even when it is induced deliberately.
Inference: a panel that agrees with every "could" statement on both planned and fatigue-triggered deloads is describing a menu of accepted practice; it cannot say which option works better, and agreement at 100% with an injury benefit that no study has tested shows how far coaching belief runs ahead of data.

Practical Application

Is a deload just a week off? Not asked: 21 strength and physique coaches agreed a deload cuts overall training demand, mostly sets, reps or sessions, and endorsed planned and fatigue-triggered deloads. Expert opinion only.
Use the definition, not the folklore: when an athlete or the plan says "deload", the consensus meaning is less volume (fewer sets, repetitions or sessions), intensity often kept; whether a full week off counts was not asked, and "a natural break in training" reached 100% (C, strength and physique coaches; reading a week off as one end of the range is our inference).
Either trigger is accepted practice: coaches endorse pre-planned and fatigue-triggered deloads alike (100% each in round 3); the base's rule — signals first, a planned lighter week acceptable (SYNTH-29) — is consistent with expert practice; neither is shown better.
Do not cite benefits from this paper: "Deloading could be used to reduce injuries" and "... to reduce the risk of overreaching" were panel beliefs; the authors write that it is unclear whether deloading is needed to avoid non-functional overreaching and that research on training load and injury in strength sports is limited.
For the evidence on cost: a reduced-volume deload in untrained lifters cost nothing measurable (REF-1226, B+); a full week off in trained lifters cost some strength (REF-217, B).

Limitations

Expert opinion: consensus of coaches, no outcome data, no systematic review behind the statements; agreement measures shared belief, not effect.
Small, shrinking panel: 34 to 21 over three rounds (38% lost); the round-3 panel was 42.9% United States and mostly powerlifting and bodybuilding coaches; weightlifting and strongman were represented by one or two coaches.
Source of statements: round-1 questions came from the lead author's own interview study, and the same authors analysed and wrote the statements; the authors acknowledge researcher bias and expert selection as known Delphi weaknesses.
"Could" wording: most statements permit an option rather than test a preference, so near-universal agreement is easy and contradictory options can both reach 100%.
Bearing on [SYNTH-29]: strength and physique sport only; nothing here is about endurance recovery weeks, and the panel's endorsement of planned deloads does not show that they help.
Reporting: a Table 1 percentage that does not match its count; consensus reached after shifts larger than the stated stability limit without saying whether those statements were kept; "three" vs four dimensions.
Funding and interests: no funding; no competing-interests statement in the published declarations.
How this entry was checked and changed
Why this level

expert opinion, read from the full text (open access, CC BY 4.0): a consensus of n = 34 coaches in round 1 and 21 in round 3, whose statements came from the panel's own free-text answers and an earlier interview study by the lead author, with no systematic evidence review behind them; the rubric places expert opinion at C, below a governing-body consensus built on systematic review

Full text (checked 2026-10-27)
Sixty participants were invited to participate, with 34 completing the first round (56.7% response rate), 29 of 34 completing the second round (85.3% response rate) and 21 of 29 completing the third round (72.4% response rate) (full text)
Consensus was defined as ≥ 70% of the panel agreeing/strongly agreeing or disagreeing/strongly disagreeing with a statement in the third round; consensus was considered stable if the response varied by ≤ 10% between the second and third round (full text)
Proposed definition: "Deloading is a period of reduced training stress designed to mitigate physiological and psychological fatigue, promote recovery, and enhance preparedness for subsequent training" (full text)
Deloading could occur when athletes feel physically and mentally fatigued regardless of training week in the mesocycle: 89.7 agreement in round 2, 100.0 in round 3 (full text)
Deloading could be pre-planned: 100.0 in rounds 2 and 3; deloading could be autoregulatory: 100.0 in rounds 2 and 3 (full text)
Deloading could maintain training demand: 17.9 agreement in round 2, 9.5 in round 3 (full text)
Deloading could be used to reduce injuries: 100.0 agreement in both rounds (full text)
Strongman/woman: 11.8% (4) in round 1, 10.3% (1) in round 2 (full text)
Round-3 panel: highest level coached International 66.7% (14), Olympic 9.5% (2); employed in the United States 42.9% (9) (full text)
No sources of funding from any funding agency in the public, commercial, or not for profit sectors were used to assist in the preparation of this article (full text)
Content correction 2026-10-27
Correction 2026-10-27: pointers to SYNTH-29 aligned with its 2026-10-27 rewrite (single-run rule for runners; deload on signals first, a planned lighter week acceptable).