Full body workout routine for beginners: 3 days with sets, reps and progression

Why full body is the best routine to start (and what the studies do not say)

When someone starts at the gym, they usually copy the split routines of the more experienced — one day chest and biceps, another back and triceps... — and it is a classic mistake. For a beginner, the full body routine, which trains the whole body in each session, is the most practical option, and the science backs it with nuances. The ACSM position stand (2009) recommends that novices train 2-3 days a week. On frequency per muscle, the meta-analysis by Schoenfeld and colleagues (2016) concluded that training each muscle group at least twice a week produces more hypertrophy than once; whether 3 times beats 2, in the words of the authors themselves, remains to be determined. And another from 2019, with 25 studies, found that with the same weekly volume, frequency does not significantly change muscle growth. In plain terms: full body is not magic. Its advantage is that it spreads the volume over 3 manageable sessions, makes you practise technique 3 times a week — and the squat or deadlift is learned by repeating, not reading — and, if you miss a day, you do not lose a whole muscle group. Split routines come later, when you need so much volume per muscle that it does not fit in 3 sessions.

The patterns that cannot be missing

A good full body routine is not "a bit of everything at random", but covers the fundamental movement patterns. If in each session you hit these, you train the whole body in a balanced way:

• Squat (quad-dominant): barbell squat, goblet squat or lunges.
• Hip hinge (glute and hamstring-dominant): Romanian deadlift, hip thrust.
• Push (chest, shoulder, triceps): bench press, push-ups, shoulder press.
• Pull (back, biceps): row, lat pulldown, assisted pull-ups.
• Core / stability: plank, leg raises, farmer's walk.

The 3-day full body routine

Alternate routine A and B across the week: week 1 you do A-B-A, week 2 you do B-A-B, and so on. Both train the whole body but vary the exercises for a more complete stimulus. 3 sets of each exercise, with the rep range indicated and 1-2 minutes of rest between sets. With this layout, each movement pattern adds up to 9 sets a week (3 sets × 3 sessions).

How to progress week by week: the first 12 weeks

Progressive overload needs a concrete rule, not "add weight when you feel like it". The one this routine uses comes from the ACSM position stand (2009): when you can do 1-2 reps more than planned, increase the load by 2-10%. In numbers: if you barbell squat 40 kg and you now get 13-14 reps instead of 12, the next step is between 0.8 and 4 kg; with a 1.25 kg plate on each side you add 2.5 kg (6%). With dumbbells, the usual 2 kg jump can exceed 10% (from 10 to 12 kg is 20%): in that case go back to the bottom of the range (8 reps) and build the reps up to the top again. That is double progression: first reps, then weight. To track your progress without testing a true max, the 1RM calculator estimates your max from the weight and reps of one set; if that number goes up week after week, you are on track.

Home version vs gym

The same routine works in both places; only the tools change. The first months, at home with a pair of dumbbells and a resistance band you have plenty. This table gives you the equivalent of each pattern so you never have the excuse of "I do not have a machine":

Warm-up and logging your sets

Two things separate a routine that works from one that stalls or injures: warming up well and progressing sensibly. Always warm up: a few minutes of joint mobility (hips, shoulders, ankles) and then 1-2 light sets of the first exercise before the working sets. Never go into a serious weight cold. Progression, as you saw above, rests on one rule: if you beat the top of the range by 1-2 reps, the load goes up 2-10% the next session (ACSM, 2009); if you cannot reach the reps, you stay at that weight one more session. To apply it you need to know what you did last time, and that is why logging your sets (weight and reps of each exercise) is what turns this into something measurable rather than improvised.

The mistakes that hold back almost everyone

First: doing too much, too soon. The initial motivation pushes people to train 5-6 days or to cram in a thousand exercises, and the result is fatigue, crippling soreness and dropping out. Less is more: 3 days done well beat 6 half-done. Second: obsessing over the weight at the cost of technique. Lifting more than you can control is the direct route to injury and, on top of that, a worse stimulus. The rule is: if your technique breaks, the weight is too heavy. Third: changing routine every two weeks looking for the "perfect" one. The optimal routine is the one you follow consistently long enough for progressive overload to do its work. And fourth: neglecting food and sleep and expecting results. Without enough protein and without rest, training builds on sand.

Food and rest: what really makes you grow

Training is only the stimulus; muscle is built afterwards, with two ingredients many beginners neglect. The first is protein: aim for about 1.6 g per kg of body weight a day, spread across meals. In the meta-analysis by Morton and colleagues (2018, 49 studies and 1,863 participants), gains in fat-free mass stopped increasing above about 1.6 g/kg a day, so there is no need to overdo it. For 70 kg that is about 112 g a day; you can get your own figure with the protein calculator. The second is rest: muscles do not grow while you train, but while you recover. Aim for 7-9 hours of sleep, which is what the National Sleep Foundation recommends for adults (Hirshkowitz et al., 2015). You also need enough total energy: if you eat well below your expenditure, it will be hard to gain muscle (although a beginner who is overweight can gain muscle and lose fat at the same time when starting). In short: train, eat protein, sleep. All three, or the result falls short.

Once the routine is running, when to bulk and when to cut depends mostly on your starting body fat, not on how you feel that week.

The routine gives you the stimulus, but the result depends as much on what you do outside the gym as inside — and here Renzy covers the half that gets most neglected: the food. By photographing your meals you see at a glance whether you actually reach your daily protein (the material the muscle needs to grow) or whether you are falling short without noticing, which is the most common thing when starting. With that clear data, adjusting is easy: add the protein source missing at breakfast or dinner, and make sure of enough energy to perform. Train consistently, progress with the loads, and let Renzy take care of the nutrition matching the effort. Because a good workout with poor nutrition is half a result.