The Strength Guide
Everything you need to know about building muscle and strength.
Lift two to four days a week, train every big muscle, make every set hard, and add a little weight or a rep when you can. Eat enough protein and sleep. That's most of building muscle, at 25 or at 85, and the rest of this guide is the detail: the program, the sets and reps, every muscle group, food and rest. If you want to and can, it all works the natural way, with no supplement at all.
Updated November 15, 2026. 12 muscle pages, 13 guide pages, 40 questions, 9 myths, from 218 published sources.
- 2 to 4 daysa week of lifting
- Every musclefront and back, not just the mirror ones
- Hard sets1 to 3 reps short of failure
- A little moreweight or reps, week after week
- Proteinevery day, in the typical range
- Sleepseven hours or more
Your week of lifting
Pick your level, your days and your equipment. Here's the week: every exercise, the sets, the reps and the rest, with the big lift first. The science behind every number.
2 days a week, full body each time, about 45 to 60 minutes a session. Big lifts first, every set stopped 1 to 3 reps short of failure.
Weeks 1 and 2: 2 sets of everything, with a weight you could lift 10 to 12 times, stopped at 8 to 10. From week 3, the sets and reps below.
Full body A
- SquatGoblet squats3 x 5 to 8rest 2 to 3 min
- PushDumbbell bench or floor presses3 x 5 to 8rest 2 to 3 min
- RowOne-arm dumbbell rows3 x 5 to 8rest 2 to 3 min
- GlutesDumbbell hip thrusts3 x 8 to 12rest 1 to 2 min
- CalvesCalf raises on a step, holding a dumbbell3 x 10 to 15rest 1 to 2 min
- CorePlanks and dead bugs3 x 30 to 45 secondsrest 1 to 2 min
Full body B
- HingeDumbbell Romanian deadlifts3 x 5 to 8rest 2 to 3 min
- Push, angledIncline dumbbell presses3 x 5 to 8rest 2 to 3 min
- Pull downBand pulldowns3 x 5 to 8rest 2 to 3 min
- LungeDumbbell split squats or step-ups3 x 5 to 8rest 2 to 3 min
- TricepsOverhead dumbbell extensions3 x 8 to 12rest 1 to 2 min
- CarryFarmer carries3 x 30 to 40 stepsrest 1 to 2 min
Hard sets per muscle a week, and how to progress
- Add weight. When every set hits the top of its rep range with clean form, add the smallest step you have: about 5 lb on upper-body lifts and 5 to 10 lb on lower-body lifts (2.5 to 5 kg). Then build the reps back up.
- Bodyweight moves. Add reps until the top of the range is easy, then move to a harder version: counter push-ups to the floor, two-leg bridges to one leg.
- A lighter week. Every 6 to 8 weeks, or after two weeks without progress, keep the same moves and do half the sets. It's common coaching practice, for recovery and joints.
Each muscle's bar counts its hard sets in the week. Near 10 builds the most muscle, and 4 to 6 builds strength and some size. Do two weeks at the starting sets, then three, and add weight when every set hits the top of its range. What your week means.
Start here
Strength training: how to build muscle and get stronger
Lift two to four days a week, train every big muscle, make every set hard, add a little weight over time, eat enough protein and sleep. It works at any age.
How to build muscle naturally, without supplements
How to get strong: the strength protocol
Why train every muscle, not just the bench press?
How do you keep getting stronger?
What should you eat to build muscle?
Rest, sleep and recovery: when do muscles actually grow?
Why does strength matter so much for a long life?
How much strength training do you need?
What happens to strength as you age, and how much comes back?
What is strength, and why does it grow before muscle?
Muscle by muscle
What each one does in your day, why you want it strong, and the best exercises at home and in a gym.
ShouldersLift things overheadYour shoulders lift your arms every way and hold each arm bone in a shallow socket. Press overhead, raise to the side and pull toward your face, twice a week. 
ChestPush things awayYour chest pushes things away from you, from a heavy door to the floor under you. Do push-ups or presses twice a week, and pull with your back as much as you push. 
BackPull things in, stand tallYour lats and upper back pull, carry and hold your shoulders back. Do rows and pull-ups or pulldowns twice a week, with as many sets of pulling as pushing. 
BicepsCarry and curlYour biceps bend your elbow and turn your palm up for every bag and child you lift. Rows and curls build them, and light or heavy weights both work when sets are hard. Triceps TricepsPush yourself upYour triceps straighten your elbow and are the biggest muscle in your upper arm. Train them with presses, push-ups and an overhead extension, two or three times a week. 
Forearms and gripHold onYour grip holds everything you carry, and in 139,691 adults it predicted death better than systolic blood pressure. Build it with heavy carries, hangs and rows. 
CoreKeep your trunk stillYour core's main job is to hold your trunk still while your arms and legs work. Train it that way, with planks, side planks, dead bugs and heavy carries. 
Lower backBend and lift safelyYour lower back muscles hold you upright and keep your spine firm when you bend and lift. Train them with hinges, back extensions and bird dogs, twice a week. 
GlutesClimb, stand up, sprintYour gluteus maximus is the largest muscle in your body. It stands you up, climbs stairs and drives a sprint. Build it with hip thrusts, split squats and deadlifts. 
QuadsGet out of a chairYour quads straighten your knees to get you out of a chair, up the stairs and down from a jump. Train them with squats, split squats and step-ups, twice a week. 
HamstringsSprint, hinge, brakeYour hamstrings bend the knee, straighten the hip and brake your leg in a sprint. Programs with Nordic curls cut hamstring injuries about in half. 
CalvesPush off every stepYour calves push you off the ground with every step and pump blood back up your legs. Train them with slow calf raises, heels low, two or three times a week. The questions people ask
Building muscle: where to start
-
How do you build muscle?Lift two or three times a week, every big muscle, with hard sets that end 1 to 3 reps short of failure. Add weight or reps over time, eat enough protein and sleep. -
What's a good workout plan for beginners?Two full-body sessions a week, A and B, six moves each. 2 sets for the first two weeks, then 3, stopping a couple of reps short. Add weight when every set hits its reps. -
Is a full-body workout or a split better?Neither wins once the weekly sets match, so pick by your week. Train full body on two or three days, upper and lower on four, and a body-part split on five or six. - How do I start lifting weights?Two full-body sessions a week, five moves, two sets each, stopping two or three reps short. Chair squats, counter push-ups and grocery bags all count.
-
How do you get stronger legs?Squat, hinge, do one single-leg move and raise your calves, twice a week, 2 or 3 hard sets each, and add weight when every set hits its reps. It works at 90.
Sets, reps and weight
-
How many sets and reps should I do?For strength, 2 to 3 sets of a heavy weight on the big lifts, early in the workout. For size, 10 or more hard sets per muscle a week (ACSM 2026). -
Are 8 to 12 reps best for building muscle?They're a good default, but light and heavy weights build similar muscle when sets end close to failure. 8 to 12 wins on time and comfort. Go heavier for max strength. - How much weight should I lift?Enough that the last two or three reps of each set are hard but clean. For pure strength, work toward a weight you can lift about 5 to 10 times.
-
How long should I rest between sets?Two to three minutes on the big lifts. In an eight-week trial, 3-minute rests built more strength and muscle than 1-minute rests. Small moves need less. - When should I add weight?When every set hits the top of your rep range with good form, add the smallest step your weights allow, then build the reps back up.
Results, and lifting at any age
-
How long does it take to build muscle?Muscle starts growing within three weeks, but slowly. Young men gained about 3.4 lb of it in programs averaging 10 weeks. Judge your first eight weeks by your lifts. - Can you still build muscle after 40, 50 or 60?Yes. Adults 50 to 83 gained about 2.4 lb of lean mass in five months of lifting, and 90-year-olds grew their thighs 9%. Lift the same way, with longer warm-ups.
-
Is it safe to lift weights over 60?Yes, and it's when lifting helps most. Start lighter, warm up longer, skip max tests, and ask your doctor first if you have heart disease or high blood pressure. -
How fast do you lose muscle as you get older?About half a percent a year in midlife, closer to 1% by 75, and strength drops two to five times faster than muscle. Lifting slows it at any age.
Women, teens, bones and GLP-1
- Should women lift heavy weights?Yes. On the same program, women grow muscle by the same share as men and gain more upper-body strength. Heavy means the last reps are hard, and it builds bone too.
-
How do you build stronger bones?Heavy lifting and jumping. Women with low bone mass who lifted heavy twice a week for eight months gained spine density while the home-exercise group lost it. -
How do you keep your muscle on a GLP-1?Lift twice a week and eat protein first at every meal. In diet trials, lifting saved 93.5% of the lean mass older adults lost dieting alone. -
Is it safe for teenagers to lift weights?Yes, with coaching and sensible loads, says the American Academy of Pediatrics. We don't set weights or standards for anyone under 18, so start with a coach.
Food, sleep and soreness
-
How much protein do I need to build muscle?Typical is 1.2 to 1.6 g per kg a day, 100 to 130 g at 180 pounds. In 49 trials, gains stopped rising past about 1.6. The Gyroscope app personalizes yours. -
Does creatine make you stronger?A little, on top of lifting. In two reviews of 60 and 53 placebo trials, it added a small extra strength gain. A few pounds of water is the main side effect. -
Do I need cardio if I lift weights?Yes. In the Harvard cohorts, walking 150 minutes a week went with a bigger drop in deaths than lifting alone, and both together went with the lowest risk of all. -
Should I work out if I'm still sore?Yes, lightly, or train other muscles. Soreness fades after the first weeks and isn't a sign it worked. Pain past 3 days, swelling or dark urine goes to a doctor.
Strength and a long life
- Does lifting weights help you live longer?Probably. Lifters had 15% lower death rates across 16 studies, though they chose to lift. In trials, lifting builds the strength and balance those studies track.
- How much strength training do you need to live longer?About two sessions a week. In a 2026 Harvard study of 147,374 US adults, 90 to 119 minutes a week went with 13% lower risk of death. Lifting longer added nothing extra.
Facts worth repeating
3 x 10came from an army doctor
"Three sets of ten" comes from Thomas DeLorme, an army doctor rebuilding wounded soldiers' legs from 1945 to 1948. He called it progressive resistance exercise.
10+hard sets a muscle a week
Across 137 reviews and more than 30,000 people, muscles grew most with 10 or more hard sets a week, and the gains flattened past about 18 to 20.
30 to 100%of your max all build muscle
Weights from about 30% to 100% of your max built similar muscle when the sets were just as hard. Heavier weights built more one-rep max strength.
174%stronger at age 90
Ten frail nursing home residents aged about 90 trained their legs with heavy weights for eight weeks. The nine who finished were 174% stronger.
Month 1is mostly your nerves
The first weeks of getting stronger are mostly your nerves learning to fire more of the muscle you already have. Growth takes over after about 3 to 5 weeks.
139,691adults, 17 countries
Grip strength predicted death better than systolic blood pressure did, in 139,691 adults aged 35 to 70 across 17 countries.
Week 1soreness is repair
Week-one soreness is repair work. In a 10-week study, muscle building only tracked growth once the soreness had faded.
Myth or fact?
Test yourself
Three quick tests you can do at home tonight, each a full guide: how to do it once, what your result means for your age, and what to do next. Score them all at once.
Push-ups
One unbroken set. What your count means for your age and sex, on the Canadian table.
Dead hang
Hang from a bar and time it. Grip, shoulders and a minute to aim for.
Getting up off the floor
Sit down cross-legged and stand back up. Count the touches for your score out of 10.
More tests: How can I test my grip strength at home, How long should I be able to hold a plank, How long should you be able to stand on one leg, How many pull-ups should I be able to do, How much should I be able to squat, What are good strength standards for my age and weight, What is a good grip strength for my age.
Quick tools
How strong am I?
Your tests against your age and sex, each with its source, your weak link and a date to test again.
Floor rise score
Sit down on the floor and stand back up. Count the touches for your score out of 10.
One-rep max from a set
Any set of 1 to 12 reps in, your max out as a range across seven formulas.
How much is enough?
Your lifting and walking minutes against 147,374 US adults.
Plates and warm-ups
The plates for each side of the bar, and the warm-up sets to get there.
Test timer
Prop up your phone. It says the rules aloud and times the hang, plank, one-foot balance and chair stand.
