[{"data":1,"prerenderedAt":828},["ShallowReactive",2],{"lexique-en-fat-mass":3,"lexique-all-en":315,"lexique-trans-en-fat-mass":822},{"id":4,"title":5,"author":6,"body":7,"category":293,"description":294,"extension":295,"faq":296,"lang":297,"lead":296,"letter":298,"meta":299,"navigation":300,"path":301,"ref":13,"related":296,"resources":302,"seo":307,"sources":308,"stem":312,"updated":313,"__hash__":314},"lexique/lexique/en/fat-mass.md","Fat mass","Ekklo",{"type":8,"value":9,"toc":282},"minimark",[10,14,19,30,33,36,39,44,89,91,95,111,114,116,120,192,194,197,199,203,242,244,248,265,267,271],[11,12,5],"h1",{"id":13},"fat-mass",[15,16,18],"h4",{"id":17},"definition","Definition",[20,21,22,25,26,29],"p",{},[23,24,5],"strong",{}," is the ",[23,27,28],{},"total weight of adipose tissue in your body",". It includes essential fat (necessary for survival) and storage fat (energy reserve).",[31,32],"blockquote",{},[20,34,35],{},"💡 Fat is NOT the enemy. It's necessary for hormones, brain, organ insulation. But excess harms health and performance.",[37,38],"hr",{},[40,41,43],"h3",{"id":42},"the-2-types-of-fat","The 2 types of fat",[45,46,47,63],"table",{},[48,49,50],"thead",{},[51,52,53,57,60],"tr",{},[54,55,56],"th",{},"Type",[54,58,59],{},"Function",[54,61,62],{},"Min %",[64,65,66,78],"tbody",{},[51,67,68,72,75],{},[69,70,71],"td",{},"Essential fat",[69,73,74],{},"Hormones, brain, organs",[69,76,77],{},"3-5% (men), 10-13% (women)",[51,79,80,83,86],{},[69,81,82],{},"Storage fat",[69,84,85],{},"Energy reserve",[69,87,88],{},"Variable",[37,90],{},[40,92,94],{"id":93},"the-2-fat-distribution-patterns","The 2 fat distribution patterns",[96,97,98,105],"ul",{},[99,100,101,104],"li",{},[23,102,103],{},"Subcutaneous fat",": under the skin (visible, \"pinchable\")",[99,106,107,110],{},[23,108,109],{},"Visceral fat",": around organs (invisible, dangerous)",[20,112,113],{},"Visceral fat is far more risky for health (cardiovascular disease, diabetes type 2, chronic inflammation), even at apparently \"normal\" weight (TOFI: thin outside, fat inside).",[37,115],{},[40,117,119],{"id":118},"healthy-fat-mass-values","Healthy fat mass values",[45,121,122,135],{},[48,123,124],{},[51,125,126,129,132],{},[54,127,128],{},"Category",[54,130,131],{},"Men",[54,133,134],{},"Women",[64,136,137,148,159,170,181],{},[51,138,139,142,145],{},[69,140,141],{},"Athlete",[69,143,144],{},"6-13%",[69,146,147],{},"14-20%",[51,149,150,153,156],{},[69,151,152],{},"Fit",[69,154,155],{},"14-17%",[69,157,158],{},"21-24%",[51,160,161,164,167],{},[69,162,163],{},"Healthy",[69,165,166],{},"18-24%",[69,168,169],{},"25-31%",[51,171,172,175,178],{},[69,173,174],{},"Overweight",[69,176,177],{},"25-29%",[69,179,180],{},"32-37%",[51,182,183,186,189],{},[69,184,185],{},"Obese",[69,187,188],{},"30%+",[69,190,191],{},"38%+",[31,193],{},[20,195,196],{},"⚠️ Going below 6% (men) or 14% (women) for extended periods causes hormonal disruption, low energy, immune drop.",[37,198],{},[40,200,202],{"id":201},"how-to-lose-fat-without-losing-muscle","How to lose fat without losing muscle",[96,204,205,212,218,224,230,236],{},[99,206,207,208,211],{},"✅ ",[23,209,210],{},"Moderate caloric deficit",": -300 to -500 kcal/day",[99,213,207,214,217],{},[23,215,216],{},"High protein",": 2-2.5 g/kg to protect muscle",[99,219,207,220,223],{},[23,221,222],{},"Heavy strength training",": signal to keep muscle",[99,225,207,226,229],{},[23,227,228],{},"Cardio (low to moderate)",": helps the deficit without burning muscle",[99,231,207,232,235],{},[23,233,234],{},"Quality sleep",": lack of sleep favors fat retention",[99,237,207,238,241],{},[23,239,240],{},"Patience",": 0.5-1% body fat per month is healthy and sustainable",[37,243],{},[40,245,247],{"id":246},"common-mistakes","Common mistakes",[96,249,250,253,256,259,262],{},[99,251,252],{},"❌ Aggressive cut → loses fat AND muscle",[99,254,255],{},"❌ Cardio-only without strength training → muscle loss",[99,257,258],{},"❌ Pursuing ultra-low fat year-round (impossible)",[99,260,261],{},"❌ Trusting BMI alone (says nothing about composition)",[99,263,264],{},"❌ Skipping post-cut maintenance phase → yo-yo",[37,266],{},[40,268,270],{"id":269},"key-takeaways","Key takeaways",[20,272,273,274,277,278,281],{},"Fat mass is ",[23,275,276],{},"necessary in the right amount, harmful in excess",". Aim for a healthy and sustainable range (10-17% men, 20-25% women), prioritize visceral fat reduction. ",[23,279,280],{},"Health first, aesthetics second",". Slow and steady = success.",{"title":283,"searchDepth":284,"depth":284,"links":285},"",2,[286,288,289,290,291,292],{"id":42,"depth":287,"text":43},3,{"id":93,"depth":287,"text":94},{"id":118,"depth":287,"text":119},{"id":201,"depth":287,"text":202},{"id":246,"depth":287,"text":247},{"id":269,"depth":287,"text":270},"anatomy","Fat mass is the total weight of fat tissue. Essential for survival, but excess harms health and aesthetics.","md",null,"en","F",{},true,"/lexique/en/fat-mass",[303],{"type":304,"pathKey":305,"labelKey":306},"calculator","tools/img","lexique.resources.img",{"title":5,"description":294},[309],{"label":310,"url":311},"ACSM body composition resources","https://www.acsm.org","lexique/en/fat-mass","2026-07-27","f82d75LWVY7MPdcihkBHuvj9jSuZuDCpK1MlFDAgQoU",[316,320,324,328,332,336,340,344,348,352,356,360,364,368,372,376,380,384,388,392,396,400,404,408,412,416,420,424,428,432,436,440,444,448,452,456,460,464,468,472,476,480,484,488,489,493,497,501,505,509,513,517,521,525,529,533,537,541,545,549,553,557,561,565,569,573,577,581,585,589,593,597,601,605,609,613,617,621,625,629,633,637,641,645,649,653,657,661,665,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726,730,734,738,742,746,750,754,758,762,766,770,774,778,782,786,790,794,798,802,806,810,814,818],{"title":317,"description":318,"slug":319,"ref":319},"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":321,"description":322,"slug":323,"ref":323},"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":325,"description":326,"slug":327,"ref":327},"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":329,"description":330,"slug":331,"ref":331},"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":333,"description":334,"slug":335,"ref":335},"Active recovery","Active recovery uses light activity to speed muscle recovery. Find out how to effectively integrate it into your routine.","active-recovery",{"title":337,"description":338,"slug":339,"ref":339},"Adduction","Adduction is a movement that brings a body part toward the body's midline. Opposite of abduction.","adduction",{"title":341,"description":342,"slug":343,"ref":343},"Aerobic System","The aerobic system produces energy with oxygen, fueling long-duration efforts. It's the foundation of endurance and recovery.","aerobic-system",{"title":345,"description":346,"slug":347,"ref":347},"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":349,"description":350,"slug":351,"ref":351},"Anaerobic System","The anaerobic system produces energy without oxygen — for explosive, intense efforts. Limited but powerful, it fuels strength and sprints.","anaerobic-system",{"title":353,"description":354,"slug":355,"ref":355},"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":357,"description":358,"slug":359,"ref":359},"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":361,"description":362,"slug":363,"ref":363},"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":365,"description":366,"slug":367,"ref":367},"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":369,"description":370,"slug":371,"ref":371},"Block periodization","Block periodization concentrates training into focused blocks (accumulation, intensification, realization) with clear priorities.","block-periodization",{"title":373,"description":374,"slug":375,"ref":375},"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":377,"description":378,"slug":379,"ref":379},"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":381,"description":382,"slug":383,"ref":383},"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":385,"description":386,"slug":387,"ref":387},"Bodyweight","Bodyweight training uses your own body as resistance. No equipment, anywhere, scalable to any level.","bodyweight",{"title":389,"description":390,"slug":391,"ref":391},"Caffeine","Caffeine is a stimulant that can raise alertness and training performance; dose and timing matter for sleep and anxiety.","caffeine",{"title":393,"description":394,"slug":395,"ref":395},"Calisthenics","Calisthenics builds strength and skill primarily with bodyweight patterns (push-ups, pull-ups, dips, levers) and progressive variations.","calisthenics",{"title":397,"description":398,"slug":399,"ref":399},"Calorie Maintenance","Caloric maintenance is the calorie level keeping your weight stable. Foundation of any nutritional plan.","calorie-maintenance",{"title":401,"description":402,"slug":403,"ref":403},"Calorie Surplus","A caloric surplus means consuming more calories than you burn. Mandatory mechanism for serious muscle building.","calorie-surplus",{"title":405,"description":406,"slug":407,"ref":407},"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":409,"description":410,"slug":411,"ref":411},"Calories","Calories measure the energy provided by food. Understanding your caloric needs is the foundation of every fitness goal.","calories",{"title":413,"description":414,"slug":415,"ref":415},"Carbohydrates","Carbohydrates are the main source of energy for intense training. Discover your needs, the different types and their role in performance.","carbohydrates",{"title":417,"description":418,"slug":419,"ref":419},"Casein","Casein is a slower-digesting dairy protein, often used between meals or at night to help hit daily protein targets.","casein",{"title":421,"description":422,"slug":423,"ref":423},"Circuit training","Circuit training chains several exercises with little rest. Ideal for burning calories and improving cardiovascular fitness while keeping muscle.","circuit-training",{"title":425,"description":426,"slug":427,"ref":427},"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":429,"description":430,"slug":431,"ref":431},"Collagen","Collagen is a structural protein; supplements may support connective tissue goals but are incomplete for total muscle protein needs.","collagen",{"title":433,"description":434,"slug":435,"ref":435},"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":437,"description":438,"slug":439,"ref":439},"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":441,"description":442,"slug":443,"ref":443},"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":445,"description":446,"slug":447,"ref":447},"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":449,"description":450,"slug":451,"ref":451},"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":453,"description":454,"slug":455,"ref":455},"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":457,"description":458,"slug":459,"ref":459},"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":461,"description":462,"slug":463,"ref":463},"Dietary fiber","Dietary fiber supports satiety, digestion and cardiometabolic health; useful in fat-loss adherence plans.","dietary-fiber",{"title":465,"description":466,"slug":467,"ref":467},"Dropset","A dropset extends a set by reducing the load when failure hits. Powerful intensification method for hypertrophy.","dropset",{"title":469,"description":470,"slug":471,"ref":471},"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":473,"description":474,"slug":475,"ref":475},"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":477,"description":478,"slug":479,"ref":479},"Electrolytes","Electrolytes (sodium, potassium, magnesium…) are minerals that conduct electrical signals and help fluid balance, especially with heavy sweating.","electrolytes",{"title":481,"description":482,"slug":483,"ref":483},"Exercise selection","Exercise selection is choosing movements that fit the goal, equipment, anatomy and skill — the foundation of a good program.","exercise-selection",{"title":485,"description":486,"slug":487,"ref":487},"Extension","Extension is the anatomical movement that increases the angle between two body segments. Opposite of flexion.","extension",{"title":5,"description":294,"slug":13,"ref":13},{"title":490,"description":491,"slug":492,"ref":492},"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":494,"description":495,"slug":496,"ref":496},"Flexion","Flexion is the anatomical movement that decreases the angle between two body segments. Opposite of extension.","flexion",{"title":498,"description":499,"slug":500,"ref":500},"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":502,"description":503,"slug":504,"ref":504},"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":506,"description":507,"slug":508,"ref":508},"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":510,"description":511,"slug":512,"ref":512},"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":514,"description":515,"slug":516,"ref":516},"Glycogen","Glycogen is the storage form of carbohydrate in muscle and liver — the primary fuel for hard training.","glycogen",{"title":518,"description":519,"slug":520,"ref":520},"HIIT","HIIT (High-Intensity Interval Training) alternates short hard efforts with recovery to improve fitness and calorie burn in less time.","hiit",{"title":522,"description":523,"slug":524,"ref":524},"Hydration","Hydration is maintaining fluid balance for performance, cognition and recovery — water plus electrolytes when sweat losses are high.","hydration",{"title":526,"description":527,"slug":528,"ref":528},"Hypertrophy","Muscle hypertrophy is the increase in muscle fiber size. It's the primary mechanism behind muscle growth from resistance training.","hypertrophy",{"title":530,"description":531,"slug":532,"ref":532},"Hypertrophy Training","Hypertrophy training aims to maximize muscle growth using moderate loads (65-85% 1RM) with 8-15 repetitions per set.","hypertrophy-training",{"title":534,"description":535,"slug":536,"ref":536},"Intermittent fasting","Intermittent fasting restricts eating to time windows; fat loss still depends mainly on calorie balance and protein.","intermittent-fasting",{"title":538,"description":539,"slug":540,"ref":540},"Intra-workout","Intra-workout refers to nutrition consumed during training to maintain energy, hydration and performance on long sessions.","intra-workout",{"title":542,"description":543,"slug":544,"ref":544},"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":546,"description":547,"slug":548,"ref":548},"Isometric","Isometric contraction is when the muscle produces tension without changing length. No visible movement, intense work.","isometric-contraction",{"title":550,"description":551,"slug":552,"ref":552},"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":554,"description":555,"slug":556,"ref":556},"Lean bulk","A lean bulk is a slow, controlled surplus aimed at maximizing muscle gain while limiting fat gain.","lean-bulk",{"title":558,"description":559,"slug":560,"ref":560},"Lean mass","Lean mass is everything in your body except fat: muscles, bones, organs, water. A real performance indicator.","lean-mass",{"title":562,"description":563,"slug":564,"ref":564},"Linear periodization","Linear periodization progresses from higher volume/lower intensity toward lower volume/higher intensity over weeks.","linear-periodization",{"title":566,"description":567,"slug":568,"ref":568},"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":570,"description":571,"slug":572,"ref":572},"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":574,"description":575,"slug":576,"ref":576},"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":578,"description":579,"slug":580,"ref":580},"Maintenance","Maintenance is the calorie level at which your weight remains stable. The neutral baseline for any nutritional strategy.","maintenance",{"title":582,"description":583,"slug":584,"ref":584},"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":586,"description":587,"slug":588,"ref":588},"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":590,"description":591,"slug":592,"ref":592},"Mesocycle","A mesocycle is a 4-8 week training block with a specific objective (hypertrophy, strength, peak, deload). The cornerstone of periodization.","mesocycle",{"title":594,"description":595,"slug":596,"ref":596},"Microcycle","A microcycle is the smallest planning unit in bodybuilding: generally 1 week of training. This is your weekly routine.","microcycle",{"title":598,"description":599,"slug":600,"ref":600},"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":602,"description":603,"slug":604,"ref":604},"Mobility","Mobility is the ability to actively control range of motion. Find out how to improve your mobility to optimize your performance.","mobility",{"title":606,"description":607,"slug":608,"ref":608},"Muscle failure","Muscle failure is the point where you cannot complete another clean rep with the target technique — RIR 0 / RPE 10.","muscle-failure",{"title":610,"description":611,"slug":612,"ref":612},"Muscle mass","Muscle mass is the total weight of muscles in the body. Key indicator of strength, metabolism, and longevity.","muscle-mass",{"title":614,"description":615,"slug":616,"ref":616},"Muscular Endurance Training","Muscular endurance training develops the ability to sustain prolonged effort. Light loads, high reps, short rests.","muscular-endurance-training",{"title":618,"description":619,"slug":620,"ref":620},"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":622,"description":623,"slug":624,"ref":624},"Muscular strength","Muscular strength is the maximum force a muscle (or group) can produce. The fundamental physical quality of any athlete.","muscular-strength",{"title":626,"description":627,"slug":628,"ref":628},"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":630,"description":631,"slug":632,"ref":632},"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":634,"description":635,"slug":636,"ref":636},"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":638,"description":639,"slug":640,"ref":640},"Overreaching","Overreaching is a short-term performance drop from hard training that recovers with planned rest — unlike prolonged overtraining.","overreaching",{"title":642,"description":643,"slug":644,"ref":644},"Overtraining","Overtraining is a prolonged performance drop from excess stress without enough recovery — rarer than simple overreaching.","overtraining",{"title":646,"description":647,"slug":648,"ref":648},"PR - Personal Record","A PR (Personal Record) is your best performance ever on a movement. The fundamental progress marker.","pr-personal-record",{"title":650,"description":651,"slug":652,"ref":652},"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":654,"description":655,"slug":656,"ref":656},"Periodization","Periodization is the cyclical organization of training into distinct phases to optimize progression, prevent plateaus, and avoid injuries.","periodization",{"title":658,"description":659,"slug":660,"ref":660},"Plateau","A plateau is a period of stagnation despite consistent training. Identifying the cause is the key to breaking it.","plateau",{"title":662,"description":663,"slug":664,"ref":664},"Post-workout","The post-workout is the nutrition right after training to optimize recovery and growth. Protein, carbs, hydration.","post-workout",{"title":666,"description":667,"slug":668,"ref":669},"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":671,"description":672,"slug":673,"ref":673},"Powerlifting","Powerlifting is a strength sport focused on maximal squat, bench press and deadlift — programming revolves around heavy compounds and peaking.","powerlifting",{"title":675,"description":676,"slug":677,"ref":677},"Pre-workout","The pre-workout is the meal or supplement taken before training to optimize performance. Energy, focus, and pump.","pre-workout",{"title":679,"description":680,"slug":681,"ref":681},"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":683,"description":684,"slug":685,"ref":685},"Protein","Protein is the essential macronutrient for building and repairing muscle. Discover your needs, the best sources and the optimal timing.","protein",{"title":687,"description":688,"slug":689,"ref":689},"Protein powder","Protein powders are concentrated protein supplements. Practical for hitting daily protein needs.","protein-powder",{"title":691,"description":692,"slug":693,"ref":693},"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":695,"description":696,"slug":697,"ref":697},"RIR","RIR (Reps in Reserve) measures how many reps you have left before failure. Modern, intuitive tool to manage intensity.","rir-reps-in-reserve",{"title":699,"description":700,"slug":701,"ref":701},"RPE","RPE (Rate of Perceived Exertion) is a 1-10 scale to measure subjective effort. Essential tool for managing intensity.","rpe-rate-of-perceived-exertion",{"title":703,"description":704,"slug":705,"ref":705},"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":707,"description":708,"slug":709,"ref":709},"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":711,"description":712,"slug":713,"ref":713},"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":715,"description":716,"slug":717,"ref":717},"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":719,"description":720,"slug":721,"ref":721},"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":723,"description":724,"slug":725,"ref":725},"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":727,"description":728,"slug":729,"ref":729},"Rest-Pause","Rest-pause is an intensification method using ultra-short pauses to extend a set. Powerful tool for hypertrophy.","rest-pause",{"title":731,"description":732,"slug":733,"ref":733},"Sarcomere","The sarcomere is the basic contractile unit of muscle. Composed of actin and myosin, it produces all your movements.","sarcomere",{"title":735,"description":736,"slug":737,"ref":737},"Series (Sets)","A series (or set) is a group of consecutive reps without rest. The basic unit of training programming.","series-sets",{"title":739,"description":740,"slug":741,"ref":741},"Sleep","Sleep is the most underrated training variable. It's during sleep that recovery, muscle building, and hormonal regulation happen.","sleep",{"title":743,"description":744,"slug":745,"ref":745},"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":747,"description":748,"slug":749,"ref":749},"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":751,"description":752,"slug":753,"ref":753},"Stretching","Stretching improves flexibility and range of motion. Learn about the different types and how to effectively incorporate them into your routine.","stretching",{"title":755,"description":756,"slug":757,"ref":757},"Superset","A superset chains two exercises with no rest between them. Time-efficient method that boosts intensity and density.","superset",{"title":759,"description":760,"slug":761,"ref":761},"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":763,"description":764,"slug":765,"ref":765},"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":767,"description":768,"slug":769,"ref":769},"Tabata","Tabata is a 4-minute HIIT protocol: 20 seconds max effort, 10 seconds rest, 8 rounds. Maximum efficiency in minimum time.","tabata",{"title":771,"description":772,"slug":773,"ref":773},"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":775,"description":776,"slug":777,"ref":777},"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":779,"description":780,"slug":781,"ref":781},"Training frequency","Training frequency defines how many times per week you work a muscle. Discover the optimal frequency to progress.","training-frequency",{"title":783,"description":784,"slug":785,"ref":785},"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":787,"description":788,"slug":789,"ref":789},"Training volume","Training volume represents the total amount of work performed. Discover the optimal volumes per muscle per week to progress.","training-volume",{"title":791,"description":792,"slug":793,"ref":793},"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":795,"description":796,"slug":797,"ref":797},"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":799,"description":800,"slug":801,"ref":801},"Undulating periodization","Undulating periodization varies volume and intensity frequently (daily or weekly) instead of long linear phases.","undulating-periodization",{"title":803,"description":804,"slug":805,"ref":805},"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":807,"description":808,"slug":809,"ref":809},"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":811,"description":812,"slug":813,"ref":813},"Warm-up","A warm-up raises temperature, primes the nervous system and rehearses the session patterns before hard sets.","warm-up",{"title":815,"description":816,"slug":817,"ref":817},"Whey protein","Whey is a fast-digesting dairy protein powder, rich in leucine — a convenient way to hit daily protein targets.","whey-protein",{"title":819,"description":820,"slug":821,"ref":821},"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":823,"en":13,"es":824,"fr":825,"it":826,"pt":827},"fettmasse","masa-grasa","masse-grasse","massa-grassa","massa-gorda",1785169297390]