[{"data":1,"prerenderedAt":729},["ShallowReactive",2],{"lexique-en-muscle-failure":3,"lexique-all-en":222,"lexique-trans-en-muscle-failure":723},{"id":4,"title":5,"author":6,"body":7,"category":194,"description":195,"extension":196,"faq":197,"lang":207,"lead":200,"letter":208,"meta":209,"navigation":210,"path":211,"ref":13,"related":212,"resources":217,"seo":218,"sources":217,"stem":219,"updated":220,"__hash__":221},"lexique/lexique/en/muscle-failure.md","Muscle failure","Ekklo",{"type":8,"value":9,"toc":184},"minimark",[10,14,19,29,32,35,38,43,56,60,93,97,153,157,171,175],[11,12,5],"h1",{"id":13},"muscle-failure",[15,16,18],"h4",{"id":17},"definition","Definition",[20,21,22,23,28],"p",{},"Muscle failure is reached when no further clean rep is possible despite maximal effort (",[24,25,27],"a",{"href":26},"/ressources/lexique-fitness/rir-reps-in-reserve","RIR"," 0). It is a useful intensity dose at times, not a requirement on every set.",[30,31],"blockquote",{},[20,33,34],{},"💡 Coaching-oriented definition: useful to explain the idea to a client and place it in a plan — not just vocabulary.",[36,37],"hr",{},[39,40,42],"h3",{"id":41},"why-it-matters-in-coaching","Why it matters in coaching",[44,45,46,50,53],"ul",{},[47,48,49],"li",{},"Shared language between coach and client",[47,51,52],{},"Helps dose volume, intensity or nutrition toward a goal",[47,54,55],{},"Reduces “harder is better” confusion",[39,57,59],{"id":58},"how-to-apply-it","How to apply it",[61,62,63,70,81,87],"ol",{},[47,64,65,69],{},[66,67,68],"strong",{},"Explain"," it in one plain sentence (see lead above)",[47,71,72,75,76,80],{},[66,73,74],{},"Link"," it to a measurable lever (",[24,77,79],{"href":78},"/ressources/lexique-fitness/rpe-rate-of-perceived-exertion","RPE",", sets, calories, minutes, load)",[47,82,83,86],{},[66,84,85],{},"Track"," one variable for 2–4 weeks before rewriting the plan",[47,88,89,92],{},[66,90,91],{},"Adjust"," if recovery, adherence or technique slip",[39,94,96],{"id":95},"practical-cues","Practical cues",[98,99,100,116],"table",{},[101,102,103],"thead",{},[104,105,106,110,113],"tr",{},[107,108,109],"th",{},"Situation",[107,111,112],{},"Coach question",[107,114,115],{},"Typical action",[117,118,119,131,142],"tbody",{},[104,120,121,125,128],{},[122,123,124],"td",{},"Client stalled",[122,126,127],{},"Is stimulus enough and recoverable?",[122,129,130],{},"Change one variable (volume, intensity, rest)",[104,132,133,136,139],{},[122,134,135],{},"Client exhausted",[122,137,138],{},"Overreaching or just poor sleep?",[122,140,141],{},"Deload, sleep, calories",[104,143,144,147,150],{},[122,145,146],{},"Client confused",[122,148,149],{},"Shared vocabulary?",[122,151,152],{},"Return to definition + concrete example",[39,154,156],{"id":155},"common-mistakes","Common mistakes",[44,158,159,162,165,168],{},[47,160,161],{},"❌ Using the term without a programming decision",[47,163,164],{},"❌ Stacking too many intensification methods at once",[47,166,167],{},"❌ Ignoring recovery, protein and adherence",[47,169,170],{},"❌ Copying an internet protocol with no client context",[39,172,174],{"id":173},"takeaway","Takeaway",[20,176,177,179,180,183],{},[66,178,5],{}," only matters if it helps you ",[66,181,182],{},"decide better",": what to do this week, at what dose, and how to measure the outcome.",{"title":185,"searchDepth":186,"depth":186,"links":187},"",2,[188,190,191,192,193],{"id":41,"depth":189,"text":42},3,{"id":58,"depth":189,"text":59},{"id":95,"depth":189,"text":96},{"id":155,"depth":189,"text":156},{"id":173,"depth":189,"text":174},"training","Muscle failure is the point where you cannot complete another clean rep with the target technique — RIR 0 / RPE 10.","md",[198,201,204],{"q":199,"a":200},"What is Muscle failure?","Muscle failure is reached when no further clean rep is possible despite maximal effort (RIR 0). It is a useful intensity dose at times, not a requirement on every set.",{"q":202,"a":203},"Why should coaches know Muscle failure?","Because it drives real programming, nutrition or recovery decisions. Without shared language, clients misread cues and tracking gets fuzzy.",{"q":205,"a":206},"How do I use it without overcomplicating the plan?","Pick one measurable lever tied to the idea, explain it in one sentence, track it 2–4 weeks, then adjust. A useful definition serves decisions, not jargon.","en","M",{},true,"/lexique/en/muscle-failure",[213,214,215,216],"rpe-rate-of-perceived-exertion","rir-reps-in-reserve","hypertrophy","dropset",null,{"title":5,"description":195},"lexique/en/muscle-failure","2026-07-27","U1C5PPdm-4qegNrIipRBWMDonJRMuNrS7CeXFA___yo",[223,227,231,235,239,243,247,251,255,259,263,267,271,275,279,283,287,291,295,299,303,307,311,315,319,323,327,331,335,339,343,347,351,355,359,363,367,371,374,378,382,386,390,394,398,402,406,410,414,418,422,426,430,434,437,441,445,449,453,457,461,465,469,473,477,481,485,489,493,497,501,505,509,513,514,518,522,526,530,534,538,542,546,550,554,558,562,566,570,575,579,583,587,591,595,599,601,603,607,611,615,619,623,627,631,635,639,643,647,651,655,659,663,667,671,675,679,683,687,691,695,699,703,707,711,715,719],{"title":224,"description":225,"slug":226,"ref":226},"1RM (One-Rep Max)","1RM is the heaviest load you can lift for one clean repetition — the reference for strength programming and percentages.","one-rep-max",{"title":228,"description":229,"slug":230,"ref":230},"AMRAP - As Many Reps/Rounds As Possible","AMRAP is a high-intensity training format: do as many reps or rounds as possible in a fixed time. CrossFit favorite.","amrap-as-many-reps-rounds-as-possible",{"title":232,"description":233,"slug":234,"ref":234},"ATP (Adenosine Triphosphate)","ATP is the universal energy currency of the body. Every muscle contraction, every cellular function depends on it.","atp-adenosine-triphosphate",{"title":236,"description":237,"slug":238,"ref":238},"Abduction","Discover what abduction is in bodybuilding, this movement which moves a limb away from the central axis of the body to develop the stabilizing muscles.","abduction",{"title":240,"description":241,"slug":242,"ref":242},"Active recovery","Active recovery uses light activity to speed muscle recovery. Find out how to effectively integrate it into your routine.","active-recovery",{"title":244,"description":245,"slug":246,"ref":246},"Adduction","Adduction is a movement that brings a body part toward the body's midline. Opposite of abduction.","adduction",{"title":248,"description":249,"slug":250,"ref":250},"Aerobic System","The aerobic system produces energy with oxygen, fueling long-duration efforts. It's the foundation of endurance and recovery.","aerobic-system",{"title":252,"description":253,"slug":254,"ref":254},"Anabolic window","The anabolic window is the post-workout period considered ideal for nutrition. The reality: it's much longer than thought.","anabolic-window",{"title":256,"description":257,"slug":258,"ref":258},"Anaerobic System","The anaerobic system produces energy without oxygen — for explosive, intense efforts. Limited but powerful, it fuels strength and sprints.","anaerobic-system",{"title":260,"description":261,"slug":262,"ref":262},"BCAA","BCAAs are 3 essential branched-chain amino acids: leucine, isoleucine, valine. Discover their real usefulness, timing, and whether you actually need them.","bcaa",{"title":264,"description":265,"slug":266,"ref":266},"BMI","BMI (Body Mass Index) is a quick health screening tool, but it doesn't account for body composition. Limited but useful.","bmi-body-mass-index",{"title":268,"description":269,"slug":270,"ref":270},"BMR","BMR (Basal Metabolic Rate) is your resting metabolism — the calories burned just to stay alive. Learn how to calculate and optimize it for your fitness goals.","bmr",{"title":272,"description":273,"slug":274,"ref":274},"Beta-alanine","Beta-alanine is an amino acid that raises muscle carnosine and can help buffering in efforts of ~1–4 minutes; tingles (paresthesia) are common.","beta-alanine",{"title":276,"description":277,"slug":278,"ref":278},"Block periodization","Block periodization concentrates training into focused blocks (accumulation, intensification, realization) with clear priorities.","block-periodization",{"title":280,"description":281,"slug":282,"ref":282},"Blood flow restriction (BFR)","BFR training uses cuffs to partially restrict blood flow so lighter loads can still stimulate hypertrophy — with safety constraints.","blood-flow-restriction",{"title":284,"description":285,"slug":286,"ref":286},"Body fat percentage","Body fat percentage measures the share of fat in your total body mass. A key indicator of body composition.","body-fat-percentage",{"title":288,"description":289,"slug":290,"ref":290},"Body recomposition","Body recomposition is gaining muscle and losing fat at the same time. Possible but slow — discover the conditions for success.","body-recomposition",{"title":292,"description":293,"slug":294,"ref":294},"Bodyweight","Bodyweight training uses your own body as resistance. No equipment, anywhere, scalable to any level.","bodyweight",{"title":296,"description":297,"slug":298,"ref":298},"Caffeine","Caffeine is a stimulant that can raise alertness and training performance; dose and timing matter for sleep and anxiety.","caffeine",{"title":300,"description":301,"slug":302,"ref":302},"Calisthenics","Calisthenics builds strength and skill primarily with bodyweight patterns (push-ups, pull-ups, dips, levers) and progressive variations.","calisthenics",{"title":304,"description":305,"slug":306,"ref":306},"Calorie Maintenance","Caloric maintenance is the calorie level keeping your weight stable. Foundation of any nutritional plan.","calorie-maintenance",{"title":308,"description":309,"slug":310,"ref":310},"Calorie Surplus","A caloric surplus means consuming more calories than you burn. Mandatory mechanism for serious muscle building.","calorie-surplus",{"title":312,"description":313,"slug":314,"ref":314},"Calorie deficit","A caloric deficit means consuming fewer calories than you burn. It's the only proven mechanism for fat loss. Learn how to set yours up properly.","calorie-deficit",{"title":316,"description":317,"slug":318,"ref":318},"Calories","Calories measure the energy provided by food. Understanding your caloric needs is the foundation of every fitness goal.","calories",{"title":320,"description":321,"slug":322,"ref":322},"Carbohydrates","Carbohydrates are the main source of energy for intense training. Discover your needs, the different types and their role in performance.","carbohydrates",{"title":324,"description":325,"slug":326,"ref":326},"Casein","Casein is a slower-digesting dairy protein, often used between meals or at night to help hit daily protein targets.","casein",{"title":328,"description":329,"slug":330,"ref":330},"Circuit training","Circuit training chains several exercises with little rest. Ideal for burning calories and improving cardiovascular fitness while keeping muscle.","circuit-training",{"title":332,"description":333,"slug":334,"ref":334},"Cluster sets","Cluster sets break a set into mini-bouts with short intra-set rests to keep bar speed and load high — useful for strength and power.","cluster-sets",{"title":336,"description":337,"slug":338,"ref":338},"Collagen","Collagen is a structural protein; supplements may support connective tissue goals but are incomplete for total muscle protein needs.","collagen",{"title":340,"description":341,"slug":342,"ref":342},"Compound exercise","A compound exercise trains several joints and muscle groups at once (squat, hinge, press, pull) — high return for strength and hypertrophy.","compound-exercise",{"title":344,"description":345,"slug":346,"ref":346},"Concentric (Phase)","The concentric phase is the lifting movement, where the muscle shortens under load. It's the active phase that produces force.","concentric-phase",{"title":348,"description":349,"slug":350,"ref":350},"Cool-down","A cool-down is light activity after hard work to gradually lower intensity; useful for feel and transition, not magic recovery.","cool-down",{"title":352,"description":353,"slug":354,"ref":354},"Creatine","Creatine is the most studied supplement in sports nutrition, proven to boost strength, power and muscle mass. Learn dosage, timing and real benefits.","creatine",{"title":356,"description":357,"slug":358,"ref":358},"Cutting","A cutting phase is a period of caloric deficit aimed at losing fat while preserving muscle. Discover how to do it without losing your hard-earned gains.","dried",{"title":360,"description":361,"slug":362,"ref":362},"DOMS (Delayed Onset Muscle Soreness)","DOMS is the muscle soreness that appears 24-72h after exercise. Discover its causes, how to manage it, and what it really means for your progress.","doms-delayed-onset-muscle-soreness",{"title":364,"description":365,"slug":366,"ref":366},"Deload","Deload is an active recovery week where you intentionally reduce volume and intensity to allow your body to fully recover and come back stronger.","deload",{"title":368,"description":369,"slug":370,"ref":370},"Dietary fiber","Dietary fiber supports satiety, digestion and cardiometabolic health; useful in fat-loss adherence plans.","dietary-fiber",{"title":372,"description":373,"slug":216,"ref":216},"Dropset","A dropset extends a set by reducing the load when failure hits. Powerful intensification method for hypertrophy.",{"title":375,"description":376,"slug":377,"ref":377},"EMOM - Every Minute On the Minute","EMOM (Every Minute On the Minute) is a training format where you start a set at the top of each minute and rest until the next.","emom-every-minute-on-the-minute",{"title":379,"description":380,"slug":381,"ref":381},"Eccentric (Phase)","The eccentric phase is the lowering movement, where the muscle lengthens under tension. It's the most damaging phase and the key driver of hypertrophy.","eccentric-phase",{"title":383,"description":384,"slug":385,"ref":385},"Electrolytes","Electrolytes (sodium, potassium, magnesium…) are minerals that conduct electrical signals and help fluid balance, especially with heavy sweating.","electrolytes",{"title":387,"description":388,"slug":389,"ref":389},"Exercise selection","Exercise selection is choosing movements that fit the goal, equipment, anatomy and skill — the foundation of a good program.","exercise-selection",{"title":391,"description":392,"slug":393,"ref":393},"Extension","Extension is the anatomical movement that increases the angle between two body segments. Opposite of flexion.","extension",{"title":395,"description":396,"slug":397,"ref":397},"Fat mass","Fat mass is the total weight of fat tissue. Essential for survival, but excess harms health and aesthetics.","fat-mass",{"title":399,"description":400,"slug":401,"ref":401},"Fibers","Muscle fibers are the cells that make up muscle. Two main types — Type I (slow) and Type II (fast) — define your physical potential.","fibers",{"title":403,"description":404,"slug":405,"ref":405},"Flexion","Flexion is the anatomical movement that decreases the angle between two body segments. Opposite of extension.","flexion",{"title":407,"description":408,"slug":409,"ref":409},"Foam rolling","Foam rolling is a myofascial self-massage technique to release muscle tension. Find out how to use it effectively to improve recovery and mobility.","foam-rolling",{"title":411,"description":412,"slug":413,"ref":413},"For Time","For Time is a training format where you complete a fixed amount of work as fast as possible. Race against the clock.","for-time",{"title":415,"description":416,"slug":417,"ref":417},"Full Body","A full body program trains all major muscle groups in each session, 2-4 times per week. Ideal for beginners and strength training.","full-body",{"title":419,"description":420,"slug":421,"ref":421},"German Volume Training (GVT)","GVT is a high-volume hypertrophy scheme classically built around 10×10 on big lifts with short rests — very fatiguing.","german-volume-training",{"title":423,"description":424,"slug":425,"ref":425},"Glycogen","Glycogen is the storage form of carbohydrate in muscle and liver — the primary fuel for hard training.","glycogen",{"title":427,"description":428,"slug":429,"ref":429},"HIIT","HIIT (High-Intensity Interval Training) alternates short hard efforts with recovery to improve fitness and calorie burn in less time.","hiit",{"title":431,"description":432,"slug":433,"ref":433},"Hydration","Hydration is maintaining fluid balance for performance, cognition and recovery — water plus electrolytes when sweat losses are high.","hydration",{"title":435,"description":436,"slug":215,"ref":215},"Hypertrophy","Muscle hypertrophy is the increase in muscle fiber size. It's the primary mechanism behind muscle growth from resistance training.",{"title":438,"description":439,"slug":440,"ref":440},"Hypertrophy Training","Hypertrophy training aims to maximize muscle growth using moderate loads (65-85% 1RM) with 8-15 repetitions per set.","hypertrophy-training",{"title":442,"description":443,"slug":444,"ref":444},"Intermittent fasting","Intermittent fasting restricts eating to time windows; fat loss still depends mainly on calorie balance and protein.","intermittent-fasting",{"title":446,"description":447,"slug":448,"ref":448},"Intra-workout","Intra-workout refers to nutrition consumed during training to maintain energy, hydration and performance on long sessions.","intra-workout",{"title":450,"description":451,"slug":452,"ref":452},"Isolation exercise","An isolation exercise targets mainly one joint and one muscle group (curl, lateral raise, leg extension) to add local volume or correct imbalances.","isolation-exercise",{"title":454,"description":455,"slug":456,"ref":456},"Isometric","Isometric contraction is when the muscle produces tension without changing length. No visible movement, intense work.","isometric-contraction",{"title":458,"description":459,"slug":460,"ref":460},"LISS","LISS (Low-Intensity Steady State) is continuous easy cardio at a conversational pace — useful for recovery, aerobic base and extra calorie burn.","liss",{"title":462,"description":463,"slug":464,"ref":464},"Lean bulk","A lean bulk is a slow, controlled surplus aimed at maximizing muscle gain while limiting fat gain.","lean-bulk",{"title":466,"description":467,"slug":468,"ref":468},"Lean mass","Lean mass is everything in your body except fat: muscles, bones, organs, water. A real performance indicator.","lean-mass",{"title":470,"description":471,"slug":472,"ref":472},"Linear periodization","Linear periodization progresses from higher volume/lower intensity toward lower volume/higher intensity over weeks.","linear-periodization",{"title":474,"description":475,"slug":476,"ref":476},"Lipids (Fats)","Lipids are essential for hormone production and vitamin absorption. Discover your needs, the right sources and their role in bodybuilding.","lipids-fats",{"title":478,"description":479,"slug":480,"ref":480},"Macrocycle","A macrocycle is the global organization of your training over 3-12 months. The highest level of periodization, your annual game plan.","macrocycle",{"title":482,"description":483,"slug":484,"ref":484},"Macronutrients (Macros)","Macronutrients are the 3 main types of nutrients: proteins, carbohydrates and lipids. Their balance is crucial for performance and body composition.","macronutrients-macros",{"title":486,"description":487,"slug":488,"ref":488},"Maintenance","Maintenance is the calorie level at which your weight remains stable. The neutral baseline for any nutritional strategy.","maintenance",{"title":490,"description":491,"slug":492,"ref":492},"Mass gain","Mass gain (or bulk) is a controlled caloric surplus phase aimed at building muscle. Discover how to do it without gaining excess fat.","mass-gain",{"title":494,"description":495,"slug":496,"ref":496},"Meal timing","Meal timing is the strategic distribution of your meals around training and through the day to optimize performance and recovery.","meal-timing",{"title":498,"description":499,"slug":500,"ref":500},"Mesocycle","A mesocycle is a 4-8 week training block with a specific objective (hypertrophy, strength, peak, deload). The cornerstone of periodization.","mesocycle",{"title":502,"description":503,"slug":504,"ref":504},"Microcycle","A microcycle is the smallest planning unit in bodybuilding: generally 1 week of training. This is your weekly routine.","microcycle",{"title":506,"description":507,"slug":508,"ref":508},"Mind-muscle connection","Mind-muscle connection is the intentional focus on feeling the target muscle contract — useful for hypertrophy technique and isolation work.","mind-muscle-connection",{"title":510,"description":511,"slug":512,"ref":512},"Mobility","Mobility is the ability to actively control range of motion. Find out how to improve your mobility to optimize your performance.","mobility",{"title":5,"description":195,"slug":13,"ref":13},{"title":515,"description":516,"slug":517,"ref":517},"Muscle mass","Muscle mass is the total weight of muscles in the body. Key indicator of strength, metabolism, and longevity.","muscle-mass",{"title":519,"description":520,"slug":521,"ref":521},"Muscular Endurance Training","Muscular endurance training develops the ability to sustain prolonged effort. Light loads, high reps, short rests.","muscular-endurance-training",{"title":523,"description":524,"slug":525,"ref":525},"Muscular endurance","Muscular endurance is a muscle's capacity to sustain repeated or prolonged contractions without excessive fatigue. Foundation of many sports.","muscular-endurance",{"title":527,"description":528,"slug":529,"ref":529},"Muscular strength","Muscular strength is the maximum force a muscle (or group) can produce. The fundamental physical quality of any athlete.","muscular-strength",{"title":531,"description":532,"slug":533,"ref":533},"Myo-reps","Myo-reps is an intensification method: an activation set near failure, then mini-sets with short rests to accumulate effective reps.","myo-reps",{"title":535,"description":536,"slug":537,"ref":537},"NEAT","NEAT is the energy you burn through all your daily activities outside of training. The most underestimated lever of your body composition.","neat",{"title":539,"description":540,"slug":541,"ref":541},"Omega-3 fatty acids","Omega-3 fats (EPA/DHA) support general health; in athletes they are discussed for recovery and inflammation — food first, then supplements if needed.","omega-3",{"title":543,"description":544,"slug":545,"ref":545},"Overreaching","Overreaching is a short-term performance drop from hard training that recovers with planned rest — unlike prolonged overtraining.","overreaching",{"title":547,"description":548,"slug":549,"ref":549},"Overtraining","Overtraining is a prolonged performance drop from excess stress without enough recovery — rarer than simple overreaching.","overtraining",{"title":551,"description":552,"slug":553,"ref":553},"PR - Personal Record","A PR (Personal Record) is your best performance ever on a movement. The fundamental progress marker.","pr-personal-record",{"title":555,"description":556,"slug":557,"ref":557},"Passive recovery","Passive recovery links on complete rest to allow the body to regenerate. Find out when and how to use it effectively.","passive-recovery",{"title":559,"description":560,"slug":561,"ref":561},"Periodization","Periodization is the cyclical organization of training into distinct phases to optimize progression, prevent plateaus, and avoid injuries.","periodization",{"title":563,"description":564,"slug":565,"ref":565},"Plateau","A plateau is a period of stagnation despite consistent training. Identifying the cause is the key to breaking it.","plateau",{"title":567,"description":568,"slug":569,"ref":569},"Post-workout","The post-workout is the nutrition right after training to optimize recovery and growth. Protein, carbs, hydration.","post-workout",{"title":571,"description":572,"slug":573,"ref":574},"Power (explosive strength)","Power is force × velocity — producing force quickly. Trained with intent, moderate loads moved fast, jumps/throws, and adequate rest.","power-training","power",{"title":576,"description":577,"slug":578,"ref":578},"Powerlifting","Powerlifting is a strength sport focused on maximal squat, bench press and deadlift — programming revolves around heavy compounds and peaking.","powerlifting",{"title":580,"description":581,"slug":582,"ref":582},"Pre-workout","The pre-workout is the meal or supplement taken before training to optimize performance. Energy, focus, and pump.","pre-workout",{"title":584,"description":585,"slug":586,"ref":586},"Progressive overload","Progressive overload is the foundational principle of training: gradually increasing the demand on your muscles to keep gaining strength and size.","progressive-overload",{"title":588,"description":589,"slug":590,"ref":590},"Protein","Protein is the essential macronutrient for building and repairing muscle. Discover your needs, the best sources and the optimal timing.","protein",{"title":592,"description":593,"slug":594,"ref":594},"Protein powder","Protein powders are concentrated protein supplements. Practical for hitting daily protein needs.","protein-powder",{"title":596,"description":597,"slug":598,"ref":598},"Push/Pull/Legs (PPL)","The Push/Pull/Legs program divides the workout into 3 types of sessions: push (chests/shoulders/triceps), pull (back/biceps) and legs. Optimal for all levels with frequency 2x/week per muscle.","push-pull-legs-ppl",{"title":27,"description":600,"slug":214,"ref":214},"RIR (Reps in Reserve) measures how many reps you have left before failure. Modern, intuitive tool to manage intensity.",{"title":79,"description":602,"slug":213,"ref":213},"RPE (Rate of Perceived Exertion) is a 1-10 scale to measure subjective effort. Essential tool for managing intensity.",{"title":604,"description":605,"slug":606,"ref":606},"Range of motion (ROM)","Range of motion (ROM) is the amplitude through which a joint or muscle can move during an exercise. Crucial for hypertrophy and joint health.","range-of-motion-rom",{"title":608,"description":609,"slug":610,"ref":610},"Refeed","A refeed is a planned short increase in calories (often carbs) during a fat-loss phase to support training, hormones and adherence.","refeed",{"title":612,"description":613,"slug":614,"ref":614},"Repetitions (Reps)","A rep is one complete execution of an exercise. The rep range determines whether you primarily develop strength, hypertrophy, or muscular endurance.","repetitions-reps",{"title":616,"description":617,"slug":618,"ref":618},"Reps to failure (RTF)","RTF means performing reps until no clean rep remains; useful sparingly for hypertrophy, costly if overused on heavy compounds.","reps-to-failure",{"title":620,"description":621,"slug":622,"ref":622},"Rest","Rest between sets is critical and depends on the goal. Strength: 3-5 min. Hypertrophy: 1-3 min. Endurance: 30-60 sec.","rest",{"title":624,"description":625,"slug":626,"ref":626},"Rest day","A rest day is planned time off hard training so adaptation can occur; it can be full rest or very light activity.","rest-day",{"title":628,"description":629,"slug":630,"ref":630},"Rest-Pause","Rest-pause is an intensification method using ultra-short pauses to extend a set. Powerful tool for hypertrophy.","rest-pause",{"title":632,"description":633,"slug":634,"ref":634},"Sarcomere","The sarcomere is the basic contractile unit of muscle. Composed of actin and myosin, it produces all your movements.","sarcomere",{"title":636,"description":637,"slug":638,"ref":638},"Series (Sets)","A series (or set) is a group of consecutive reps without rest. The basic unit of training programming.","series-sets",{"title":640,"description":641,"slug":642,"ref":642},"Sleep","Sleep is the most underrated training variable. It's during sleep that recovery, muscle building, and hormonal regulation happen.","sleep",{"title":644,"description":645,"slug":646,"ref":646},"Split (Split program)","A split workout involves dividing muscle groups over different days. The classic split trains each muscle once a week for 5-6 days.","split-split-program",{"title":648,"description":649,"slug":650,"ref":650},"Strength Training","Strength training aims to develop maximal strength using heavy loads (80-95% of 1RM) with few repetitions (1-6 reps).","strength-training",{"title":652,"description":653,"slug":654,"ref":654},"Stretching","Stretching improves flexibility and range of motion. Learn about the different types and how to effectively incorporate them into your routine.","stretching",{"title":656,"description":657,"slug":658,"ref":658},"Superset","A superset chains two exercises with no rest between them. Time-efficient method that boosts intensity and density.","superset",{"title":660,"description":661,"slug":662,"ref":662},"TDEE","TDEE (Total Daily Energy Expenditure) represents your total daily energy expenditure. Find out how to calculate it precisely to optimize your results.","tdee",{"title":664,"description":665,"slug":666,"ref":666},"TUT - Time Under Tension","TUT (Time Under Tension) measures the total time the muscle is under load during a set. Key variable for hypertrophy.","tut-time-under-tension",{"title":668,"description":669,"slug":670,"ref":670},"Tabata","Tabata is a 4-minute HIIT protocol: 20 seconds max effort, 10 seconds rest, 8 rounds. Maximum efficiency in minimum time.","tabata",{"title":672,"description":673,"slug":674,"ref":674},"Tempo - Execution speed","Tempo is the controlled speed of each phase of a movement. Powerful tool to maximize stimulus and control.","tempo-execution-speed",{"title":676,"description":677,"slug":678,"ref":678},"Training density","Training density measures the amount of work done per unit of time. Increase it to boost intensity and metabolic stress.","training-density",{"title":680,"description":681,"slug":682,"ref":682},"Training frequency","Training frequency defines how many times per week you work a muscle. Discover the optimal frequency to progress.","training-frequency",{"title":684,"description":685,"slug":686,"ref":686},"Training intensity","Bodybuilding intensity measures the difficulty of the effort. Find out how to calculate it with % of 1RM, RPE, and RIR.","training-intensity",{"title":688,"description":689,"slug":690,"ref":690},"Training volume","Training volume represents the total amount of work performed. Discover the optimal volumes per muscle per week to progress.","training-volume",{"title":692,"description":693,"slug":694,"ref":694},"Type I muscle fibers","Type I fibers (slow-twitch) are endurance-oriented muscle fibers. Resistant to fatigue, they sustain prolonged efforts.","muscle-fibers-type-i",{"title":696,"description":697,"slug":698,"ref":698},"Type II muscle fibers","Type II fibers (fast-twitch) are powerful muscle fibers optimized for explosive efforts. Essential for strength and power.","type-ii-muscle-fibers",{"title":700,"description":701,"slug":702,"ref":702},"Undulating periodization","Undulating periodization varies volume and intensity frequently (daily or weekly) instead of long linear phases.","undulating-periodization",{"title":704,"description":705,"slug":706,"ref":706},"Upper/Lower","The Upper/Lower program divides training into upper body and lower body sessions over 4 days per week. Perfect balance between frequency (2x/week) and volume for all levels.","upper-lower",{"title":708,"description":709,"slug":710,"ref":710},"VO2 max","VO2 max is the maximum amount of oxygen your body can use during intense exercise. It's the gold standard of cardiovascular fitness.","vo2-max",{"title":712,"description":713,"slug":714,"ref":714},"Warm-up","A warm-up raises temperature, primes the nervous system and rehearses the session patterns before hard sets.","warm-up",{"title":716,"description":717,"slug":718,"ref":718},"Whey protein","Whey is a fast-digesting dairy protein powder, rich in leucine — a convenient way to hit daily protein targets.","whey-protein",{"title":720,"description":721,"slug":722,"ref":722},"Zone 2","Zone 2 is a moderate aerobic intensity (often ~60–70% HRmax) where you can talk in full sentences — foundation of endurance base.","zone-2",{"de":724,"en":13,"es":725,"fr":726,"it":727,"pt":728},"muskelversagen","fallo-muscular","echec-musculaire","cedimento-muscolare","falha-muscular",1785169298788]