Strength training guides
One page per training concept: a short definition first, then the numbers with sources, worked examples, matching exercises from the atlas and how to log it in SmartWorkout.
Intensity techniques
Techniques that make a set harder without adding sets: drop sets, myo-reps, rest-pause, cluster sets, top sets and back-off sets. Each one costs fatigue, so each page says when it pays off and how it counts toward weekly volume.
- Intensity techniques in lifting: which work, what they cost and when to use themIntensity techniques (also called advanced training techniques) extend a set or cut the rest, as drop sets, rest-pause and supersets do. In meta-analyses with similar work they built no more muscle than straight sets, but supersets, drop sets and rest-pause cut session time by a third or more.
- Drop sets: what they are, how to do them and how much weight to dropA drop set (also called a strip set or descending set) is a set taken to or near failure, then continued without rest after cutting the weight by about 20-30%. In meta-analyses, drop sets built about as much muscle as regular sets in less time. One drop on the last set is usually enough.
- Myo-reps: what they are and how to do the activation set and mini setsMyo-reps are a rest-pause method developed by Børge Fagerli: an activation set stopped 1-2 reps short of failure, then 2-5 mini sets of 2-4 reps with the same weight after 3-5 deep breaths (10-15 s). In an 8-week study they built muscle and strength about as well as straight sets, in shorter sessions.
- Rest-pause sets: what they are and how to do themA rest-pause set is a set taken to muscular failure, followed by a 20-30 s pause and more reps with the same weight, usually 1-2 times. In studies it built muscle about as well as straight sets in less time, and in some studies it added slightly more strength.
- Cluster sets in lifting: what they are and how to use themA cluster set is one set split into mini sets of 1-5 reps with short rests inside the set, usually 15-45 s. In meta-analyses, cluster sets built strength and muscle about as well as traditional sets, with less velocity loss and less fatigue during the session.
- Top set and back-off sets: what they are and how much weight to dropA top set is the heaviest working set of an exercise in a session, and back-off sets are 2-4 working sets after it, done after full rest and usually 5-20% lighter. In a 6-week study of powerlifters, 2 back-off sets at 80% of the top set weight gave clearer strength gains than the top set alone.
- Pyramid sets and ramping sets: how to add weight set by setPyramid sets change the weight from set to set: the load goes up while reps go down, for example 12, 10, 8. A reverse pyramid starts with the heaviest set, and ramping sets add weight at fixed reps. In a review of 15 studies, pyramids built no more strength or muscle than a constant weight.
- Warm-up sets: how many to do and what weight to use before working setsWarm-up sets are lighter sets done before your working sets: the weight goes up and the reps go down. Before a heavy compound lift, 3-5 sets from the empty bar to 85-90% of the working weight are enough. In studies, a warm-up with a set at 80% of the working weight beat light sets alone.
- AMRAP: what it means and how to do an AMRAP set at the gymAn AMRAP set (as many reps as possible) is a set in which you do as many clean reps as you can with a given weight. Plans write it as “10+”: a minimum with no upper limit. In CrossFit the same abbreviation means a timed workout: as many rounds as possible, e.g. in 20 minutes.
- Negative reps: how to train the eccentric phaseNegative reps (negatives, eccentric-only reps) are reps with only the eccentric phase: the weight is lowered over 3-5 s, and a partner, the other limb or a bench gets it back up. Muscles are 20-40% stronger when lowering. Studies of heavier lowering show no more muscle growth than regular sets.
Supersets and exercise groups
Two or more exercises done back to back: supersets, compound sets, tri-sets, giant sets and circuits. SmartWorkout names a group by one rule: whether all its exercises share a main muscle group.
- Supersets in the gym: what they are, examples and superset vs compound setA superset is two exercises for different muscle groups done back to back with no rest in between; you rest only after both. Two exercises for the same muscle group are usually called a compound set. In a meta-analysis of 19 studies, supersets cut session time by about 37% with similar tonnage.
- Compound sets in lifting: two exercises for one muscle, back to backA compound set is two exercises for the same muscle group done back to back without rest; three make a tri-set, four or more a giant set. In studies, the same workout done this way took 36-48% less time than straight sets with rest after every set, and muscles grew no more than with straight sets.
- Circuit training for strength: how to build a gym circuitCircuit training (a circuit) is 3 or more exercises, not all for the same muscle group, done one after another in rounds with a short move between stations. In two 8-week studies in trained lifters, circuits with sets close to failure built strength and lean mass about as well as straight sets, in less time.
- Giant sets in lifting: four or more exercises for one muscle, back to backA giant set is four or more exercises for the same muscle group done back to back without rest. Many guides also call any group of four or more exercises a giant set, including whole-body ones, which are better described as circuits. In the only long-term study, lifters rested 60 s after each round.
Effort and intensity
How close to failure you train: RIR, RPE, training to failure and lifting tempo. These pages explain the scales and how to rate a set honestly.
- Training intensity: percentage of 1RM vs proximity to failure and how to increase itTraining intensity has two meanings in lifting: load as a percentage of one-rep max (%1RM) and effort, meaning how close to failure a set ends (RIR). At 80% of 1RM lifters average about 9 reps to failure on the bench press and 13 on the leg press. Muscle grows from about 30% of 1RM when sets end close to failure.
- RIR (reps in reserve): what it means and how to estimate itRIR (reps in reserve) is the number of good reps left before failure when a set ends. RIR 0 means no reps left, and RIR 2-3 in a plan means ending the set with 2-3 reps still in the tank. In a meta-analysis of 12 studies, lifters had on average 1 rep more left than they thought.
- RPE scale for lifting: what it is and what RPE 8, 9 and 10 meanThe RPE scale (rating of perceived exertion) in strength training rates a set by the reps left in reserve: RPE 10 means none left, RPE 9 one and RPE 8 two. It is a different scale from the Borg scale used in endurance training, which rates overall exertion.
- Training to failure: when it helps and when it just adds fatigueTraining to failure means ending a set only when, despite full effort, you cannot complete the next rep through a full range of motion without changing your form. In a meta-analysis of 15 studies it built no significantly more muscle or strength than stopping short of failure, and it is clearly more fatiguing.
- Lifting tempo: how to read 3010, 31X0 and other tempo codesLifting tempo (rep tempo) is a code for how many seconds each of the four phases of a rep takes: lowering, pause in the stretch, lifting and pause at the top. A 3010 tempo means 3 s down and 1 s up with no pauses. In a meta-analysis of 8 studies with sets to failure, reps of 0.5 to 8 s built similar muscle.
Volume, frequency and rest
How many sets a muscle group gets each week, how to count them, how often to train it, how long to rest and how many reps to do. The volume zones MV, MEV, MAV and MRV are based on a meta-analysis of 67 studies.
- Training volume: what it is and what MEV, MAV and MRV meanIn hypertrophy training, training volume is the number of working sets a muscle group gets per week. In a meta-analysis of 67 studies, growth was measurable from about 4 weekly sets, with each extra set adding less; the 2026 ACSM position stand links 10 or more weekly sets to more growth.
- How to count sets per muscle group: direct, indirect and warm-up setsCounting sets per muscle group (fractional set counting) means adding up a week's working sets: 1 for the muscle that mainly does the movement, 0.5 for a muscle that clearly assists, 0 for warm-up sets. In a meta-analysis of 67 studies, this matched muscle growth better than counting assisting muscles as 1 or 0.
- How to prioritize lagging muscle groups: which 1-2 to pick and how many setsMuscle priority (prioritizing a lagging muscle group) is a plan in which 1-2 muscle groups get 4-8 more weekly sets than in a balanced plan, usually 12-18, while the rest stay at 4-10. In a meta-analysis of 67 studies, muscle growth rose with weekly sets, though each extra set added less.
- Rest between sets: how long to rest for hypertrophy, strength and fat lossRest between sets (rest interval) is the time from the end of one set to the start of the next. For hypertrophy, 1.5-2 minutes is usually enough, 2-3 minutes on heavy lifts and 3-5 minutes for sets of 1-5 reps. In a meta-analysis of 9 studies, rests shorter than a minute produced slightly less muscle.
- Training frequency: how many times a week to train each muscle groupTraining frequency is the number of sessions per week in which a muscle group does working sets. How often to train a muscle depends on weekly sets: with the same sets, muscles grow about the same with 1 or several sessions (meta-analysis of 25 studies). Strength improves more with 2 or more.
- Rep ranges: how many reps for hypertrophy, strength and cuttingA rep range is the span of reps, such as 8-12, in which a set with a given weight should end. For muscle growth the exact number matters little: in studies, muscle grew similarly with sets of about 5 to more than 30 reps close to failure, while strength grew most with loads of 80% of 1RM or more.
Progression
How to add reps or weight from week to week: progressive overload, double progression and what to do when you stall.
Periodization and planning
How to arrange weeks and blocks of training: linear, undulating and block periodization, mesocycles, deloads, training splits and building a plan.
- Periodization in strength training: linear, undulating and block modelsPeriodization is planned variation of load, sets and reps across weeks, usually in a linear, undulating or block model. In a meta-analysis of 35 studies it produced slightly larger strength gains than a program with constant sets and reps, but no extra muscle growth.
- Linear periodization training: how it works and who it's forLinear periodization (or traditional periodization) is a plan in which the load rises and the reps per set fall every few weeks, e.g. from 4 × 10 at 65% of 1RM to 5 × 3 at 85% over 12 weeks. In meta-analyses it built as much muscle as undulating periodization; in one, trained lifters gained a bit less strength with it.
- Undulating periodization: changing the load across the weekUndulating periodization is a plan in which the rep range and load change from session to session (daily undulating periodization, DUP) or every week, e.g. 8, 6 and 4 reps across three sessions. In meta-analyses muscle grew the same as with linear periodization; one of three found a strength edge in trained lifters.
- Block periodization: accumulation, transmutation and realizationBlock periodization is a plan built from consecutive blocks of 2-4 weeks (accumulation up to 6), each with one main goal: accumulation (more sets), transmutation (heavier sets) and realization (fewer sets before a test). In studies it built no more muscle, and results for strength are mixed.
- Mesocycle training: how long a training block lasts and how to plan oneA mesocycle (training block) is a block of several weeks, usually 4-8, built around one goal and often ending with a lighter week (deload). It is made of microcycles, usually one training week each, and several mesocycles form a macrocycle, usually a year.
- Deload week: what it means, how often to deload and how to do itA deload (deload week) is a planned period of lighter training, usually 5-7 days, that reduces fatigue before the next training block. Coaches cut the number of sets or reps by 30-50% and stop sets further from failure. In studies, neither a lighter week nor a week off reduced muscle growth.
- How to make a workout plan for the gym: exercises, sets, order and session lengthA workout plan (or workout program) is a written training week: days, exercises, sets, reps, reps in reserve (RIR) and rest. To make one, start with the number of days, then pick exercises and count weekly sets per muscle group. The 2026 ACSM position stand advises at least 2 sets per exercise and 2-3 reps in reserve.
- Workout splits: full body, upper/lower, push pull legs or bro splitA workout split is how you spread muscle groups across the week. Full body trains everything each session, upper/lower and push pull legs rotate 2 or 3 day types, and a bro split gives each muscle its own day. With equal weekly sets, full body and splits build similar muscle and strength (meta-analysis of 14 studies).
- Supercompensation: what the theory says, how long it takes and why it is a simplificationSupercompensation is a model in which performance drops after training, recovers and briefly rises above the starting level. It is a simplification: strength usually returns within 1-3 days after a hard session, and the fitness-fatigue model better explains why a hard block pays off only after a lighter week.
Glossary and how we write
Who writes these pages, how we use research and SmartWorkout data, and a glossary of training terms from A to Z.