Disclaimer

No medical advice

Nothing on LiftCodex is medical advice, diagnosis, or treatment, and nothing here is a substitute for it. Using this site does not create a doctor patient or coach client relationship.

Speak to a qualified professional before starting or changing a training or nutrition programme, especially if you are pregnant, under 18, over 65, returning from injury or surgery, or living with any cardiovascular, metabolic, musculoskeletal, or eating related condition, or taking medication that affects heart rate, blood pressure, or hydration.

Never disregard professional medical advice, or delay seeking it, because of something you read here. If you think you are having a medical emergency, call your local emergency number immediately.

Assumption of risk

Resistance training carries an inherent risk of injury, including strains, tears, fractures, and in rare cases life threatening events. That risk rises when you train near maximal loads, use unfamiliar technique, train without a spotter or safety pins, or push through pain. You are solely responsible for your own safety and for deciding whether any exercise, load, or programme is appropriate for you. If you choose to act on information from this site, you do so at your own risk.

Calculators produce estimates, not measurements

Every calculator here applies a published formula to the numbers you type in. The output is an estimate with real error bars, and it can be materially wrong for any individual.

• One rep max estimates (Epley, Brzycki, and similar) get less reliable as reps go up. Above roughly 10 reps they are rough guidance at best. An estimated max is not a tested max: never load a bar to a calculated number and attempt it without proper warm up, technique, and safety equipment.
• TDEE, calorie, and macro figures come from population averages (such as Mifflin St Jeor). Individual metabolic rate varies substantially. Treat any figure as a starting point to adjust from based on your own results over several weeks.
• Body fat and ideal body weight estimates from tape measurements or formulas are approximations. They are not comparable to DEXA or hydrostatic weighing, and "ideal" weight formulas are dated heuristics, not health targets.
• Scoring formulas (Wilks, DOTS, IPF GL) are implemented from published coefficients. For anything official, the numbers issued by the relevant federation are what count, not ours.

Strength standards are reference points, not verdicts

Our strength levels describe roughly where a lift sits relative to the training population, adjusted for bodyweight. They are drawn from published data and statistical distributions, and are not a peer reviewed instrument. Sampling, self reporting, differing depth and technique standards, and equipment differences all introduce error. Treat a level as a rough reference point, not a judgement of you or a target you owe anyone. Progress that is safe and repeatable beats progress that hits a bracket.

Nutrition and supplements

Supplement content is educational and does not constitute a recommendation to take anything. Supplements are regulated inconsistently across markets, can interact with medication, and are not required for progress. Consult a doctor or registered dietitian before adding one, and if you compete under an anti doping code, verify every product against your federation's rules. We take no responsibility for a failed drug test.

Third party programs

Program summaries (StrongLifts, Starting Strength, 5/3/1, PPL, Texas Method, GZCLP, and others) are descriptive references to published work by their respective authors. LiftCodex is not affiliated with, endorsed by, or sponsored by any of them. Our summaries are condensed and may omit important detail: consult the original source before following a programme.

Accuracy and beta status

LiftCodex is in beta. We work to keep content accurate and current, but we make no warranty that it is complete, correct, or up to date, and exercise science moves. Content may be changed or removed at any time. If you spot an error, please tell us at [email protected].

External links

We link to third party sites we consider useful. We do not control them and are not responsible for their content or accuracy. A link is not an endorsement.

Advertising and affiliates

LiftCodex currently runs no advertising and earns no affiliate commission. Nothing on the site is a paid placement. If that changes, we will disclose it here and on any affected page before it goes live.

Limitation of liability

To the fullest extent permitted by law, LiftCodex accepts no liability for any injury, loss, or damage arising from use of this site or reliance on its content. See our Terms of Service for the full clause, including the rights that cannot be excluded.

Contact

Questions about this disclaimer: [email protected]