Harachair
Today, people spend over 6~8 hours a day on chair. Inevitably, there are problems associated with the life pattern such as poor blood circulation around pelvis, hemorrhoids, prostate disorder, and corpulence of lower body. In case of severe hemorrhoids patients, they have problem sitting in traditional chairs. Because of this change in life pattern, people sitting on chairs are potential hemorrhoids patients.

Harachair is resolving and easing these problems by providing a way to maintain proper posture and circulation. Hara chair has changed the traditional single base and a back support structure. Weight of the upper body is spread evenly on two bases and the bases can be customized to fit and support pelvis of individuals. Also the gap between the bases allows better air circulation and helps blood circulation. These can prevent problems caused by sitting in a chair for long period.

Harachair is designed with the concept of fitting the chair into human body rather than demanding adjustment of human body to the chair. A transition from static to dynamic design in the development of chairs is necessary and Haratech is endeavoring to give people with the best chairs.

 

Concept
When growing up, many people are told to have proper posture. People emphasize the importance of keeping the right posture but fail to think about the reason for not doing so. One of the main reasons is that traditional chair design is not adequate for everyone. Angle of pelvis is different from men to women (65' for men and 85' for women). Also the size of each individual varies. Therefore, adjusting the chair to fit each individual is necessary.

The average human nowadays spends most of time on a chair. According to a study, Korean high-school students spend 10~15 hours on chairs and office workers 6~7 hours.

Spending long period on chair could result in the followings:

• pelvic misalignment causing spinal problem and corpulence of lower body
• twisted spines causing migraine headache
• disorder around anal area

These problems could occur due to improper distribution of upper body weight. . When you sit on a chair, 50% of your body weight is focused on an 8% of a touching surface area around hip bone. That is, your weight is focused on two points (one on each side of pelvis). Therefore, pelvis is an important bone which supports the body weight when you sit and it is important to support the pelvis properly.

To resolve these issues Haratech has developed Harachair with the following approaches.

Hara chair

1. Defines a new relationship between a human body and a chair through a dynamic human model focusing on pelvis shape
2. Considers human body according to measured data
3. Pays attention to the distribution of bodily pressure on the chair and body's sensing it
4. Adapts conditions such that gives least stress to body based on studies of body posture and muscle activity
5. Utilizes the body movement to design the shape of chair

The main innovation of Harahair is redefining the idea for a base. With the above considerations, the base has been divided into two pieces and each part can be adjusted to give the suitable support for pelvis.

 

Functions

1. Prevention of corpulence of a lower body
Dynamics of sitting can be explained through support system and skeletal structure. The weight of an upper body is focused on pelvis and the points of pelvis contacting the base of a chair. When the base supports a pelvis improperly, it causes the pelvis to spread and results in the accumulation of fat around the bone causing corpulence of lower body. Therefore, adequate support for pelvis can help preventing the corpulence. However, the angle of pelvis is different for men and women.

For men, it is 65' and for women it is 85'. Because of this individual difference in the size and angle of pelvis, traditional chair designs are not suitable for adequate support. Harachair is devised in the way to adjust to the pelvis and people can sit properly without effort. By maintaining the shape of pelvis, Harachair can prevent corpulence of lower body.

2. Maintaining the balance between pelvis and spine
When pelvis is misaligned, spine tries to compensate for it by twisting into an 'S' shape. As a result spine is twisted and that in turn may cause a migraine headache. Harachair's has two separate bases can be adjusted to support pelvis in balance thereby helping the balance of spine and preventing the headache.

3. Circulation around anal area
The separated bases do not block the hip as much as traditional chairs and thus allows the blood and air circulation around the anal area. This serves to prevent the anal disorder such as hemorrhoids and helps hemorrhoids patients by relieving the pain by preventing the pressure on the anal area