Breathing consists of moving the oxygen from the environment into the lungs, circulate it throughout the body, and removing carbon dioxide out. This process is called gas exchange. Inspiration results from enlarging the thoracic cavity and lowering the intrathoracic pressure to intake air. Exhalation occurs when relaxing the inspiratory muscles and the chest springs back forcing the air out of your lungs.

During normal daily activities, you breathe at ease and the respiratory muscles do not experience hard work, hence blood flow to the peripheral muscles is normal. To give you a better idea, at rest a person breathes around 12 liters of air per minute, but during heavy exercise this can rise to over 150 liters per minute, and in elite athletes, this can go as high as 220 liters.

When performing an exercise or an intense activity, the work of breathing increases making the respiratory muscles work harder. This causes fatigue and can reduce the blood flow, which limits physical performance.

In the breathing process, the inspiratory muscles undertake most of the work; nevertheless, even though exhalation is mainly a passive process. The expiratory muscles are also demanded specially during heavy exercise. This is so since at high exercise intensity, the work of breathing increases and larger volumes of gas must be moved more quickly, therefore, greater pressure generation is required.

By training the inspiratory and expiratory muscles we increase their strength and endurance, hence lessening their workload at intense exercise, allowing for proper blood flow to all active muscles and maximizing both respiratory and physical performance.

Breathlessness is the feeling of being out of breath. This is normal in healthy people who exert themselves physically, but can be a sign of illness if it occurs at a much lower level of exertion than expected. When the muscles are not in good shape, they cannot use oxygen efficiently and create less CO2. This inefficiency causes the heart and lungs to work poorly and experience breathlessness.

By training your breathing you can strengthen the inspiratory muscles and use oxygen more efficiently to counteract the symptoms of breathlessness.

While any physical exercise enhances or maintains physical fitness and overall health, it is often practiced to strengthen muscles, the cardiovascular system, and to hone athletic skills. Nevertheless, this does not provide a training stimulus to the inspiratory and expiratory muscles.

Various reports suggest that even well fit athletes can benefit from the 'super-enhancement' of inspiratory and expiratory muscles performance, which comes from training with a breathing trainer. Eolos provides a unique stimulus to the breathing muscles. This stimulus cannot be produced without imposing an external load to inhalation. The functional enhancement it stimulates provides improved capacity, endurance and control.

Yes there is. Women have smaller lung volumes, smaller diameter airways and lower resting maximal expiratory flow rates relative to men.

This is probably the cause for higher work of breathing in women. During intense exercise women usually use a greater fraction of their ventilatory reserve and have a higher metabolic cost of breathing compared to men.

Oxygen deprivation is usually a result from being at high altitude or just climbing up a flight of stairs.

There are two major kinds of environmental stresses at high altitude: climate and low air pressure. The percentage of oxygen in the air at two miles (3.2 km.) is the same as at sea level (21%). However, at a higher altitude, the air pressure is 30% lower because the atmosphere is less dense.

At high altitudes, the lower air pressure makes it more difficult for oxygen to enter our vascular systems. The result is hypoxia or oxygen deprivation. Hypoxia usually begins with the inability to do normal physical activities without fatigue.

When this happens, there is an increase in breathing and heart rate to as much as double even while resting. Pulse rate and blood pressure go up sharply as our hearts pump harder to get more oxygen to the cells. Under these conditions, just to put one foot in front of the other requires maximal levels of breathing. Physical performance is harder because the respiratory fatigue reduces the blood flow from the legs and arms to meet its own requirement for oxygen.

This fatigue of the inspiratory muscles can be counteracted by training your breathing with a breathe trainer as Eolos. This will prepare your breathing for the demands of the increased respiratory work at high altitude and minimize fatigue and breathlessness. In essence, you will be able to improve body performance and enjoy your activity at its fullest being this trekking, skiing or climbing.

Used correctly Eolos can be used by almost anyone and has no harmful side effects. Very occasionally, however, there may be instances in which the creation of a large negative pressure in the chest may exacerbate an existing condition. As such, if you are on medication, suffer from a medical condition, or are uncertain as to whether Eolos is suitable for you, then you should consult your doctor PRIOR to commencing training. Eolos is intended to complement existing treatments, not replace them.

Eolos is not a toy. Minors under 16 years old should only utilize Eolos under adult supervision.

A good breathing technique is crucial to any singer, wind instrument player, actor and dancer. If we make our breathing muscles stronger, we improve the ability to:

- Control breathing.

- Enhance respiratory muscles endurance.

- Sustain forceful breathing without becoming fatigued.

- Increase vocal range by generating better tension in the vocal folds.

- Obtain a positive effect on the larynx as the strength of expiration from the lungs also contributes to loudness, and is necessary for the vocal folds to produce speech.

- Improve sound quality by centering the air better through the music instrument.

In essence, by training your breathing using an external resistance device as Eolos, the inspiratory and expiratory muscles get powered up and maximize their resistance when performing an intense exercise; like this maximizing your activity.

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Eolos is easy and confortable to use. Just read the easy instructions that come with your order or download them from our website. See Instructions.

After reading the instructions, if you remain with unanswered questions, feel free to email us at eolosweb@eolosweb.com

In most cases, anyone with breathing problems will benefit from using Eolos. ASMATHICS or anyone with respiratory affections, should always train at the Beginning Level and perform the exercises with low inhaling/exhaling strength. If you suffer frequent breathing exacerbations, consult your doctor BEFORE starting any breathing training.

In our website you can find compiled medical abstracts and points of interest supporting resistance breathing training and PEP therapy (positive expiratory pressure). Applications in chronic obstructive pulmonary diseas (COPD), chronic congestive heart failure, neuromuscular diseas, quadriplegia, cystic fibrosis, postoperative complications, dyspnea, and more are discussed.

Using a breathe trainer as Eolos can help reduce the urge to smoke. The urge usually lasts a few minutes and it will go away whether you smoke or not. When you use Eolos, the following occurs:

- A reduction on the nicotine craving.

- A relaxation via deep breathing.

- Stress reduction.

- More lung power.