Complete guide
Body Composition, Muscle Memory and Habits: A Lifter's Guide to Tracking
How to track body fat accurately without trusting a smart scale: DEXA limits, muscle memory, detraining and habit science, with every study linked.
16 min read
Founder & Head Coach, Simplified Fitness
Umair Hazrami
Umair Hazrami founded Simplified Fitness and the Simplified Lifter channel to cut through fitness noise. With 4+ years of consistent training and 10+ coaching clients, he writes every guide from the peer-reviewed research and links the sources so you can check them.
Experience
- 4+ years of consistent, hands-on strength training
- Coached 10+ clients to real, measurable results, including the transformations on this site
- Creator of the Simplified Lifter channel on YouTube and Instagram
- Self-taught through the research literature, biomechanics and practical application
- Editor responsible for all 547 guides and 21 calculators on Simplified Fitness
A note on credentials
Umair is not a certified personal trainer, and he won't pretend to be one. What he brings is years of real training and coaching experience, a habit of reading the primary research, and a rule never to share something he doesn't believe in. That is why every guide on this site links its sources, and why medical questions are always referred to qualified doctors.
Complete guides by Umair
Complete guide
Carbohydrates, Fats, Fibre, Micronutrients and Hydration: The Lifter's Fueling Guide
Carbohydrates for lifting performance, dietary fat and testosterone, hydration, sodium and micronutrients: what the research shows and what to do about it.
15 min read
Complete guide
Cardio and Concurrent Training: Build Endurance Without Losing Muscle (The Interference Effect)
Does cardio and muscle growth mix? Meta-analyses say mostly yes. Here is how to program running, cycling, zone 2, HIIT and steps without losing gains.
16 min read
Complete guide
Arm Workout Science: The Complete Guide to Biceps, Triceps, Brachialis and Forearm Growth
Arm workout science without the bro myths: what MRI studies show about biceps peaks, triceps long head work, brachialis, forearms and grip. Every study linked.
16 min read
Complete guide
Complete Back Training Guide: Lats vs Upper Back, Best Exercises and a Hypertrophy Workout
Back workout hypertrophy, simplified: which rows and pulldowns hit lats vs upper back, how many sets to run, and how to keep your lower back out of it.
19 min read
Complete guide
The Complete Chest Workout Guide: Pec Anatomy, Bench Angles, Flys and Shoulder-Safe Pressing
A science-based chest workout guide: how the three pec regions work, the bench angle for upper chest, presses vs flys, and setup cues that spare your shoulders.
18 min read
Complete guide
Complete Lower-Body & Core Training Guide: Quads, Glutes, Hamstrings, Calves & Abs Science
A leg workout guide built on MRI studies: which squats, curls, hip thrusts and calf raises grow each muscle, how many sets to do, and what ab training can't do.
17 min read
Complete guide
Complete Protein Guide: How Much, What Type, and When to Eat It for Muscle Growth
How much protein per day do you need to build muscle? The evidence on grams per kg, meal spread, leucine, protein quality, plant vs whey and kidney safety.
14 min read
Complete guide
Complete Shoulder, Delt & Neck Training Guide: 3D Deltoid Anatomy, Rotator Cuff & Traps
Shoulder workout science in plain English: how to train front, side and rear delts, protect your rotator cuff and build traps and neck, with every study linked.
15 min read
Complete guide
Creatine, Protein Powders, Pre-Workouts and Caffeine: The Science and Safety Guide
Creatine, protein powder and caffeine decoded: what the research says on safety, dose, timing and label tricks, with Indian diet context and every study linked.
14 min read
Complete guide
The No-BS Guide to Energy Balance, Fat Loss, Bulking & Body Recomposition
Calories in calories out science explained: how to find your TDEE, size a deficit or surplus, handle metabolic slowdown and recomp, with every study linked.
15 min read
Complete guide
The Evidence-Based Fitness Supplements Guide: What Works, What's Overhyped & What's a Waste of Money
The best fitness supplements science supports, ranked in three tiers. See what works, what is overhyped, and which ones to skip, with every study linked.
12 min read
Complete guide
Exercise Selection Biomechanics: Moment Arms, Strength Curves and Free Weights vs Machines
Exercise selection biomechanics made simple: how moment arms, strength curves and stability decide which lifts grow muscle, and why gym wars miss the point.
17 min read
Complete guide
High-Protein Foods List: Protein per 100g, Cost per 30g and Meal Prep Guide
A high protein foods list with protein per 100g, protein per 100 calories, cost per 30g in rupees, raw vs cooked weights and a 3-hour meal prep plan.
12 min read
Complete guide
Indian High-Protein Nutrition Guide: Cutting and Muscle Building on Vegetarian and Non-Veg Diets
A high protein Indian diet is doable on a budget. See how much protein you need, the best desi sources, soya myths, and cutting plans, with every study linked.
13 min read
Complete guide
Joint-Friendly Lifting & Fitness Myths: A Guide for Over-40s, Teens and Sore Backs
Lifting after 40, joint friendly: how to train around back, knee and shoulder pain, keep teens safe, and which fitness myths the research really busts.
16 min read
Complete guide
Reps in Reserve, Rep Ranges and Rest Times: The Evidence-Based Guide to How Hard Every Set Should Be
A reps in reserve RIR guide from 15 studies: how close to failure to train, which rep ranges build muscle, how long to rest, and when tempo actually matters.
16 min read
Complete guide
Maximal Strength, Neuromuscular Adaptations & Powerlifting Science for General Lifters
How to build maximal strength: how your nervous system, muscle size and technique combine to set your 1RM, plus squat, bench, deadlift and peaking guidance.
12 min read
Complete guide
How Muscle Actually Grows: The Natural Lifter's Guide to Hypertrophy Science
A muscle hypertrophy guide for natural lifters: what really makes muscle grow, how long protein synthesis lasts, and which gym myths to drop, with studies.
16 min read
Complete guide
Muscle Soreness (DOMS), Heat/Cold Modalities & Recovery Methods: What Science Actually Supports
DOMS muscle soreness recovery explained: what soreness really means, why ice baths can blunt growth, and which tools (heat, foam rolling, massage) earn a place.
16 min read
Complete guide
Progressive Overload Methods, Deloads and Plateaus: The Long-Term Progression Guide
Progressive overload methods that still work after beginner gains: double progression, microloading, deload weeks and a plateau checklist, with studies linked.
16 min read
Complete guide
Muscle Length, Range of Motion and Stretch-Mediated Hypertrophy: What the Research Actually Shows
Stretch mediated hypertrophy explained with MRI data: when long muscle length training beats short ranges, if lengthened partials work, and what to change.
17 min read
Complete guide
Sleep, Circadian Timing & Systemic Recovery: How Lifters Maximize Anabolic Rest & CNS Recovery
Sleep and muscle growth explained: how short sleep hurts lifting quality and lean mass, when strength peaks, caffeine cutoffs and CNS fatigue, with studies.
14 min read
Complete guide
Optimal Training Volume and Frequency: How Many Sets per Muscle Actually Build Muscle
What is the optimal training volume for muscle growth? See where weekly sets stop paying off, if 2x or 3x a week matters, and how to count compound sets.
15 min read
Complete guide
Best Workout Split for Muscle Growth: PPL vs Upper/Lower vs Full Body, What the Research Says
The best workout split is the one you can repeat. See what studies say about PPL, upper/lower and full body, plus supersets that cut sessions to 30 minutes.
14 min read