5 reasons to strength train – What does the research show?

By Jakob Hansen, Bachelor of Sports Science, AU

For many years, strength training was primarily associated with bodybuilders and gyms, but recent decades of research have changed that picture significantly. Strength training is now recognized as one of the most effective forms of physical activity for improving both physical and mental health , preventing disease, and enhancing quality of life – regardless of age, gender, or training experience.

In this blog post, you will get an evidence-based overview of why you should strength train regularly , and how you can easily do it at home - without the need for a gym.

1. Muscle Strength: The Key to Functional Health Throughout Life

From the age of 30, our muscle mass and strength gradually begin to decline if we do not actively maintain it. This process – called sarcopenia – is one of the main causes of functional loss and reduced quality of life later in life.

Strength training is the most effective way to build and maintain muscle mass and strength . It not only increases your physical performance, but also improves your ability to perform everyday tasks – from carrying groceries to getting up from a chair with ease.

2. Increased metabolism – even at rest

Muscle tissue is metabolically active. This means that the more muscle mass you have, the more energy you burn – even when you are resting . Strength training increases your basal metabolic rate and helps you regulate your body weight and fat percentage in a healthy and sustainable way.

Even short workouts a few times a week can make a big difference – especially when combined with a protein-rich diet and enough sleep.

3. Mental health and psychological well-being

Strength training also has well-documented effects on mental health . Studies show that regular strength training can reduce symptoms of mild to moderate depression and anxiety , improve sleep quality, and increase overall life satisfaction.

This is due, among other things, to an increased production of neurotransmitters such as serotonin and endorphins , which are the body's own "happiness hormones." In addition, many people experience a greater sense of control and energy in their everyday lives when they strength train.

4. Disease prevention – well-documented health effects

According to both the WHO, the Danish Health Authority and the American College of Sports Medicine, strength training plays a key role in the prevention of a wide range of chronic lifestyle diseases :

Type 2 diabetes : Strength training increases the body's insulin sensitivity and helps keep blood sugar levels stable.
Cardiovascular disease : Lowers blood pressure, improves cholesterol levels and reduces the risk of atherosclerosis and blood clots.
Obesity and visceral fat : Helps reduce the harmful fat around the organs, which is associated with increased disease risk.
Osteoporosis : The stress of strength training stimulates bone formation and reduces bone loss – especially important for women after menopause.
Mental illness : Research shows that strength training has measurable effects on mood, stress levels and cognitive function – and can reduce the risk of depression.

These effects are achieved even with two weekly training sessions of moderate intensity .

5. Effective home training with JAAFIT PRO – everything you need, all in one place

You don't need a gym or big machines to get all these benefits. With JAAFIT PRO , we've developed a complete home workout kit that makes it possible to workout anytime, anywhere - without compromising on quality or results.

Together with free access to our online training universe JAAFIT+, you get everything you need to get started with targeted strength training at home - without lacking guidance or variety.

How to get started – step by step

Unpack your JAAFIT PRO set and select suitable elastic bands and attach them with the included carabiners.
Choose a goal – e.g. “I want to strength train 2-3 times a week”.
Log in to JAAFIT+ and start a program such as “Effective Wellness” or “Fundamental Strength”.
Follow the instructions from our trainers in the training videos.
Adjust the load continuously to ensure you get stronger over time by combining elastic bands and track your progress.

Conclusion: A simple choice with a big impact

Strength training is not just for those who want to look stronger – it is a scientifically proven investment in your health, energy levels and well-being . With JAAFIT PRO you get a complete package solution that makes it easy and straightforward to get started – regardless of your level.