Rutinix Blog

Train smart

Training, nutrition, technique and motivation. Short, straight-to-the-point articles to improve your physique.

30 articles

Are protein shakes useful?

If there is one supplement that practically everyone associates with the gym, it is the protein shake. Just walk into any training room to see several people…

Jul 15, 2026 · 9 min Read →

Calisthenics vs gym: what builds more physique?

When someone decides to start training to gain muscle and improve their physique, one of the first doubts that usually arises is whether it is more worth…

Jul 15, 2026 · 8 min Read →

Cardio on an empty stomach: is it useful or not?

Fasted cardio is one of the most debated topics in the world of fitness. For years it has been said that going for a run or walk before eating breakfast helps…

Jul 15, 2026 · 8 min Read →

Cardio or weights to lose fat: definitive complete guide (physiological, strategic and practical analysis)

The “cardio vs weights to lose fat” discussion is one of the most simplified—and at the same time most misinterpreted—in fitness. The main problem is that it…

Jul 15, 2026 · 5 min Read →

Does rep speed matter in the gym?

When talking about strength training, most people pay attention to the weight they lift, the number of repetitions or the sets they perform. However, there is…

Jul 15, 2026 · 9 min Read →

Does running burn more fat than walking?

When it comes to fat loss, running and walking are often compared as if they were rivals. Actually, they are not. They are tools with different characteristics…

Jul 15, 2026 · 6 min Read →

Does the order of the exercises matter?

When a person starts training, they usually worry about choosing the best exercises, the ideal repetitions or the right weight. However, there is an aspect…

Jul 15, 2026 · 9 min Read →

Does training with music improve performance?

If you've ever walked into a gym, you've probably seen that most people train with headphones. Some don't start a single series without playing their favorite…

Jul 15, 2026 · 12 min Read →

Does walking lose weight? (Ultimate Guide: Physiology, Advanced Strategy and Real Application)

Walking is one of the most powerful tools for losing body fat, but also one of the most misunderstood. Most people underestimate it because it does not “feel…

Jul 15, 2026 · 5 min Read →

Eating little is not the solution to lose weight

One of the most widespread ideas when someone wants to lose weight is that the solution is simply to eat as little as possible. Many people drastically reduce…

Jul 15, 2026 · 7 min Read →

How long does a good routine last?

The length of a training routine is one of the most misunderstood topics in the gym. Many people assume that “more time = better training,” when in reality the…

Jul 15, 2026 · 7 min Read →

How long does it take for muscle to grow?

Muscle growth is one of the most sought after processes in training, but also one of the most misunderstood. It is often thought that muscle grows quickly if…

Jul 15, 2026 · 6 min Read →

How many calories do you need per day?

Calories are the basic unit of energy that the body uses to function. Everything you do—breathing, thinking, walking, training, or even sleeping—uses energy…

Jul 15, 2026 · 6 min Read →

How many days a week should you train?

Training frequency is one of the most important—and at the same time most misunderstood—variables in physical development. Many people wonder if it is better…

Jul 15, 2026 · 6 min Read →

How much protein do you really need?

Protein is one of the most important nutrients when the goal is to improve body composition, gain muscle, or lose fat without losing muscle mass. However, it…

Jul 15, 2026 · 4 min Read →

How much rest do you need between sets?

Rest between sets is a key variable in strength and hypertrophy training that is often underestimated. Most people adjust the weight or repetitions, but leave…

Jul 15, 2026 · 7 min Read →

How much water should you drink?

The amount of water you should drink per day is one of the most common questions in nutrition, but also one of the most misinterpreted. The “2 liters a day”…

Jul 15, 2026 · 7 min Read →

How to accelerate fat loss without crazy things

When someone decides to lose weight, it is very common to want to get results as soon as possible. Just search for a few minutes on the internet to find…

Jul 15, 2026 · 8 min Read →

How to speed up metabolism

One of the most repeated phrases when someone is trying to lose fat is: "I have a slow metabolism." Many people believe that their difficulty in losing weight…

Jul 15, 2026 · 7 min Read →

Is it bad to have carbohydrates for dinner?

For years an idea has been repeated that seems to have become a norm for many people: "if you want to lose weight, don't eat carbohydrates at night." As a…

Jul 15, 2026 · 10 min Read →

Is it bad to train every day?

Many people believe that the more they train, the better results they will get. This idea seems logical: if training three days a week works, doing it every…

Jul 15, 2026 · 10 min Read →

Is it good to train with laces?

Anyone who has started training or has done a particularly intense session knows perfectly well the feeling of waking up the next day with muscle soreness…

Jul 15, 2026 · 10 min Read →

Is it necessary to reach failure?

If you've been training for a while, you've probably heard phrases like "if you don't reach failure, you won't grow," "the last rep is the only one that…

Jul 15, 2026 · 11 min Read →

Light dinners to lose fat quickly

When a person decides to lose fat, one of the first meals they usually try to change is dinner. It is common to think that eating little at night or even…

Jul 15, 2026 · 7 min Read →

Should you change your routine every few weeks?

The idea of ​​changing your training routine very frequently is one of the most widespread beliefs in the gym, but also one of the least understood. It is…

Jul 15, 2026 · 7 min Read →

Train to failure yes or no?

Training to muscle failure is one of the most discussed variables within strength and hypertrophy training. There are those who consider it essential to…

Jul 15, 2026 · 6 min Read →

Volume or definition first?

One of the most frequent doubts among those who begin to train is deciding whether they should begin a volume stage or a definition stage. It is a completely…

Jul 15, 2026 · 9 min Read →

Why use adjustable dumbbells in your workouts?

If you've ever thought about setting up a home gym, you've probably encountered a very common problem: dumbbells take up a lot of space, they can be expensive…

Jul 15, 2026 · 8 min Read →

Why use an abdominal roller (ab wheel)?

When talking about training the abdomen, most people think of classic crunches, planks or leg raises. However, there is a small, inexpensive and surprisingly…

Jul 15, 2026 · 8 min Read →

Why use resistance bands in your training?

When talking about strength training, most people immediately think of barbells, dumbbells, or gym machines. However, there is a much cheaper, lighter and more…

Jul 15, 2026 · 9 min Read →