ZZOGRI

│ Description │
"ZZOGRI" is the world's first patented product designed to release knee pain during farm works in squatting position. It consists of the smooth knee impact protective triangular cushion with integral chair cushion. The innovative "ZZOGRI" is not only the epoch-making product to protect the knee joint for those who work in squatting position, but also the most desirable products to release waist pain for weekend farmers, field workers, and squatting workers at welding industry.

│ Why "ZZOGRI" is necessary │
Still the most of works in farming and fishing villages depend on manual job that requires repeated use of specific areas of the body long time in squatted position, which causes knee cartilage and joint degeneration. According to the statistics of the Health Insurance Review Agency, there’s recent surge of the knee arthroplasty surgery for degenerative arthritis in women of more than 40 years old, and the risk of knee osteoarthritis increases 1.4 times for both men and women even by sitting squatted position only about 1 hour, twice for men and 2.4 times for women at about two hours.

A research from the Korea College of Physical Education revealed that the people who works in squatted posture over 30 minutes a day for a long times have 1.5times higher risk of knee osteoarthritis compared to general population.

│ Effect of ZZOGRI│

• A. Waist belt Adjustment Bend
• B. Integral Bend
• C. Rotation Prevention Bend
• D. Specification
• E. Product Logo
• F. Cushion Chair
• G. Knees adjustable Bend
• H. Triangular Cushion

A provide Velcro for tying around the waist belt
F (cushion chair) and H (triangular cushion) are connected to B (Integral bend), and together with C (anti-rotation adjustable band), they protect the separation of the triangle pivoting cushion and also acts automatically return to its original position during the duck walk. They are designed to avoid falling behind, and provide the convenience and reliability of posture, ease of transformation and job operation. Using lightweight material (about 650g), the product is easy to carry and comfortable.

│ Product Type │
Depending on the body figure, "ZZOGRI" can be divided as follow.

>> "ZZOGRI" A-type

• The weight doesn't make difference
• Height of under 163cm (+ /-2cm)
• Cushion: Height 120mm, Diameter 240mm
• Knee Cushion: Height 85mm, Width 145mm, Length 240mm

>> "ZZOGRI" B-type

• The weight doesn't make difference
• Height of above 163cm (+ /-2cm)
• Cushion: Height 120mm, Diameter 240mm
• Knee Cushion: Height 85mm, Width 145mm, Length 240mm

│ Effective in preventing knee pain │
More than 42 men and women, aged over 40 experienced in farm work responded that "ZZOGRI" is effective in preventing knee pain. Whether the respondents are suffering knee joint and lower body pain No pain in the knee joint and lower body, Pain in the knee joint and lower body

Working hours of the 1st respondent
More than 4 hours
3 hours or more - less than four hours
2 hours or more - less than 3 hours
1 hour or more - less than 2 hours
Less than 1 hour
Hip cushion / "ZZOGRI"
Effective in preventing knee pain
Source: Chosun University, Knowledge Management Institute, published 20/01/2014

Comparison of workload before and after wearing "ZZOGRI"
Evaluation items, Squatting, Squatting (triangular cushion used) Oxygen Consumption, Heart Rate, Heart Rate Increase When wearing the triangular cushion, oxygen consumption, heart rate and the increasing rate of heart rate were reduced compared to when not wearing the triangular cushion

The increasing rate of heart rate reduced
Muscular fatigue is reduced in Quadriceps, spinal, and standing-up muscle Reduction of labor burden is expected through the decreased range of motion joint. [Source: Workload comparison when wearing or not wearing the triangular cushions,/ Rural Development Agency]

When bending your knees more than 130 degrees, seven times the weight of the load is carried on to the knee joint, which this time Patent Registered

"ZZOGRI" is the filial piety